This page is updated frequently with new Pressure Sensor-related patent applications.
| Pressure sensor with a membrane applied on the pressure chamber side and use of such a pressure sensor (as amended)|
A pressure sensor for measuring pressures in combustion chambers of internal combustion engines includes a sensor housing with a longitudinal axis and an interior space, a measuring element in the interior space, and a rotation-symmetrically designed membrane with a peripheral edge section connected with an end of the sensor housing at the pressure chamber side to seal off the interior space of the sensor housing on the pressure chamber side. The membrane has a flexible annular membrane segment and a central plunger that interacts with the measuring element and the flexible annular membrane segment.
Kistler Holding Ag
| Opportunistic calibration of a barometer in a mobile device|
Disclosed are systems, methods and techniques for calibrating a barometric pressure sensor of a mobile device. In one embodiment, a barometric pressure sensor of a mobile device may be calibrated by determining that the mobile device has returned to a frequently visited location at which an altitude is known.
| Pressure sensor having a front seal|
This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; a screen joined to an adaptor and coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress..
Kulite Semiconductor Products, Inc.
| Optical fiber pressure sensor and pressure measuring method using the same|
Disclosed is an optical fiber pressure sensor including: a polarization beam splitter that splits input light from a broadband light source into two beams; a polarization controller through which vertically and horizontally polarized light coming out of the polarization beam splitter pass; a pressure chamber in which the polarization beam splitter and the polarization controller may be placed; and an optical spectrum analyzer into which vertically and horizontally polarized light passing through the polarization controller and getting out of the polarization beam splitter is introduced, wherein the pressure chamber includes a polarization-maintaining fiber and an optical fiber bragg grating.. .
Pukyong National University Industry-university Cooperation Foundation
| Self-heated pressure sensor assemblies|
The present invention provides a self-heated pressure sensor assembly and method of utilizing the same. The self-heated pressure sensor assembly regulates and maintains the temperature of the pressure sensor, regardless of the external temperature environment, without an external heater as in prior art embodiments.
Kulite Semiconductor Products, Inc.
| Pressure sensing device with cavity and related methods|
A pressure sensing device may include a body configured to distribute a load applied between first and second parts positioned one against the other, and a pressure sensor carried by the body. The pressure sensor may include a support body, and an ic die mounted with the support body and defining a cavity.
| Combustion staging system|
A combustion staging system for fuel injectors of a multi-stage combustor of a gas turbine engine has pilot and mains fuel manifolds distributing fuel to the injectors. A splitting unit splits a fuel flow and sends portions of the flow to pilot and mains fuel manifolds to perform staging control of the combustor.
Rolls-royce Controls And Data Services Limited
| Gas outlet monitoring system|
A gas outlet monitoring system for a boiler system includes a gas probe(s) with a plurality of gas sensing locations wherein each location measures a plurality of parameters of the gas flow, such a oxygen concentration and temperature. The multi-sensor probe includes a tubular lance and a plurality of sensor pods spaced along the lance.
Alstom Technology Ltd
| Controlling a hydraulic pressure of a fluid transmission|
A control device for controlling a hydraulic pressure of a fluid transmission includes a pressure sensor for detecting actual pressure values of the hydraulic pressure, an electronic control unit for generating a control signal as a function of the actual pressure values detected by the pressure sensor and a reference pressure signal delivered to the control unit, a power switch controlled by the control signal and a solenoid valve actuated by the power switch for generating the hydraulic pressure. The control device is configured as a compact electromagnetic unit.
Conti Temic Microelectronic Gmbh
| Control device for internal combustion engine|
A control device for an internal combustion engine is provided that can detect the adherence of deposits to a cylinder pressure sensor without subjecting the internal combustion engine to an impact or the like. A control device for an internal combustion engine equipped with a cylinder pressure sensor detects changes in the sensitivity of the cylinder pressure sensor.
Toyota Jidosha Kabushiki Kaisha
Control device for internal combustion engine
It is determined whether the execution conditions for the injection quantity variation correction are met, based on whether all of following conditions are satisfied: the engine operation is the stationary operation, the injection quantity of a fuel injection valve falls within the predetermined range, and the fuel pressure falls within the predetermined range. When the execution conditions are met, the fuel pressure decrease caused by the fuel injection of the fuel injection valve for each cylinder is calculated based on the output of a fuel pressure sensor, and the injection quantity variation correction to correct the injection quantity variation of the fuel injection valve for each cylinder is performed based on the fuel pressure decrease caused by the fuel injection of each cylinder.
Oil control module
An oil control module for a gas turbine engine is provided comprising a housing on which numerous components of a lubricating system are mounted. The components may include a variable oil reduction valve/shuttle valve, a main oil pressure sensor, a main oil temperature sensor, a main oil filter delta pressure sensor, an oil debris monitor, a lube filter, an active oil damper valve, a cool oil orifice, a knock down orifice and a lube trim orifice.
United Technologies Corporation
Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation
A sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation, such as a subterranean formation containing a hydrocarbon based fluid. The sensor arrangement may be used to measure one or more physical parameters, such as temperature and/or pressure, at a multiplicity of locations in the subterranean reservoir.
Weatherford Canada Partnership
Air flow pressure compensator system for clothes dryers
An air flow pressure compensator system maintains substantially constants air flow within a clothes dryer system and adjusts the speed of one or more exhaust fans by monitoring one or more sensors/transmitters positioned in one or more exhaust ducts and/or one or more incoming air ducts. The system includes a compensator controller; a variable frequency drive electrically coupled to the compensator controller; and an anemometer and/or a differential pressure sensor/transmitter electrically coupled to the compensator controller that allow for real-time monitoring and system adjusting, which improve clothing drying time and dryer efficiency..
Fuel tank pressure sensor rationality for a hybrid vehicle during refueling
Methods and systems are provided for performing fuel tank pressure sensor rationality for a hybrid electric vehicle during refueling. In one example, a method may include indicating degradation of the fuel tank pressure sensor based on the pressure detected in the canister vent line when the canister vent line is restricted..
Ford Global Technologies, Llc
Pressure-sensing compression bandage
A pressure-sensing compression bandage having a plurality of pressure sensors provided to indicate the pressures applied by and/or the pressure gradient created by, the applied bandage at various locations along its length when the bandage is applied to a limb or other extremity.. .
The invention relates to a dental splint, comprising a base unit, in particular having dental splint plates irreversibly connected to each other, at least power supply unit, at least one signal generator, and at least one pressure sensor, which is operatively connected to the power supply unit and the signal generator, wherein the pressure sensor is designed in such a way that the pressure sensor detects both occlusion forces and protrusion forces acting on the pressure sensor.. .
Method and system for programmed in situ tissue expansion
A tissue expansion system includes driver assembly having a syringe pump and a controller held in a common enclosure. The driver assembly is connected to both an inflatable bladder and an inflation medium source.
Marz Medical, Inc.
Method for providing service based on awareness and an electronic device thereof
Various example embodiments of the disclosure relate to an apparatus and method for providing a service based on context information in an electronic device. In this case, a portable electronic apparatus may include a communication module, an air pressure sensor configured to measure air pressure, a processor electrically coupled to the communication module and the air pressure sensor, and a memory electrically coupled to the processor.
Samsung Electronics Co., Ltd.
Method for interacting with a dynamic tactile interface
A method for registering user interaction with a dynamic tactile interface, which includes a tactile layer defining a tactile surface, a deformable region, and a peripheral region and coupled to a substrate opposite the tactile surface, the deformable region cooperating with the substrate to form a variable volume. The method includes detecting a first contact of an object at a first location on the tactile surface at a sensor; detecting a removal of the object from the first location; at a first time, detecting a first pressure of the variable volume at a pressure sensor; at the sensor, at a second time after the first time, detecting a second contact at a second location; at the second time, detecting a second pressure at the pressure sensor; interpreting the first and second contact, and the pressure difference as a gesture; and executing a command corresponding to the gesture..
Tactus Technology, Inc.
Electronic device and sensing touch force
An electronic device for sensing touch force is provided. The electronic device includes a display screen, a pressure sensor, a processor and a memory.
Touch input device and mobile display device
A touch input device includes a sensor for detecting a plurality of touch positions at which a touch operation has been performed on an operation surface, a pressure sensor for detecting a pressing operation which has been performed on the operation surface at at least one of the touch positions, and a control unit. The control unit (a) identifies a first of the touch positions as a support position which is not used to input information into the input device by way of movement of the support position, (b) identifies at least second and third of the touch positions as input touch positions used to input information into the input device by way of movement of the input touch positions, and (c) causes the input device to carry out an operation identified by the movement of the input touch positions..
Murata Manufacturing Co., Ltd.
Active pen with tip pressure sensor
Active position indicator comprising a movable tip element (10) configured to be displaced from an initial position in a displacement direction by a tip displacement depending on the force acting on a tip (3) arranged on a distal end of the tip element (10); a force sensor for detecting a force acting on the tip (3) comprising an elastic element acting on the tip element (10) against the tip displacement; wherein the elastic element is a leaf spring (15).. .
Advanced Silicon Sa
Active pen with tip pressure sensor
Active position indicator comprising a movable tip element (10) configured to be displaced from an initial position in a displacement direction by a tip displacement depending on the force acting on a tip (3) arranged on a distal end of the tip element (10); a position signal circuit connected with said movable tip element (10) and configured to generate an indicator position signal to be applied on the tip (3); and a force sensor for detecting a force acting on the tip comprising a capacitive element with a capacitance value depending on the tip displacement for generating an electric feedback signal indicating the tip displacement; wherein the capacitive element comprises a capacitor distance depending on the tip displacement and a capacitor surface depending on the tip displacement.. .
Advanced Silicon Sa
Flow meter and flow control device provided therewith
A flow meter includes an inlet side switching valve, an outlet side switching valve on a downstream of the inlet side valve, and a control valve on a downstream of the outlet side valve that are connected with each other by flow passages having internal volumes, a pressure sensor on an upstream side of the control valve, and a larger flow rate measuring section for calculating a flow rate based on a build-down volume of an internal volume of the passage between an outlet of the inlet side valve and an inlet of the control valve, and a smaller flow rate measuring section for calculating a flow rate based on a build-down volume of an inner capacity of the passage between an outlet of the outlet side valve and the inlet of the control valve.. .
A pressure sensor includes a diaphragm, a coupling portion coupled to the diaphragm, and two pressure receiving elements. Each pressure receiving element outputs an output signal that changes according to the temperature and the pressure applied to a pressure receiving surface and has an output characteristic that represents the relationship of the output signal to the pressure and the temperature.
Toyota Jidosha Kabushiki Kaisha
A pressure sensor to measure the pressure of a fluid comprises: a metallic membrane to be in contact with the fluid and on which are stacked an electrical insulator and at least one gauge for measuring the deformation of the membrane, the whole forming a sensitive measuring element a cap comprising: a cover comprising a cavity and holes; conductors located in the holes, the sensitive element exhibiting a face opposite the cap and located in a plane p; wherein the sensor comprises: at least one metallic zone, located in a plane parallel to said plane p, for hermetic sealing of the cap on the sensitive measuring element; continuous metallic tracks comprising parts for picking up contact with the conductors and parts for picking up contact with at least the gauge. A method for manufacturing the pressure sensor is also provided..
L'essor FranÇais Electronique
Discrete pressure sensor and electronic device
The present invention relates to the field of pressure sensor technologies, and discloses a discrete pressure sensor and an electronic device. The pressure sensor includes a pressure sensing chip and a force centralization sensing board component that is bonded onto the pressure sensing chip.
Shenzhen New Degree Technology Co., Ltd.
Method for fabricating a pressure sensor
A method of fabricating a pressure sensor is disclosed. Initially, a first metal is deposited on top of a substrate, and the first metal is patterned accordingly.
Board Of Regents, The University Of Texas System
A level sender for a tank includes a sensor device. The sensor device includes a primary pressure sensor, a reference pressure sensor, and a correction pressure sensor.
Ti Group Automotive Systems, L.l.c.
Electric pump pressure sensorless electronic pressure limiting and flow leveling system
A pressure sensorless electronic pressure limiting and flow leveling system for an electric pump comprising a multi-mode control process for transferring fluid through a filter feeding a source consuming the fluid as the filter becomes clogged. The multi-mode control process comprising a closed loop current control mode, a pressure limiting control mode for controlling the speed of the motor as a function of a pre-calibrated profile correlating measured motor speed and voltage parameters to a predetermined value in the pre-calibrated profile utilized to set the speed of the motor driving the pump for pumping pressurized fluid through a clogging filter; and a flow leveling control mode correlating measured motor current to a predetermined value in a pre-calibrated profile utilized to set the speed of the motor driving the pump for pumping pressurized fluid as a function of clogging of the filter..
Prediction of intake manifold pressure in an engine system
An engine assembly includes an intake manifold and a manifold absolute pressure sensor configured to generate a current measured manifold absolute pressure (mapm) signal for the intake manifold. The assembly includes a throttle valve adjustable to control airflow to the intake manifold and a throttle position sensor configured to generate a current measured throttle position (tpm) signal.
Gm Global Technology Operations Llc
Detection of reversion based on mass air flow sensor readings
An engine system includes a mass air flow sensor and a manifold absolute pressure sensor configured to provide a real-time map signal during an event. The mass air flow sensor is configured to generate a set of mass air flow readings based on an airflow through the mass air flow sensor during the event.
Gm Global Technology Operations Llc
Control internal combustion engine
A control apparatus for an internal combustion engine is configured to: calculate measured data for mfb in synchrony with crank angle based on in-cylinder pressure detected by an in-cylinder pressure sensor; execute sa-ca10 feedback control and ca50 feedback control based on a measured ca10 and a measured ca50 that are calculated based on the measured data; execute engine control based on a degree of correlation between the mfb measured data and the reference data that corresponds thereto; and generate reference data for a combustion period by linear interpolation and linear extrapolation based on a target ca50 and a specified ca10.. .
Toyota Jidosha Kabushiki Kaisha
Icing prevention of a gas turbine engine pressure sensing assembly
A combination of a gas turbine pressure sensing assembly and an engine electronics unit. The pressure sensing assembly includes a pressure manifold having an air inlet and one or more air outlets.
Rolls-royce Controls And Data Services Limited
Mems pressure sensor and forming the same
Provided are a mems pressure sensor and a method for forming the mems pressure sensor. The method includes: preparing a first substrate, where the first substrate includes a first surface and a second surface opposite to the first surface; preparing a second substrate, where the second substrate includes a third surface and a fourth surface opposite to the third surface, the second substrate includes a pressure sensing region; bonding the first surface of the first substrate and the third surface of the second substrate with each other; forming a cavity between the first substrate and the pressure sensing region of the second substrate; removing the second base to form a fifth surface opposite to the third surface of the second substrate; and forming a first conductive plug passing through the second substrate from the side of the fifth surface of the second substrate to the at least one conductive layer..
Memsen Electronics Inc
Mems pressure sensor and forming the same
Provided are a mems pressure sensor and a method for forming the same. The method includes: preparing a first substrate, where the first substrate includes a first surface and a second surface opposite to the first surface; preparing a second substrate, where the second substrate includes a third surface and a fourth surface opposite to the third surface; bonding the first surface of the first substrate and the third surface of the second substrate with each other and forming a cavity between the first substrate and the pressure sensing region of the second substrate; removing the second base to form a fifth surface opposite to the third surface of the second substrate; and forming a first conductive plug passing through the second substrate from the side of the fifth surface of the second substrate to the at least one conductive layer..
Memsen Electronics Inc
Aircraft tipping alarm system and method using fluid pressure measurement on nose landing gear shock strut
There is provided an aircraft tipping alarm system having a nose landing gear (nlg) shock strut containing hydraulic fluid and having an aperture. The system further has an elongated pressure chamber assembly configured to engage to the aperture.
The Boeing Company
Method for operating a braking system and a braking system
A method for operating a brake system of a vehicle which includes a master brake cylinder which can be activated by the driver by a brake pedal, at least one driver-independent pressure source, at least one wheel brake to which a wheel speed sensor is assigned, and a brake activation sensor, wherein it is checked whether a hazardous situation is present, and in the case of a hazardous situation being detected the at least one driver-independent pressure source is activated. A hazardous situation is detected when the change in a measured deceleration over time or the absolute value of a measured deceleration exceeds a predefined hazard threshold value and a brake activation operation is detected.
Continental Teves Ag & Co. Ohg
[disclosure of the invention] a breathing apparatus comprises a face piece for covering the whole face or part of the face provided with a hole at each side portion, a motor fan for supplying the face piece with external air, a pressure sensor for monitoring internal pressure of the face piece, a controller for controlling the operation of the motor fan based on a detection signal from the pressure sensor, a filter for purifying the external air supplied to the face piece, and an inhale valve and an exhale valve, wherein a positive pressure exhale valve is attached to one of the holes at the side portions of the face piece and a positive pressure exhale valve or a voice conductor is attached to the other of the holes at the side portions of the face piece.. .
Balloon catheter ablation system
Provided is a hot balloon catheter ablation system capable of achieving pulmonary vein isolation or ablation of atrial fibrillation in a safe and efficient manner. A highly directional pressure sensor 51 is provided coaxially in an anterior portion of a catheter shaft 1 within a balloon 6.
Japan Electel Inc.
Systems and methods for priming an intraocular pressure sensor chamber
An intraocular pressure monitoring and sensing device for implantation in an eye of a patient may include a substrate having a pressure sensor disposed on a top surface thereof and a pressure sensor cap disposed on the substrate over the pressure sensor. The pressure sensor cap may include a wall structure extending from the top surface of the substrate, the wall structure laterally surrounding the pressure sensor.
A pressure sensor is provided. The pressure sensor has a differential pressure sensor adapted to measure differential pressure between two differential pressure sensor inputs in a first differential pressure range.
Sensor network supporting self-calibration of pressure sensors
A pressure sensor system comprises one or more self-calibrating pressure sensors for self-calibrating sensor parameters based on a membrane deflection or a membrane displacement from an electrostatic force and a single reference pressure from an additional sensor. The additional sensor has a greater accuracy level or range than the self-calibrating sensor.
Infineon Technologies Ag
Method for calibrating at least one sensor, in particular a pressure sensor, having at least one signal-conducting connection to at least one signal converter
In a method for calibrating at least one sensor, in particular a pressure sensor, having at least one signal-conducting connection to at least one signal converter, a sensor characteristic is recorded by the determination of at least one measurand at at least two different temperatures, the extent of the influence of a further value influencing the sensor is determined from the sensor characteristic by means of a functional relation, the extent of the influence of the further influencing value is considered in the calibration and the influence of the further influencing value is balanced in the calibration. As a result, the influence of a further influencing value acting on the sensor is corrected..
Hella Kgaa Hueck & Co.
Mems chip, measuring element and pressure sensor for measuring a pressure
A micro-electro-mechanical system (mems) chip for measuring a pressure in a pressure space includes a mems substrate having a measuring region, a contact-making region connected to the measuring region via lines and having contacts, and a bushing region disposed between the measuring region and the contact-making region. The mems substrate defines a cavity formed as a blind hole that defines an opening through one side of the mems substrate, the bottom of the blind hole forming a membrane.
Kistler Holding Ag
A pressure transducer comprising a resistive pressure sensor element with a measurement membrane which has at least four resistor elements. The resistor elements are arranged in a full-bridge circuit, having a longitudinal direction in which the full bridge circuit is to be supplied.
Endress + Hauser Gmbh + Co. Kg
Pressure sensor diaphragm
A pressure sensor includes a pre-formed diaphragm located at the distal end of a pressure sensor. The diaphragm has a convex surface on a first side of the diaphragm which is exposed to a fluid to be measured.
Actuator predictive system
An actuator system includes a piston-cylinder arrangement including a piston that is movable with respect to a cylinder. A first flow path is in fluid communication with the piston-cylinder arrangement and a second flow path is in fluid communication with the piston-cylinder arrangement.
Pump system and pump abnormality detection method
A pump system is equipped with a body, a displacement body, a bellows member, an indirect medium, and a diaphragm. The pump system is further equipped with a pressure sensor configured to detect a pressure of the indirect medium in a charge chamber, the charge chamber being formed to include an interior space of the bellows member in the interior of the body.
A vehicle includes a port injection valve injecting fuel supplied from a feed pump to engine, and a low-pressure fuel pressure sensor detecting fuel pressure p generated by the feed pump. When a fault diagnosis of the low-pressure fuel pressure sensor is to be conducted, an engine ecu increases fuel pressure p to a diagnosis pressure p2 higher than a normal control pressure p1.
Toyota Jidosha Kabushiki Kaisha
System and methods for diagnosing soot accumulation on an exhaust gas recirculation valve
Methods and systems are provided for determining changes in a flow area of an exhaust gas recirculation (egr) valve for egr flow estimates due to soot accumulation on the egr valve. In one example, a method includes indicating soot accumulation on the egr valve based on a difference in egr flow estimated with an intake oxygen sensor and with a pressure sensor coupled across the egr valve.
Ford Global Technologies, Inc.
System and methods for adjusting an exhaust gas recirculation valve based on multiple sensor outputs
Methods and systems are provided for adjusting an exhaust gas recirculation (egr) valve based on a final egr estimate. In one example, a method may include adjusting the egr valve based on a final egr flow estimate, the final egr flow estimate based on a first egr flow estimated with a differential pressure sensor across the egr valve, a second egr flow estimated with an intake oxygen sensor, and accuracy values of each of the first and second egr flows.
Ford Global Technologies, Llc
Tunnel boring device, and control method therefor
A boring machine comprises a forward section, a rear section, a parallel link mechanism, stroke sensors, pressure sensors, and a controller. The parallel link mechanism includes eight thrust jacks that change the position and attitude of the forward section with respect to the rear section.
Tire-pressure sensor unit and a tire-pressure information device
A tire-pressure information device should receive wheel information within a demanded detection time. A transmission controller of a sensor unit transmits wheel information as a radio signal at the timing when the turning position θ of the sensor unit detected by an acceleration sensor arrives at the transmission setting location α after 1 minute has passed since the last transmission of the wheel information.
Toyota Jidosha Kabushiki Kaisha
Fixing device for fixing a measuring pressure sensor, in particular a tyre pressure sensor
The invention is characterised in that the tension belt contains at a first end an eyelet for threading a second end opposite the first end, and starting from the second end and away from the first end on the surface of the tension belt, two textile fields are positioned behind one another in the longitudinal direction of the tension belt, one of which is fitted with barbed hooks and the other with loops to form together a velcro fastener after folding the textile fields together on top of each other.. .
Tire-pressure sensor unit, a tire-pressure notification device, and vehicle
It should be enabled to transmit tire-pressure information also on a spare wheel to a tire-pressure notification device, while suppressing battery consumption. A transmission controller of a sensor unit makes a transmitter periodically transmit wheel information, when an acceleration gx detected by an acceleration sensor is larger than a running-judgment threshold value 5g.
Toyota Jidosha Kabushiki Kaisha
Robotic hand, making the same, and robot having the same
A robotic hand includes an interior casing, a cladding layer wrapped around the interior casing, a plurality of pressure sensors, and a controller. The pressure sensors are located at different locations on an exterior surface of the interior casing, and are wrapped by the cladding layer.
Hon Hai Precision Industry Co., Ltd.
Automatic detection and adjustment of a pressure pod diaphragm
A system for controlling the position of a diaphragm in a diaphragm-containing pressure pod, is provided. The system can include a peristaltic pump, a pressure pod having a flow-through fluid side and a gas side that are separated by a diaphragm, and a pressure sensor operatively connected to the gas side.
Fresenius Medical Care Holdings, Inc.
System and prevention of pressure ulcers
A method and system for monitoring and preventing a patient from developing pressure ulcers, comprising (1) a sensing unit, which includes a pressure sensor, attachable to a body part of a patient and having a unique identifier, for detecting pressure exerted by a supporting surface and outputting pressure data indicative of pressure as a function of time; and a wireless transceiver for transmitting the pressure data and/or the unique identifier; (2) a controller unit configured for receiving the pressure data and the unique identifier, associating the unique identifier with the body part of the patient, and for transmitting the pressure data and the unique identifier; and (3) a central server device configured for (i) receiving the unique identifier and the pressure data from the controller unit; (ii) determining whether the pressure data exceeds a predetermined value associated with the body part of the patient; and (iii) transmitting to the controller unit a determination that the pressure data exceeded the predetermined value, the controller unit outputting a signal indicative of the determination.. .
Device and measuring blood pressure and for indication of the presence of atrial fibrillation
A device for measuring blood pressure and for indicating the presence of atrial fibrillation, includes an inflatable cuff, a pump, at least one pressure sensor for measuring the pressure inside the cuff, a pressure relief valve for deflating the cuff, and a control unit for controlling the pump and the valve. A calculating unit determines the presence or absence of atrial fibrillation on the basis of pressure variation sensed by the sensor.
Microlife Intellectual Property Gmbh
Medical sensor assembly and mounting assembly therefor
A pressure transducer assembly including a mounting assembly including an electrical connector configured for selectable galvanic engagement with a pressure transducer and a medical sensor assembly including a pressure transducer, the pressure transducer including a flow pathway and a pressure sensor in pressure sensing communication with the flow pathway, the pressure sensor including a plurality of electrical contacts configured for direct galvanic engagement with the electrical connector only when the medical sensor assembly is mounted in operative engagement with the mounting assembly.. .
Elcam Medical Agricultural Cooperative Association Ltd.
Transcatheter aortic valve implantation pressure wires and uses thereof
Described herein is a guide wire that includes one, two or multiple pressure transducers for use in tavi. The guide wire may include an aortic pressure sensor spaced from a left ventricular pressure sensor with sufficient length to allow the aortic pressure sensor to be located in the aorta while the ventricular pressure sensor is simultaneously located in the left ventricle.
Cedars-sinai Medical Center
System and irrigation management
An irrigation management system includes a water pump, at least one mobile irrigation system, and a pump controller. The mobile irrigation system includes a water pressure sensor for generating water pressure data indicating water pressure in the irrigation system.
Systems and methods for control of infrasound pressures
A system for infrasonic pressure fluctuation (infrasound) control of a structure defining an interior. The system includes a reversible compressor including a housing defining an interior opening interface open to the interior of the structure and an exterior opening interface open to an exterior of the structure, and including at least one controllable element to generate positive pressure flows and negative pressure flows between the interior opening interface and the exterior opening interface.
Kevin Allan Dooley Inc.
Pointing device for a portable computer
A pointing device is disclosed. The pointing device includes an operation cap having an operation surface fitted into a stud.
Lenovo (singapore) Pte. Ltd.
System for mounting an annular component on a shaft
A system for mounting an annular component on a shaft, comprising (a) a hydraulic nut having an annular coaxial cavity and a ring-like piston, displaceable within the cavity; (b) a displacement sensor for providing a displacement signal indicating the axial displacement of the piston within the cavity; (c) a wireless displacement transmitter for transmitting the displacement signal; (d) a pressure sensor for providing a pressure signal indicating a pressure within the cavity; (e) a wireless pressure transmitter for transmitting the pressure signal; (f) a pump arranged to pump fluid into the cavity; and (g) a remote control device having a communications device arranged to receive transmitted pressure and displacement signals, wherein the remote control device is arranged to output control information for controlling the pump.. .
System and a wind speed meter
According to an embodiment, a method of measuring wind speed includes measuring atmospheric pressure at a first pressure sensor arranged inside a case and shielded from wind, measuring air pressure at a second pressure sensor arranged at an opening in the case, and determining wind speed at the opening in the case based on measuring the atmospheric pressure and the air pressure.. .
Infineon Technologies Ag
Air tightness detection device for aluminum alloy wheel hub and detecting air tightness of wheel hub
The present invention provides an air tightness detection device for an aluminum alloy wheel hub, which is characterized by precision air pressure sensors, a lower clamp, a cone cylinder pressure plate, air pipes, a pressure plate, guide posts, an air inlet pipe, and a compressed gas control and detection system. A technical solution of the present invention has the following advantages that the cone cylinder pressure plate of the detection device reduces the space of an inner cavity of the wheel hub to further reduce inflating volume, thereby increasing detection efficiency; the characteristics of readily availability for preparation, no pollution and low cost are achieved by taking compressed air as a leakage indication gas..
Citic Dicastal Co., Ltd
Pressure sensing apparatus
A pressure sensing apparatus is provided for sensing gas pressure at a pressure tapping. The apparatus has a pressure sensor which provides a pressure measurement signal in response to the pressure of a gas admitted into the sensor at a gas inlet port thereof.
Low profile pressure sensor
A pressure sensor may comprise a nylon socket, an upper pcb, a lower pcb, and a hex housing. The nylon socket may include a plurality of co-molded electrical pin conductors extending axially from electrical connectors defined within a top end of the nylon socket for receiving an external electrical cable to a bottom end of the nylon socket.
Process for manufacturing fabric pressure sensor and tool for manufacturing fabric pressure sensor
A process for manufacturing a fabric pressure sensor comprises cutting a sensing fabric to a pre-determined size, connecting a flexible electric wire with a wire of the sensing fabric by sewing, fixing the sensing fabric by means of a clamping positioner at a pre-determined tension, bonding a lower conversion layer with the sensing fabric by means of a lower conversion layer positioning box, bonding an adjustable column with the sensing fabric by means of an upper conversion layer positioning box, and bonding the upper conversion layer with the adjustable column by means of the upper conversion layer positioning box. A tool for manufacturing the sensor comprises an electrical property measuring device, a wire connecting tool, and a sensor structural component assembling tool.
The Hong Kong Research Institute Of Textiles And Apparel Limited
Choke valve wear monitoring system and method
Embodiments of the invention provide a choke valve that includes a valve body, a stationary disc, a rotating disc, an actuator system, and a wear monitoring system. The valve body defines an inlet and an outlet.
Pentair Flow Services Ag
To keep a discharge pressure or a discharge flow rate of a pumping system that jets a fluid from a nozzle selected from a plurality of nozzles a set value every selected nozzle. A pumping system that jets the fluid from the nozzle selected from the plurality of nozzles is provided with: a piston pump as a positive-displacement pump; a permanent-magnet type synchronous motor as a rotational speed variable drive unit; a turret device as selecting arrangement; a discharge pipe; the nozzle; a controller that controls the rotational speed of the drive unit; a storage that stores control parameters and a target value of the discharge pressure corresponding to each nozzle; and a pressure sensor, wherein the controller controls the rotational speed of the drive unit by feeding back the discharge pressure using the control parameters corresponding to the selected nozzle to match the discharge pressure with the target value..
Sugino Machine Limited
Method for checking the functionality of a differential pressure measuring unit of a motor vehicle exhaust gas recirculation system
The invention relates to a method for checking a functionality of a differential pressure measuring unit (31) in an exhaust gas recirculation system (1) of a motor vehicle, and a corresponding exhaust gas recirculation system (1). In an air intake duct (5), a sensor flap (11) is provided downstream of an air filter (9) and upstream of an opening (37) of an exhaust gas recirculation duct (25).
Robert Bosch Gmbh
System and model based and map based throttle position derivation and monitoring
In one embodiment, an engine system may include an engine control system configured to receive a first pressure signal transmitted from a first pressure sensor disposed downstream from a throttle valve, receive a first temperature signal transmitted from a first temperature sensor disposed downstream from the throttle valve, derive a first pressure representative of the first pressure signal, derive a first temperature representative of the first temperature signal, derive a desired air-fuel mixture flow through the throttle valve, derive a first throttle position using a model, wherein the model is configured to use the desired air-fuel mixture flow, the first pressure, and the first temperature as model input, derive a second throttle position using a map, compare the first and second throttle positions, and apply the first throttle position to control the throttle valve when the first and second throttle positions are within one or more calibrated thresholds.. .
General Electric Company
Optical fiber feedthrough incorporating fiber bragg grating
Methods and systems for effectively sealing a fiber optic line to a pressure gauge device are disclosed. A pressure gauge device has an outer body, a reference volume within the outer body and a pressure sensor having a first side and a second side.
Halliburton Energy Services, Inc.
Indoor and outdoor water filtering apparatus
An indoor/outdoor water filtering apparatus having a pump electrically connected to a power device supplied by an external power source or a rechargeable battery with a switch for user selection of a plurality of operating modes for filtering water in different environments, wherein a first mode electrically connects a first loop with a first pressure sensor cutting off power when water pressure exceeds an upper limit, a second mode cuts off power, and a third mode electrically connects a second loop with a second pressure sensor cutting off power when water pressure is lower than a lower limit.. .
National Yunlin University Of Science & Technology
Method for improving manufacturability of cavity packages for direct top port mems microphone
A mems device for use in some embodiments in a microphone or pressure sensor and method of making the same wherein a portion of the package surrounding the acoustic port is deformed either away from, towards, or both away from and towards the interior of the package. By providing this raised area proximate the acoustic port, external debris is less likely to enter the acoustic port and damage the fragile mems die.
Unisem (m) Berhad
Cardiac stimulation the control of hypertension
A method that electrically stimulates a heart muscle to alter the ejection profile of the heart, to control the mechanical function of the heart and reduce the observed blood pressure of the patient. The therapy may be invoked by an implantable blood pressure sensor associated with a pacemaker like device.
Backbeat Medical, Inc.
Monitoring adherence to a medication regimen using a sensor
A method and apparatus for monitoring and/or managing adherence to a medication regimen that involves use of a sensor. Dispensing medicine from a container commonly involves pressure being applied to the container, which results in expansion of the container.
Kali Care, Inc.
Method and fractional flow reserve measurements
A method of determining fractional flow reserve (ffr) in a blood vessel having stenosis includes injecting fluid into the blood vessel upstream of the stenosis using a power fluid injector, measuring pressure drop across the stenosis, and calculating ffr from measured pressure drop. The injected fluid may comprise a contrast medium.
Bayer Health Care Llc
Method and device for detecting a plasma ignition
Disclosed are a method and an apparatus for the detection of a plasma in a process chamber for the treatment of substrates. In the method, the pressure within the chamber is measured over a period of time using a pressure sensor, a sudden change in pressure is detected and an ignition or extinguishing of a plasma determined at least by means of the pressure change.
Stringed musical instrument performance feedback system and method
A real time performance pressure feedback system for a stringed instrument includes a pressure sensor, a desired pressure input device, a feedback device, and a controller. The pressure sensor is configured to be fixedly and removably attached to the stringed instrument on a pressure surface, and to generate a pressure signal indicative of a pressure being applied to the pressure surface.
Floor covering system with sensors
A floor covering system can include sensors below a top surface of a floor covering and that can communicate data to a controller for monitoring events occurring in the room with the floor covering. The sensors can include a wireless transmitter associated with a tile connector, a pressure sensor, and a force sensor.
Flexible display device having touch and bending sensing function
A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.. .
Samsung Display Co., Ltd.
Pneumatic control and measuring device as well as seat comfort system
A pneumatic control and measuring device and seat comfort system with such a device. The pneumatic control and measuring device includes a valve and a pressure sensor, wherein the valve includes an input channel, a pressure channel, an output channel and a sealing element switched or switchable by an actuator.
Kendrion Kuhnke Automotive Gmbh
Method and transmitting a message in a wellbore
A message to be sent from a downhole tool in a wellbore is modulated into a data uplink signal of pressure variations in the drill string. The pressure variations are generated by varying the torque on the rotor of the generator by varying the electric load on the generator.
Nabors Lux Finance 2 Sarl
Electronic device, pressure sensor, altimeter, electronic apparatus, and moving object
An electronic device includes: a substrate; a piezoresistive element which is disposed on the side of the surface on one side of the substrate; a wall section which is disposed to surround the piezoresistive element in a plan view of the substrate, on the side of the surface on one side of the substrate; via wiring which is disposed on the side of the surface on one side of the substrate; and a covering layer which is disposed away from the via wiring in the plan view on the side opposite to the substrate with respect to the wall section and configures a cavity portion along with the substrate and the wall section.. .
Seiko Epson Corporation
Enhanced brake control system with wheel mounted position sensor
What is described is a tire pressure sensor for use in a wheel of aircraft landing gear. The tire pressure sensor includes a position sensor configured to detect a movement of the wheel and generate a wheel movement signal based on the movement.
Flow measuring apparatus and inhalation apparatus comprising the same
The present document describes a flow measuring apparatus for measuring the air flow through a section of an inhalation apparatus, and for measuring the drug delivery by inhalation using an inhalation apparatus. The flow measuring apparatus comprises a set of pitot tubes configured for traversing entirely the lumen of the section of an inhalation apparatus.
Protecsom Amerique Du Nord Inc.
Surgical hand piece with integrated pressure sensor
A surgical hand piece comprises a shell, a channel having an irrigation conduit, and a sensor housing. The channel is coupled to the shell such that the proximal end of the channel is located at the proximal end of the shell and the distal end of the channel is located near the distal end of the shell.
Systems and methods for tongue-palate pressure measurement
A device for measuring the pressure applied between a user's tongue and palate includes a body shaped to fit complimentarily against the user's palate and a pressure sensor affixed to the body such that the device has a total thickness less than 4 millimeters.. .
Method and apparatus to detect ischemia with a pressure sensor
The present disclosure provides an apparatus and method of detecting ischemia with a pressure sensor. The method can include obtaining a pressure signal and determining a pressure rate of change.
Control methodology for wireless fluid level sensor
A control methodology for a wireless oil level sensor includes mounting a wireless oil pressure sensor to the oil plug of an engine. The oil pressure sensor detects a pressure which is used to determine a volume or level of oil in the oil pan.
Gm Global Technology Operations Llc
System and device for nearfield gunshot and explosion detection
A computer-implemented system for nearfield gunshot and explosion detection comprising a hardware device with a differential air pressure sensor, a pressure amplifier that amplifies pressure signals generated by the differential air pressure sensor, a microphone, a microphone amplifier that amplifies audio signals generated by the microphone, and a pulse counter that calculates a total event length. The system includes a digital processor that processes the amplified signals from the differential air pressure sensor and the microphone and a data radio that generates alerts based on input from the differential air pressure sensor and the microphone.
Tracer Technology Systems Inc.
Pressure sensor module and manufacturing the same
A pressure sensor module capable of fixing a diaphragm to a base body without using welding is provided. A base body, a first diaphragm, a first elastic body, and a first mounting member are included.
Tgk Co., Ltd.
Pressure sensor, manufacturing pressure sensor, altimeter, electronic apparatus, and moving object
A pressure sensor includes a pressure sensor element having a pressure receiving surface and a filler (a resin section) disposed to surround the pressure sensor element. The filler includes a first portion that is at least in contact with the pressure receiving surface and a second portion located around the first portion and surrounding the first portion and the pressure sensor element.
Seiko Epson Corporation
Semiconductor pressure sensor
A semiconductor pressure sensor of the invention, includes: a base body (1) including: a lead frame (4) having a first surface and a second surface; and a support (5) that supports the lead frame (4) and is made of a resin; a pressure sensor chip (2) provided on the first surface of the lead frame (4); and a controller (3) that is provided on the second surface of the lead frame (4), is implanted in the support (5), is formed in the shape having a plurality of surfaces, includes a stress relief layer (32, 33, 34, 35, 36) that is formed on at least one of the plurality of surfaces and has a young's modulus lower than that of the support (5), and receives a sensor signal output from the pressure sensor chip (2) aid thereby outputs a pressure detection, the pressure sensor chip (2) at least partially overlapping the controller (3) in plan view.. .
A tuned sensor system is disclosed. The tuned sensor system may receive an unsteady pressure from an external environment via a pressure inlet port.
Rosemount Aerospace Inc.
Hose free sensor system for refrigerant unit
A hoseless sensor system for a refrigerant unit includes a plurality of hoseless sensors for sensing system parameters of the refrigerant unit, and a portable electronic device configured to receive the system parameters from the hoseless sensors and to calculate system conditions for the refrigerant based on the system parameters. The plurality of hoseless sensors includes a hoseless first pressure sensor and a hoseless second pressure sensor, and a hoseless first temperature sensor and a hoseless second temperature sensor.