|| List of recent Pressure Sensor-related patents
|Amplifier with offset compensation|
Aspects of this disclosure relate to compensating for a relatively large offset in a signal generated by a sensor, such as a pressure sensor and/or a resistive bridge based sensor. Such offset compensation can include applying an offset correction signal generated by a configurable voltage reference, such as a voltage mode digital-to-analog converter (dac), to an input of an amplifier included in an instrumentation amplifier to compensate for the offset of the signal generated by the sensor..
Analog Devices Global
|Vascular neck restraint training device|
A vascular neck restraint training device is used for raining a first person to execute a vascular neck restraint on a second person. The training device includes a supporting structure, such as a collar for being supported about the neck of the second person, upon which a tracheal pressure sensor, and two arterial pressure sensors are supported for alignment with the trachea and the carotid arteries of the second person respectively.
|System for monitoring operating status of chromatograph|
Provided is a system 100 for monitoring an operating status of a chromatograph to determine whether or not an abnormality due to an external condition independent of the characteristics of a sample being analyzed is present in the operating status of the chromatograph. This system includes: an external-condition measurement device (pressure sensor 19a, column oven thermometer 19b and room temperature thermometer 19c) for performing a time-series of measurement of the external condition and for obtaining a series of external-condition-related data; an index value calculator 23 for calculating an index value based on the series of the external-condition-related data obtained through an analysis; and an index value storage (data storage 24) for storing the index value for the analysis, with the index value being linked with an analysis data obtained through the analysis..
|Gloves with pressure sensors|
Gloves with pressure sensors are disclosed. The gloves comprise a microprocessor, an accelerometer, a plurality of pressure sensors, a gyro sensor and a power source to detect pressure forces of fingers and postures and motions of palms of a user..
Waltop International Corporation
|Differential pressure type flowmeter and flow controller provided with the same|
There is provided a differential pressure type flowmeter that includes an orifice provided in a main flow channel, a first pressure sensor configured to detect pressure of fluid on an upstream side of the orifice, a second pressure sensor configured to detect pressure of fluid on a downstream side of the orifice, a first pressure introduction flow channel configured to guide the fluid on the upstream side of the orifice to the first pressure sensor, and a second pressure introduction flow channel configured to guide the fluid on the downstream side of the orifice to the second pressure sensor, wherein a flow channel length and a flow channel diameter of the first pressure introduction flow channel coincide with those of the second pressure introduction flow channel, respectively, and a ratio of the flow channel length to the flow channel diameter is not less than 20 times and not more than 30 times.. .
Surpass Industry Co., Ltd.
A flow meter for measuring the flow of fluid through a pipe. The flow meter has an elongate member attached to an interior surface of the pipe.
Engineering Partners International, Inc.
|Systems and methods for improved accuracy in determining altitude from pressure|
Described are methods, systems, means and machine-readable media embodying program instructions for considering water molecules and other mixtures in air when estimating an altitude of a pressure sensor. In at least one implementation, a measurement of humidity is used to compute a gas constant value, and the computed gas constant value is used to estimate an altitude of a pressure sensor.
|Method for regulating a heating unit, and heating unit|
A method for regulating a heating unit, and heating unit, are provided. A method is provided for regulating a heating unit, and to a heating unit which includes a combustion chamber, combustion air being introduced into the combustion chamber via a controllable blower.
Robert Bosch Gmbh
|Apparatus for the controlled pressurization of gas cylinder actuators|
An electronic control and management unit connected to the at least one pressure sensor and to the electrically controlled valve elements to automate the opening/closing of the valve elements in dependence on the signals that arrive from the at least one pressure sensor.. .
|Internal combustion engine|
An upper-limit threshold value and a lower-limit threshold value of a fore-and-aft differential pressure of an egr control valve is calculated based on an intake-air quantity detected by an airflow meter. An actual fore-and-aft differential pressure of the egr control valve is calculated from detected values of an upstream-side pressure sensor and a downstream-side pressure sensor.
Nissan Motor Co., Ltd.
Method for calculating engine characteristic variables, data processing system and computer program product
A method for operating a reciprocating-piston internal combustion engine, including: supplying a fuel mixture having two fuel types and air into a combustion chamber; burning the fuel mixture in the combustion chamber during a working stroke; detecting the pressure profile in the combustion chamber during the working stroke by one pressure sensor per combustion chamber; determining an amount of energy per working stroke and per combustion chamber from the pressure profile. In order to enable different fuel types and/or fuel qualities to be taken into consideration in the regulation of the engine, the calorific value of the fuel mixture per working stroke and per combustion chamber is determined from the volume and/or the mass of the supplied fuel mixture and from the determined amount of energy per working stroke and per combustion chamber.
Mtu Friedrichshafen Gmbh
Apparatus for detecting abnormal combustion in a combustion engine
A spark ignition internal combustion engine includes: a compression ratio changing mechanism by which a volume of a combustion chamber varies; a cylinder internal pressure sensor that acquires a pressure signal of a pressure vibration inside a cylinder; and an abnormal combustion detector including a filter that passes the pressure signal, of a set frequency band among the pressure signal, and detecting an occurrence of abnormal combustion based on the pressure signal having passed through the filter. The abnormal combustion detector sets a frequency band of the filter based on a crank angle section in which abnormal combustion occurs and on a mechanical compression ratio..
Toyota Jidosha Kabushiki Kaisha
Detection of patient interface disconnect for controlling continuous positive airway pressure therapy
Methods for detecting a patient disconnecting from a continuous positive airway pressure (cpap) therapy device are disclosed. A cyclical pressure difference signal is derived based upon measurements from a patient interface pressure sensor and from a source pressure sensor.
Breathe Technologies, Inc.
Tankless beverage brewing apparatus
A tankless beverage brewing apparatus that includes a digital controller for dynamically varying the water temperature and/or the brew flow rate of the dispensed beverage is disclosed. In some embodiments, a main supply line of the tankless beverage brewing apparatus includes a pressure reducer, a pressure sensor, a linear heater, a temperature sensor, and a spray valve; all supplying a hot water spray head and/or a hot water spigot.
Instrumentation equipment for nuclear power plant
The present invention provides instrumentation equipment for a nuclear power plant in which the formation of bubbles in an impulse line can be surely inhibited and thereby reliability and maintainability are improved for a long period of time. Instrumentation equipment for a nuclear power plant including: a tubular impulse line provided on a site to measure a fluid to be measured in a primary system of a nuclear power plant; a sealed liquid filled within the impulse line; a pressure-sensing diaphragm provided in a state of closing one opening of the impulse line to receive a pressure of the fluid to be measured; a pressure sensor provided on another opening of the impulse line in a state of being exposed to the sealed liquid; and a hydrogen storage material provided within the impulse line..
Input device haptics and pressure sensing
Input device haptics and pressure sensing techniques are described. An input device includes an outer surface, a pressure sensor and haptic feedback mechanism, and a pressure sensing and haptic feedback module.
Microsoft Technology Licensing, Llc
Extraction of tire characteristics combining direct tpms and tire resonance analysis
Embodiments relate to tire characterization systems and methods for combining direct tire pressure monitoring systems (tpms) and tire resonance analysis in indirect tire pressure monitoring systems (tpms) for the extraction of tire characteristics to characterize other tire parameters. In embodiments, itpms and methods that utilize anti-lock braking system (abs) sensed signals coupled to an electronic control unit (ecu) that may comprise circuitry and/or controllers to process the sensed signals using a resonance frequency analysis (rfa) technique can be combined with direct tire pressure sensor measurements from direct tpms systems.
Infineon Technologies Ag
In-cylinder pressure detection device for internal combustion engine
This invention determines whether or not an internal combustion engine is not performing combustion. If the determined result is that the internal combustion engine is not performing combustion, a maximum in-cylinder pressure pmax during motoring is identified by an in-cylinder pressure sensor, and a crank angle θpmax corresponding to the maximum in-cylinder pressure pmax is detected by a crank angle sensor.
Fujitsu Ten Limited
Combustion pressure sensor
A combustion pressure sensor is formed of a ring-shaped cylindrical body. The combustion pressure sensor detects combustion pressure in a combustion chamber of an engine by being attached to an outer periphery of a tip of a functional component attached to the combustion chamber.
Citizen Finetech Miyota Co., Ltd.
Method and device for verification and/or calibration of a pressure sensor
A method for calibrating a pressure sensor includes connecting the pressure sensor to first and second fluid storage vessels; providing an initial fluid pressure at the pressure sensor and at the fluid storage vessels; and carrying out a pressure measurement of the initial fluid pressure at a time t0. The method then disconnects the second fluid storage vessel from the pressure sensor and the first fluid storage vessel; provides a first fluid pressure at the second fluid storage vessel; and carries out a pressure measurement of the first fluid pressure at a time t1.
Sartorius Stedim Biotech Gmbh
A microelectromechanical pressure sensor structure wherein the length of the diaphragm is at least three times the width of the diaphragm. The oblong diaphragm experiences a minimized difference between lateral bending of the wafer and of the diaphragm along the width of the diaphragm.
Murata Manufacturing Co., Ltd.
Electronic devices with environmental sensors
An electronic device may be provided with environmental sensors. Environmental sensors may include one or more environmental sensor components and one or more acoustic components.
System and detecting hydraulic start-of-injection
This disclosure provides system and method that can determine hydraulic start of injection (soi) in engines using an in-cylinder pressure sensor. The system and method determine apparent heat release rate (ahrr) curve data for the cylinder from the pressure information provided by the in-cylinder pressure sensors, and the hydraulic soi from the derivative of the ahrr curve data.
Cummins Intellectual Property, Inc.
Tire pressure monitoring system
A tire pressure monitoring system for wheeled vehicles is presented that uses a vehicle computer, a vehicle position sensor, a tire pressure sensor, and ambient temperature readings to determine whether the vehicle has remained stationary for a predetermined time period before determining and reporting cold tire pressure.. .
The Boeing Company
Exhaust gas processing device, diesel engine, and exhaust gas processing method
An exhaust gas processing device includes a nox detection sensor, a first catalyst provided to a first branch pipe, a second catalyst provided to a second branch pipe, a first pressure sensor and a second pressure sensor which are arranged on the upstream side of the first catalyst and the second catalyst and which detect pressures in the first branch pipe and the second branch pipe, and a control device that obtains flow rates of exhaust gas flowing through the first branch pipe and the second branch pipe based on detection values of the first pressure sensor and the second pressure sensor and obtains amounts of reducing agent to be given to the first catalyst and the second catalyst from the obtained flow rates and a concentration of nox of the exhaust gas.. .
Bladder-pressure measurement capsule
The invention relates to a bladder measurement capsule, which can be introduced into the bladder of a living being, in particular a human, and which has a pressure sensor and measurement electronics in a housing by means of which pressure measurement values provided by the pressure sensor can be detected and saved and which has a shape deviating from a linear longitudinal extension, in particular the shape of a ring torus sector, and is flexible against a resetting force into a linear longitudinally extended shape. The invention further relates to a method for producing a bladder pressure measurement capsule, wherein a flexible circuit board (2) carrying the internal components, in particular the electronic components, is inserted into a mold cavity which defines a shape of the bladder pressure measurement capsule deviating from a linear longitudinal extension, in particular the shape of a ring torus sector, and the mold cavity is filled with an elastomer casting compound (1) which cures without tension, in particular silicone..
Universitaet Zu Köln
Pressure sensor catheter and associated method
The invention relates to a pressure sensor catheter and method for measuring pressure on a distal side of a flow constriction, such as a stenosis, in a body lumen or measuring a pressure difference over the flow constriction. The catheter includes a pressure transfer tube for passing through the constriction, the tube being connected to and extending from a pressure sensor for transferring the pressure at the distal side of the constriction via the tube to the sensor, and a catheter body for introduction of the catheter into the body lumen, wherein the catheter body comprises the sensor at a sensor position, such that the sensor in use is positioned in the body lumen, and wherein a distal end region of the catheter including the distal end region of the pressure transfer tube has a smaller maximum outer diameter than the outer diameter of the catheter at the sensor position..
Wellinq Medical B.v.
Method of limiting capillary action of gel material during assembly of pressure sensor
A method for applying a pressure-sensitive gel material during assembly of an array of pre-singulated packaged semiconductor devices. In the method, pressure-sensitive gel material is dispensed onto a first semiconductor device of the array, where the first semiconductor device is disposed within a first cavity.
Systems and methods for providing hemorrhage control training
Embodiments of a task monitoring system for hemorrhage control provide real-time or near real-time feedback to a trainee on the force that the trainee is applying to a simulated wound. In some embodiments, the task monitoring system comprises a mobile device, a pressure sensor, and a software application (“app”) that runs on the mobile device.
Die condition detection
A die is supported in a die holder such as a frame or an adapter supported in a frame such that it is operational use in a material deforming operation. One or both of the die and the die holder have at least one gas passage which is substantially closed by at least part of the die.
Method and system for detecting a flow blockage in a pipe
A method of detecting a flow blockage in a pipe includes: arranging a fluid flow along the pipe, the pipe in fluid communication with a pressure sensor; configuring the pressure sensor to measure a pressure within the pipe; recording plurality of measurements of pressure within the pipe; sampling ‘n’ successive values of pressure within the pipe; performing an analytical test on the ‘n’ successive values, the analytical test producing an output value, the output value representative of a variation in the individual ones of the ‘n’ successive values; comparing the output value to a pre-defined threshold value, the threshold value indicative of a lack of variation in the individual ones of the ‘n’ successive values; and if the output value is less than the threshold value, generating an alert to provide a user with an indication of the presence of flow blockage in the pipe.. .
Pressure sensor device and manufacturing the same
In aspects of the invention, a sensor unit is stored in a recessed sensor mount portion formed in a resin case. The sensor unit can be formed so that a semiconductor pressure sensor chip is joined to one side of a glass pedestal, and the other side of the glass pedestal is die-bonded to the bottom of the sensor mount portion through an adhesive.
Fuji Electric Co., Ltd.
Method of and system for calculation and consolidation of flight parameters of an aircraft
A method and system for calculation and consolidation of a first plurality of aircraft flight parameters including a second plurality of pressure sensors is provided. The pressure sensors are arranged in respective aircraft locations; each pressure sensor provides a pressure value based on a respective detected static pressure value.
Alenia Aermacchi S.p.a.
In-cylinder pressure detection device for internal combustion engine
This invention determines whether or not an internal combustion engine is performing combustion, and if the determined result is that the engine is not performing combustion, it is determined whether or not the engine revolution speed is greater than a predetermined revolution speed neth. If it is found that the relation that the revolution speed>predetermined revolution speed neth holds, an in-cylinder maximum pressure value pmax during motoring is identified by an in-cylinder pressure sensor 34, a crank angle θpmax corresponding to the relevant pmax is detected by a crank angle sensor 42, and the crank angle is corrected so that θpmax becomes tdc.
Toyota Jidosha Kabushiki Kaisha
System and downhole signal enhancement
A system and method for downhole signal enhancement. The system includes a downhole tool having one or more sensors coupled thereto.
Schlumberger Technology Corporation
Provided is a construction machine comprising an energy recovery device for recovering hydraulic fluid energy from a hydraulic actuator and being capable of achieving excellent operability even when the power of the prime mover is changed. The construction machine comprises an engine 1, a hydraulic pump 2, a plurality of hydraulic actuators 31-34, a plurality of control valves 41-44, a plurality of operating devices 71-74, an energy recovery device 80, an operation mode selector switch 76, an engine revolution speed dial 77, a pressure sensor 75, and a controller 90 which controls the flow rate of hydraulic fluid recovered by the energy recovery device based on input signals from the operation mode selector switch, the engine revolution speed dial and the pressure sensor..
Hitachi Construction Machinery Co., Ltd.
Mems device, pressure sensor, altimeter, electronic apparatus, and moving object
A mems device includes: a substrate; a sensor element (functional element) that is disposed above the substrate; a surrounding wall that is disposed above one surface side of the substrate and surrounds the sensor element in a plan view; a covering layer that overlaps the substrate in the plan view and is connected to the surrounding wall; and a reinforcing layer that is arranged between the covering layer and the sensor element. The surrounding wall includes a substrate-side surrounding wall, and a covering layer-side surrounding wall that is located on the covering layer side of the substrate-side surrounding wall and at least a portion of which is disposed above the inside of the substrate-side surrounding wall in the plan view..
Seiko Epson Corporation
Tire innerliner-based parameter estimation system and method
A tire inner liner-based estimation system and method for a vehicle includes a tire pressure sensor mounted to a vehicle tire for detecting a measured tire air cavity pressure; a vehicle speed sensor mounted to provide a measured vehicle speed; a tire identification device mounted to the tire for conveying a tire identification; a tire inner liner deflection sensor mounted to detect and measure a loaded inner liner radius. An estimation of an inner liner-based parameter is iteratively made from the measured tire pressure and the loaded inner liner radius measurement..
The Goodyear Tire & Rubber Company
Oxygen concentration device
An oxygen concentration device is provided which, when the number of revolutions of a compressor reaches an upper limit of control, increases an oxygen concentration, and can extend an operating time of the oxygen concentration device, comprising a control means which controls the number of revolutions of the compressor based on a detected value of an oxygen concentration sensor, judges deterioration due to moisture absorption based on the detected value of the oxygen concentration sensor, a detected value of a pressure sensor, and an operating time of an adsorption cylinder and, when criteria for judgment of the deterioration due to moisture absorption are satisfied, makes a purge step time shorter than an initially set time.. .
Teijin Pharma Limited
Immunological analyzing apparatus
An automatic analyzer comprises selection means for selecting whether a preparatory operation, specified from a plurality of analysis preparation processes of the automatic analyzer, should be executed in an initial process at the powering on of the analyzer or after the start of the actual analysis (i.e., in parallel with the sample analysis operation). For example, the automatic analyzer is equipped with means which allows the analyzer to execute a “system liquid replacement operation”, a “sample nozzle pressure sensor checking operation”, a “reaction vessel discarding operation” and a “pre-cleaning liquid replacement operation” which among various operations that are executed in the preparation process in conventional immunological analyzing apparatus in processes other than the preparation process..
Hitachi High-technologies Corporation
Compressor system and controlling the same
Provided is a compressor system including a first compressor having: an inlet at which a first inlet guide vane is provided; and an outlet pressure sensor unit configured to measure a pressure at an outlet of the first compressor; a second compressor including an inlet at which a second inlet guide vane is provided; a first control unit configured to adjust a degree of opening of the first inlet guide vane based on the pressure measured by the outlet pressure sensor unit, configured to set the outlet pressure of the first compressor as a set pressure, and configured to generate a first signal including information about the degree of opening of the first inlet guide vane; and a second control unit configured to receive the first signal, and configured to adjust a degree of opening of the second inlet guide vane to control an amount of fluid flowing into the second compressor.. .
Samsung Techwin Co., Ltd.
Tilting angle control device
A tilting angle control device includes pressure sensors. Each of the pressure sensors outputs to a control unit a pressure command signal corresponding to an operation amount.
Kawasaki Jukogyo Kabushiki Kaisha
Process and system for reducing the amount of fuel in vehicles equipped with fuel injectors and that can be supplied with more than one fuel
Process for reducing the amount of fuel in vehicles equipped with fuel injectors and that can be supplied with more than one fuel, comprising a piloting step of one or more injectors (3) with a real pressure pr, through a control unit (1) and a high pressure pump (2), wherein the control unit (1) receives an incoming feedback pressure signal pf from a pressure sensor (4), and characterised in that an emulation step of the pressure sensor (4) is envisaged consisting of altering the transfer function of a feedback loop on which the pressure sensor (4) is located according to the law: pf=pr·k(pv), where pv are typical engine control parameters and k(pv) is a function of it, with k(pv)>1, i.e. Pf≧pr> and pr=pt/k(pv) i.e.
Method for torque control of an internal combustion engine, and internal combustion engine
The invention relates to a method for torque control of an internal combustion engine, wherein a pressure sensor is associated with at least one, but at the most two cylinders of the internal combustion engine, and wherein an cylinder internal pressure for the cylinder associated with the pressure sensor is detected. The method is characterized in that an adjustment of injection characteristics is carried out for the injectors allocated to the individual cylinders of the internal combustion engine by way of a method which is independent from the detected cylinder pressure, and that a torque control for the internal combustion engine is performed based on the detected cylinder pressure..
Mtu Friedrichshafen Gmbh
Mems pressure sensors and fabrication method thereof
A mems capacitive pressure sensor is provided. The pressure sensor includes a substrate having a first region and a second region, and a first dielectric layer formed on the substrate.
Semiconductor Manufacturing International (shanghai) Corporation
Tire pressure sensor device setting method
A tire pressure sensor device setting method is disclosed to use a setting tool to encode the tire pressure sensor device to be set and to simultaneously write the location information of the tire pressure sensor device into the communication protocol during encoding, enabling the tire pressure sensor device to actively send out a location signal.. .
Club Elecparts Inc.
Fluid transport apparatus, and controlling fluid transport apparatus
A fluid transport apparatus includes: a pump configured to change a volumetric capacity of a container in which a fluid is stored to cause the fluid to flow; a flow channel connected to a downstream side of the pump in a direction of flow of the fluid and configured to allow the fluid to flow therein; a pressure transmitting plate arranged so as to be capable of coming into abutment with a first member which constitutes at least part of the flow channel; and a pressure sensor configured to detect a force for displacing the pressure transmitting plate. The fluid transport apparatus is capable of detecting an abnormality in transportation of the fluid..
Seiko Epson Corporation
Pressure sensor, anchor, delivery system and method
An implant delivery system includes an implant, such as a wireless sensor, a first sheath, and a second sheath. The sheaths extend from a proximal end of the implant delivery system, and at least said first sheath extends to a distal end of said implant delivery system.
Semiconductor processing boat design with pressure sensor
Presented herein is a device comprising a device processing boat comprising a base at least one unit retainer disposed in the base. The device further comprises a cover having at least one recess configured to accept and retain at least one unit, the at least one recess aligned over, and configured to hold the at least one unit over, at least a portion of the at least one unit retainer.
Taiwan Semiconductor Manufacturing Company, Ltd.
Multi-function foot switch
Disclosed is a foot switch to be used in medical equipment for controlling various medical operations. The foot switch may comprise a foot pedal, a pressure sensor, a tilt sensor and a control unit.
Shivani Scientific Industries Private Limited
Differential pressure sensor with dual output using a double-sided capacitive sensing element
A differential capacitive pressure sensor of an embodiment of the present invention has first and second diaphragms positioned on opposing sides of a single substrate. Each diaphragm of the pressure transducer is configured to be exposed to a transient fluid, with the first and second pressure transducers being arranged with their respective deflection surfaces directed outwardly from each other.
Strain gauge pressure sensor circuit with sensor disconnect detection
An electronic circuit for processing signals from a strain gauge pressure sensor includes an anti-alias filter, an analog-to-digital conversion circuit, and a detection circuit for detecting when the sensor is unexpectedly disconnected from the signal processing circuit. The detection circuit provides a yes/no indication of the connection of the pressure sensor to the circuit based upon whether a common mode voltage associated with one of the signal terminals of the pressure sensor is out of range..
Hamilton Sundstrand Corporation
Pressure sensor structure
A microelectromechanical pressure sensor structure that comprises a planar base, a side wall layer and a diaphragm plate. The side wall layer forms side walls that extend away from the planar base into contact with the diaphragm plate.
Murata Manufacturing Co., Ltd.
Pressure sensor, acceleration sensor, and manufacturing pressure sensor
According to one embodiment, a pressure sensor includes a base and a sensor unit provided on the base. The sensor unit includes a transducing thin film having a first surface, a first strain sensing element provided on the first surface, and a second strain sensing element provided on the first surface.
Kabushiki Kaisha Toshiba
Pumping unit and controlling such a pumping unit
A pumping installation includes at least one first positive-displacement machine and one second positive-displacement machine, as well as a control module, in which installation a gas is evacuated from an enclosed volume by means of the first positive-displacement machine and/or the second positive-displacement machine. The pumping installation includes at least one control valve controlled by the control module and a pressure sensor for sensing the value of the pressure at the outlet of the first positive-displacement machine and/or a temperature sensor for sensing the value of the temperature at the outlet of the first positive-displacement machine in order to control the flow of gas between the enclosed volume and the outlet of the pumping installation..
Ateliers Busch Sa
Remote pressure readout while deploying and undeploying coiled tubing and other well tools
A well tool has a pressure sensor disposed in an interior space. The pressure sensor has at least one sensing element estimating a pressure parameter of a fluid in the interior space and a transponder configured to transmit radio frequency (rf) signals representative of the estimated pressure parameter.
Baker Hughes Incorporated
System for recycling grey water
System and method of recycling grey water, and more particularly a system and method to utilize grey water resulting from a cleaning activity such as a laundry or shower as an environmentally safe form of irrigation. In accordance with one embodiment of said system, pressure sensors and transmitters in various zones may be communicatively coupled to a system controller capable of regulating the use of at least one variable frequency drive with said system..
Hybrid detecting a vehicle/pedestrian impact
An apparatus detects a vehicle/pedestrian impact event by sensing impact events near a forward location of a vehicle using both acceleration sensors and pressure sensors and providing associated signals indicative thereof, determining metric values for each of the sensor signals, and determining if a vehicle/pedestrian impact has occurred in response to the determined metric values. .
Trw Automotive U.s. Llc
A percussion unit, especially for a rotary hammer and/or percussion hammer, includes a control unit that is configured for open-loop and/or closed loop control of a drive unit and/or a pneumatic percussion mechanism. The percussion unit further includes a pressure sensor unit that is configured to measure a pressure curve in order to detect at least one state of the percussion mechanism..
System and automatic control of differential pressure in a baghouse system
Systems and methods for automatic control of a baghouse fabric filter system as a single unit to maintain a consistent pressure drop are disclosed. The fabric filter system may be a pulse jet cleaning system, and a controller may be provided to receive inputs from pressure sensors and other components and to control activation of pulse pipes for cleaning filter bags.
Covanta Energy, Llc
Blood pressure measuring system
A blood pressure measuring system includes: a sphygmomanometer which is configured to invasively measure a blood pressure value of a subject; a calibrating section which is configured to calibrate a measurement reference value of the blood pressure value; a first atmospheric pressure sensor which is adapted to be attached to the subject; a second atmospheric pressure sensor which is fixed to a predetermined position; a difference acquiring section which is configured to acquire a difference between a first atmospheric pressure value detected by the first atmospheric pressure sensor, and a second atmospheric pressure value detected by the second atmospheric pressure sensor; and a determining section which, based on the difference, is configured to determine whether a calibration of the measurement reference value is necessary or not.. .
Nihon Kohden Corporation
Apparatus for evaluating vascular endothelial function
An apparatus for evaluating a vascular endothelial function include a first cuff wrapped around one of right and left upper or lower limbs of a subject, a second cuff wrapped around the one of the right and left upper or lower limbs, a third cuff which is to be wrapped around another one of the right and left upper or lower limbs, a cuff pressure controller which controls pressures that are applied to the first cuff, the second cuff and the third cuff, respectively, a cuff pressure detector which detects cuff pressures in the second cuff and the third cuff, a pulse wave detector which detects respective pulse waves at the second cuff and the third cuff from outputs of the pressure sensors.. .
Nihon Kohden Corporation
Method and control of non-invasive parameter measurements
Improved methods and apparatus for non-invasively assessing one or more parameters associated with fluidic systems such as the circulatory system of a living organism. In a first aspect, an improved method of continuously measuring pressure from a compressible vessel is disclosed, wherein a substantially optimal level of compression for the vessel is achieved and maintained using perturbations (e.g., modulation) of the compression level of the vessel.
Tensys Medical, Inc.
Pressure sensor device with gel retainer
A pressure sensor device includes a gel retainer that is mounted or formed on a substrate. The gel retainer has a cavity and a pressure sensing die is mounted inside the cavity.
Pressure testing with controlled applied fluid
Circuits, methods, and apparatus for testing pressure sensors and other integrated circuits and devices while applying a well-controlled pressure are provided. A fluid may be received by a flow controller.
Silicon Microstructures, Inc.
A pressure sensor for measuring a fluid pressure of a fluid within a measurement chamber has the measurement chamber having a mechanical deformable wall, a shape of the measurement chamber varying depending on a pressure within the measurement chamber. The pressure sensor further has a measurement electrode, wherein the measurement chamber is arranged relative to the measurement electrode to be arranged within a region of an electrical field originating from the measurement electrode upon application of a potential to the measurement electrode, wherein an influence of a variation of the shape of the measurement chamber on the electrical field can be detected..
Micromechanical pressure sensor device and corresponding manufacturing method
A micromechanical pressure sensor device includes: an mems wafer having a front side and a rear side; a first micromechanical functional layer formed above the front side of the mems wafer; and a second micromechanical functional layer formed above the first micromechanical functional layer. A deflectable first pressure detection electrode is formed in one of the first and second micromechanical functional layers.
Robert Bosch Gmbh
Regenerative braking control system and method
A vehicle regenerative braking control system includes a brake pedal; a brake pedal angle sensor interfacing with the brake pedal; a vehicle braking system interfacing with the brake pedal angle sensor, the vehicle braking system adapted to implement friction braking and regenerative braking responsive to receiving a brake pedal angle input signal from the brake pedal angle sensor; and at least one of a brake pedal switch and a brake master cylinder pressure sensor interfacing with the brake pedal and the vehicle braking system. The vehicle braking system is further adapted to implement friction braking and regenerative braking responsive to input from the at least one of a brake pedal switch and a brake master cylinder pressure sensor in the event that the vehicle braking system does not receive the brake pedal angle input signal from the brake pedal angle sensor.
Ford Global Technologies, Llc
Tire pressure management system with enhanced wireless security and control method thereof
A tire pressure management system with enhanced wireless security and a control method thereof are provided. The tire pressure management system includes initiators configured to wirelessly transmit a tire information request signal to tire pressure sensors when the initiators receive a first signal, a receiver configured to receive packets including the tire information from the tire pressure sensors, and an electronic control unit (ecu) configured to transmit the first signal to the initiators.
Hyundai Motor Company
Predicting a characteristic of an injection molded article
A method of manufacturing injection molded articles is disclosed, the method comprises steps of providing an injection molding apparatus having a pressure sensor, determining a relationship between injection pressure and intrinsic viscosity of a molten polymer for the injection molding apparatus, injection molding an article using the injection molding apparatus, determining an intrinsic viscosity of the article based on the injection pressure of the injection molding step in accordance with the relationship using a converter, and modifying or intervening in the operation of the injection molding apparatus.. .
Plastic Technologies, Inc.
Failure resistant shunt
Drainage systems for excess body fluids and associated methods are disclosed herein. A body fluid drainage system in accordance with an embodiment of the present technology, for example, can include a catheter that has an exterior surface, a proximal portion, and a distal portion opposite the proximal portion.
Uw Center For Commercialization
Transaortic valve access device
A valve insertion device for traversing a wire guide through a valve within an intraluminal passage. A wire guide is positioned near the outflow of a valve within an intraluminal passage.
Cook Medical Technologies Llc
Catheter for providing vascular pressure measurements
A catheter is disclosed for providing pressure measurements at a vascular lesion. The catheter includes an outer component having a side opening the providing transverse access to a lumen thereof and an inner component slidably disposed within the lumen.
Medtronic Vascular Galway
Apparatus and methods for non-invasively measuring hemodynamic parameters
Improved apparatus and methods for non-invasively assessing one or more hemodynamic parameters associated with the circulatory system of a living organism. In one aspect, the invention comprises apparatus adapted to accurately place and maintain a sensor (e.g., tonometric pressure sensor) with respect to the anatomy of the subject, including an alignment apparatus which is separable from an adjustable fixture.
Tensys Medical, Inc.
Method and sensing touch pressure of touch panel and touch sensing apparatus using the same
Disclosed herein is a method for sensing a touch pressure of a touch panel, including: sensing a bending time of a touch panel based on touch sensing signals; and determining a touch pressure based on the touch sensing signals at the bending time and a current touch sensing signal, thereby extracting information on the touch pressure without using a pressure sensor and applying the extracted pressure information to determine a gesture and to be used in various user applications.. .
Samsung Electro-mechanics Co., Ltd.
Gas divided flow supplying semiconductor manufacturing equipment
A gas divided flow supplying apparatus, including a control valve 3, a pressure type flow control unit 1a connected to a process gas inlet 11, a gas supply main pipe 8 connected to the downstream side of control valve 3, a plurality of branched pipe passages 9a, 9n connected in parallel to the downstream side of main pipe 8, opening and closing valves 10a, 10n interposed in the respective branched pipe passages 9a, 9n, orifices 6a, 6n provided on the downstream sides of valves 10a, 10n, a temperature sensor 4 provided near the process gas passage between the control valve 3 and the orifices 6a, 6n, a pressure sensor 5 provided in the process gas passage between the control valve 3 and the orifices 6a, 6n, divided gas flow outlets 11a, 11n provided on the outlet sides of the orifices 6a, 6n, and an arithmetic and control unit 7.. .
Valve positioner with overpressure protection capabilities
A method of limiting control pressure provided to an actuator of a valve coupled to a valve positioner, a drive signal is provided to a pneumatic stage of the valve positioner. The pneumatic stage is arranged to control output pressure of the valve positioner in accordance with the drive signal.
Fisher Controls International Llc
Low pressure sensors and flow sensors
Low pressure sensors and flow sensors are provided. In some embodiments, a pressure sensor can include a sensor die that includes a substrate and a cavity that is formed in a bottom side of the substrate and that defines an elastic element including a thin diaphragm area and a rigid island.
General Electric Company
Pressure sensor having a bossed diaphragm
A pressure sensor having a diaphragm having a boss with a pattern. The diaphragm having a boss may be regarded as a bossed diaphragm.
Honeywell International Inc.
Sensor for detecting a temperature and a pressure of a fluid medium
A sensor for detecting a temperature and a pressure of a fluid medium includes at least one housing, at least one temperature sensor for detecting the temperature of the fluid medium and at least one pressure sensor element for detecting the pressure of the fluid medium. An activation and/or evaluation circuit is situated in the housing.
Robert Bosch Gmbh
Systems and methods for initiating calibration of a sensor
A device having a sensor may be calibrated by obtaining a condition of a device incorporating the sensor and initiating a calibration operation for the sensor based, at least in part, on the condition of the device. The condition may be a motion state, a charging state, a pattern of motion, an orientation, a location, a surrounding environment measurement, sensor usage, an age of calibration, a quality of calibration, or any combination.
Method and positioning with always on barometer
Methods, apparatuses, and non-transitory processor-readable media of the present disclosure are presented for efficiently executing applications based on pressure sensor data. In some embodiments, a method includes monitoring pressure, and determining a rate of change in the pressure over time exceeds a predetermined rate-of-pressure-change threshold.
A vehicle seat comprising a seat back having a foot massage system, wherein the seat back includes front side and rear side, the rear side receiving the foot massage system, said foot massage system configured to pivot around an axis that is fixed relative to the seat back between a first in-use position, wherein the massage system pivots down to receive a passenger's feet, and a second folded-away position wherein the massage system is retreated along the backrest rear side. The foot massage system includes a registration area for guiding the passenger's foot to proper massage position and a pressure detection system having pressure sensors.
Faurecia (china) Holdings Co., Ltd.
Resin cast device and resin cast method
Provided are a resin molding device and a resin molding method for easily removing a thin and soft resin molded product from a mold with a good finish by sensing an operation failure of an air ejector reliably. An air ejector (22) of a resin molding device (20) comprises air passages (24a, 24b), air outlets (26a, 26b) through which air is injected, movable valves (27a, 27b) biased by bias members (29a, 29b) to close the air outlets (26a, 26b), accommodation spaces (28a, 28b) in which the movable valves (27a, 27b) are movably contained, an air supply path (32) through which air is supplied from an air supply source (33), and a pressure sensor (35) to detect air pressure.
Calsonic Kansei Corporation
Vacuum loss detection during laser eye surgery
Apparatus to treat an eye with an ophthalmic laser system comprises a patient interface having an annular retention structure to couple to an anterior surface of the eye. The retention structure is coupled to a suction line to couple the retention structure to the eye with suction.
Hyperthermia, system, method, and components
An iv pole mountable, therapeutic infusate processing device is incorporated into a hypothermia system to receive therapeutic fluid(s), such as normal saline, peritioneal dialysis solution, or other crystalloid solution, to heat such therapeutic fluid(s) a few degrees centigrade above normal body temperature and to direct the resulting heated infusate to and through a selected anatomical portion of a patients body to raise the temperature of that body portion so as to affect any cancerous or other tumors that may be located therein. The processing device is provided with touch screen controls and visual indicators to facilitate its proper use; while the system further includes temperature and pressure sensors to monitor the hyperthermia processing to insure patient safety..
Belmont Instrument Corporation
Medical imaging apparatus to detect a moving part of a patient's body
A medical imaging apparatus and a device to detect the position of a moving part of the body of a patient. The detection device includes a management module including electronic and electric components including a differential pressure sensor linked to a measuring device that generates a differential pressure representative of the respiration flow rate of the patient, the management module being organized so as to perform at least: one acquisition and processing of the data produced by the differential pressure sensor for the generation of data representative of the respiratory volume and for the generation of an outgoing digital synchronization signal; the reception of an incoming digital synchronization signal; the generation of an outgoing digital signal of data representative of the respiratory volume in line with one of the two synchronization signals..
Blood pressure measurement apparatus and pulse wave detection method
The blood pressure measurement apparatus includes a pressure sensor that detects the pressure in a cuff and outputs a cuff pressure signal, and a pulse wave detection unit that detects a pulse wave in the cuff pressure signal. The pulse wave detection unit includes an analog hpf that extracts a high-frequency component from the cuff pressure signal, an a/d conversion unit, a signal storage unit that stores a signal obtained by performing a/d conversion on the cuff pressure signal detected at the time when the pressurizing pressure changes from increasing to decreasing, a subtraction unit that subtracts the signal stored by the signal storage unit from an output signal of the a/d conversion unit, and a digital hpf that extracts a high-frequency component from the output signal of the subtraction unit..
Omron Healthcare Co., Ltd.