|| List of recent Pressure Sensor-related patents
|Ultrasonic meter flow measurement monitoring system|
The present invention provides an automated meter station monitoring system for a fluid comprising a processor having algorithms for verifying performance of a fluid flow measurement system. A pressure sensor is operatively connected to the processor to measure the pressure of the fluid.
|Method for controlling water pump of vehicle and system thereof|
A method for controlling a water pump of a vehicle moving a coolant circulating through a cooling load generating heat and a radiator includes calculating a rotation speed command based on a control reference temperature of the coolant. A water pump suction pressure is set and compared with a preset control reference pressure to control the rotation speed command.
|Evaporative emission control system|
A combined system for detecting leaks in an evaporative emission control system and for inflating flat tires. The evaporative emission control system includes a vapor capture canister with a purge valve and a system pressure sensor, and the flat tire repair kit includes a reservoir containing tire inflation fluid, an attachment tube for attaching the reservoir to a tire, and a pump selectively connected to the evaporative emission control system and the reservoir.
|Multipurpose cerebrospinal fluid sensor assembly and method of operation of the same|
A cerebrospinal fluid (csf) monitoring device for the detection of obstructions in real time through the collection of pressure data from an on-board pressure sensor. This system is designed to integrate into medical devices equipped with a csf drainage system, such as implantable shunts.
|Pressure sensor for touch input devices|
A stylus and sensor capable of determining levels of pressure applied to a tip are disclosed. The stylus has a tip configured to interact with and receive a force from a touch surface.
|Well tool pressure testing|
A method of pressure testing a well tool can include applying positive or negative pressure to an internal chamber of the well tool, or determining a reference pressure, and monitoring the pressure in the internal chamber using a pressure sensor in the internal chamber. Another method can include applying pressure to an internal chamber of a well tool at a surface location, thereby creating a pressure differential in one direction across a seal, and installing the well tool in a well, thereby creating another pressure differential in a possibly opposite direction across the seal.
|Multi-phase metering of fluid flows|
A multi-phase flow meter includes a flow conduit leading from an inlet to an outlet and including a variable inlet restriction, a variable outlet restriction, a pressure sensor and a volumetric flow meter, located between the variable inlet restriction and the variable outlet restriction. The flow meter further includes a controller adapted to receive data from the pressure sensor and the volumetric flow meter, and to adjust the variable inlet restriction and the variable outlet restriction in accordance with at least one program.
|Retrievable pressure sensor|
The present invention relates to a retrievable pressure sensor for in situ measurement of pressure in a process fluid in a pipe/chamber. The pressure sensor comprising a pressure-transferring device and an outer sensor part having a pressure sensing element attached at a distance from the pipe/chamber where the pressure is to be measured.
|Sensor with isolated diaphragm|
A sensor assembly includes a first wafer having a cavity formed therein and a second wafer bonded relative to the first wafer to form a diaphragm over the cavity. A trench is formed in the second wafer in or around the diaphragm and the trench may be filled with an isolating material to help thermally and/or electrically isolate the diaphragm.
|Detecting blood path disruption in extracorpreal blood processing|
A device monitors a blood path from a blood vessel access of a human subject through an extracorporeal blood processing apparatus and back to the blood vessel access. A pumping device in the blood path is operable to pump blood through the blood path from the blood withdrawal device to the blood return device.
|Self-calibrating pressure sensor system with pressure sensor and reference sensor that share common sealed chamber|
A self-calibrating pressure sensor system may measure the pressure of a gas or liquid. The system may include a pressure sensor, a reference sensor, and a drift compensation system.
|Refrigeration cycle device|
A refrigeration cycle device circulates a refrigerant, which is a zeotropic refrigerant mixture. In a refrigeration cycle, a compressor, a condenser, an expansion valve, and an evaporator are connected by a refrigerant pipe.
|Locating system and locating method using pressure sensor|
A locating system includes a plurality of pressure sensors, a storage unit, and an analysis unit. The pressure sensors are located at different locations under a floor of a room to sense pressures.
|System for performing remote ischemic conditioning|
A system for performing remote ischemic conditioning includes an inflatable cuff configured to encircle a limb of a subject and a controller removably attached to the cuff. The controller includes a pump; a manifold in fluid communication with the pump; a connector in fluid communication with the manifold and in removable fluid communication with the inflatable cuff; a pressure sensor; and a control circuit configured to implement a remote ischemic conditioning treatment protocol..
|Pressure sensors for small-scale applications and related methods|
Certain pressure sensor devices are much smaller than prior art devices, yet are at least as sensitive as the prior art devices. A capacitive pressure sensor can include a flexible substrate that permits bending of a pressure sensing region without significantly affecting operation thereof.
|Peristaltic pump for pumping a liquid and method for operating a peristaltic pump|
A peristaltic pump (1) for pumping a liquid comprises a flexible tube (2) for guiding the liquid to be pumped, a compression means (5) being actuatable for compressing the flexible tube (2), an upstream valve means (3) arranged in an upstream direction with respect to the compression means (5) and being actuatable to selectively open or close the flexible tube (2) upstream of the compression means (5), and a downstream valve means (4) arranged in a down-stream direction with respect to the compression means (5) and being actuatable to selectively open or close the flexible tube (2) downstream of the compression means (5). A drive shaft (6) is provided which is rotatable for periodically actuating the compression means (5), the upstream valve means (3) and the downstream valve means (4).
|Apparatus and method for reprocessing lumened instruments|
Apparatus and methods for processing an item, such as a lumened instrument, secured in a connectorless fashion in a push/pull reprocessor. The push/pull reprocessor includes a container having a first chamber and a second chamber and a pressure sensor in each chamber such that the method includes the step of generating a flow of a liquid, such as ozonated water, back-and-forth upon the item or additionally through a lumen in the case of a lumened instrument..
|Air-fuel ratio imbalance detection device for internal combustion engine|
A plurality of cylinders are provided. An in-cylinder pressure sensor is mounted on each of the plurality of cylinders.
|Systems and methods for resistive microcracked pressure sensor|
Embodiments of a resistive microcracked pressure sensor having a metal stack with a metallic conductor encapsulated within an elastomer substrate and related method of manufacture are disclosed. During manufacture, the metallic conductor forms a plurality of microcracks that increase the overall resistance of the metallic conductor.
|Water resistant aircraft pitot device|
A pitot tube system having a pitot tube containing a porous hydrophobic fabric that blocks water and contaminants from reaching a pressure sensor. The distance in the pitot tube between the fabric and a front orifice of the tube is less than 2.4 times the height of the orifice, and preferably less than or equal to 0.38 times the height.
|Polymer layer system pressure sensor device, and polymer layer system pressure sensor method|
A polymer layer system pressure sensor device includes a first polymer substrate having a first cavity and a first polymer membrane stretched over the first cavity. The first polymer membrane is configured to be deflected dependent on a pressure in the first cavity.
|Sensor control apparatus, sensor control system, and sensor control method|
A sensor control apparatus which receives from a gas sensor (10) a sensor output signal ip corresponding to the concentration of a specific gas component, and a pressure signal p output from a pressure sensor (20). The sensor control apparatus includes a computation section (38) which computes a specific component concentration which is corrected based on the pressure signal p so as to eliminate the influence of the pressure of the gas.
|In situ probe with improved diagnostics and compensation|
A process combustion transmitter is provided. The transmitter includes a process probe extendible into a flow of process combustion exhaust.
|Ventricular shunt system and method|
A ventricular shunt systems and methods of preventing hydrocephalus are described herein. In one aspect, the ventricular shunt system has at least one pressure sensor that is configured to be selectively electromagnetically coupled to an ex-vivo source of rf energy and is variable in response to the pressure in a patient's ventricle..
|Blood pressure monitoring method|
A device, system and method for monitoring blood pressure information of a user. A device is configured with at least one pressure sensor, a fastening element, and a processing component.
A device, system and method for monitoring blood pressure information of a user. A device is configured with first and second pressure sensors, a fastening element, and a processing component.
|Pressure regulating syringe and method therefor|
A pressure regulating syringe comprises a barrel assembly terminating with a tubular tip positionable in fluid communication with a fluid chamber, a plunger that is manually and axially displaceable within a barrel of the barrel assembly, a pressure sensor mounted onto the plunger adjacent to its distal end, for generating one or more electrical signals representative of a change in pressure within the fluid chamber, circuitry housed within the plunger for processing the generated signals, and a display mounted on the plunger for displaying an output indicative of the processed signals. The output is changeable upon axial displacement of the plunger when the tubular tip is positioned in fluid communication with the fluid chamber, which is for example a cuff surrounding a medical tube.
|Electronic control device|
An electronic control device has a resin case to which a circuit board having a terminal contact pad is fixed; a hydraulic unit having an electromagnetic solenoid which controls a hydraulic circuit and a pressure sensor which detects a pressure of the hydraulic circuit; a motor post having a current-carrying member which electrically connects a motor and the circuit board and extending from the resin case and inserted in the hydraulic unit; and a fixing member which is provided at the resin case and holds an outer periphery of the pressure sensor. Positioning between the pressure sensor and the terminal contact pad of the circuit board is made by the motor post inserted in the hydraulic unit and fixation of the pressure sensor by the fixing member..
|Formation testing in managed pressure drilling|
A method of testing an earth formation can include incrementally opening a choke while drilling into the formation is ceased, thereby reducing pressure in a wellbore, and detecting an influx into the wellbore due to the reducing pressure in the wellbore. Another method of testing an earth formation can include drilling into the formation, with an annulus between a drill string and a wellbore being pressure isolated from atmosphere, then incrementally opening a choke while drilling is ceased, thereby reducing pressure in the wellbore, detecting an influx into the wellbore due to the reducing pressure in the wellbore, and determining approximate formation pore pressure as pressure in the wellbore when the influx is detected.
|Fuel system with leakage detection means|
A method is provided for detecting a leakage in a fuel supply system of an internal combustion engine. The fuel supply system includes a fuel line system with fuel line sections and a pressure monitoring system with monitoring segments, a set of valves, and a pressure sensor.
|Control device for turbocharged diesel engine|
An object of the invention is to satisfy various constraints associated with supercharging pressure control even during transitional operation in a turbocharged diesel engine of which a supercharging pressure is actively controllable through operation of an actuator. The control device calculates a steady target value that is a target value of the supercharging pressure during steady operation on the basis of an engine rotation speed and a fuel injection amount, and operates the actuator through feedback control such that an actual supercharging pressure calculated from a signal of a supercharging pressure sensor is brought close to the steady target value.
|Power regeneration device for working machine and working machine|
In a lowering operation of a boom, the amount of operation of a control lever is detected by a pressure sensor and input to a controller. Based on the input operation amount, the controller obtains a target flow rate q0 of return oil discharged from a boom cylinder, calculates a deviation Δq between the target flow rate q0 and an actual flow rate q obtained from an actual rotation speed n of an electric motor acquired by a rotation speed sensor, calculates a signal sm for controlling the opening area of a proportional solenoid valve in a manner allowing hydraulic fluid to flow to a control valve in just as much as Δq, and controls an operation pilot pressure of the control valve supplied from a sub-pump in accordance with the signal sm so that the hydraulic fluid will flow to the control valve exactly in the amount of Δq..
|Apparatus and method for learning filling parameters for a clutch|
A method and a device for calibrating a wet clutch is provided. The clutch comprises a pump, a piston, a proportional valve, a controller, and a pressure sensor.
A fuel cell vehicle is provided that can perform communicative filling only in a case in which it is possible to perform communicative filling appropriately. The vehicle includes: a pressure sensor and temperature sensor; a communication system that transmits data signals generated based on the outputs of these sensors; a battery; a lidded box that protects a hydrogen feed port; a lid switch; and a communicative filling ecu that activates the communication system after the lid has been opened.
|Autonomous thermal event control and monitoring system for a network vault|
An autonomous thermal event control and monitoring system includes a processor component having an enclosure, a processor within the enclosure, a routine, a number of inputs from the processor, and a plurality of inputs to and a plurality of outputs from the processor for each of a plurality of feeders. The system also includes a human machine interface communicating with the processor.
|Systems and methods for damper performance diagnostics|
A computerized method for diagnosing a damper condition in a flow control unit includes providing a control signal to a damper. The control signal instructs the damper to move into a target position or to achieve a target flow rate through the flow control unit.
|System and method for verifying alignment of drug pump and fluid supply|
A patient care system is configured for infusing fluid to a patient. The system includes a plurality of fluid infusion pumps, each of which is connected to a respective fluid supply for pumping the contents of a fluid supply to a patient via fluid supply lines.
|Detection of infusion pump conditions|
An ambulatory infusion system and a method of operating including a disposable infusion cartridge having a collapsible reservoir and a substantially rigid shell disposed over the collapsible reservoir having an interior volume, a pump device, a pressure sensor in communication with the interior volume and a processor. The method includes actuating the pressure sensor to take pressure measurements at regular time intervals; periodically assessing a preselected number of the pressure measurements with statistical analysis to identify statistical measures associated with the pressure measurements; and using the statistical measures to assess the status of the flexible reservoir and the pump device..
|Air pump for use in intermittent pneumatic compression therapy having a digital display|
A digital display air pump includes a rectangular, box-shaped body having a standard ac power cord extending from it, two air supply output ports, and a control and information panel located on its front side with user-operated buttons, a digital display for showing air pressure and alarm codes, a variable air pressure set dial, and status lights. Within the hollow interior of the body is an air compressor, a dual-output electromechanical valve having to two air output tubes, an air pressure sensor, an ac power connection, an internal loudspeaker, and an electronic circuit board controlling the digital display air pump's function.
|Compact mini air pump for use in intermittent pneumatic compression therapy|
A compact mini air pump includes a rectangular, box-shaped body having a standard ac power cord extending from it, two air supply output ports, and a control and information panel with user-operated buttons and status lights located on its front side. Within the hollow interior of the body is an air compressor, a dual-output electromechanical valve having to two air output tubes, an air pressure sensor, a dc battery power supply, an ac power connection, and an electronic circuit board controlling the mini air pump's function.
|Portable micro air pump for use in intermittent pneumatic compression therapy|
A portable micro air pump includes a body, an air output port and a quick-disconnect air tube connector. The body is hand-sized, and has a user control and information panel with a power on/off button switch and a button switch for choosing which type of therapy garment is to be utilized, limb or foot.
|Wireless footswitch and functional electrical stimulation apparatus|
A shoe insole has a cavity configured to provide an internal pocket open to a face of said insole, conveniently the lower face, the cavity having a length greater than its width and being directed generally along the length of the insole. A segmented structure is slideably insertable into said cavity within it is removably retained, the segments being disposed along the cavity and housing a pressure sensor, sensor state monitoring circuits, a wireless transceiver and a battery, adjacent segments being electrically connected together and hinged together by pairs of laterally spaced connector bars each mechanically connected together by links configured to maintaining the spacing between segments while permitting flexion between adjacent segments under loads encountered during walking..
|Body-worn system for measuring continuous non-invasive blood pressure (cnibp)|
The present invention provides a technique for continuous measurement of blood pressure based on pulse transit time and which does not require any external calibration. This technique, referred to herein as the ‘composite method’, is carried out with a body-worn monitor that measures blood pressure and other vital signs, and wirelessly transmits them to a remote monitor.
|Intravascular pressure sensor calibration|
The invention is a method for calibrating an intravascular pressure sensor at the point of use. By using data from a secondary pressure measurement device, e.g., an automated aortic pressure monitor, the pressure sensor can be easily calibrated over a range of temperatures and pressures relevant to the patient.
|Pressure sensing guidewire|
Medical devices and methods for making and using medical devices are disclosed. An example medical device includes a pressure sensing guidewire.
|Patient interface system|
A patient interface system for scanning a volume of tissue protruding from a patient, the system comprising: a base including a planar portion configured to support the patient in a prone configuration, and a frustoconical portion extending from the planar portion and defining a base aperture configured to receive the volume of tissue; and a support assembly configured to couple to the base, including a frame and a membrane retained in tension within the frame at a peripheral portion of the membrane, wherein the membrane defines a membrane aperture configured to align with the base aperture, and wherein the membrane is configured to deflect into the frustoconical portion of the base in response to the patient's weight. The system can further include an electrical subsystem including a pressure sensor array configured to generate signals in response to a pressure distribution resulting from the patient's weight at the patient interface system..
|Imaging guidewire with pressure sensing|
An intravascular element, for example a guidewire, configured for pressure measurements and imaging within a patient. In an embodiment, the invention uses a system of optical fibers and photoabsorptive and/or photoreflective materials to make intravascular ultrasound (ivus) measurements.
Systems and methods for the diagnosis of chronic pain are disclosed. An algometer comprising a pressure sensor and electrode is disclosed.
|Method and system for using tri-modal sensor|
In some embodiments, the present disclosure relates to a medical device system, comprising: a medical device capable of receiving a plurality of body signal types, wherein the body signal types comprise an electrical body signal, a temperature body signal, or a pressure body signal; and an electrode operatively coupled to the medical device, the electrode capable of sensing a plurality of body signal types, wherein the body signal types comprise an electrical body signal, a temperature body signal, or a pressure body signal; the electrode comprising: an electrical sensor; a temperature sensor; and a pressure sensor.. .
|Instrument skill instruction and training system|
Technology is described for a system to provide skill training in various fields, including professional fields involving hand-held instruments. The system senses a user's manipulation of an instrument or tool using various sensors, e.g., for a dental tool, an array of pressure sensors in the tool's tip, grip sensors, and sensors to track the position and movement of the tool.
|Fire pump controller configured to control pressure maintenance in sprinkler systems|
Example devices, systems, and methods disclosed herein relate to a controller configured to control pressure maintenance in a fire protection system. A controller may be configured to control a fire pump to provide a first level of water pressure and to control operation of a jockey pump that is coupled in parallel with the fire pump to provide a second level of water pressure that is less than the first level.
|Back pressure relief motor control for a non-bleeder turbine style hvlp spray gun|
A high volume low pressure (hvlp) turbine assembly includes a housing having a turbine which includes a turbine fan rotatable within a turbine casing. A microcontroller is disposed within the housing, where the microcontroller controls a speed of an electric motor powering the turbine fan.
|System and method of automatic feeder stack management|
Embodiments of a system and method for singulating articles in an automatic stack feeder are disclosed. The automatic stack feeder may comprise a pressure sensor on a perforated drive belt assembly configured to sense the pressure exerted by a stack of articles.
|Capillary action fiber sensor|
The present invention relates to optical fiber pressure sensors. In one embodiment, liquid pressure of an environment may be measured based on capillary action occurring within an optical fiber having one or more hollow columns within.
|Systems and methods for microbubble generation in a liquid-filled display|
This disclosure provides systems, methods and apparatus for a display including a fluid-filled cavity. The display can include a plurality of light modulators, and a viewable portion and a non-viewable portion.
|Apparatus to sense stylus nib pressures|
A stylus has a stylus barrel and a stylus nib that can move with respect to the stylus barrel. A first pressure sensor is configured to sense air pressure that corresponds to force being supplied to the stylus nib and a second pressure sensor serves to sense ambient air pressure.
|Input differentiation for touch computing devices|
Methods for differentiating touch inputs are disclosed. A method detects a touch input by receiving contact at a computing device's touch surface and identifies whether the touch input was received from a stylus based on additional input received from the stylus.
|Pneumatic sensing apparatus|
A pneumatic sensing apparatus for use in an overheat or fire alarm system comprising a sensing assembly that comprises a sensing means 51, 61, 71, containing a pressurized gas, coupled to a pressure sensor 52, 62, 72. The pressure sensor 52, 62, 72, is configured to produce a signal that is indicative of the gas pressure.
|System and method for polymer extrusion|
Techniques are provided for polymer extrusion. A polyolefin extrusion system may include an extrusion gear pump configured to receive a narrow molecular weight distribution polyolefin from a polyolefin manufacturing system.
|Mems integrated pressure sensor and microphone devices and methods of forming same|
A method embodiment for forming a micro-electromechanical (mems) device includes providing a mems wafer, wherein a portion of the mems wafer is patterned to provide a first membrane for a microphone device and a second membrane for a pressure sensor device. A carrier wafer is bonded to the mems wafer, and the carrier wafer is etched to expose the first membrane for the microphone device to an ambient environment.
|Monolithically integrated multi-sensor device on a semiconductor substrate and method therefor|
An integrated circuit having an indirect sensor and a direct sensor formed on a common semiconductor substrate is disclosed. The direct sensor requires the parameter being measured to be directly applied to the direct sensor.
|Mems pressure sensor and microphone devices having through-vias and methods of forming same|
A method embodiment includes providing a mems wafer. A portion of the mems wafer is patterned to provide a first membrane for a microphone device and a second membrane for a pressure sensor device.
|Mems integrated pressure sensor devices and methods of forming same|
A method embodiment includes providing a micro-electromechanical (mems) wafer including a polysilicon layer having a first and a second portion. A carrier wafer is bonded to a first surface of the mems wafer.