Abstract: The invention relates to a pressure sensor (1) comprising a housing (2) and a chamber (3, 31, 32) which is closed off from the exterior and filled with a fluid medium (5, 51, 52). At least one compressible element (6, 7) for overpressure protection is arranged inside the chamber (3, 31, 32).

Abstract: Some aspects of the present disclosure relate to a sensor design that exploits the different majority carriers (holes/electrons) in WO3 and Cr2O3 to build sensitivity and selectivity to NO at ppb levels, while discriminating against CO at concentrations a thousand-fold higher (ppm) and spread over a considerable range (0-20 ppm). Practical application of this sensor system for detecting NO in human breath is demonstrated.

Abstract: A microelectromechanical gyroscope having a supporting structure; a mass capacitively coupled to the supporting structure and movable with a first degree of freedom and a second degree of freedom, in response to rotations of the supporting structure about an axis; driving components, for keeping the mass in oscillation according to the first degree of freedom; a read interface for detecting transduction signals indicating the capacitive coupling between the mass and the supporting structure; and capacitive compensation modules for modifying the capacitive coupling between the mass and the supporting structure. Calibration components detect systematic errors from the transduction signals and modify the capacitive compensation modules as a function of the transduction signals so as to attenuate the systematic errors.

Abstract: In one embodiment, a pressure sensor assembly includes an accelerometer configured to produce a first current upon movement of the accelerometer, a capacitor configured to receive the first current thereby charging the capacitor, a gate element operably connected to the capacitor and configured to discharge a second current from the capacitor upon the capacitor attaining a threshold voltage, a pressure sensor configured to receive the discharged current to produce a first signal corresponding to at least one pressure reading of the pressure sensor, and a transmitter operably connected to the pressure sensor and configured to transmit a second signal based upon the first signal to an external device configured to store data corresponding to the second signal.

Abstract: A system and corresponding method for testing fire pumps installed in buildings uses a sensor hub to gather measurement data from one or more pressure sensors installed in corresponding water conduits. The sensor hub broadcasts data related to water flow at the water conduit or conduits to a computer where the information from the sensors is converted to a total water flow through all water conduits. The total water flow is combined with other data about pump operation to determine whether the pump is operating within predetermined requirements. The computer may also analyze a photograph of a placard on the pump to determine model and other operating information from the pump.

Abstract: The invention relates to a burst pressure monitoring device intended to be employed in a pressure transmitter (1), said pressure transmitter comprising a body (10), an inlet duct (11) formed on the body and intended to receive a fluid, a sensor member on which the inlet duct emerges, said sensor member being intended to measure a pressure and to deliver an output electrical signal representative of the measured pressure, said burst pressure monitoring device being intended to be positioned inside the inlet duct (11) of the pressure transmitter (1) and comprising two parts (21a, 21b) assembled together, the two assembled parts forming an internal fluid flow channel (22) comprising one or more successive chicanes (220).

Abstract: A fluid monitoring apparatus to simultaneously detect the temperature and level of fluid within a container includes a translucent tube with a proximal end, a distal end, an aperture within the wall of the tube proximate the proximal end of the tube, the distal end able to extend into the fluid container, a thermocouple secured within the tube and tethered via a wire disposable through the aperture in the tube wall, the wire including a first end secured to the thermocouple and a second end secured to a display device to display the temperature of the fluid, and a cap secured to the proximal end of the tube to create a pressure within the tube sufficient to cause the fluid that fills the distal end of the tube to remain in the tube, thereby permitting a user to determine the fluid level of the container.

Abstract: A level detector mounts to a tank containing a liquid. The detector transmits and receives ultrasonic pulses. The pulses are processed by a microprocessor which periodically measures the liquid level of the tank. When the liquid level reaches a pre-established level, a cell phone automatically transmits data to a remote location. A schedule for emptying the tank is generated by a server at the remote location. A service man uses the schedule to visit the tank location and empty the tank. In addition, a portable charger/calibrator is mounted to the level detector to charge the power supply of the detector and calibrate the liquid level.

Abstract: A subsea retrievable pressure sensor for measuring fluid pressure at a well or other subsea fluid system. In one embodiment, a pressure sensor assembly includes a subsea pressure housing, a first pressure sensor, an electrical connector, a first hydraulic connector, and a latching mechanism. The first pressure sensor is disposed within the housing, and the electrical connector and first hydraulic connector are disposed in wall of the housing. The electrical connector is electrically coupled to the first pressure sensor to communicate electrical power though the housing to the first pressure sensor and to communicate pressure measurement values from the first pressure sensor through the housing. The first hydraulic connector is hydraulically coupled to the first pressure sensor to communicate hydraulic pressure to the first pressure sensor through the housing. The latching mechanism extends through the housing to secure the housing to a subsea receptacle.

Abstract: A power device temperature monitor is provided. The power device temperature monitor includes a power device having a control terminal and an output terminal, where the output terminal is configured to output a current as directed by a voltage of the control terminal. The power device temperature monitor includes an inductor coupled to the output terminal of the power device and an amplifier coupled to the inductor. The power device temperature monitor includes a computing device that receives an output of the amplifier, the computing device is configured to derive a temperature of the power device based upon the output of the amplifier.

Abstract: A pressure sensor is used to automatically calculate physical parameters of a tire, for example, groove area fraction or shoulder center ratio. In one approach, a pressure sensor measures the pressure distribution produced by a tire when a known load is applied to the tire while it is resting on or traversing the pressure sensor. The resulting pressure map corresponds to tread area and features of the tread contact area.

Abstract: A analog integrated sensor device has an interface with only a single ground line and a single signal line configured to receive power and output an analog value. A power capacitor is coupled between the ground line and the single signal line. An analog sensor circuitry is operable to be powered by the power capacitor and further operable to output an analog output signal on the single signal line once the power capacitor has bee charged sufficiently.

Abstract: According to one embodiment, a pressure sensor includes a substrate, a first electrode, a second electrode, a first magnetic layer, a second magnetic, a spacer layer, a third magnetic layer. The substrate includes a first region and a second region. The first electrode is provided on the first region. The second electrode is provided on the first electrode. The first magnetic layer is provided between the first electrode and the second electrode. The second magnetic layer is provided between the first electrode and the first magnetic layer or between the first magnetic layer and the second electrode. The spacer layer is provided between the first magnetic layer and the second magnetic layer in a stacking direction of layers from the first electrode to the second electrode. The third magnetic layer is provided continuously with the second magnetic layer on the second region.

Abstract: A sensor for a fill level measuring device for determining the fill level in a container by determining the delay time of high-frequency signals, comprising a main reflector having an edge region and an inner region, a sub reflector, which is connected to the edge region of the main reflector via a radome, an inner space, which is encompassed by the radome and the main reflector, and a hollow waveguide which is connected to the main reflector and has a front end, which is oriented toward the sub reflector for coupling electromagnetic waves in and/or out, wherein the radome and the sub reflector are embodied as integral or unitary in formation.

Abstract: A weathervane includes a vane and a wind direction display roller. Driven by wind force, the vane rotates the display roller through a motion transfer system. The display roller includes a plurality of wind direction indicators. The weathervane further includes a housing that receives the display roller. The housing includes an opening through which one or more direction indicators are visible.

Abstract: The invention concerns a device for measuring the pressure of a fluid carried in a conduit. The device comprises a first electrode, a second electrode, a nanoassembly of conductive or semi-conductive nanoparticles in contact with the two electrodes, and a measurement device. The measurement device provides proportional information with respect to an electrical property of the nanoassembly. The electrical property is measured between the first and second electrode, and the electrical property is sensitive to the distance between the nanoparticles of the nanoassembly. The nanoassembly is mechanically linked to a flexible substrate having a mechanical linkage with the fluid carried in the conduit such that the distances between the nanoparticles of the nanoassembly are modified by a pressure variation in the fluid.

Abstract: A method of operation analysis of operation of a plurality of sump pumps located at various, separate locations. A plurality of sensors are respectively associated therewith. Each sensor sensing at least one operation condition. A plurality of location communication devices are respectively associated therewith. A master communicating device is located away from the separate locations. The communicated information is received at the master communicating device. The received communicated information is stored in memory. At least one benchmark value is determined concerning an operating condition utilizing the received information for each of the plurality of sump pumps. The received information for each of the sump pumps is compared to the benchmark value. Each sump pumps based is classified based upon each respective comparison.

Abstract: The subject matter disclosed in this specification pertains to a method for detecting cells with elastic cell membranes. A plurality of cells are fixed to an impedimetric transducer and osmotic stress is applied. Those cells with elastic membranes, including cancer cells, undergo a volume change which is detected by the impedimetric transducer.

Abstract: The reusable energy absorbing lab seat 10 includes a seat bucket for holding an anthropomorphic test device, a seat support structure, an energy absorbing system, a false floor structure, and a fail-safe system. The seat support structure is for securing the seat bucket to a sled that corresponds to a horizontal accelerator. The energy absorbing system is for absorbing energy imposed by the horizontal accelerator on the seat bucket and the anthropomorphic test device. The false floor structure is for simulating a real floor of a vehicle or aircraft. The fail-safe system is for reducing damage to the reusable energy absorbing seat, the anthropomorphic test device, and lab facilities in case the energy absorbing system fails.

Abstract: An overmolded pressure sensor package is provided. The pressure sensor die (Pcell) is capped so that the Pcell has enhanced rigidity to withstand stress effects produced by the molding encapsulant. The Pcell cap includes a hole located away from the Pcell diaphragm, so that external gas pressure can be experienced by the Pcell, while at the same time directing moisture away from the diaphragm. Gel does not need to be used, and instead a soft film can be deposited on the Pcell to protect the Pcell diaphragm from excess moisture, if needed. The Pcell cap can take the form of, for example, a dummy silicon wafer or a functional ASIC.