G01L11/002

Threshold sensor with RFID communication ability

A motor casing and a combination of a motor casing and a plug connection, the motor casing being designed for a drive of movable components of a vehicle, in particular sunroofs, blinds or roofs of convertible. A plug is inserted in the motor casing and a gap is provided between the motor casing and the plug connection. According to the disclosure, at least one projection is provided in the area of the gap and avoids play between the motor casing and the plug connection.

HEAT-LOSS PRESSURE MICROSENSORS
20230131448 · 2023-04-27 ·

A heat-loss pressure microsensor for measuring a gas pressure is disclosed that includes a plurality of pressure gauges arranged proximate to one another on a substrate. The gauges may include a pair of gauges, each gauge including a thermistor having an electrical resistance that varies with its temperature, the thermistor's temperature being responsive to the gas pressure, a platform to receive the thermistor, and a support structure to hold the platform above the substrate. Each gauge may be configured to produce a gauge output signal related to the electrical resistance of its thermistor. The two gauges are configured with their platforms having equal nominal perimeters and different nominal surface areas, and their support structures having the same nominal geometry. A differential signal may be obtained from the two gauge output signals. The differential signal conveys information about the gas pressure and exhibits reduced sensitivity to fabrication-related dimensional variations.

PRESSURE CHANGE MEASUREMENT DEVICE, ALTITUDE MEASUREMENT DEVICE, AND PRESSURE CHANGE MEASUREMENT METHOD

The present invention provides a pressure change measuring apparatus and a pressure change measuring method, which are capable of detecting a change in pressure to be measured with respect to a time axis with high accuracy. Specifically, a reference value setting unit (60) included in a pressure change measuring apparatus (1) is configured to generate a reference value signal based on an output signal of a differential pressure measuring cantilever (4) under a predetermined state, and to output the reference value signal. An arithmetic processing unit (30) is configured to calculate the pressure change in pressure to be measured based on the output signal, the reference value signal, a volume of a cavity (10), a flowing quantity of a pressure transmission medium flowing into and out of the cavity (10) for every unit of a predetermined time period, and the like.

ELECTRONIC DEVICES, METHODS, AND PROGRAM PRODUCTS FOR DETERMINING AN ATMOSPHERIC PRESSURE
20170280586 · 2017-09-28 ·

Devices, methods, and program products for determining an atmospheric pressure are disclosed. One electronic device includes a fan that dissipates heat. The fan rotates at a rotation speed. The electronic device also includes a heat source. The electronic device includes a calculation unit that determines an atmospheric pressure at a location of the electronic device. The electronic device also includes a first temperature sensor that senses an ambient temperature and sends first information corresponding to the ambient temperature to the calculation unit. The electronic device includes a second temperature sensor that senses a temperature of the heat source and sends second information corresponding to the temperature of the heat source to the calculation unit. The calculation unit determines the atmospheric pressure based on the first information, the second information, and the rotation speed of the fan.

THRESHOLD SENSOR WITH RFID COMMUNICATION ABILITY

A motor casing and a combination of a motor casing and a plug connection, the motor casing being designed for a drive of movable components of a vehicle, in particular sunroofs, blinds or roofs of convertible. A plug is inserted in the motor casing and a gap is provided between the motor casing and the plug connection. According to the disclosure, at least one projection is provided in the area of the gap and avoids play between the motor casing and the plug connection.

Compact pressure and flow sensors for very high temperature and corrosive fluids

Heat resistant sensors equipped with any of a variety of transducers for measuring any of a variety of properties of fluids are constructed with components comprising materials that can withstand very high temperatures. Some embodiments of the sensors include a first pressure sensitive element and a second pressure sensitive element with respective first and second membranes positioned in juxtaposed relation to each other to form a capacitor. Some embodiments include a pusher that extends from the membrane toward a first electrode. Some embodiments have a housing comprising a ceramic substrate with a sensor element mounted on an inside surface of the substrate. Other embodiments have direction sensing capabilities including a heater positioned in a core material and at least three temperature sensors located at or near the peripheral surface of the core material and spaced apart angularly in relation to each other.

Thermal Conductivity Gauge
20220155172 · 2022-05-19 ·

A Process Critical Thermal Conductivity Gauge (PCTCG) instrument relies on gauge chamber wall above-ambient-temperature-control (AATC) to provide improved accuracy and thermal stability with reduced and linearized temperature coefficients. A sensor resistor is exposed to gas pressure in a gauge chamber. AATC is provided by control of a heater that heats a chamber wall to control temperature difference between the sensor resistor and chamber wall. An example application of this technology is to end-point detection in lyophilization where the TCG is used to track partial pressures of water in binary gas mixtures.

VACUUM INSULATOR AND SYSTEM FOR TESTING THE SAME

A vacuum insulator (10) includes: a core (13); a pressure sensor (51) that detects a pressure; a transmitter (52) that transmits, by wireless communication, the detected pressure detected by the pressure sensor (51); a power feeder (53) that feeds electric power to the pressure sensor (51) and the transmitter (52); and an outer skin (14), an inside of which is decompressed, the outer skin (14) accommodating therein the core (13), the pressure sensor (51), the transmitter (52), and the power feeder (53), the outer skin (14) having gas barrier capability.

Heat-loss pressure microsensors

A heat-loss pressure microsensor for measuring a gas pressure is disclosed that includes a plurality of pressure gauges arranged proximate to one another on a substrate. The gauges may include a pair of gauges, each gauge including a thermistor having an electrical resistance that varies with its temperature, the thermistor's temperature being responsive to the gas pressure, a platform to receive the thermistor, and a support structure to hold the platform above the substrate. Each gauge may be configured to produce a gauge output signal related to the electrical resistance of its thermistor. The two gauges are configured with their platforms having equal nominal perimeters and different nominal surface areas, and their support structures having the same nominal geometry. A differential signal may be obtained from the two gauge output signals. The differential signal conveys information about the gas pressure and exhibits reduced sensitivity to fabrication-related dimensional variations.

Thermal conductivity pressure gauge with heated chamber wall

A Process Critical Thermal Conductivity Gauge (PCTCG) instrument relies on gauge chamber wall above-ambient-temperature-control (AATC) to provide improved accuracy and thermal stability with reduced and linearized temperature coefficients. A sensor resistor is exposed to gas pressure in a gauge chamber. AATC is provided by control of a heater that heats a chamber wall to control temperature difference between the sensor resistor and chamber wall. An example application of this technology is to end-point detection in lyophilization where the TCG is used to track partial pressures of water in binary gas mixtures.