G01L19/0092

Total pressure and total temperature measurement in wet gas condition

A probe for the measurement of the total pressure or temperature of a two phase wet gas flow is also disclosed. Embodiments provide a stem, a tip on the top of the stem, a cup serving as a shield is formed in the tip, a at least one tube or thermal element positioned within the cup serving as a measuring device for the incoming wet gas flow; at least one hole which passes through at least one wall of the cup; and a pressure changing device configured to accelerate the wet gas flowing around the cup. A method and system for the measurement of the total pressure or temperature of a two phase wet gas flow is also disclosed.

Monolithic MEMS platform for integrated pressure, temperature, and gas sensor

The present disclosure is directed to a monolithic MEMS (micro-electromechanical system) platform having a temperature sensor, a pressure sensor and a gas sensor, and an associated method of formation. In some embodiments, the MEMS platform includes a semiconductor substrate having one or more transistor devices and a temperature sensor. A dielectric layer is disposed over the semiconductor substrate. A cavity is disposed within an upper surface of the dielectric layer. A MEMS substrate is arranged onto the upper surface of the dielectric layer and has a first section and a second section. A pressure sensor has a first pressure sensor electrode that is vertically separated by the cavity from a second pressure sensor electrode within the first section of a MEMS substrate. A gas sensor has a polymer disposed between a first gas sensor electrode within the second section of a MEMS substrate and a second gas sensor electrode.

Air data probe contamination monitor
09842439 · 2017-12-12 · ·

An aircraft air data probe contamination monitor includes at least two air data sensor probes, a first probe located on one side of the aircraft, a second probe located on an opposite side of the aircraft, each probe being operable to generate a parameter value from an airflow passing the in-flight aircraft. The monitor also includes a processor operable to compare the generated parameter value from the first probe to the generated parameter value from the second probe to determine if one of the first probe and the second probe is contaminated.

Sensor for detecting a temperature and a pressure of a fluid medium
09841335 · 2017-12-12 ·

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. The activation and/or evaluation circuit is situated on a circuit carrier. The activation and/or evaluation circuit is connected to the temperature sensor and the pressure sensor element. The temperature sensor has at least one connecting line including a connecting section for connecting to the activation and/or evaluation circuit. The circuit carrier has one recess. The connecting section is angled toward the connecting lines. The connecting section protrudes through the recess for connecting to the activation and/or evaluation circuit.

Tire information acquisition device having a heat-insulating material
11680861 · 2023-06-20 · ·

Provided is a tire information acquisition device. A sensor unit substrate on which a sensor for acquiring tire information and a power supply unit for supplying electric power to the sensor are disposed is provided, and a heat-insulating material is disposed at at least a periphery of the power supply unit.

Sensor Arrangement

A sensor arrangement includes a substrate having a through opening between a first and a second main surface region, a sound transducing portion at the first main surface region of the substrate and spanning the through opening in the substrate, and a pressure sensing portion at the first main surface region of the substrate and fluidically coupled to the through opening in the substrate. The sound transducing portion includes a deflectable membrane structure, and a counter electrode. The pressure sensing portion includes a first and second rigid electrode and a deflectable membrane structure. The deflectable membrane structure of the pressure sensing portion opposes the plane of the first main surface region of the substrate. The first and second rigid electrodes of the pressure sensor form a reference capacitor of the pressure sensor, and the second rigid electrode and the membrane structure form a sense capacitor of the pressure sensor.

MULTIFUNCTION MAGNETIC AND PIEZORESISTIVE MEMS PRESSURE SENSOR
20230189654 · 2023-06-15 ·

Aspects of the subject disclosure include a pressure-sensing device consisting of a housing including a membrane and one or more piezoresistive elements disposed on the membrane to sense a displacement due to a deflection of the membrane. A first set of electrodes is disposed over the membrane, and a second set of electrodes is disposed on a permeable port of the device at a distance from the membrane. The first and second sets of electrodes form an electrostatic actuator to exert a repulsive force onto the membrane to reduce the deflection of the membrane.

DEVICE FOR MEASURING RELATIVE HEIGHTS AND INCLINATION SENSOR

An inclination sensor for determining an angle of inclination relative to the gravitational vector comprising a fluid container and a first pressure sensor pair having a first and a second pressure sensor arranged in an edge region of the fluid container such that they are connected to each other by the connecting fluid and have a fixed and defined positional relation to each other. The first and the second pressure sensor are each configured to measure a hydrostatic pressure in the connecting fluid. A processor is configured to determine a relative height (h) in the direction of gravity between the first and the second pressure sensor based on the hydrostatic pressures measured, and to determine an angle of inclination with respect to the gravitational vector based on the determined relative height (h) and the known fixed locations of the pressure sensors within the fluid container.

PRESSURE SENSING DEVICE HAVING TEMPERATURE SENSOR

Disclosed is a pressure detecting device having a temperature sensor, the device including: a housing having a first chamber, a second chamber, and a port part having a fluid guide tube that guides a pressure transmitting fluid to the second chamber; a lead frame coupled to the housing and configured for being connected to an external device; a circuit substrate electrically connected to the lead frame and including a first surface and a second surface; a pressure detecting element provided on the second surface of the circuit substrate and generating an electrical signal according to a pressure change; a tube coupled to the port part, whereby a first end of the tube is open and provided inside the first chamber; and a temperature detecting element provided inside the tube and transmitting an electrical signal generated according to a temperature change to the circuit substrate.

RECEIVER SURGE TEST TOOL ASSEMBLY, SYSTEM, AND METHOD

A receiver surge test tool (STT) assembly, system and method for receiver surge pressure testing. The receiver STT assembly has a receiver surge test tool (STT) configured to simulate surge pressure conditions of a receiver aircraft, and to measure one or more surge pressures generated when receiving a fuel flow of fuel from a refueling source during the receiver surge pressure testing that is ground based. The receiver STT has a pipe manifold structure with inlet port(s), outlet port(s), and one or more flow lines disposed therebetween. Each flow line includes a flow meter, a pressure transducer, a shutoff valve having varying valve close rates, and a manual back pressure valve. The receiver STT assembly has a control system for controlling open and close positions of the shutoff valve, and the receiver STT, and has a data system for collecting and recording data generated during the receiver surge pressure testing.