SPAN LINE PRESSURE EFFECT COMPENSATION FOR DIAPHRAGM PRESSURE SENSOR

SPAN LINE PRESSURE EFFECT COMPENSATION FOR DIAPHRAGM PRESSURE SENSOR

A differential pressure sensor for sensing a differential pressure of a process fluid, includes a sensor body having a sensor cavity formed therein with a cavity profile. A diaphragm in the sensor cavity deflects in response to an applied differential pressure. The diaphragm has a diaphragm profile....

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1. Verfasser: WILLCOX, Charles Ray
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
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creator WILLCOX, Charles Ray
description A differential pressure sensor for sensing a differential pressure of a process fluid, includes a sensor body having a sensor cavity formed therein with a cavity profile. A diaphragm in the sensor cavity deflects in response to an applied differential pressure. The diaphragm has a diaphragm profile. A gap formed between the cavity profile and the diaphragm profile changes as a function of the differential pressure. At least one of the cavity profile and diaphragm profile changes as a function of a line pressure to compensate for changes in the gap due to deformation of the sensor body from the line pressure.
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subjects MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
title SPAN LINE PRESSURE EFFECT COMPENSATION FOR DIAPHRAGM PRESSURE SENSOR
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