Sensor for sensing temperature adjusted fluid pressure

Details Sensor for sensing temperature adjusted fluid pressure Sensor for sensing temperature adjusted fluid pressure

2007-02-06

2007-02-06

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

C073S715000, C073S716000

Reexamination Certificate

active

11446238

ABSTRACT:
A pressure sensor is provided incorporating a first chamber having a first flexible membrane exposed to fluid pressure and configured to deflect in response to changes in the fluid pressure and temperature within the first chamber, a second chamber having a second flexible membrane sealed from the fluid pressure and configured to deflect in response to changes in temperature within the second chamber, and associated circuitry for comparing the deflection of the first and second membranes to sense the fluid pressure.

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