Temperature compensated miniature pressure sensor

Details Temperature compensated miniature pressure sensor Temperature compensated miniature pressure sensor

2008-09-21

2010-12-21

Caputo, Lisa M (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

C073S708000, C073S715000, C073S716000, C073S754000

Reexamination Certificate

active

07854171

ABSTRACT:
The present invention relates to a temperature-compensated pressure sensor assembly for fitting within the valve stem of a vehicle tire. The assembly includes a substrate assembly defining a plurality of holes. A pressure sensor is mounted to the substrate assembly. The pressure sensor includes a first deflectable membrane defining a first chamber and a first cap mounted to the membrane to form a second chamber. A temperature compensation sensor is mounted to the substrate assembly. The temperature compensation sensor includes a second deflectable membrane mounted to the substrate assembly to define a third chamber and a second cap mounted to the other membrane to form a fourth chamber.

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