Piezoelectric pressure sensor containing pre-stressed...

Details Piezoelectric pressure sensor containing pre-stressed... Piezoelectric pressure sensor containing pre-stressed...

2007-04-13

2010-06-01

Caputo, Lisa M (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

Reexamination Certificate

active

07726196

ABSTRACT:
The invention relates to a piezoelectric pressure sensor comprising piezoelectric measuring elements located in a housing, which are pre-stressed between the housing base and a membrane provided at the pressured side of the housing. According to the invention the piezoelectric measuring elements are placed on the outside of a pre-stressing element, which is located essentially along the longitudinal axis of the sensor.

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