Borgwarner Inc.

George E Kochanek

Rodney E Barr

Vance D Browne

A capacitive sensor for use in the measurement of pressure or pressure changes of a fluid medium which sensor maintains the capacitor electrodes in a substantially parallel relationship. Maintenance of this parallel relationship provides a substantially linear capacitive output over a given range without further electronic buffering or calibration. The capacitive signal may be enhanced or amplified by use of multiple parallel plates which are movable simultaneously with deflection of the flexible diaphragm.

Capacitive pressure sensor

A housing for a capacitive pressure sensor generally utilized to measure fluid pressure. A metallic housing for a ceramic diaphragm provides greater flexural strength to compensate for the differences in the thermal expansion and bulk modulus of elasticity of such ceramic diaphragm and metal housing.

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Glen Ellyn, IL, United States of America

George E Kochanek