Variable capacitance pressure transducer

Details Variable capacitance pressure transducer Variable capacitance pressure transducer

1983-04-28

1985-02-19

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73724, 73756, 361283, G01L 912, H01G 700

Patent

active

044997736

ABSTRACT:
A capacitance type pressure transducer having a removable capacitor plate formed of a ceramic substrate containing a conductive film spaced in a controlled relation opposite a tensioned metal membrane. For precluding temperature induced differential forces from adversely affecting transducer accuracy, the controlled relation between the capacitor plate and metal membrane is maintained by a plurality of flexure pins of selective deflection properties securing the assembled spacing therebetween.

REFERENCES:
patent: 2368278 (1945-01-01), Warshaw
patent: 2667786 (1954-02-01), Spaulding
patent: 3195028 (1965-07-01), Werner et al.
patent: 3479879 (1969-11-01), Music
patent: 3557621 (1971-01-01), Ferran
patent: 4168517 (1979-09-01), Lee

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