Capacitance transducer

Details Capacitance transducer Capacitance transducer

1986-02-25

1987-09-08

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73724, 361283, G01L 708, G01L 912, G01L 1904

Patent

active

046915745

ABSTRACT:
A capacitance transducer construction for borehole pressure measurements where the support for one of the capacitor plates sets is mounted in an independent structure which is attached through a temperature compensating means to the support for the other capacitor plates for eliminating stress effects. Electron bonding of materials having graduated coefficients of friction is utilized to minimize stress effects.

REFERENCES:
patent: 4091683 (1978-05-01), Delatorre
patent: 4322775 (1982-03-01), Delatorre
patent: 4434451 (1984-02-01), Delatorre
patent: 4507973 (1985-04-01), Barr et al.
patent: 4523474 (1985-06-01), Browne et al.

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