Pressure sensor

Details Pressure sensor Pressure sensor

1991-04-11

1992-11-10

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73706, 73720, 73754, 73756, G01L 708, G01L 900, G01L 1904

Patent

active

051614154

ABSTRACT:
A pressure sensor comprising a case, a diaphragm provided within the case, a pressure detecting part provided within the case for detecting pressure applied to the diaphragm, and a pressure transmission chamber formed between the diaphragm and the pressure detecting part for sealingly accommodating therein liquid through which the pressure is transmitted from the diaphragm to the pressure detecting part. The pressure transmission chamber is arranged to cope with the volume changes of the liquid due to the temperature changes thereof.

REFERENCES:
patent: 3050085 (1962-08-01), Reese
patent: 3140613 (1964-07-01), Hasegawa
patent: 3596520 (1971-08-01), Walpole
U.S. Ser. No. 07/798,588, filed Nov. 26, 1991; assigned to GAU: 2611.
U.S. Ser. No. 07/710,987; filed Jun. 6, 1991; assigned to GAU: 2613.

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