Pressure sensor

Details Pressure sensor Pressure sensor

1991-06-06

1993-05-25

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73708, 73727, 73756, 338 4, G01L 708, G01L 906, G01L 1904

Patent

active

052129896

ABSTRACT:
A pressure sensor comprising a hollow main body (11) defining a bore (14) extending therethrough and having a detection end and an output end. A pressure sensing assembly is disposed within said bore (14) to divide it into a detection cavity (17) and an output cavity (18) through which output signal lines from said pressure sensing assembly extend. A flexible diaphragm (19) is attached to the detection end of the bore to define a sealed detection cavity (17) in which a pressure transmitting liquid is filled. The pressure sensing assembly comprises support plate (24) welded to said main body (11) and supporting a pressure sensing element (26) within said detection cavity (17) through a mounting bed (4). The signal lines sealingly extend through said support plate (24) from said detection cavity (17) to said output cavity (18).

REFERENCES:
patent: 4586018 (1986-04-01), Bettman
patent: 4675643 (1987-06-01), Tanner et al.
patent: 4819487 (1989-04-01), Wareham
patent: 5012677 (1991-05-01), Shimada et al.
U.S. Ser. No. 07/683,632, filed Apr. 11, 1991; assigned to GAU: 2611.
U.S. Ser. No. 07/798,588, filed Nov. 26, 1991; assigned to GAU: 2611.

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