Automatically compensatable device for measuring a pressure diff

Details Automatically compensatable device for measuring a pressure diff Automatically compensatable device for measuring a pressure diff

1999-06-28

2000-10-24

McCall, Eric S.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73 135, 73 116, G01L 1904, G01F 2500

Patent

active

061349690

ABSTRACT:
An automatically compensatable device for measuring a pressure difference includes a housing (4) with pressure feed passages (20; 23), a sensor element (6) with electrical connections (13) which is arranged in the housing (4), a valve (7) which is integrated in the housing (4) and which has a closure portion (32) by which a pressure difference across the sensor element (6) can be short-circuited and actuator means (34, 31) arranged in the housing (4) for triggering a movement of the closure portion (32). The automatically compensatable device permits quiet operation.

REFERENCES:
patent: 3509767 (1970-05-01), Greer
patent: 4476707 (1984-10-01), Burns et al.
patent: 4679567 (1987-07-01), Hanlon et al.
patent: 4754651 (1988-07-01), Shortridge et al.

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