Temperature-compensated pressure gage

Details Temperature-compensated pressure gage Temperature-compensated pressure gage

1985-08-19

1987-04-07

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73716, G01L 706, G01L 1904

Patent

active

046550879

ABSTRACT:
A fire suppression bottle having a state-of-change indicator constructed to include two separate bellows arranged in opposed relationship. Each bellows is isolated from the other bellows, such that failure of either bellows has a fail-safe effect. The use of springs or other mechanisms that would affect the accuracy of the indicator is avoided.

REFERENCES:
patent: 2300810 (1942-11-01), Robins
patent: 2662757 (1953-12-01), Mock
patent: 3946175 (1976-03-01), Sitabkhan

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