Temperature compensating pressure regulator

Details Temperature compensating pressure regulator Temperature compensating pressure regulator

1994-01-13

1995-06-27

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

Atmospheric

251250, F16K 1738

Patent

active

054271320

ABSTRACT:
The temperature compensating pressure regulator (TCPR) allows a modified constant output pressure regulator to change its output pressure in response to changes in the ambient temperature. Furthermore, the changes in the ambient temperature are extrapolated to estimate the changes in a mass which is in the same ambient environment. The best mode teaches a beer keg application. A wax filled container expands in relation to the temperature changes in a cold storage room. The thermal expansion coefficient of the wax and impurities therein simulate the temperature changes in a keg of beer in the same cold storage room. Upon responding to a temperature change, the TCPR adjusts the keg pressure to the brewer's predetermined pressures, thereby maintaining the proper CO.sub.2 solution in the beer.

REFERENCES:
patent: 760443 (1904-05-01), Fulton
patent: 1236953 (1917-08-01), Lewis
patent: 2256319 (1941-09-01), Johnson
patent: 3104862 (1963-09-01), Pearson et al.
patent: 3218024 (1965-11-01), Kroekel
patent: 4883082 (1989-11-01), Pirkle
patent: 5174326 (1992-12-01), Steinert

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