Temperature compensating pressure regulator

Details Temperature compensating pressure regulator Temperature compensating pressure regulator

1993-05-11

1995-06-13

Chambers, A. Michael

Fluid handling

Processes

Involving pressure control

137 79, 13750514, F16K 1738

Patent

active

054233429

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: 1236953 (1917-08-01), Lewis
patent: 4883082 (1989-11-01), Pirkle
patent: 5174326 (1992-12-01), Steinert
"Miniature Regulator Type R14" Norgren, Littleton Colo., 1979.
"Wax Thermostatic Elements" Vernet, 91291 Arpajon Cedex France, 1990.

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