Refrigeration – Automatic control – Refrigeration producer
Patent
1984-04-10
1986-02-18
Tanner, Harry
Refrigeration
Automatic control
Refrigeration producer
62209, 622285, F25B 100
Patent
active
045704511
ABSTRACT:
A membrane innerly divides a body in two rooms, one of which is subjected to a first pressure of the ratio of pressures which is to be compared to a threshold. In the other room, there is a gas in pressure equilibrium with its condensate; this gas is in thermal contact with another gas which is also in pressure equilibrium with its condensate and which is subjected to the second pressure of the pressure ratio. The forces on the membrane balance each other when the ratio equals the threshold. The threshold is equal to the ratio between the pressure of the two gases in equilibrium with their condensate. This threshold is substantially stable when the temperature varies. The membrane is connected to control means.
REFERENCES:
patent: 1750336 (1930-09-01), Terry
patent: 3088659 (1963-05-01), Nilsson et al.
patent: 4221116 (1980-09-01), Harnish
patent: 4342199 (1982-08-01), Shaw et al.
patent: 4351160 (1982-09-01), Kountz et al.
patent: 4362472 (1982-12-01), Axelsson
Althouse et al., Modern Refrigeration and Air Conditioning, The Goodheart-Willcox Company, Inc. South Holland, Ill., 1979, pp. 150-151.
Tanner Harry
Zimmern Bernard
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