Refrigerating system

Details Refrigerating system Refrigerating system

1988-06-27

1989-07-18

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62511, F25B 4104

Patent

active

048480983

ABSTRACT:
In a refrigerating system comprising a reciprocating compressor (1), a condensor (2), an expansion means (3), an evaporator (5), a temperature-sensitive control element (6) for on/off control of the compressor, a refrigerant-pressure-dependent valve (4) is used for shutting off the flow of refrigerant between the condensor and the evaporator when the compressor is off and for allowing the flow of refrigerant between the condensor and the evaporator when the compressor is on. The valve (4) comprises a pressure-sensitive means (9) which is movable under the influence of the condensor outlet pressure which prevails at one side of the pressure-sensitive means, while the pressure at the other side of the pressure-sensitive means depends on the saturation pressure of a liquid in a circuit which includes a bulb (15) arranged at a location where it is exposed to the influence of ambient temperature.

REFERENCES:
patent: 1782687 (1930-11-01), Hoffman
patent: 3367130 (1968-02-01), Owens
patent: 4507934 (1985-04-01), Tanaka et al.

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