Electronic control of refrigeration systems

Details Electronic control of refrigeration systems Electronic control of refrigeration systems

1997-01-03

1999-02-09

Wayner, William E.

Refrigeration

Processes

Compressing, condensing and evaporating

62206, 62217, F25B 4104, F25B 100

Patent

active

058679952

ABSTRACT:
A refrigeration system comprises an evaporator having an inlet and an outlet, a condenser, a compressor that is located between the evaporator and the condenser and that provides suction pressure at the evaporator outlet, an expansion valve that is connected to the evaporator inlet and that is operable to regulate a flow of refrigerant into the evaporator, a pressure regulator that is connected to the evaporator outlet and that is operable to limit the suction pressure to a regulated value, and a controller that coordinates operation of the pressure regulator with operation of the expansion valve.

REFERENCES:
patent: 3003331 (1961-10-01), Coburn et al.
patent: 3564865 (1971-02-01), Spencer et al.
patent: 3698204 (1972-10-01), Schlotterbeck et al.
patent: 5182920 (1993-02-01), Matsuoka et al.
patent: 5247806 (1993-09-01), Ebisu et al.
patent: 5533347 (1996-07-01), Ott et al.
patent: 5572879 (1996-11-01), Harrington et al.

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