Variable displacement refrigerant compressor of variable angle w

Details Variable displacement refrigerant compressor of variable angle w Variable displacement refrigerant compressor of variable angle w

1986-06-17

1987-06-02

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

62217, 417270, F25B 100, F04B 126

Patent

active

046692720

ABSTRACT:
A variable displacement refrigerant compressor of the variable angle wobble or swash plate type is disclosed. The compressor according to the invention has a displacement control valve which is operable in response to the evaporator pressure so as to restrict the drop thereof by throttling the refrigerant gas flowing through a control port disposed between the evaporator and suction chamber. Crankcase of the compressor is arranged for direct communication with the evaporator so as to keep the crankcase under a pressure which is substantially the same as the evaporator pressure.

REFERENCES:
patent: 3810488 (1974-05-01), Orth et al.
patent: 3998570 (1976-12-01), Jacobs
patent: 4132086 (1979-01-01), Kountz
patent: 4428718 (1984-01-01), Skinner

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