Refrigerating cycle apparatus with condenser-side refrigerant re

Details Refrigerating cycle apparatus with condenser-side refrigerant re Refrigerating cycle apparatus with condenser-side refrigerant re

1999-11-22

2000-08-22

Doerrler, William

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

621964, 165 62, F25B 4500

Patent

active

061053759

ABSTRACT:
A refrigerating cycle apparatus having a hot gas bypass heating mode that quickly recovers refrigerant in the condenser side to the evaporator side to maximize the work performed by the compressor in the hot gas bypass heating mode, to thereby maximize hot gas bypass heating capacity. Specifically, in a refrigerating cycle apparatus in which operation of a hot gas bypass heating mode is carried out with the inlet side of a condenser closed and the inlet side of a hot gas bypass conduit opened by valves, refrigerant in the condenser side is recovered to the evaporator side by operating the compressor for a predetermined time with the inlet sides of both the condenser and the hot gas bypass conduit closed by the valves.

REFERENCES:
patent: 4698981 (1987-10-01), Kaneko et al.
patent: 5065584 (1991-11-01), Byczynski et al.
patent: 5291941 (1994-03-01), Enomoto et al.
patent: 5651258 (1997-07-01), Harris

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