Refrigeration cycle system

Details Refrigeration cycle system Refrigeration cycle system

2006-05-16

2006-05-16

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Selective heating or cooling

C062S196400, C062S197000, C062S324100

Reexamination Certificate

active

07043928

ABSTRACT:
A refrigeration cycle system is disclosed. Upon generation of a start signal for a hot gas heater cycle, the cooling mode is first started thereby to start the dormant refrigerant recovery mode (S10) and, upon an increase in the compressor discharge pressure Pd to a predetermined setting P1, the cooling mode is ended and the compressor is switched to the off mode (S20, S30). Upon the lapse of a predetermined time ta in the off mode, the off mode is ended (S40) and the heating mode with the hot gas heater cycle is started.

REFERENCES:
patent: 5291941 (1994-03-01), Enomoto et al.
patent: 6058728 (2000-05-01), Takano et al.
patent: 6105375 (2000-08-01), Takano et al.
patent: 6526771 (2003-03-01), Takano et al.
patent: 2000-219033 (2000-08-01), None

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