Refrigeration system utilizing a gaseous refrigerant bypass

Details Refrigeration system utilizing a gaseous refrigerant bypass Refrigeration system utilizing a gaseous refrigerant bypass

1979-12-18

1982-04-27

Wayner, William E.

Refrigeration

Reversible, i.e., heat pump

With flow control or compressor details

62117, 62196C, 417284, F25B 1300, F25B 500

Patent

active

043268684

ABSTRACT:
The present invention provides a refrigeration or heating system which includes a high pressure gaseous refrigerant bypass which introduces high pressure gaseous refrigerant to the compressor through a hole therein. This reintroduction of high pressure gaseous refrigerant increases the work capacity of the compressor, which is particularly valuable in the heating mode where the ambient temperature is low, and also hastens the pressure rising characteristics of the compressor. A low pressure gaseous refrigerant bypass to the compressor may also be provided for permitting a portion of the compressed refrigerant in the compressor to be discharged, thereby reducing the danger of overheating of the compressor. A further feature of the invention is the introduction of low enthalpy refrigerant into the compressor which will also cool an overheated compressor. Appropriate control means are provided for controlling the flow of refrigerant through the bypasses.

REFERENCES:
patent: 2299811 (1942-10-01), Feicht
patent: 2363273 (1944-11-01), Waterfill
patent: 2904971 (1959-09-01), Kosfeld
patent: 3210958 (1965-10-01), Coyne
patent: 4211093 (1980-07-01), Midolo

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