Refrigeration system with bypass valves

Details Refrigeration system with bypass valves Refrigeration system with bypass valves

1986-11-06

1988-01-12

Capossela, Ronald C.

Refrigeration

Automatic control

Refrigeration producer

62197, 62200, 62509, F25B 4100

Patent

active

047182458

ABSTRACT:
The refrigeration system includes a refrigerant reservoir, a condenser bypass valve of the gas pressure diaphragm type and a diaphragm-type hot gas bypass valve for supplying hot gaseous refrigerant directly from the compressor or refrigerant receiver to the evaporator, bypassing the expansion valve. The bypass valves may be hermetically housed in the refrigerant reservor. The system is useful in a refrigerated gas separation apparatus such as a refrigerated dryer for compressed air, which includes a conditioner in the form of a shell and tube heat exchanger which cools incoming hot moist compressed air and warms outgoing cold dry air. The cooled moist gas is refrigerated by contact with a refrigeration system evaporator, in the form of a finned baffled coil, and the condensed moisture is removed in a moisture separator including a central conical baffle and peripheral longitudinal hooked scraper bars or baffles defining channels for collecting moisture and directing the liquid to a sump.

REFERENCES:
patent: 3389576 (1968-06-01), Mauer
patent: 3481152 (1969-12-01), Seeley
patent: 3525234 (1970-08-01), Widdowson
patent: 3555842 (1971-01-01), Bodcher
patent: 3555843 (1971-01-01), Cook
patent: 4023377 (1977-05-01), Tomita
patent: 4136528 (1979-01-01), Vogel et al.
patent: 4286437 (1981-11-01), Abraham et al.
"Headstart" brochure, published circa 1982.
Wilkerson, "Refrigerated Air Dryers" published circa 1978.

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