Refrigerant reclaim method and apparatus

Details Refrigerant reclaim method and apparatus Refrigerant reclaim method and apparatus

1988-10-14

1991-03-12

Bennet, Henry A.

Refrigeration

With means for charging closed refrigeration producing system

62 77, F25B 4500

Patent

active

049984160

ABSTRACT:
A refrigerant reclaim system including a compressor, a heat exchanger, an oil separator, a condenser, a chill tank, a filter-drier and a cooling coil in the chill tank. An improvement relates to means for preventing the premature destruction of the compressor pump by supplying the compressor with a liquid injection system and an oil sight glass. Further improvements relate to means for monitoring the level of refrigerant in the storage tank and means for adopting the refrigerant reclaim system to accept several different refrigerants by including a plurality of expansion valves which can selectively be placed on line.

REFERENCES:
patent: 3232070 (1966-02-01), Sparano
patent: 4285206 (1981-08-01), Koser
patent: 4364236 (1982-12-01), Lower et al.
patent: 4601177 (1986-07-01), Tanino et al.
patent: 4739632 (1988-04-01), Fry
patent: 4766733 (1988-08-01), Scuderi
patent: 4768347 (1988-09-01), Manz et al.
patent: 4805416 (1989-02-01), Manz et al.
patent: 4809515 (1989-03-01), Houwink
patent: 4809520 (1989-03-01), Manz et al.

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