Apparatus for recovery of refrigerant

Details Apparatus for recovery of refrigerant Apparatus for recovery of refrigerant

1992-10-19

1994-08-23

Sollecito, John M.

Refrigeration

With means for charging closed refrigeration producing system

62475, F25B 4500

Patent

active

053396464

ABSTRACT:
A method and system for the recovery of refrigerant from a refrigeration system includes a consumable heat sink for rapidly reducing the temperature of a holding vessel to the saturation temperature of the refrigerant so that the refrigerant can be rapidly recovered without requiring a pump or compressor; and as the refrigerant is being recovered can be filtered to remove any contaminants. Provision is also made for expansion volume of the refrigerant during warm-up.

REFERENCES:
patent: 3744273 (1973-07-01), Ware
patent: 4367637 (1983-01-01), Paulokat
patent: 4554792 (1985-11-01), Margulefsky et al.
patent: 4766733 (1988-08-01), Scuderi
patent: 4922973 (1990-05-01), Keneavy
patent: 5022230 (1991-06-01), Todack
patent: 5077984 (1992-01-01), Vance
patent: 5101637 (1992-04-01), Dailey
patent: 5123259 (1992-06-01), Morgan, Sr.
Copeland Refrigeration Manual, 1970 (pp. 27-17, 26-18).

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