Refrigerant reclamation and charging unit

Details Refrigerant reclamation and charging unit Refrigerant reclamation and charging unit

1987-10-19

1988-08-30

Bennet, Henry A.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62149, 62292, F25B 4500

Patent

active

047667338

ABSTRACT:
A self-contained refrigerant reclamation and charging unit is connected between the refrigeration system to be charged or evacuated and a standard refrigerant receiver. Rather than using a pump (vacuum or otherwise) or an auxiliary refrigerant system (as in many prior art devices), the present invention utilizes a portion of the refrigerant being evacuated to continuously cool itself as the refrigerant travels between the refrigeration system to be evacuated and a storage receiver. As the refrigerant is cooled, the pressure thereof drops creating a pressure differential from the refrigeration system into the receiver.

REFERENCES:
patent: 3232070 (1966-02-01), Sparano
patent: 4261178 (1981-04-01), Cain
patent: 4363222 (1982-12-01), Cain
patent: 4364236 (1982-12-01), Lower et al.
patent: 4441330 (1984-04-01), Lower
patent: 4539817 (1985-09-01), Staggs
patent: 4554792 (1985-11-01), Margulefsky et al.
patent: 4646527 (1987-03-01), Taylor

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