Bypass manifold valve for charging repairing and/or testing refr

Details Bypass manifold valve for charging repairing and/or testing refr Bypass manifold valve for charging repairing and/or testing refr

1987-11-13

1992-12-22

Bennett, Henry

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62292, F25B 4500

Patent

active

051725576

ABSTRACT:
A device for servicing closed refrigerating systems comprising a double valve body with a transverse bore through a main shut off valve. The invention disclosed herein consist of methods for entering a closed refrigeration system for testing, charging and exiting the system, vacuum processes to vacuum the entire system and either the high or low sides of the system simultaneously and a method for the storage. The disclosed device and process eliminates a great percent of the loss of refrigerant in the refrigerant hoses when disconnecting during servicing and repairing the high side while using the recommended service techniques.

REFERENCES:
patent: 3785163 (1974-01-01), Wagner
patent: 3916641 (1975-11-01), Mullins
patent: 3916947 (1975-11-01), Holmes et al.
patent: 3935713 (1976-02-01), Olson
patent: 3996765 (1976-12-01), Mullins

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