Refrigerant system charging and evacuating manifold

Details Refrigerant system charging and evacuating manifold Refrigerant system charging and evacuating manifold

1975-10-06

1976-12-14

Wayner, William E.

Refrigeration

With means for charging closed refrigeration producing system

62 77, 62125, 141311R, 141348, F25D 4500

Patent

active

039967654

ABSTRACT:
A device for servicing closed refrigerating systems comprising a body having a passageway therethrough provided at its respective ends with threaded members for connecting the device to an access valve of the refrigerant system and a refrigerant charging hose. The body rotatably supports a shaft having a camming surface at one end longitudinally moving a plunger toward a depressible valve core by manual rotation of the shaft for communication with the refrigerant system.

REFERENCES:
patent: 2226851 (1940-12-01), Franck
patent: 2464563 (1949-03-01), Doeg
patent: 3618644 (1971-11-01), Grise
patent: 3645496 (1972-02-01), Rawlins

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