Refrigeration system service adapter

Details Refrigeration system service adapter Refrigeration system service adapter

1990-11-15

1992-08-18

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761403, F16L 3728

Patent

active

051390493

ABSTRACT:
A refrigeration system service coupling having a valved service adapter employing a spring biased sleeve valve to maintain the adapter valve in a closed no flow condition except when the service adapter is properly connected to a charging port of predetermined configuration and capable of retaining the service adapter sleeve valve to permit opening of the service adapter valve upon the service adapter being properly connected to the charging port.

REFERENCES:
patent: 2739612 (1956-03-01), Hansen
patent: 3687161 (1972-08-01), Grguric et al.
patent: 4502662 (1985-03-01), Maldavs et al.
patent: 4892117 (1990-01-01), Spalink et al.
patent: 4921013 (1990-05-01), Spalink et al.
patent: 5076324 (1991-12-01), Herman et al.

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