Storage tank scale for a refrigerant recovery system

Details Storage tank scale for a refrigerant recovery system Storage tank scale for a refrigerant recovery system

1988-10-28

1989-11-07

Tapolcai, William E.

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62292, 177116, 177154, 177229, 200 85R, F25B 4500

Patent

active

048783560

ABSTRACT:
A refrigerant recovery system that includes a refrigerant storage container, means for withdrawing refrigerant from a refrigeration system to be serviced and feeding such refrigerant to the container for storage, and a scale supporting the container for sensing impending overfill of the container. The scale includes a beam horizontally rigidly cantilevered from a base. A switch is positioned adjacent to the cantilever-remote end of the beam, and is responsive to deflection of the beam to indicate impending overfill of the container and prevent or terminate operation of the refrigerant recovery system.

REFERENCES:
patent: 2289882 (1942-07-01), Myers
patent: 4317495 (1982-03-01), Kuhnle et al.
patent: 4655305 (1987-04-01), Jacobson
patent: 4678050 (1987-07-01), Wirth et al.
patent: 4768347 (1988-09-01), Manz et al.
patent: 4775020 (1988-10-01), Nishiyama

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