Hydraulic system for recovering refrigerants

Details Hydraulic system for recovering refrigerants Hydraulic system for recovering refrigerants

1994-09-01

1996-04-02

Sollecito, John M.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62292, 417393, F25B 4500

Patent

active

055029744

ABSTRACT:
A hydraulic refrigerant recovery system and method moves refrigerant liquid or refrigerant vapor. Substantial pressure is developed by the hydraulic unit for moving a substantially larger piston to increase the pumping rate for refrigerant. Only the size of the inlet line for the hydraulic unit limits the pumping capacity, unlike the capability experienced previously with pneumatic motion for refrigerant liquids. The invention system includes a hydraulic pump, oil reservoir, a hydraulic cylinder, a spool valve and a limit switch assembly.

REFERENCES:
patent: 2899941 (1959-08-01), Adams
patent: 2986907 (1961-06-01), Hoop
patent: 4381180 (1983-04-01), Sell
patent: 5020331 (1991-06-01), Michny
patent: 5170632 (1992-12-01), Reilly
patent: 5282366 (1994-02-01), Reilly

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