Closed loop oil service system for AC or refrigerant compressor

Details Closed loop oil service system for AC or refrigerant compressor Closed loop oil service system for AC or refrigerant compressor

1994-09-19

1995-08-15

Sollecito, John M.

Refrigeration

Refrigeration producer

With lubricant handling means

62292, F25B 4302

Patent

active

054408970

ABSTRACT:
The closed loop oil service system operates in conjunction with an air conditioner or refrigerant compressor lubricated by lubricating oil contained within the compressor casing. The compressor includes a submerged oil drain port, a refrigerant inlet port and refrigerant outlet port. The closed loop oil service system utilizes a canister containing compressor lubricating oil and having a long stem first valve and a short stem second valve and, a refrigerant drum or a clear calibrated fluid injection device. The system also includes a pair of coupler hoses which fluidly and gaseously connect the canister valves and compressor ports. One coupler hose is connected between compressor oil drain port and canister first valve. The second coupler hose is connected between compressor refrigerant outlet port and canister second valve. A closed fluid and gaseous loop is established between the compressor and the canister during oil augmentation operations. compressor. A closed loop calibrated oil augmentation system is formed by incorporating a fourth coupler hose and a clear calibrated fluid injection device.

REFERENCES:
patent: 3777509 (1973-12-01), Muench
patent: 4586351 (1986-05-01), Igarashi et al.
patent: 4856289 (1989-08-01), Lofland
patent: 5016447 (1991-05-01), Lane et al.
patent: 5214931 (1993-06-01), Paige
patent: 5265432 (1993-11-01), Luepke et al.
Thermal Engineering Catalog, p. 252, Thermal Charg-oil Pumps & Chang-oil Pump Publicly available 1993.
ACR Catalog, Publicly available 1993, p. 99. Thermal Charg-oil Pump, Chang-oil Pump.
PMI Catalog, p. 178, available 1993, compressor oil pump.

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