Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1979-09-13
1981-07-14
Capossela, Ronald C.
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
417426, 417902, F25B 110
Patent
active
042779553
ABSTRACT:
A hermetic refrigerant compressor assembly comprising an outer housing with at least two separate compressors within said outer housing, each compressor including a compression mechanism driven by an electric motor. If desired, the compressors may each be of different capacity so as to selectively vary the capacity of the system, dependent upon which compressor is operating. The individual compressors may each be two stage compressors, whereby four stages of capacity is easily provided for. The compressor assembly having two separate compressors within an outer housing is relatively low cost as compared to a single large sized hermetic compressor and is very versatile in operation.
The control means for controlling the operation of the separate compressors include means within the outer casing for preventing flow of discharge gas from the compression mechanism on one compressor to the compression mechanism of the second compressor when said second compressor is inoperative. Preferably, the control means are disposed within a discharge gas muffler.
REFERENCES:
patent: 3039676 (1962-06-01), Mikina
patent: 3126713 (1964-03-01), Parker
patent: 3162360 (1964-12-01), Privon et al.
patent: 3315880 (1967-04-01), Kropiwnicki
patent: 3386262 (1968-06-01), Hackbart et al.
patent: 3503223 (1970-03-01), Parker
patent: 4105374 (1978-08-01), Scharf
patent: 4108581 (1978-08-01), Miller et al.
patent: 4205537 (1980-06-01), Dubberley
Capossela Ronald C.
Lennox Industries Inc.
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