Oil and refrigerant pump for centrifugal chiller

Details Oil and refrigerant pump for centrifugal chiller Oil and refrigerant pump for centrifugal chiller

1997-11-06

1998-12-15

Sollecito, John M.

Refrigeration

Refrigeration producer

With lubricant handling means

4171991, 416 88, F25B 4302

Patent

active

058485384

ABSTRACT:
A single motor drives both oil and refrigerant pumps in a refrigeration chiller, the motor and oil pump being disposed in the chiller's oil supply tank and the refrigerant pump being disposed exterior thereof. The refrigerant pump pumps liquid refrigerant to the chiller's compressor section so as to cool the motor by which the compressor is driven while the oil pump pumps oil to chiller locations that require lubrication when the chiller is in operation.

REFERENCES:
patent: 2814254 (1957-11-01), Litzenberg
patent: 2830755 (1958-04-01), Anderson
patent: 3149478 (1964-09-01), Anderson et al.
patent: 3183838 (1965-05-01), Englesson
patent: 3195468 (1965-07-01), Bood
patent: 3203352 (1965-08-01), Schafranek
patent: 3389569 (1968-06-01), Endress
patent: 3606581 (1971-09-01), Sjotun
patent: 3645112 (1972-02-01), Mount et al.
patent: 3838581 (1974-10-01), Endress
patent: 4399663 (1983-08-01), Hesler
patent: 4404812 (1983-09-01), Zinsmeyer
patent: 4419865 (1983-12-01), Szymaszek
patent: 5182919 (1993-02-01), Fujiwara

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