Low-side oil-separation and re-use system for ammonia-refrigerat

Details Low-side oil-separation and re-use system for ammonia-refrigerat Low-side oil-separation and re-use system for ammonia-refrigerat

1980-01-04

1981-07-28

Capossela, Ronald C.

Refrigeration

Refrigeration producer

With lubricant handling means

62503, F25B 4302

Patent

active

042803373

ABSTRACT:
A conventional ammonia refrigeration system is modified by adding thereto an automatic oil-separation and re-use system, which comprises a gravity-type separation tank installed between the bottom of a surge drum and the compressor and an intermittently operated valve for controlling draining of the separated oil from the bottom of the separation tank. The valve is opened for a widely pre-adjustable short time period at the beginning of each compressor-ON cycle, which is when the oil has had maximal time for settling-out from its mixture with the liquid ammonia. Then the oil is safely returned to the compressor.

REFERENCES:
patent: 1106244 (1914-08-01), Schliemann
patent: 1836318 (1931-12-01), Gay
patent: 3304697 (1967-02-01), Ramsey
patent: 3304741 (1967-02-01), Weller
patent: 3438218 (1969-04-01), O'Neil
patent: 4187695 (1980-02-01), Schumacher

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