Refrigeration – Refrigeration producer – With lubricant handling means
Patent
1981-07-27
1983-02-15
Capossela, Ronald C.
Refrigeration
Refrigeration producer
With lubricant handling means
417367, F25B 4302
Patent
active
043733565
ABSTRACT:
A lubrication system for use in a rotary compressor wherein the pressurized refrigerant fluid is passed through a precooler and returned to the compressor housing before passing through the discharge line to the refrigeration system. Oil entrained in the compressed precooled refrigerant is passed in heat transfer association with the rear head of the compressor to evaporate therefrom refrigerant vapor which may be entrained in the oil, permitting the oil to be returned to the lubrication sump after such removal for improved lubrication of the compressor. The rear head defines a lubricating oil flow path which, in the illustrated embodiment, opens upwardly from the rear head, permitting the lubricating oil to flow over the rear head for improved heat transfer association therewith in effecting the desired removal of entrained refrigerant vapor therefrom. The oil is delivered to a relatively cool portion of the rear head for flow through the flow path to a relatively hot portion of the rear head, from which oil falls downwardly to a collecting sump.
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patent: 4032264 (1977-06-01), Takahashi
Capossela Ronald C.
Whirlpool Corporation
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