Oil Management System
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United States of America Patent
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Issued Date -
Nov 20, 2008
app pub date -
Dec 12, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method and a system for oil management where a common pressure shield contains all oil management functions for treatment of the mixture of oil and refrigerant leaving the compressor, and returning the oil to the compressor. The pressure shield may comprise at least the following components related to oil management; an oil separator from which oil is flowing to an oil sump, an oil cooler connected to the oil sump, a mixing valve in which the oil from the oil cooler is mixed with oil from the oil sump for achieving an optimised oil temperature, an oil filter for filtering the mixed oil, the mixed oil being returned from the oil filter to the compressor, and where at least the mentioned components can operate at a pressure level substantially equivalent to the discharge pressure at the compressor.
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