Oil supply system with main pump deaeration
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United States of America Patent
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Dec 10, 2013
Grant Date -
Dec 29, 2011
app pub date -
Jun 23, 2010
filing date -
Jun 23, 2010
priority date (Note) -
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Abstract
An oil supply system for a gas turbine engine with a centrifugal air/oil separator in fluid communication with the scavenge system to receive the used oil mixture and extract oil and air therefrom, a supply pump in serial connection with the main oil outlet of the separator and in fluid communication with the bearing cavities to deliver the oil thereto, an oil tank in fluid communication with the overflow oil outlet of the separator, and at least one make-up pump having an inlet in fluid communication with the tank and having an outlet in fluid communication with the scavenge system.
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