Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James H. Denman0
Julie Henion0
Date of Patent
September 25, 2018
0Patent Application Number
150245060
Date Filed
October 1, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lubrication circuit for a gas turbine engine includes a bearing compartment, an air inlet connected to the bearing compartment, a lubricant inlet, and a lubricant outlet. The air inlet fluidly connects the bearing compartment to an environment external to the compartment. The lubricant inlet and outlet are connected to the bearing compartment. A scavenge valve is operatively connected between the lubricant outlet and a scavenge pump that is responsive to bearing compartment pressure for controlling pressure drop across the air inlet.
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