Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 30, 2022
Patent Application Number
16224093
Date Filed
December 18, 2018
Patent Citations
Patent Primary Examiner
A two-tier lubrication system may comprise an oil nozzle located in a bearing compartment. A main oil system may be configured to provide oil to the oil nozzle. A scavenge system may be configured to collect oil from the bearing compartment. A valve may be fluidly coupled between the main oil system and the scavenge system. The valve may be configured to actuate between a main flow position and a scavenge flow position.
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