Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Francis Parnin0
Jacob P. Mastro0
Date of Patent
September 11, 2018
0Patent Application Number
151017140
Date Filed
December 2, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lubrication system for an engine including a scavenge pump configured to provide lubricant to the engine during a normal condition, an auxiliary pump configured to provide lubricant to the engine during an abnormal condition, a pressure sensor disposed at an outlet of the auxiliary pump for detecting a pressure created by the auxiliary pump, and a restriction device disposed in a conduit fluidly connecting the scavenge pump to the outlet of the auxiliary pump and configured to increase a first pressure produced by the auxiliary pump at the pressure sensor, wherein the first pressure is greater than a second pressure created by the scavenge pump at the pressure sensor.
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