Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jonathan L. Miller0
Nasr A. Shuaib0
M. Rifat Ullah0
Date of Patent
December 10, 2019
Patent Application Number
14803452
Date Filed
July 20, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure relates to sealing systems for bearing compartments. In one embodiment, a sealing system includes a runner configured to extend circumferentially around a rotating component, the runner is formed of a material with low radial thermal growth and is configured to fit to the rotating component to remove heat away from the runner. The runner can include an outer surface configured to provide passive cooling for the runner in the bearing compartment. The sealing system can also include a seal configured to operate with the runner, wherein the seal includes a clearance seal on an air side of the runner. The runner can be configured to operate without direct oil cooling.
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