Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
M. Rifat Ullah0
Robert E. Peters0
Date of Patent
February 4, 2014
0Patent Application Number
137879190
Date Filed
March 7, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A rotating element is associated with at least one bearing compartment that includes a bearing to support the rotating element. A seal resists leakage of lubricant outwardly of the bearing compartment and allows air to flow from a chamber across the seal and into the bearing compartment. The seal has a seal face facing a rotating face rotating with the rotating element. The seal is a non-contact seal. A gas turbine engine is also disclosed.
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