Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher George Bladon0
Paul Douglas Bladon0
Date of Patent
April 27, 2010
Patent Application Number
10546883
Date Filed
February 26, 2004
Patent Primary Examiner
Patent abstract
A gas turbine engine comprises a rotary compressor (6) which is subject to forward thrust forces and is mounted on an axial shaft (50) which has a forward facing surface (67) located in a thrust bearing (52). A bleed of air under pressure (70, 74, 78) is provided from the compressor to the thrust bearing to form an air cushion (66, 68) opposing the forward thrust of the compressor transmitted by the shaft. The air cushion pressure automatically increases with engine speed. Other air cushion bearings (54, 56) are also provided along the shaft.
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