STRUT FOR EXHAUST NOZZLE AND METHOD OF MANUFACTURE
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Jul 26, 2010
filing date -
Jul 24, 2009
priority date (Note) -
Abandoned
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Abstract
A strut for the exhaust nozzle for a turbine engine includes a rod having a body member which has two opposite ends, a first rod end at one end and a second rod end at the other end. Each rod end defines a mounting aperture having an interior surface, and there is a ball member disposed in the mounting aperture to form a spherical plain bearing. At least one of the spherical plain bearings spherical bearing does not include an outer ring. At least one ball member may be made by molding, compacting, and sintering powdered chromium-cobalt alloy into an unfinished ball member, machining the unfinished ball member using wire EDM to provide a machined ball member, and jig grinding a chamfer onto the machined ball member.
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