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US 2013/0259658 A1Published application
Variable vane inner platform damping
AssigneeUnited Technologies Corporation
InventorsDavid P. Dube, Richard K. Hayford
Life of this patent
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Abstract
A variable vane assembly includes a damper positioned between a platform and a trunnion. The damper is comprised of a resilient material.
Claims16
A variable vane damper, comprising:
- a body comprised of a resilient material, the body including a first surface that is bondable to an inner platform of a variable vane and a second surface that is bondable to an inner diameter trunnion component.
A variable vane assembly, comprising:
- a variable vane body;
- a platform formed at one end of the variable vane body;
- a damper bonded to the platform;
- and
- a trunnion bonded to the damper.
2 more elements
A method of assembling a variable vane assembly, comprising:
- (a) positioning a variable vane body in a first fixture, the variable vane body including a platform at a radially inner end;
- (b) positioning a trunnion in a second fixture;
- (c) placing a damper between the trunnion and platform, the damper comprised of an elastomeric material;
- (d) squeezing the first and second fixtures together;
- and
- (e) curing the elastomeric material to bond the damper to the platform and the trunnion.
3 more elements
Dependencies are inferred from the claim text.