Invention Grant
- Patent Title: Geared unison ring for variable vane actuation
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Application No.: US15079505Application Date: 2016-03-24
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Publication No.: US10294813B2Publication Date: 2019-05-21
- Inventor: Anthony R Bifulco , Gabriel L Suciu , Jesse M Chandler
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Farmington
- Assignee: United Technologies Corporation
- Current Assignee: United Technologies Corporation
- Current Assignee Address: US CT Farmington
- Agency: Bachman & LaPointe, P.C.
- Main IPC: F01D17/16
- IPC: F01D17/16 ; F01D9/04 ; F01D17/12 ; F01D25/34 ; F16H19/04 ; F16H49/00

Abstract:
A variable vane system includes a harmonic drive driven by an actuator, and a drive gear driven by the harmonic drive. A geared unison ring includes an actuator gear rack driven by the drive gear and a multiple of vane gears, each of the multiple of vane gears mounted to one of a multiple of variable vanes, the multiple of vane gears driven by a gear rack of the geared unison ring.
Public/Granted literature
- US20170276018A1 GEARED UNISON RING FOR VARIABLE VANE ACTUATION Public/Granted day:2017-09-28
Information query
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