Invention Grant
- Patent Title: Set screw gap control between fixed and variable vanes
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Application No.: US16130042Application Date: 2018-09-13
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Publication No.: US10774674B2Publication Date: 2020-09-15
- Inventor: David M. Dyer
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: RAYTHEON TECHNOLOGIES CORPORATION
- Current Assignee: RAYTHEON TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: F01D17/16
- IPC: F01D17/16 ; F01D9/04 ; F01D5/14

Abstract:
A variable vane adjustment system for a gas turbine engine including: a vane platform having a recess, a vane opening within the recess, and a set screw opening originating at a first wall of the recess and extending into the vane platform; a trunnion carrier having a base portion located at least partially within the recess, a bushing attached to the base portion, and an orifice that extends through the base portion and bushing, wherein the orifice is aligned with the vane opening; a variable vane having a vane stem, the vane stem extending through the vane opening and the orifice; and a set screw located at least partially within the set screw opening, the set screw being configured to longitudinally traverse the set screw opening as the set screw is rotated, wherein the set screw is configured to move the trunnion carrier and variable vane.
Public/Granted literature
- US20200088063A1 SET SCREW GAP CONTROL BETWEEN FIXED AND VARIABLE VANES Public/Granted day:2020-03-19
Information query
IPC分类: