Invention Grant
- Patent Title: Axial case ring to maximize thrust bushing contact area of variable vane
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Application No.: US15704898Application Date: 2017-09-14
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Publication No.: US10794219B2Publication Date: 2020-10-06
- Inventor: Grace Aker , Alex Ertman , Jonathan Acker
- Applicant: Rolls-Royce Corporation
- Applicant Address: US IN Indianapolis
- Assignee: Rolls-Royce Corporation
- Current Assignee: Rolls-Royce Corporation
- Current Assignee Address: US IN Indianapolis
- Agency: Barnes & Thornburg LLP
- Main IPC: F01D17/16
- IPC: F01D17/16 ; F01D25/24 ; F04D29/56

Abstract:
The bearing surface between a thrust bushing and a boss/or face is increased with the addition of a ring or tab that extends radially into a casing bore configured to receive a bushing and cooperating spindle of a variable stator/guide vane. The addition of the ring adds additional bearing surface area without increasing the size of the vane penny, reducing spindle diameter or reducing the bushing bore diameter.
Public/Granted literature
- US20190078461A1 Axial Case Ring to Maximize Thrust Bushing Contact Area Of Variable Vane Public/Granted day:2019-03-14
Information query
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