Invention Grant
- Patent Title: Turbine engine rotor with flexibly coupled tie bolt
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Application No.: US16893796Application Date: 2020-06-05
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Publication No.: US11519271B2Publication Date: 2022-12-06
- Inventor: Brett Hartnagel , Brandon Snyder , Michael Whitten
- Applicant: Rolls-Royce North American Technologies Inc. , Rolls-Royce Corporation
- Applicant Address: US IN Indianapolis; US IN Indianapolis
- Assignee: Rolls-Royce North American Technologies Inc.,Rolls-Royce Corporation
- Current Assignee: Rolls-Royce North American Technologies Inc.,Rolls-Royce Corporation
- Current Assignee Address: US IN Indianapolis; US IN Indianapolis
- Agency: Barnes & Thornburg LLP
- Main IPC: F01D5/06
- IPC: F01D5/06 ; F01D5/02
Abstract:
A rotor assembly includes a plurality of wheels and a tie bolt that extends through the plurality of wheels and applies a compressive force to the plurality of wheels. The tie bolt includes a first segment with a first stiffness and a second segment with a second stiffness to allow for thermal growth of the plurality of wheels.
Public/Granted literature
- US20210381381A1 TURBINE ENGINE ROTOR WITH FLEXIBLY COUPLED TIE BOLT Public/Granted day:2021-12-09
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