Invention Grant
- Patent Title: Mechanical iris tip clearance control
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Application No.: US16195336Application Date: 2018-11-19
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Publication No.: US11236631B2Publication Date: 2022-02-01
- Inventor: Richard Joseph Skertic , Joshua J. Gear , John Joseph Costello , Geoffrey L. Gatton
- Applicant: Rolls-Royce Corporation , Rolls-Royce North American Technologies Inc.
- Applicant Address: US IN Indianapolis; US IN Indianapolis
- Assignee: Rolls-Royce Corporation,Rolls-Royce North American Technologies Inc.
- Current Assignee: Rolls-Royce Corporation,Rolls-Royce North American Technologies Inc.
- Current Assignee Address: US IN Indianapolis; US IN Indianapolis
- Agency: Crowell & Moring LLP
- Main IPC: F01D11/20
- IPC: F01D11/20 ; F01D11/12 ; F01D11/22
Abstract:
Systems and methods are provided that use a tip clearance control apparatus comprising a mechanical iris, where the tip clearance control apparatus controls a distance between a tip of a blade and a ring of abradable material positioned in an adjustable opening of the mechanical iris.
Public/Granted literature
- US20200157965A1 MECHANICAL IRIS TIP CLEARANCE CONTROL Public/Granted day:2020-05-21
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