- Patent Title: Gas turbine engine ramped rapid response clearance control system
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Application No.: US16399254Application Date: 2019-04-30
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Publication No.: US10822990B2Publication Date: 2020-11-03
- Inventor: Timothy M. Davis , Brian Duguay
- 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: Getz Balich LLC
- Main IPC: F01D11/22
- IPC: F01D11/22

Abstract:
An active clearance control system of a gas turbine engine includes a multiple of blade outer air seal assemblies and a multiple of rotary ramps. Each of the multiple of rotary ramps is associated with one of the multiple of blade outer air seal assemblies. A method of active blade tip clearance control for a gas turbine engine is provided. The method includes rotating a multiple of rotary ramps to control a continuously adjustable radial position for each of a respective multiple of blade outer air seal assemblies.
Public/Granted literature
- US20200025020A1 GAS TURBINE ENGINE RAMPED RAPID RESPONSE CLEARANCE CONTROL SYSTEM Public/Granted day:2020-01-23
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