Invention Grant
- Patent Title: Gas turbine engine variable area fan nozzle with ice management
- Patent Title (中): 燃气涡轮发动机可变区域风机喷嘴与冰管理
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Application No.: US13365481Application Date: 2012-02-03
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Publication No.: US09593628B2Publication Date: 2017-03-14
- Inventor: Geoffrey T. Blackwell , William G. Tempelman , William J. McVey
- Applicant: Geoffrey T. Blackwell , William G. Tempelman , William J. McVey
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F02C1/00
- IPC: F02C1/00 ; F02C9/16 ; F02K1/09 ; F02K3/06

Abstract:
A method of managing a gas turbine engine variable area fan nozzle includes the steps of evaluating an icing condition to determine the likelihood of ice presence. A variable area fan nozzle position is altered if ice is likely present or actually present. The gas turbine engine includes a fan nacelle including a flap configured to be moveable between first and second positions. An actuator is operatively coupled to the flap. A controller is configured to evaluate an icing condition to determine the likelihood of ice presence. The controller is configured to alter a variable area fan nozzle position schedule if ice is likely present by providing a command to the actuator to adjust the flap from the first position to the second position.
Public/Granted literature
- US20130192247A1 GAS TURBINE ENGINE VARIABLE AREA FAN NOZZLE WITH ICE MANAGEMENT Public/Granted day:2013-08-01
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