Invention Application
- Patent Title: TRANSLATIONAL THRUST SYSTEM FOR A ROTARY WING AIRCRAFT
- Patent Title (中): 旋转式飞机翻转系统
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Application No.: PCT/US2007/084397Application Date: 2007-11-12
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Publication No.: WO2008147451A2Publication Date: 2008-12-04
- Inventor: COTTON, Bryan S. , ARIFIAN, Kenneth C. , SCHWEIZER, Leslie , CEVETTE, Jeffrey L.
- Applicant: SIKORSKY AIRCRAFT CORPORATION , COTTON, Bryan S. , ARIFIAN, Kenneth C. , SCHWEIZER, Leslie , CEVETTE, Jeffrey L.
- Applicant Address: 6900 Main Street P.O. Box 9729 Stratford, CT 06615 US
- Assignee: SIKORSKY AIRCRAFT CORPORATION,COTTON, Bryan S.,ARIFIAN, Kenneth C.,SCHWEIZER, Leslie,CEVETTE, Jeffrey L.
- Current Assignee: SIKORSKY AIRCRAFT CORPORATION,COTTON, Bryan S.,ARIFIAN, Kenneth C.,SCHWEIZER, Leslie,CEVETTE, Jeffrey L.
- Current Assignee Address: 6900 Main Street P.O. Box 9729 Stratford, CT 06615 US
- Agency: WISZ, David L.
- Priority: US11/623,105 20070115
- Main IPC: B64C27/22
- IPC: B64C27/22 ; B64C27/12 ; B64C11/38
Abstract:
A translational thrust system for a high speed rotary-wing aircraft includes a propeller system driven by a propeller gearbox, a hydraulic system, and a mechanical-hydraulic control system. The mechanical-hydraulic control system utilizes a hydraulic fluid which travels to and from a propeller dome via an oil transfer/position feedback tube which translates with a propeller pitch change piston. Translation of the oil transfer/position feedback tube and the propeller pitch change piston pitches the blades between high (coarse) and low (fine) pitch positions.
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