[특허]Rotary actuator for leading edge flap of aircraft

[미국특허] Rotary actuator for leading edge flap of aircraft 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-009/00
출원번호	US-0264198 (1988-10-28)
발명자 / 주소	Tiedeman Robert K. (Wayne NJ) Palma Michael A. (Parsippany NJ)
출원인 / 주소	Curtiss Wright Flight Systems, Inc. (Fairfield NJ 02)
인용정보	피인용 횟수 : 36 인용 특허 : 1

초록 ▼

A rotary geared actuator for pivotally connecting a flap to a wing of an aircraft, includes at least two adjacent actuator slices rotatably coupled together, each actuator slice including a sun gear rotatably coupled to a drive shaft and having gear teeth with a curved profile to enable movement of the actuator slices with respect to each other in conformance with bending of the wing, planetary gears in surrounding and meshing engagement with the gear teeth of the sun gear, a movable ring gear in surrounding and meshing engagement with the planetary gears, and a fixed ring gear in surrounding and meshing engagement with the planetary gears on opposite sides of the movable ring gear, each fixed ring gear being in meshing engagement only with planetary gears of one actuator slice; at least one fixed side tie bar connecting each fixed ring gear with the wing; at least one movable flap side tie bar connecting each movable ring gear with the flap; securing pins for securing each fixed side tie bar to one fixed ring gear and each movable flap side tie bar to one movable ring gear so as to permit a small axial movement between at least one tie bar and the respective fixed ring gear and/or movable ring gear; and a coupling shaft which flexibly connects an outermost sun gear of the actuator to a drive shaft.

대표청구항 ▼

A rotary geared actuator for pivotally connecting a flap to a wing of an aircraft, comprising: at least two adjacent actuator slices rotatably connected together, each actuator slice including: a sun gear rotatably coupled to a drive shaft, said sun gear including gear teeth extending thereabout, and said gear teeth having a curved profile to enable movement of said actuator slices with respect to each other in conformance with bending of the wing of the aircraft; a plurality of planetary gears in surrounding and meshing engagement with said first gear teeth of said sun gear; a movable ring gear in surrounding and meshing engagement with said planetary gears; and a fixed ring gear in surrounding and meshing engagement with said planetary gears and positioned on opposite sides of said movable ring gear, each fixed ring gear being in meshing engagement only with planetary gears of one said actuator slice; at least one fixed side tie bar means for connecting each said fixed ring gear with one of the wing and the flap; at least one movable flap side tie bar means for connecting each said movable ring gear with the other of the wing and the flap; securing means for securing each said fixed side tie bar means to one said fixed ring gear and said movable flap side tie bar means to one said movable ring gear so as to permit a small axial movement between at least one said tie bar means and the respective fixed ring gear and/or movable ring gear; and coupling means for coupling an outer one of said actuator slices to a drive shaft, said coupling means including: a coupling shaft having an inner end and an outer free end, said outer free end of said coupling shaft including gear teeth having a part-spherical curvature, and the drive shaft including gear teeth having a curvature conforming to the gear teeth of said coupling shaft and in meshing engagement therewith, to provide a flexible drive coupling between the drive shaft and said coupling shaft; and coupling gear means for rotatably coupling said coupling shaft to the sun gear of said outer one of said actuator slices.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Musgrove Robert G. (Arlington TX), Eccentric actuator.
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이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

Shaheen, Milad A.; Dreher, Robert V., Actuator for aircraft stabilizers with a failure responsive lock control mechanism.
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Sheahan, Jr., James Joseph; Drouin, Jr., Donald V., Air vehicle, actuator assembly and associated method of manufacture.
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Aircraft having inflatable fuselage.
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Turner,Mark A., Apparatus and method for actuating control surfaces.
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Degenholtz, Arthur; Mayer, Edward; Vaghela, Naresh P., Arrangement and associated system having an actuator and a tubular flap-drive member about the actuator.
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Zantz, Tanno; Arriola, David; Benischke, Stefan; Thielecke, Frank, Drive system for control surfaces of an aircraft.
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Kracke, Jeremy Alan George, Dual actuator drive assembly with synchronization shaft.
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Behar, Bruce W.; Flatt, James E.; Gurrola, David J.; Nguyen, Dan T., Electromechanical actuating assembly.
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Flatt, James E.; Gurrola, David J.; Behar, Bruce W.; Nguyen, Dan T., Electromechanical actuating assembly.
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Good, Mark S.; Walker, Steven Paul, Enhancing aerodynamic performance of an aircraft wing assembly.
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Koizumi, Takashi; Kamimura, Toshio, Flight control surface control unit.
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Korya, Chetan; Bryant, Anthony; Harding, Matt; Brakes, David, Folding wing tip and rotating locking device.
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Maydew, Mark, Geared rotary actuator.
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Buxton,Stephen John, Geared rotary actuators.
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Inflatable airfoil system configured to reduce reflection of electromagnetic waves.
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Inflatable airfoil system having reduced radar and infrared observability.
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Inflatable airfoil system having reduced radar observability.
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Flatt, James E., Jam tolerant electromechanical actuation systems and methods of operation.
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Flatt, James E., Jam tolerant electromechanical actuation systems and methods of operation.
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Flatt,James E., Jam tolerant electromechanical actuation systems and methods of operation.
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Flatt,James E., Jam tolerant electromechanical actuation systems and methods of operation.
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Ambrosi, Marco, Planetary gearbox.
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Lutke, Kevin R.; Kutzmann, Aaron J., Pneumatic control system for aerodynamic surfaces.
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Sobolewski, Pawel A.; Kim, Joseph H.; O'Hara, Robert P.; Hydari, Shahbaz H.; Szulyk, Zenon P., Rotary piston actuator anti-rotation configurations.
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Kim, Joseph H.; O'Hara, Robert P.; Hydari, Shahbaz H.; Sobolewski, Pawel A., Rotary piston type actuator.
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Kim, Joseph H.; O'Hara, Robert P.; Hydari, Shahbaz H.; Sobolewski, Pawel A., Rotary piston type actuator with a central actuation assembly.
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Kim, Joseph H.; O'Hara, Robert P.; Hydari, Shahbaz H.; Sobolewski, Pawel A., Rotary piston type actuator with a central actuation assembly.
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Lehy, Douglas Jan; Schneider, Richard Lee, Seat storage actuator.
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DuRant,Cecil John, Servo mounting system for direct drive of an aircraft control surface.
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Sheahan, Jr., James J.; Morris, Charles E., Structural mechanism for unlocking and engaging a controllable surface on a hinged platform (Wing).
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Sheahan, Jr.,James J.; Morris,Charles E., Structural mechanism for unlocking and engaging a controllable surface on a hinged platform (wing).
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Variable pitch airfoils.
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Lutke, Kevin Reed; Kutzmann, Aaron Jonathan, Variable pitch airfoils.
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Van Zyl, Louwrens Hermias, Wing control system.
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Good, Mark S.; Walker, Steven Paul, Wing hinge assembly including hinged torque boxes.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Rotary actuator for leading edge flap of aircraft 원문보기

초록 ▼

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연구과제 타임라인

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

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[미국특허] Rotary actuator for leading edge flap of aircraft 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

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