[특허]Thrust reverser actuator including an integrated locking mechanism

[미국특허] Thrust reverser actuator including an integrated locking mechanism 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02K-001/54
출원번호	US-0949431 (2001-09-07)
발명자 / 주소	Kevin K. Chakkera Andrew T. Johnson Kyle D. Eilers
출원인 / 주소	Honeywell International, Inc.
대리인 / 주소	Keith A. Newburry, Esq.
인용정보	피인용 횟수 : 19 인용 특허 : 11

초록 ▼

A thrust reverser system includes one or more actuators each having an integrated locking mechanism that prevents unintended actuator movement, and thus unintended thrust reverser movement. Each of the actuators with the integrated locking mechanism includes a housing, a drive shaft, and a lock. The drive shaft includes an outer surface, is rotationally mounted within the housing, and is operable, in response to the operation of the one or more motors, to rotate in a first rotational direction, to thereby move the thrust reverser to the deploy position, and a second rotational direction, to thereby move the thrust reverser to the stow position. The lock is movably mounted within the housing and is operable to move between at least a first position and a second position, and includes at least a side surface and a bottom surface. One or more gears are provided on the outer surface of the drive shaft, each of which is adapted to mesh with gears that are operably coupled to the thrust reverser. In addition, one or more protrusions extend from the outer surface of the drive shaft. Each of the protrusions includes a stop surface configured to fixedly abut the lock side surface when the lock is in the first position, and a tapered surface configured to slidingly abut the lock bottom surface when the lock is in the first position. Thus, rotation of the drive shaft in the first rotational direction is prevented and rotation of the drive shaft in the second rotational direction is allowed when the lock is in the first position.

대표청구항 ▼

1. A system for moving a thrust reverser, comprising:at least one power source; at least two synchronization mechanisms; and at least two actuators each coupled to at least one of the synchronization mechanisms, at least one of the actuators having: a housing assembly having a first opening, a second opening, a third opening, and a first inside surface defining a first chamber extending along a first axis between the first and second openings, the third opening being located between the first and second openings; a drive shaft rotationally mounted between the openings within the chamber and in general alignment with the first axis, the drive shaft having a gear portion, a lock portion and a first end adapted to couple to at least one of the synchronization mechanisms, the gear and lock portions being located within the chamber; an actuator extending from the third opening of the housing along a second axis that is perpendicular to the first axis, the actuator having a drive gear mounted to engage the gear portion of the drive shaft; and a lock movably mounted within the chamber in an opposite, generally opposed position to the actuator, the lock having at least a side surface and a bottom surface and selectively operable to move in a plane aligned with the second axis between at least a first position and a second position; wherein the lock portion of the drive shaft has at least one protrusion extending radially outwardly, each protrusion having a stop surface positioned to engage the lock side surface when the lock is in the first position to prevent the rotation of the drive shaft.

이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

Carlin Robert N. (Nottingham GB2), Anti rotation device.
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Greune, Christian; Holzhauer, Hilbert, Apparatus for the displacement of thrust reversers of two jet engines of an airplane.
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F\Geppert Erwin (Novi MI), Brake for ball screw.
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Bausch Paul (Hattenheim DEX), Electric motor-driven positioning element.
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Nakamoto, Hiromasa; Natsuaki, Yukinobu; Michihira, Osamu; Shoji, Futoshi, Electric parking brake system for a vehicle.
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Tootle James N. (Kalamazoo MI) Martin Eugene J. (Portage MI), Fluid actuator with feedback mechanism.
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Martin Eugene J. (Portage MI), Fluid actuator with manual lock release and lock position sensor.
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Hines Marshall U. (Scottsdale AZ), Latching solenoid with manual override.
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Anderson Michael J. (Stafford GB2) Capewell Terence J. (Staffordshire GB2) Davies Stephen H. (Shropshire GB2) Guy Mark (Staffordshire GB2) Hadley Kevin (South Staffordshire GB2) Harvey John H. (Wolve, Lock for a thrust reverser mechanism, a thrust reverser mechanism, and a thrust reverser.
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Repp Timothy O. (Renton WA), Mechanical lock for jet engine thrust reverser.
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Jackson John (Renton WA) Gucker Mark J. (Kirkland WA) Smith Mark H. (Birmingham AL), Thrust reverser synchronization shaft lock.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Moradell-Casellas, Pierre; Delnaud, Franck, Actuating assembly for a thrust reverser of an aircraft engine.
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Werquin, Mickael; Dauvergne, Denis; Gomolko, Oleg, Actuation device for moving a movable cover of a thrust reverser.
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Arnaud, Daniel; Charrier, David; Werquin, Mickael; Fadini, Rinaldo; Coureux, Sebastien, Actuation device for moving a movable cowling of a thrust-reverser.
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Pinto, Geoffrey P., Dual panel actuator system for jet engines.
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Gormley, Timothy, Linear actuator with multi-degree of freedom mounting structure.
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Eschborn, David M., Lock assembly that inhibits thrust reverser movement at or near the stowed position.
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Chakkera, Kevin K; Hartman, Timm E; Vaughan, Ron; Birn, Stephen, Locking manual drive unit for aircraft engine nacelle door operating system.
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McAuley,Shawn A., Piston locking actuator.
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Lair,Jean Pierre, Spider actuated thrust reverser.
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Gabel, Martin Kenneth, System and method for assembling a thrust reverser for a gas turbine propulsion system.
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Somerfield, Michael Paul; Tucker, Benjamin Thomas, Thrust reverser actuation.
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Chakkera, Kevin K.; Christensen, Donald J.; Johnson, Andrew T., Thrust reverser actuator with an automatic relock and lock drop prevention mechanism.
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Wingett, Paul T.; Chakkera, Kevin K.; Vaughan, Ron; Birchak, Dan; Kang, Albert; Gockel, Rich; Ryan, Bill; Bristol, Brent, Thrust reverser actuator with primary lock.
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Christensen, Donald J.; Hanlon, Casey; Hopper, Douglas T.; Johnson, Andrew; Kortum, Robert D., Thrust reverser system actuator having an integral torque limiter.
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Hanlon,Casey; Christensen,Donald J.; Chakkera,Kevin K., Thrust reverser system electro-mechanical brake manual release mechanism.
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Kortum, Robert D.; Johnson, Andrew T., Thrust reverser system power drive unit with dual sequential torque decoupler and method.
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Christensen, Donald J., Thrust reverser system with sequential torque decoupler.
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Gormley, Timothy, Thrust reverser with hidden linkage blocker doors.
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Lozano, Raphael; Strong, Kevin I.; Hoang, Andrew Mai-Tuan; Schrell, Johann S.; Soria, Christian, Track mounted hold open rod.
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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] Thrust reverser actuator including an integrated locking mechanism 원문보기