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Methods and systems for operating aircraft landing gears
   
Document Number
US Patent 7093795
Issued Date
August 22, 2006
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Abstract
Methods and systems for performing landing gear operations. In one embodiment, a method for retracting a landing gear is useable with an aircraft having a gear door that at least partially covers a gear well when the landing gear is extended. The method can include receiving a first signal during movement of the aircraft down a runway for takeoff. The first signal can correspond to at least a first aspect of motion of the aircraft, such as upward rotation of the aircraft for liftoff. The gear door can be opened in response to receiving the first signal. The method can further include receiving a second signal after the aircraft has lifted off of the runway. The second signal can correspond to a second aspect of motion of the aircraft, such as the aircraft achieving a positive rate of climb. In response to receiving the second signal, the landing gear can be retracted into the gear well.
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Number of Claims:
13
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Owner
The Boeing Company (Seattle, WA)
Published
August 22, 2006
Application Number
11/000,167
Filed
November 30, 2004
US Classification
244/102R  
Int'l Classification
B64C   25/26   (20060101)  
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a divisional of U.S. application Ser. No. 10/774,981, filed Feb. 9, 2004 now U.S. Pat. No. 6,854,689.
USPTO Field of Search
244/81   244/100R   244/102R   244/102A   244/102SL   244/190  
Related Patents
7475849 - Methods and systems for operating aircraft landing gears - Owned by The Boeing Company (Chicago, IL)

Methods and systems for performing landing gear operations. In one embodiment, a method for retracting a landing gear is useable with an aircraft having a gear door that at least partially covers a gear well when the landing gear is extended. The method can include receiving a first signal during movement of the aircraft down a runway for takeoff. The first signal can correspond to at least a first aspect of motion of the aircraft, such as upward rotation of the aircraft for liftoff. The gear door can be opened in response to receiving the first signal. The method can further include receiving a second signal after the aircraft has lifted off of the runway. The second signal can correspond to a second aspect of motion of the aircraft, such as the aircraft achieving a positive rate of climb. In response to receiving the second signal, the landing gear can be retracted into the gear well.

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