Aeronautics and astronautics – Retarding and restraining devices – Wheel brake arrangement
Reexamination Certificate
2007-10-16
2007-10-16
Collins, Timothy D. (Department: 3643)
Aeronautics and astronautics
Retarding and restraining devices
Wheel brake arrangement
C303S122090, C303S015000, C188S071100
Reexamination Certificate
active
11064615
ABSTRACT:
Systems and methods for braking aircraft are disclosed. These systems and methods can be employed on multi-main gear aircraft to reduce the radius with which the aircraft makes low speed, pivot turns. Further systems and methods can be used to correct the braking behavior of the aircraft during a turn when the actual or measured braking behavior of the aircraft deviates from the commanded turning behavior. For example, one system includes a controller operatively coupleable amongst a leftmost landing gear, a rightmost landing gear, and an intermediate landing gear of an aircraft. The controller can be configured to direct the application of brakes on wheels of the leftmost landing gear during a left turn, and direct the release of brakes on all wheels of the intermediate landing gear during the left turn. Another system includes a controller coupleable to left and right aircraft brakes, and is configured to receive a first signal corresponding to a commanded turn behavior, a second signal corresponding to an actual turn behavior, and, in response to an error value (based on the first and second signals) exceeding a threshold value, the controller can direct a change in braking force applied to at least one of the left and right aircraft brakes.
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PCT Application No. PCT/US2006/006009, Applicant: The Boeing Company, Date of Mailing: Jul. 12, 2006, 7 pages.
Steiner David S.
Vandervoort Richard D.
Collins Timothy D.
Perkins Coie LLP
The Boeing Company
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