Aeronautics and astronautics – Aircraft control – Automatic
Reexamination Certificate
2006-06-13
2006-06-13
Dinh, Tien (Department: 3644)
Aeronautics and astronautics
Aircraft control
Automatic
C244S226000
Reexamination Certificate
active
07059563
ABSTRACT:
Aircraft control surface operating systems and apparatuses, and associated methods of use. In one embodiment, an aircraft system includes an actuator operably coupled to a control surface in one-to-one correspondence. The actuator can include at least a first fluid port and a second fluid port. A first fluid circuit can be configured to provide pressurized working fluid from a fluid source to the first fluid port on the actuator to retract the actuator. A second fluid circuit can be configured to similarly provide pressurized working fluid from the fluid source to the second fluid port on the actuator to extend the actuator. The aircraft system can further include an accumulator configured to store pressurized working fluid for actuator operation in the event of a pressure drop in the fluid source.
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Dinh Tien
Perkins Coie LLP
The Boeing Company
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