Hydraulic power supplies

Details Hydraulic power supplies Hydraulic power supplies

1991-06-12

1992-03-31

Focarino, Margaret A.

Aeronautics and astronautics

Aircraft control

Automatic

244 76R, 60403, B64C 1342

Patent

active

051000822

ABSTRACT:
Hydraulic power supplies for aircraft which have such hydraulically operated systems as flaps, ailerons, spoilers, rudders, elevators, brakes, and retractable and steerable landing gear. Typically, the aircraft will be of the multiengine type; and there will also be a multiplicity of hydraulic power supplies and engines. This scheme can be utilized to provide operating redundancy for the hydraulically operated devices of the aircraft. Each hydraulic power supply has a solid state controller which has a number of inputs as well as control and information providing functions. Control over the functioning of each hydraulic power supply can also be exercised by flight deck crew-operated switches which are connected to inputs of the solid state controllers.

REFERENCES:
patent: 4533097 (1985-08-01), Aldrich
patent: 4744218 (1988-05-01), Edwards et al.
"Airbus Hydraulic Power Always Available", Hydraulics and Pneumatics vol. 25 No. 12 by C. d. Galy, Dec. 1972.

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