Helicopter servoflap actuator having mechanical stop and oil pum

Details Helicopter servoflap actuator having mechanical stop and oil pum Helicopter servoflap actuator having mechanical stop and oil pum

1992-12-23

1995-02-07

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With means moving working fluid deflecting working member...

B64C 27615

Patent

active

053870832

ABSTRACT:
In a servoflap system for helicopters, angular positions of the helicopter's servoflaps are controlled by actuators located near the tips of the helicopter blades. Each actuator contains a pump for circulating a lubricant onto the actuator's gears when blade pitch is being changed. The pump is built into the actuator's mechanical stops.

REFERENCES:
patent: 2403092 (1946-07-01), Lear
patent: 2455866 (1948-12-01), Kaman
patent: 2624531 (1953-01-01), Stalker
patent: 2625997 (1953-01-01), Doak
patent: 3132719 (1964-05-01), Cole
patent: 3608672 (1971-09-01), Dameridge
patent: 4000664 (1977-01-01), Christensen
patent: 4079866 (1978-03-01), Asioli
patent: 5004073 (1991-04-01), Grimm
patent: 5088339 (1992-02-01), Lochmoeller

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