Apparatus and methods for eliminating back drive in a push pull type control system, are provided. An exemplary apparatus includes a control rod (31)including a pair of spaced apart piston displacement members (67,69) each configured to carry a check valve (83,87). The apparatus also includes a pair of opposite-face check valves (83,87) each configured to seal against respective opposing face of a piston head (45) to form a hydraulic lock, preventing back drive in the control system.
Apparatus to eliminate back drive in push pull system of rotor aircraft and related methods
2016-05-05
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
APPARATUS TO ELIMINATE BACK DRIVE IN PUSH PULL SYSTEM OF ROTOR AIRCRAFT AND RELATED METHODS
Europäisches Patentamt | 2015
|Engineering Index Backfile | 1944
|Europäisches Patentamt | 2023
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