F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 15/26 (2006.01)
Patent
CA 2270161
The present invention provides an actuator controlled by an electro-hydraulic servovalve (12) with a failfixed operation upon the loss of electrical power to the servovalve. A lock valve (69) has apertures therethrough with friction pads (99) therein for locking the actuator in position upon loss of the electrical power.
La présente invention concerne un actionneur commandé par une servosoupape (12) électro-hydraulique à sécurité intrinsèque en cas de panne électrique dans l'alimentation de la servosoupape. On utilise ici une soupape (69) de verrouillage dont les orifices sont pourvus de tampons (99) de friction venant verrouiller l'actionneur lors de pannes électriques.
Macrae & Co.
United Technologies Corporation
LandOfFree
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