A centre seeking actuator (10) comprising: an outer cylinder (102); a slave cylinder (14) slidably disposed within the outer cylinder; a rod assembly (120, 122), the piston (122) of which is slidably disposed within the slave cylinder and the rod (120) of which extends from the outer cylinder; one or more first dynamic seals (121) arranged to act on a side wall of the rod to inhibit working fluid leaking from the outer cylinder; and one or more second dynamic seals (12) arranged to act on a sidewall of the slave cylinder to inhibit working fluid leaking from the outer cylinder.
CENTRE SEEKING ACTUATOR
MITTELPUNKT SUCHENDES STELLGLIED
ACTIONNEUR DE RECHERCHE DE CENTRE
2025-04-09
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
Swing-arm-type PZT dual actuator with fast seeking for optical disk drive
British Library Online Contents | 2002
|