EP 0601912 B1 19990616 - Three position actuator
Title (en)
Three position actuator
Title (de)
Dreistellungszylinder
Title (fr)
Systèmes de vérins à trois positions de fonctionnement stables
Publication
Application
Priority
FR 9214837 A 19921209
Abstract (en)
[origin: EP0601912A1] The invention relates to a system of actuators, connected to a fluid supply and capable of acting on the position of a member. - According to the invention, it comprises at least two pairs (2, 3) of a first and of a second movable piston, the said pairs of pistons being housed in at least one actuator body (8) and being capable of occupying, under the action of a fluid pressure coming from the said supply (9) and being exerted either simultaneously on the said first pistons of the said pairs, a similar position for which the said member is in a stable neutral position, or solely on the first and the second piston of one or other of the said pairs, a position in which these pairs are antagonistic to each other, for which the said member is in a stable deflected position. <IMAGE>
IPC 1-7
IPC 8 full level
F15B 11/12 (2006.01)
CPC (source: EP)
F15B 11/123 (2013.01)
Designated contracting state (EPC)
BE CH DE ES GB IE IT LI NL SE
DOCDB simple family (publication)
EP 0601912 A1 19940615; EP 0601912 B1 19990616; DE 69325346 D1 19990722; DE 69325346 T2 19991014; FR 2698920 A1 19940610; FR 2698920 B1 19950217
DOCDB simple family (application)
EP 93402891 A 19931130; DE 69325346 T 19931130; FR 9214837 A 19921209