EP 2157320 B1 20101208 - Hydraulic device for a hydro motor
Title (en)
Hydraulic device for a hydro motor
Title (de)
Hydrauliksteuerung für einen Hydromotor
Title (fr)
Commande hydraulique pour un moteur hydraulique
Publication
Application
Priority
EP 08014795 A 20080820
Abstract (en)
[origin: EP2157320A1] The control (S) has a three-way pressure maintenance valve (4) arranged between a pump (P) and a pressure connector (10) of a three position-slide control valve (3) i.e. pressure regulating-control valve. The maintenance valve is designed with a working fluid-discharge path (11) to a reservoir (R). The path connects the connector with the reservoir, in a blocking position of the maintenance valve. A load pressure signal circuit of the control valve is alternatively released at the reservoir for desired releasing of a hydro-motor (M) via the path in the maintenance valve. The pressure maintenance valve is operated as a proportional feed control unit via an active releasing of the load pressure signals.
IPC 8 full level
F15B 11/05 (2006.01)
CPC (source: EP)
F15B 11/05 (2013.01); F15B 11/161 (2013.01); F15B 2211/30505 (2013.01); F15B 2211/30525 (2013.01); F15B 2211/30535 (2013.01); F15B 2211/3111 (2013.01); F15B 2211/324 (2013.01); F15B 2211/50518 (2013.01); F15B 2211/50536 (2013.01); F15B 2211/56 (2013.01); F15B 2211/565 (2013.01); F15B 2211/6054 (2013.01); F15B 2211/6055 (2013.01); F15B 2211/611 (2013.01); F15B 2211/7107 (2013.01)
Designated contracting state (EPC)
DE ES FR IT
DOCDB simple family (publication)
EP 2157320 A1 20100224; EP 2157320 B1 20101208; DE 502008002003 D1 20110120
DOCDB simple family (application)
EP 08014795 A 20080820; DE 502008002003 T 20080820