EP 2449267 A2 20120509 - VALVE ARRANGEMENT
Title (en)
VALVE ARRANGEMENT
Title (de)
VENTILANORDNUNG
Title (fr)
DISPOSITIF DE SOUPAPE
Publication
Application
Priority
- EP 2010003573 W 20100615
- DE 102009031493 A 20090702
Abstract (en)
[origin: WO2011000473A2] The invention relates to a valve arrangement for controlling a lifting gear of an agricultural utility vehicle which lifting gear has at least one lifting cylinder. Said cylinder has two cylinder chambers separated by a lifting piston. The first cylinder chamber is connected by a conventional electrohydraulic hitch control for tractors (EHR) known from the prior art via a first working line. The EHR allows the lifting piston to be supplied with pressure and relieved from pressure via the first cylinder chamber, thereby allowing a lifting gear to be controlled. The second cylinder chamber can additionally be supplied with pressure via a valve control (36), especially for pressure-assisted lowering.
IPC 8 full level
B66F 9/22 (2006.01); F15B 11/08 (2006.01)
CPC (source: EP)
B66F 9/22 (2013.01); F15B 11/08 (2013.01); F15B 2211/30535 (2013.01); F15B 2211/30575 (2013.01); F15B 2211/3144 (2013.01); F15B 2211/327 (2013.01); F15B 2211/329 (2013.01); F15B 2211/40507 (2013.01); F15B 2211/40561 (2013.01); F15B 2211/41509 (2013.01); F15B 2211/50518 (2013.01); F15B 2211/5159 (2013.01); F15B 2211/7107 (2013.01); F15B 2211/7128 (2013.01)
Citation (search report)
See references of WO 2011000473A2
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
DE 102009031493 A1 20110105; BR PI1015359 A2 20160510; CN 103038517 A 20130410; CN 103038517 B 20160706; EP 2449267 A2 20120509; EP 2449267 B1 20161012; RU 2012103383 A 20140710; RU 2571068 C2 20151220; WO 2011000473 A2 20110106; WO 2011000473 A3 20120426
DOCDB simple family (application)
DE 102009031493 A 20090702; BR PI1015359 A 20100615; CN 201080029731 A 20100615; EP 10724324 A 20100615; EP 2010003573 W 20100615; RU 2012103383 A 20100615