EP 2597209 B1 20160316 - Electronic-hydraulic hoisting gear regulation system
Title (en)
Electronic-hydraulic hoisting gear regulation system
Title (de)
Elektronisch-hydraulisches Hubwerksregelsystem
Title (fr)
Système de réglage d'un dispositif de levage hydro-électronique
Publication
Application
Priority
EP 11190345 A 20111123
Abstract (en)
[origin: EP2597209A1] The system (E) has a 2/2-lifting-pressure regulating valve (18) provided between a pump (10) e.g. variable pump, and a node (17) of a working line (7) in a seat valve assembly with proportional magnets (20) and a load pressure-independent pressure control (21). A 2/2-black/white-magnetic valve (37) is arranged in a load pressure signal circuit portion (36) that branches between the pressure regulating valve and node. The magnetic valve is closed with adjusted float position function and energized proportional magnets (30) of a 2/2-lowering-pressure regulating valve (27).
IPC 8 full level
E02F 9/22 (2006.01); F15B 11/00 (2006.01)
CPC (source: EP)
E02F 9/2203 (2013.01); E02F 9/2235 (2013.01); E02F 9/2296 (2013.01); F15B 11/006 (2013.01); F15B 11/055 (2013.01); F15B 2211/20546 (2013.01); F15B 2211/30575 (2013.01); F15B 2211/3144 (2013.01); F15B 2211/327 (2013.01); F15B 2211/50518 (2013.01); F15B 2211/6057 (2013.01); F15B 2211/7052 (2013.01); F15B 2211/7741 (2013.01)
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 RS SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 11190345 A 20111123