EP 2625433 A1 20130814 - APPARATUS FOR CONTROLLING A HYDRAULIC ACCUMULATOR OF A HYDRAULIC SYSTEM
Title (en)
APPARATUS FOR CONTROLLING A HYDRAULIC ACCUMULATOR OF A HYDRAULIC SYSTEM
Title (de)
VORRICHTUNG ZUR STEUERUNG EINES HYDRAULISCHEN SPEICHERS EINES HYDRAULIKSYSTEMS
Title (fr)
DISPOSITIF SERVANT À COMMANDER UN ACCUMULATEUR HYDRAULIQUE D'UN SYSTÈME HYDRAULIQUE
Publication
Application
Priority
- DE 102010042194 A 20101008
- EP 2011065543 W 20110908
Abstract (en)
[origin: WO2012045547A1] Described is an apparatus (20) for controlling a hydraulic accumulator (10) of a hydraulic system (12), for example of a vehicle gearbox (14), having a valve device (26) by means of which an accumulator-side port (B) of the apparatus (20) can be connected to and separated from a system-side port (A), wherein the valve device (26) comprises at least one valve main stage (56), said valve main stage being arranged hydraulically between the accumulator-side port (B) and the system-side port (A) and being acted on in the opening direction by a load-exerting means, preferably the pressure prevailing hydraulically at the accumulator-side port (B), and comprises an electrically actuated control valve (52) which can connect the system-side port (A) to a control port (X), which acts in the closing direction of the valve main stage (56), of the valve main stage (56) and to the accumulator-side port (B), wherein at least a first restrictor (60) is arranged between the control valve (52) and the accumulator-side port (B).
IPC 8 full level
F15B 1/027 (2006.01); F15B 13/043 (2006.01); F16H 61/00 (2006.01)
CPC (source: EP US)
F15B 1/027 (2013.01 - US); F15B 1/033 (2013.01 - EP US); F15B 13/0431 (2013.01 - EP US); F16H 61/0009 (2013.01 - EP US); F16H 61/0025 (2013.01 - EP US); F15B 2201/411 (2013.01 - EP US); F16H 2061/0034 (2013.01 - EP US); Y10T 137/86485 (2015.04 - EP US)
Citation (search report)
See references of WO 2012045547A1
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)
DE 102010042194 A1 20120412; CN 103140687 A 20130605; EP 2625433 A1 20130814; US 2013263948 A1 20131010; WO 2012045547 A1 20120412
DOCDB simple family (application)
DE 102010042194 A 20101008; CN 201180048507 A 20110908; EP 11754660 A 20110908; EP 2011065543 W 20110908; US 201113878308 A 20110908