EP 1407086 A1 20040414 - HYDRAULIC CONTROL SYSTEM
Title (en)
HYDRAULIC CONTROL SYSTEM
Title (de)
HYDRAULISCHE STEUERANORDNUNG
Title (fr)
SYSTEME DE COMMANDE HYDRAULIQUE
Publication
Application
Priority
- DE 0201871 W 20020523
- DE 10133616 A 20010713
Abstract (en)
[origin: WO03006753A1] The invention relates to a hydraulic control system for damping the operational vibrations of a mobile machine comprising a lifting cylinder (2) which supports a tool, the chambers (12, 14) of the cylinder being connected to a hydraulic fluid source (6, 10) or a reservoir (T) by means of a control valve system (4). Said hydraulic control system comprises a damping valve system (8) having a control valve (24) in which a non-return valve (30) is integrated, by which means a region (12) on the bottom side of the lifting cylinder (2) can be connected to a hydraulic accumulator (10). In the pressure limitation function, the accumulator (10) can be connected to a reservoir (T) in such a way that the accumulator pressure is limited to a maximum value.
IPC 1-7
IPC 8 full level
E02F 9/22 (2006.01); F15B 1/02 (2006.01); F15B 1/027 (2006.01); F15B 11/00 (2006.01)
CPC (source: EP KR US)
B66F 9/22 (2013.01 - KR); E02F 9/2207 (2013.01 - EP US); E02F 9/2217 (2013.01 - EP US); E02F 9/226 (2013.01 - EP US); E02F 9/2267 (2013.01 - EP US); E02F 9/2271 (2013.01 - EP US); F15B 1/021 (2013.01 - EP US)
Citation (search report)
See references of WO 03006753A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 03006753 A1 20030123; AT E307929 T1 20051115; DE 10133616 A1 20030130; DE 50204694 D1 20051201; EP 1407086 A1 20040414; EP 1407086 B1 20051026; JP 2004534188 A 20041111; JP 4204463 B2 20090107; KR 100897027 B1 20090514; KR 20040022221 A 20040311; US 2004216455 A1 20041104; US 6938413 B2 20050906
DOCDB simple family (application)
DE 0201871 W 20020523; AT 02747163 T 20020523; DE 10133616 A 20010713; DE 50204694 T 20020523; EP 02747163 A 20020523; JP 2003512504 A 20020523; KR 20047000402 A 20020523; US 48206704 A 20040120