EP 1558849 B1 20071212 - DOUBLE-CIRCUIT HYDRAULIC SYSTEM
Title (en)
DOUBLE-CIRCUIT HYDRAULIC SYSTEM
Title (de)
HYDRAULISCHES ZWEIKREISBREMSSYSTEM
Title (fr)
SYSTEME HYDRAULIQUE A DOUBLE CIRCUIT
Publication
Application
Priority
- DE 0303126 W 20030919
- DE 10252241 A 20021107
- DE 10255738 A 20021128
Abstract (en)
[origin: WO2004042235A1] The invention relates to a double-circuit hydraulic system for controlling consumers of mobile equipment such as track equipment. Two hydraulic circuits (2, 4) can be interconnected by means of a system provided with interconnection valves (38). According to said invention, a device such as non-return valve makes it possible to ensure that, a high pressure in the circuit supplying reduced quantity of a pressure fluid does not impact another circuit having a low pressure, the circuits (2, 4) being interconnected. In the preferred embodiment, the inventive system provided with interconnection valves comprises two manometers (40, 42) which are exposed to a pumped pressure and the load pressure of the corresponding circuit, the non-return valves being arranged upstream thereof.
IPC 8 full level
F15B 11/17 (2006.01); E02F 9/22 (2006.01); F15B 11/16 (2006.01)
CPC (source: EP KR)
E02F 9/2221 (2013.01 - EP); E02F 9/2253 (2013.01 - EP); E02F 9/2285 (2013.01 - EP); F15B 11/165 (2013.01 - EP); F15B 11/17 (2013.01 - EP KR); F15B 2211/20576 (2013.01 - EP); F15B 2211/30505 (2013.01 - EP); F15B 2211/30555 (2013.01 - EP); F15B 2211/3111 (2013.01 - EP); F15B 2211/3144 (2013.01 - EP); F15B 2211/31582 (2013.01 - EP); F15B 2211/329 (2013.01 - EP); F15B 2211/40507 (2013.01 - EP); F15B 2211/413 (2013.01 - EP); F15B 2211/41509 (2013.01 - EP); F15B 2211/428 (2013.01 - EP); F15B 2211/465 (2013.01 - EP); F15B 2211/50518 (2013.01 - EP); F15B 2211/50527 (2013.01 - EP); F15B 2211/50554 (2013.01 - EP); F15B 2211/513 (2013.01 - EP); F15B 2211/5158 (2013.01 - EP); F15B 2211/528 (2013.01 - EP); F15B 2211/575 (2013.01 - EP); F15B 2211/6051 (2013.01 - EP); F15B 2211/6052 (2013.01 - EP); F15B 2211/6355 (2013.01 - EP); F15B 2211/71 (2013.01 - EP); F15B 2211/88 (2013.01 - EP)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004042235 A1 20040521; AT E380942 T1 20071215; AU 2003271543 A1 20040607; DE 50308813 D1 20080124; EP 1558849 A1 20050803; EP 1558849 B1 20071212; JP 2006505750 A 20060216; KR 101011992 B1 20110131; KR 20050059333 A 20050617
DOCDB simple family (application)
DE 0303126 W 20030919; AT 03753319 T 20030919; AU 2003271543 A 20030919; DE 50308813 T 20030919; EP 03753319 A 20030919; JP 2004549050 A 20030919; KR 20057008113 A 20030919