EP 1403528 A1 20040331 - HYDRAULIC CIRCUIT DEVICE
Title (en)
HYDRAULIC CIRCUIT DEVICE
Title (de)
HYDRAULISCHE SCHALTKREISVORRICHTUNG
Title (fr)
CIRCUIT HYDRAULIQUE
Publication
Application
Priority
- JP 0205930 W 20020613
- JP 2001204580 A 20010705
Abstract (en)
A hydraulic circuit device (2, 20), comprising an electromagnetic proportional valve (6) having a supply position for supplying hydraulic oil to a main engine side, a discharge position for discharging the hydraulic oil from the main engine side, and a stop position for stopping the supply and discharge of the hydraulic oil installed in a hydraulic oil feed passage (5) to a main engine hydraulic circuit (1) to regulate the supply flow and pressure of the hydraulic oil.
IPC 1-7
IPC 8 full level
F15B 11/05 (2006.01); B29C 45/17 (2006.01); B29C 45/67 (2006.01); F04B 49/02 (2006.01); F15B 11/02 (2006.01); F15B 11/16 (2006.01); F15B 21/08 (2006.01)
CPC (source: EP KR)
F04B 49/022 (2013.01 - EP); F15B 9/03 (2013.01 - KR); F15B 11/165 (2013.01 - EP); F15B 21/087 (2013.01 - EP); F04B 2205/05 (2013.01 - EP); F15B 2211/20538 (2013.01 - EP); F15B 2211/40515 (2013.01 - EP); F15B 2211/40553 (2013.01 - EP); F15B 2211/413 (2013.01 - EP); F15B 2211/41581 (2013.01 - EP); F15B 2211/426 (2013.01 - EP); F15B 2211/50572 (2013.01 - EP); F15B 2211/5157 (2013.01 - EP); F15B 2211/528 (2013.01 - EP); F15B 2211/605 (2013.01 - EP); F15B 2211/6309 (2013.01 - EP); F15B 2211/6323 (2013.01 - EP); F15B 2211/6655 (2013.01 - EP); F15B 2211/6656 (2013.01 - EP)
Designated contracting state (EPC)
DE IT
DOCDB simple family (publication)
EP 1403528 A1 20040331; EP 1403528 A4 20110629; CN 1274965 C 20060913; CN 1464945 A 20031231; JP 2003021103 A 20030124; JP 3783582 B2 20060607; KR 100781029 B1 20071129; KR 20030029160 A 20030411; TW 552354 B 20030911; WO 03004879 A1 20030116
DOCDB simple family (application)
EP 02738707 A 20020613; CN 02802316 A 20020613; JP 0205930 W 20020613; JP 2001204580 A 20010705; KR 20037003299 A 20030305; TW 91113287 A 20020618