EP 0766009 A3 19990609 - System for controlling a hydraulic motor
Title (en)
System for controlling a hydraulic motor
Title (de)
Einrichtung zur Steuerung eines hydraulischen Motors
Title (fr)
Système pour contrÔler un moteur hydraulique
Publication
Application
Priority
DE 19535677 A 19950926
Abstract (en)
[origin: EP0766009A2] The drive and control system (10) is for a hydraulic actuator which may consist of a differential piston and cylinder unit (11). The system may contain an electrohydraulic proportioning valve (14) of known type connected to the lines (31,33) leading to the two chambers (13,12) of the piston and cylinder unit. There is a reversing valve (15) connected to the first chamber (12) of the piston and cylinder unit. It is connected (51) to the low-pressure hydraulic fluid reservoir (28). It has a connection to a magnetically operated valve (35) and a stop valve (34). A non-return valve (17) is connected across the electrohydraulic proportioning valve and to the drive pump (24).
IPC 1-7
IPC 8 full level
F15B 11/02 (2006.01); F15B 11/08 (2006.01)
CPC (source: EP KR)
F15B 11/02 (2013.01 - EP KR); F15B 11/08 (2013.01 - EP); F15B 2211/20538 (2013.01 - EP); F15B 2211/30505 (2013.01 - EP); F15B 2211/30525 (2013.01 - EP); F15B 2211/3111 (2013.01 - EP); F15B 2211/3144 (2013.01 - EP); F15B 2211/327 (2013.01 - EP); F15B 2211/329 (2013.01 - EP); F15B 2211/40515 (2013.01 - EP); F15B 2211/41554 (2013.01 - EP); F15B 2211/428 (2013.01 - EP); F15B 2211/6336 (2013.01 - EP); F15B 2211/6355 (2013.01 - EP); F15B 2211/7053 (2013.01 - EP); F15B 2211/88 (2013.01 - EP)
Citation (search report)
- [DA] DE 4020451 A1 19920102 - BOSCH GMBH ROBERT [DE]
- [A] WO 7900907 A1 19791115 - CATERPILLAR TRACTOR CO [US]
- [A] US 5415076 A 19950516 - KRONE JOHN J [US], et al
- [A] DE 2554892 A1 19760616 - CATERPILLAR TRACTOR CO
Designated contracting state (EPC)
AT DE FR IT
DOCDB simple family (publication)
EP 0766009 A2 19970402; EP 0766009 A3 19990609; EP 0766009 B1 20030226; AT E233375 T1 20030315; DE 19535677 A1 19970327; DE 59610165 D1 20030403; KR 970016176 A 19970428; TW 360755 B 19990611
DOCDB simple family (application)
EP 96112086 A 19960726; AT 96112086 T 19960726; DE 19535677 A 19950926; DE 59610165 T 19960726; KR 19960041536 A 19960923; TW 85111340 A 19960917