EP 1111247 B1 20050223 - Hydraulic power system with two pumps
Title (en)
Hydraulic power system with two pumps
Title (de)
Arbeitshydrauliksystem mit zwei Pumpen
Title (fr)
Système de travail hydraulique avec deux pompes
Publication
Application
Priority
AT 89499 U 19991223
Abstract (en)
[origin: EP1111247A2] Hydraulic system has constant pump (3) for supplying pressurized hydraulic fluid to neutral circulation line (20), supplying diverse loads via respective control valves and at least one oil plug socket (18) for driving attachment. A further constant pump (4) is coupled to second neutral circulation line (40) which supplies oil plug socket via second control valve, both control valves (16,33) providing independent control of parallel oil paths.
IPC 1-7
IPC 8 full level
E02F 9/22 (2006.01); F15B 11/17 (2006.01)
CPC (source: EP)
E02F 9/2239 (2013.01); E02F 9/2282 (2013.01); E02F 9/2292 (2013.01); F15B 11/17 (2013.01); F15B 2211/20576 (2013.01); F15B 2211/3116 (2013.01); F15B 2211/327 (2013.01); F15B 2211/7128 (2013.01); F15B 2211/7142 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 1111247 A2 20010627; EP 1111247 A3 20040114; EP 1111247 B1 20050223; AT 4093 U1 20010125; DE 50009582 D1 20050331
DOCDB simple family (application)
EP 00127327 A 20001213; AT 89499 U 19991223; DE 50009582 T 20001213