Title:
HYDRAULIC SYSTEM HAVING IMPLEMENT AND STEERING FLOW SHARING
Document Type and Number:
WIPO Patent Application WO/2011/150010
Kind Code:
A3
Abstract:
A hydraulic system (34) for a machine (10) is disclosed. The hydraulic system may have a first pump (40) with variable displacement and being load- sense controlled, and a first hydraulic circuit (36) associated with the first pump. The hydraulic system may also have a second pump (58) with variable displacement and being electro-hydraulically controlled, and a second hydraulic circuit (38) associated with the second pump. The hydraulic system may further have a flow-sharing valve (83) arrangement configured to selectively share fluid flow between the first and second hydraulic circuits.
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Inventors:
JOHNSON BRYAN A (US)
BRINKMAN JASON L (US)
TOGNETTI LAWRENCE J (US)
CESUR RUSTU (US)
SPRING PETER (US)
ZHANG JIAO (US)
BRINKMAN JASON L (US)
TOGNETTI LAWRENCE J (US)
CESUR RUSTU (US)
SPRING PETER (US)
ZHANG JIAO (US)
Application Number:
PCT/US2011/037839
Publication Date:
March 15, 2012
Filing Date:
May 25, 2011
Export Citation:
Assignee:
CATERPILLAR INC (US)
JOHNSON BRYAN A (US)
BRINKMAN JASON L (US)
TOGNETTI LAWRENCE J (US)
CESUR RUSTU (US)
SPRING PETER (US)
ZHANG JIAO (US)
JOHNSON BRYAN A (US)
BRINKMAN JASON L (US)
TOGNETTI LAWRENCE J (US)
CESUR RUSTU (US)
SPRING PETER (US)
ZHANG JIAO (US)
International Classes:
F15B13/02; E02F9/22; F15B13/06
Domestic Patent References:
| WO2009102740A2 | 2009-08-20 |
Foreign References:
| KR20100018971A | 2010-02-18 | |||
| EP2184495A1 | 2010-05-12 |
Attorney, Agent or Firm:
GREENE, Jeff, A. et al. (Peoria, IL, US)
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