Title:
PROPEL CIRCUIT AND WORK CIRCUIT COMBINATIONS FOR A WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/106431
Kind Code:
A3
Abstract:
A hydraulic circuit architecture (100) for a work vehicle (50) includes a pump (102), a work circuit (300), a propel circuit (400, 108), and a circuit selector (206, 208, 210, 212). The work circuit (300) is connected to an actuator for driving a work component of the work vehicle. The propel circuit (400, 108) includes a motor (108) that is adapted to be connected to a drive train (110, 112, 114) of the work vehicle (50). The propel circuit (400, 108) also includes an accumulator (116). The circuit selector (206, 208, 210, 212) selectively connects the pump (102) to the work circuit (300) and the propel circuit (400, 108). The hydraulic circuit architecture is operable in a first mode and a second mode. In the first mode, the propel circuit is connected to the pump and the work circuit is disconnected from the pump. In the second mode, the work circuit is connected to the pump and the propel circuit is disconnected from the pump. When the hydraulic circuit architecture is in the second mode, stored energy from the accumulator can be used to drive the motor to cause propulsion of the work vehicle.
Inventors:
HOXIE BENJAMIN MAXFIELD (US)
MEEHAN TIMOTHY ISAAC (US)
MEEHAN TIMOTHY ISAAC (US)
Application Number:
PCT/US2013/020833
Publication Date:
September 26, 2013
Filing Date:
January 09, 2013
Export Citation:
Assignee:
EATON CORP (US)
International Classes:
B66F9/22; E02F9/22; F15B21/14
Foreign References:
| US20050246082A1 | 2005-11-03 | |||
| DE102010010472A1 | 2011-09-08 | |||
| DE102008021889A1 | 2009-11-05 | |||
| DE19834765A1 | 2000-02-03 | |||
| DE10151831A1 | 2003-05-08 |
Attorney, Agent or Firm:
BRUESS, Steven, C. (P.O. box 2903Minneapolis, MN, US)
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