Title:
SYSTEM AND METHOD FOR ADJUSTING BALANCE OF OPERATION OF HYDRAULIC AND ELECTRIC ACTUATORS
Document Type and Number:
WIPO Patent Application WO/2012/135242
Kind Code:
A3
Abstract:
A system (55) for controlling power in a machine (10) includes an interface (56) and a controller (58) configured to receive a signal indicative of a requested hydraulic operation of a hydraulic actuator (24) corresponding to a requested hydraulic power level. The controller is further configured to receive a signal indicative of a requested electric operation of the electric actuator (46) corresponding to a requested electric power level. The controller is also configured to provide a signal for supplying electric power to the electric actuator less than the requested electric power level based on an electric power output ratio, and provide a signal for supplying hydraulic power to the hydraulic actuator less than the requested hydraulic power level based on a hydraulic power output ratio. At least one of the electric power output ratio and the hydraulic power output ratio is adjustable via the interface.
Inventors:
ANDERS JONATHAN (US)
GORMAN COREY (JP)
BERNARDI JOHN (US)
GORMAN COREY (JP)
BERNARDI JOHN (US)
Application Number:
PCT/US2012/030782
Publication Date:
December 06, 2012
Filing Date:
March 28, 2012
Export Citation:
Assignee:
CATERPILLAR INC (US)
ANDERS JONATHAN (US)
GORMAN COREY (JP)
BERNARDI JOHN (US)
ANDERS JONATHAN (US)
GORMAN COREY (JP)
BERNARDI JOHN (US)
International Classes:
F15B21/08; E02F9/22; F15B13/044
Foreign References:
| US20070214782A1 | 2007-09-20 | |||
| EP0227297A2 | 1987-07-01 | |||
| US20070125226A1 | 2007-06-07 | |||
| US20100064677A1 | 2010-03-18 |
Attorney, Agent or Firm:
GREENE, Jeff, A. et al. (Peoria, IL, US)
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