Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL SYSTEM FOR WORKING MACHINE
Document Type and Number:
Japanese Patent JP2010121373
Kind Code:
A
Abstract:

To suppress cost and to achieve general purpose application in leveling a load applied to the engine in a working machine such as a hydraulic shovel.

This control system of a working machine includes a hydraulic pump motor 7 which performs pumping by the power of the engine and supplements the power of the engine by motoring, an accumulator 8 which stores the oil discharged from the hydraulic pump motor 7 during the pumping and supplies a pressure oil to the hydraulic pump motor 7 during the motoring, and a control unit 10 for performing an engine load leveling control to level the load applied to the engine 1 by pumping or motoring the hydraulic pump motor 7 according to a working load.


Inventors:
YONEDA TAKASHI
MATOBA NOBUAKI
Application Number:
JP2008000296767
Publication Date:
June 03, 2010
Filing Date:
November 20, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CATERPILLAR JAPAN LTD
International Classes:
E02F9/22; F15B21/14
Domestic Patent References:
JP2004028212A2004-01-29
JPH0972313A1997-03-18
JP2002275945A2002-09-25
JP2004116603A2004-04-15
JP2008185098A2008-08-14
JP2004028212A2004-01-29
JPH0972313A1997-03-18
JP2002275945A2002-09-25
JP2004116603A2004-04-15
JP2008185098A2008-08-14
Foreign References:
WO2007044130A12007-04-19
Attorney, Agent or Firm:
廣瀬 哲夫