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Title:
HYDRAULIC DRIVE DEVICE FOR INDUSTRIAL VEHICLE
Document Type and Number:
Japanese Patent JP2006347536
Kind Code:
A
Abstract:

To provide a hydraulic drive device for a industrial vehicle suitable for suppressing any kickback.

A priority flow rate control valve 30 distributes pressurized working oil discharged from a hydraulic pump 10 driven by an electric motor 11 for the hydraulic pressure to a power steering device 20 first, and distributes the residual pressurized working oil to a cargo handling control valve 41 of a cargo handling device 5. There is provided a control means 12 for increasing the number of rotation of the motor 11 for the hydraulic pressure according to the steering angular velocity of the hydraulic power steering device 20 and/or the operational quantity of the cargo handling device 5 when the hydraulic power steering device 20 and/or the cargo handling device 5 is operated, and the number of rotation of the motor 11 for the hydraulic pressure is controlled to be gradually reduced by the control means 12 when the cargo handling device 5 is switched from the operational state to the non-operational state.


Inventors:
YOSHIDA NAOKI
INOUE KIYOSHI
AZUMA MAKOTO
TAKAMURA TORU
Application Number:
JP2006133541A
Publication Date:
December 28, 2006
Filing Date:
May 12, 2006
Export Citation:
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Assignee:
NISSAN MOTOR
International Classes:
B62D6/00; B62D5/07; B66F9/22; B62D113/00; B62D117/00
Domestic Patent References:
JP2004196110A2004-07-15
JP2001010794A2001-01-16
JP2004224196A2004-08-12
JPH055658U1993-01-26
JPS62186899U1987-11-27
Attorney, Agent or Firm:
Masaki Goto



 
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