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Patent Searching and Data


Title:
TRAVEL CONTROL DEVICE FOR WORKING VEHICLE AND WORKING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2007/052692
Kind Code:
A1
Abstract:
A travel control device for a working vehicle has a hydraulic pump, hydraulic motors connected as a closed circuit and in parallel to each other to the hydraulic pump and driving different wheels by pressurized oil from the hydraulic pump, a slip detection device for detecting slip of each wheel, and a flow rate control device for reducing, when slip of any of the wheels is detected by the slip detection device, the quantity of the pressurized oil to the hydraulic motor for driving the wheel whose slip is detected.

Inventors:
UDAGAWA TSUTOMU (JP)
EGAWA EIJI (JP)
TOYOOKA TSUKASA (JP)
SUGAYA MAKOTO (JP)
SORATA HIDEO (JP)
NAKAMURA TSUYOSHI (JP)
NAKAYAMA AKIRA (JP)
TAKIGUCHI KAZUO (JP)
SATOU KENSUKE (JP)
Application Number:
PCT/JP2006/321837
Publication Date:
May 10, 2007
Filing Date:
November 01, 2006
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
UDAGAWA TSUTOMU (JP)
EGAWA EIJI (JP)
TOYOOKA TSUKASA (JP)
SUGAYA MAKOTO (JP)
SORATA HIDEO (JP)
NAKAMURA TSUYOSHI (JP)
NAKAYAMA AKIRA (JP)
TAKIGUCHI KAZUO (JP)
SATOU KENSUKE (JP)
International Classes:
B60K7/00; B60K17/356; F16H61/40; F16H61/42; F16H59/44; F16H59/46; F16H61/66
Foreign References:
JP2002206637A2002-07-26
JPH03144167A1991-06-19
JP2004144254A2004-05-20
JPH04102762A1992-04-03
Other References:
See also references of EP 1950468A4
None
Attorney, Agent or Firm:
NAGAI, Fuyuki (2-1-1 Uchisaiwai-cho, Chiyoda-k, Tokyo 11, JP)
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