Patent · US Active

Travel control device for work vehicle and work vehicle

US8585156B2 · kind B2 · utility

2Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 2006
Grant dateNov 19, 2013
Priority date
Expiry dateJul 18, 2030

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60W2520/263
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A travel control device for a work vehicle includes: a hydraulic pump; a plurality of hydraulic motors connected to the hydraulic pump in parallel through a closed-circuit connection, that drive different wheels with pressure oil delivered from the hydraulic pump; a slip detection device that detects a slip occurring at each of the wheels; and a flow control device that reduces, upon detection of a slip occurring at any of the wheels by the slip detection device, a quantity of pressure oil supplied to a hydraulic motor for driving the wheel at which the slip has been detected, among the plurality of hydraulic motors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.