Hydraulic circuit for traveling
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United States of America Patent
Stats
-
Nov 18, 2003
Grant Date -
Apr 4, 2002
app pub date -
Oct 1, 2001
filing date -
Oct 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
If a hydraulic motor (23) (traveling wheel (27)) is rotated (or skidding) at high rate, and a hydraulic motor (24) is hardly rotated, a detection controller (68) compares the rotational speeds of both hydraulic motors (23, 24). Then the rotation detected by the rotation detectors (66, 67) to detect the traveling wheel (27) to be skidding, and moves a piston (71) to allow a negative brake (40) to give a braking force to the hydraulic motor (23), and rotate the hydraulic motor (24). In this way, this invention can release the traveling wheel from skidding without the use of a flow dividing valve.
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