Hydraulic drive system and controller
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United States of America Patent
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-
May 7, 2002
Grant Date -
N/A
app pub date -
Nov 27, 1998
filing date -
Nov 26, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive controller for a hydraulic drive system, a three wheeled vehicle having a pair of transversely arranged in line of drive shaft assemblies and a single wheel drive shaft assembly each assembly including a drive unit having two separate drives and has for series operation secondary hydraulic feed lines between one of the drives of the single drive units and one of the drives of each transverse drive unit. A pressure release valve is provided in each secondary line which valve is fed through a non-return valve.
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