Hydrostatic axial piston machine with electro-hydraulic swash plate control
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United States of America Patent
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Sep 3, 2002
Issued Date -
N/A
app pub date -
Nov 28, 2000
filing date -
Mar 4, 1996
priority date (Note) -
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Abstract
A hydrostatic axial piston machine employs a swash plate construction in which the diagonal position of the swash plate can be controlled by at least one positioning piston pressurized with a control pressure. A control valve is in a line which leads to at least one positioning piston. A simple electrical-hydraulic control of the swash plate can be accomplished by the electrical actuation of the control valve. The control valve may be in the form of a rotary disk valve which can be actuated by a stepper motor.
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