Hydraulic swash block positioning system
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United States of America Patent
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Mar 30, 2021
Grant Date -
Dec 31, 2015
app pub date -
Feb 11, 2014
filing date -
Feb 19, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hydraulic swash block positioning system for positioning a swash block to set a variable displacement, the hydraulic device including a rotor with pistons and piston chambers, the positioning system having, between the housing and the swash block, a positioning cylinder with a positioning piston forming a positioning chamber for setting an average value of the swash block position and a control valve connecting the high oil pressure source with the positioning chamber through a feeding line. In accordance with the invention the feeding line is connected to an oil container that has a variable container volume that can be adjusted synchronously with the changes in the number of piston chambers connected to the high oil pressure source.
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