Neutral setting apparatus of an adjustable hydraulic machine
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United States of America Patent
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Feb 3, 2015
Grant Date -
Jul 11, 2013
app pub date -
May 10, 2012
filing date -
Jan 9, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a neutral setting apparatus for adjustable hydraulic machines, in particular the adjustment of the neutral position of a servo valve. In particular, the invention relates to servo adjustment devices with mechanically adjustable control pistons, wherein the forces necessary for this can be applied mechanically, electro-magnetically, pneumatically or hydraulically. The invention relates to a neutral setting apparatus of an adjustable hydraulic machine, with a housing in which a mounted input shaft is arranged, to one end of which a torque can be applied for rotating the input shaft about an axis. Thus providing a robust and cost-effective setting mechanism for the neutral position of a servo valve.
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