Swash plate pump having control pins in series
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United States of America Patent
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Aug 8, 2017
Grant Date -
Nov 6, 2014
app pub date -
Nov 21, 2012
filing date -
Nov 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A swash plate type piston pump includes a plurality of pistons, a cylinder block including a plurality of cylinders for housing the pistons, a swash plate for reciprocating the pistons to expand and contract volume chambers of the cylinders with the rotation of the cylinder block, a biasing mechanism for biasing the swash plate in a direction to increase a tilting angle, a first control pin for driving the swash plate in a direction to reduce the tilting angle according to a first load pressure, and a second control pin for driving the swash plate in a direction to reduce the tilting angle according to a second load pressure. The first and second control pins are connected in series.
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