HYDRAULIC AXIAL PISTON PUMP HAVING A FLOATING ROTATORY DRUM
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Nov 13, 2013
filing date -
Nov 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a pump comprising: a housing (1); a drum (2) having cylinders in which pistons (3) are mounted, which pistons are supported by supporting shoes (32) on a fixed inclined plate (4); and first and second fluid-distributing plates (5a, 5b) having openings (51, 52) for establishing in an alternating manner the connection between first mouths (23) of the cylinders (22) and a first inlet (11) and first outlet (12) of primary liquid, and between second mouths (24) and a second inlet (13) and second outlet (14) of the secondary liquid. The pump comprises first and second strips (6a, 6b) arranged between the drum (2) and the distributing plates (5a, 5b), said strips being movable in a longitudinal direction and allowing the drum to tilt to a certain extent, forming a sealed closure between the ends of the drum (2) and the distributing plates (5a, 5b).
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