HYDRAULIC RADIAL PISTON DEVICES
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Dec 30, 2014
filing date -
Dec 31, 2013
priority date (Note) -
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Abstract
A radial piston device (100) includes: a housing (102), a pintle (110), a rotor (130), a plurality of pistons (150) and a drive shaft (190). The radial piston device also includes a mechanism for minimizing deflection or curvature of the pintle shaft (112), which may be caused by a resulting pressure applied to the pintle shaft. In one example, the mechanism may be implemented by at least partially supporting the rotor by the housing with a bearing while the rotor is also supported by the pintle shaft with another bearing.
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