Ball supported swashplate for axial piston hydraulic machine

Details Ball supported swashplate for axial piston hydraulic machine Ball supported swashplate for axial piston hydraulic machine

2007-09-12

2010-10-05

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

Reexamination Certificate

active

07806040

ABSTRACT:
An axial piston hydraulic machine having a housing with a cylinder block with reciprocating pistons disposed therein. The reciprocating pistons are rotatably connected to a swashplate at a first end of the swashplate. At a second end of a swashplate support balls are received and engage the housing. The support balls are located radially from the plurality of reciprocating pistons such that the distance between the axis of rotation of an input shaft and a piston axis of the plurality of pistons is significantly less than the radial distance between the axis of rotation of the shaft and the center points of the support balls, and wherein the pivot axis passing through the center points of the support balls lies in or near the plane passing through the piston/slipper ball joints.

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