Hydrostatic axial piston machine employing a bent-axis construction with a constant velocity joint for driving the cylinder drum
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United States of America Patent
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Mar 6, 2018
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N/A
app pub date -
Jul 30, 2014
filing date -
Aug 5, 2013
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Abstract
A bent-axis hydrostatic axial piston machine (1) has a drive shaft (4) with a drive flange (3) rotatable around an axis of rotation (Rt) and a cylinder drum (7) rotatable around an axis of rotation (Rz). The cylinder drum (7) has a plurality of piston bores (8) concentric to the axis of rotation (Rz) of the cylinder drum (7) and having longitudinally displaceable pistons (10) fastened in an articulated manner to the drive flange (3). Between the drive shaft (4) and the cylinder drum (7) there is a drive joint (30) (constant velocity joint) for rotationally synchronous rotation of the cylinder drum (7) and the drive shaft (4). The drive joint (30) and the cylinder drum (7) include a longitudinal bore (11) concentric to the axis of rotation (Rz) of the cylinder drum, through which bore (11) the drive shaft (4) extends such that in the vicinity of the drive shaft (4) there is a torque transfer to a cylinder-drum-side end of the axial piston machine (1).
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