Hydrostatic displacement unit
AssigneeSauer-Danfoss Inc.
InventorsMarkus Reimer, Michael Hein
Life of this patent
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Abstract
A hydrostatic displacement unit having pistons which are composed at least partially of a high-grade aluminum material which are made of one piece or a composite to reduce wear.
Claims15
Hydrostatic displacement unit having a driveshaft (9) and having a cylinder block (2) which has cylinder bores (3) in which pistons (4) are mounted in a longitudinally movable manner, which pistons (4) have a piston head (7), a piston shank (6) and a piston base (5), with said pistons (4) being supported with the piston base (5) on a support device in such a way that, with a rotation of the driveshaft (9), the piston head (7) is movable in a reciprocating fashion in its associated cylinder bore (3), characterized in that the pistons (4) are composed at least partially of a high-grade aluminum material.
Dependencies are inferred from the claim text.