Pistons for axial piston machines

Details Pistons for axial piston machines Pistons for axial piston machines

1989-02-06

1991-12-17

Look, Edward K.

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

92158, 92172, 92181R, 403274, 403284, 29517, 29888042, F04B 2104, F04B 112, F16J 100

Patent

active

050726552

ABSTRACT:
A piston for an axial piston machine, comprising a hollow body having an axial cavity into which a filler piece of a material of lower specific gravity than the material of the piston is inserted which at least partially fills said cavity, said filler piece being secured axially in the cavity by a shoulder projecting radially inwards from the hollow body, is to be designed so that with simple construction a stable axial securing of the filler piece is ensured. This is achieved in that the filler piece has a recess arranged between its ends on its outer surface into which the section of the hollow body overlapping the recess is pressed in a form fitting and force locking manner.

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