Hydrostatic cylinder block and method of making the same

Details Hydrostatic cylinder block and method of making the same Hydrostatic cylinder block and method of making the same

2006-01-03

2006-01-03

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C092S071000, C092S070000, C092S057000, C091S499000

Reexamination Certificate

active

06981321

ABSTRACT:
A hydrostatic cylinder block having a split cylinder block with a slipper hold-down created by breaking down the cylinder block into its basic geometries through near net shaping technology. The cylinder block is broken down into four separate components: a hub, a wave spring, a cylinder block body, and a base plate. Each component is created using near net shaping technologies. The geometries are then placed together to create the completed cylinder block wherein the wave spring separates the hub from the block body to provide an improved slipper hold down force.

REFERENCES:
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patent: 6361285 (2002-03-01), Lehner
patent: 6575079 (2003-06-01), Lim et al.
patent: 6802244 (2004-10-01), Stoppek et al.

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