Method for manufacturing a piston

Details Method for manufacturing a piston Method for manufacturing a piston

1998-08-14

2000-02-01

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29557, H01B 1900

Patent

active

060188685

ABSTRACT:
A method for manufacturing a piston, wherein the piston includes a piston body with through-channels for fluid which are covered by valve disks on supporting bodies with valve support surfaces. The piston body is constructed in one piece in a disk-shaped manner by press stamping. Starting from a base body of the piston, the raised areas of the piston body on one side of the piston are formed as depressions on the axially opposite side. The piston has at least one support for the valve disks whose axial height is adapted to the height of the support surfaces. The support on both sides of the piston is stamped from the base body of the piston and the valve support surfaces and the support are machined in the same manufacturing step on a common plane.

REFERENCES:
patent: 4419804 (1983-12-01), Axthammer
patent: 4765167 (1988-08-01), Sampson
patent: 4887449 (1989-12-01), Kanai et al.

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