US 5,960,542 A · Method of producing piston for swash plate compressor

Abstract

In order to produce a single headed piston for a swash plate compressor, the following steps are used. First, a shaped block of metal is cast, the block including a plurality of unfinished piston structures which are aligned and integrated, each unfinished piston structure including a head portion and a neck portion which are axially spaced. Then, the head portions of the piston structures are machined. Then, an outer surface of the cast block is entirely coated with a fluorocarbon resin. Then, the coated outer surfaces of the head portions are ground, and then, each neck portion is machined to form two spherical recesses which face each other, the two spherical recesses being used for slidably receiving shoes. Then, the cast block is cut to separate the piston structures from one another.

Claims17

Dependent claims

A method of producing a plurality of single headed pistons for a swash plate compressor, comprising the steps of:

(a) casting a block of metal, said block including a plurality of unfinished piston structures which are aligned and integrated, each unfinished piston structure including a head portion and a neck portion that are axially spaced;
(b) machining the head portions of the piston structures of the cast block;
(c) coating an outer surface of the cast block entirely with a fluorocarbon resin;
(d) grinding the coated outer surfaces of the head portions of the cast block;
(e) machining each neck portion to form two spherical is recesses which face each other, said two spherical recesses being used for slidably receiving shoes;
and
(f) cutting the cast block to separate the piston structures from one another to form a plurality of single headed pistons.

4 more elements

Dependencies are inferred from the claim text.

Method of producing piston for swash plate compressor

Life of this patent

Method of producing piston for swash plate compressor

Life of this patent

Abstract

Claims17