Patent Number: 6,332,394

Title: Piston for swash plate type compressor, wherein head portion includes radially inner sliding projection connected to neck portion

Abstract: A piston for a swash plate type compressor, including a head portion slidably fitted in a cylinder bore in a cylinder block of the compressor, a neck portion slidably engaging a swash plate of the compressor, and a connecting portion connecting the head and neck portions, wherein the head portion comprises a circular body portion, and an inner sliding projection extending toward the neck portion from a radially inner circumferential part of the body portion which corresponds to a radially inner portion of the cylinder block. The inner sliding projection has a sliding surface for sliding contact with an inner circumferential surface of the cylinder bore. The sliding surface is symmetrical with respect to a plane including centerlines of the piston and the cylinder block. The connecting portion connects the inner sliding projection and the neck portion.

Inventors: Kato; Takayuki (Kariya, JP), Katayama; Seiji (Kariya, JP), Fukushima; Shigeo (Kariya, JP), Takamatsu; Masato (Kariya, JP), Enokijima; Fuminobu (Kariya, JP)

Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

International Classification: F04B 27/08 (20060101); F01B 031/10 (); F01B 003/00 ()

Expiration Date: 12/25/2018