JPS6047854U

JPS6047854U - ceramic engine

Info

Publication number: JPS6047854U
Application number: JP13915083U
Authority: JP
Inventors: 弘黒岩; 宜茂大山; 豊西村
Original assignee: 株式会社日立製作所
Priority date: 1983-09-09
Filing date: 1983-09-09
Publication date: 1985-04-04

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来エンジンの要部断面図、第２図は本考案に
なるセラミックエンジンの要部断面図である。２・・・シリンダブロック、５・・・コンロッド、１２
・・・燃焼室、２１・・・ピストン、２２・・・シリン
ダライナ、２３・・・燃焼室ヘッド部、２４・・・吸気
弁、２５・・・端面、２７・・・往復軸、２８・・・セ
ンター軸、２９・・・プレーン軸受、３０・・・スティ
、３１・・・ピン。FIG. 1 is a sectional view of a main part of a conventional engine, and FIG. 2 is a sectional view of a main part of a ceramic engine according to the present invention. 2... Cylinder block, 5... Connecting rod, 12
... Combustion chamber, 21 ... Piston, 22 ... Cylinder liner, 23 ... Combustion chamber head section, 24 ... Intake valve, 25 ... End face, 27 ... Reciprocating shaft, 28 ... ...Center shaft, 29...Plain bearing, 30...Stay, 31...Pin.

Claims

[Scope of Claim for Utility Model Registration] 1. In a cylinder and piston part forming a combustion chamber made of ceramic material, the ceramic center shaft protruding from the lower end surface of the piston on the piston center axis is firmly connected to the metal thrust shaft. The ceramic engine is characterized in that the thrust shaft is supported by a metal bearing, the metal bearing is fixed to a cylinder block, and the other end of the thrust shaft is connected to a connecting rod. 2. Utility Model Registration Claim 1. The ceramic engine according to claim 1, wherein the piston is provided with a labyrinth on its sliding surface, and its length in the sliding direction is less than half the diameter of the piston.