JPS6030320U

JPS6030320U - Diesel engine with sub-chamber

Info

Publication number: JPS6030320U
Application number: JP12251783U
Authority: JP
Inventors: 細川　哲寛
Original assignee: トヨタ自動車株式会社
Priority date: 1983-08-05
Filing date: 1983-08-05
Publication date: 1985-03-01

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 drawings]

第１図は、従来の副室付ディーゼル機関の縦断面図、第
２図は、第１図の副室郭定部材の斜視図、第３図は、本
考案の第１の実施例の縦断面図、第４図は、第２図の副
室郭定部材の斜視図、第５図は、第３図のＡ部拡大図、
第６図は、本考案の第２の実施例の一部拡大縦断面図、
第７図は、本考案の第３の実施例の一部拡大縦断面図、
第８図は、本考案の第４の実施例の一部拡大縦断面図で
ある。１・・・・・・副室郭定部材、２・・・シリンダヘッド
、３・・・凹部、５・・・副室、６・・・シリンダブロ
ック、７・・・主室、８・・・連通孔、９・・・底部、
１２・・・回転防止部材、１３・・・外側表面、１５・
・・金属環、１６・・・スカート部、１７・・・副室付
ディーゼル機関、１８・・・先端面、１９・・・切欠き
、２０・・・凹嵌部。第３図　　　　、／第５図FIG. 1 is a vertical cross-sectional view of a conventional diesel engine with a pre-chamber, FIG. 2 is a perspective view of the pre-chamber defining member shown in FIG. 1, and FIG. 3 is a longitudinal cross-sectional view of a first embodiment of the present invention. 4 is a perspective view of the subchamber defining member in FIG. 2, FIG. 5 is an enlarged view of section A in FIG. 3,
FIG. 6 is a partially enlarged vertical sectional view of the second embodiment of the present invention;
FIG. 7 is a partially enlarged longitudinal sectional view of the third embodiment of the present invention;
FIG. 8 is a partially enlarged vertical sectional view of the fourth embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Sub-chamber defining member, 2... Cylinder head, 3... Recessed part, 5... Sub-chamber, 6... Cylinder block, 7... Main chamber, 8...・Communication hole, 9...bottom,
12... Rotation prevention member, 13... Outer surface, 15.
...Metal ring, 16...Skirt portion, 17...Diesel engine with auxiliary chamber, 18...Tip surface, 19...Notch, 20...Recessed fitting part. Figure 3, / Figure 5

Claims

[Scope of utility model registration request]

A cup-shaped auxiliary chamber defining member consisting of a skirt portion and a bottom portion is fitted into a recessed portion of the cylinder head with the skirt portion at the beginning, thereby defining a auxiliary chamber within the cylinder head. In the diesel engine with a pre-chamber, the pre-chamber defining member is made of ceramic, a metal ring is shrink-fitted over the entire outer surface of the pre-chamber defining member, and a metal ring is shrink-fitted to the bottom of the pre-chamber defining member. , a communication hole communicating between the auxiliary chamber and the main chamber is bored, a notch is provided in the distal end surface of the skirt portion, and a notch is provided in the cylinder head at a position aligned with the notch. A diesel engine with an auxiliary chamber, characterized in that a recessed fitting portion is provided, and a rotation prevention member is fitted into the notch and the recessed fitting portion.