JPS5848933U - Diesel engine combustion chamber - Google Patents

Diesel engine combustion chamber

Info

Publication number
JPS5848933U
JPS5848933U JP14664281U JP14664281U JPS5848933U JP S5848933 U JPS5848933 U JP S5848933U JP 14664281 U JP14664281 U JP 14664281U JP 14664281 U JP14664281 U JP 14664281U JP S5848933 U JPS5848933 U JP S5848933U
Authority
JP
Japan
Prior art keywords
combustion chamber
diesel engine
convex portion
piston
cylinder head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14664281U
Other languages
Japanese (ja)
Inventor
義隆 野元
Original Assignee
マツダ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by マツダ株式会社 filed Critical マツダ株式会社
Priority to JP14664281U priority Critical patent/JPS5848933U/en
Publication of JPS5848933U publication Critical patent/JPS5848933U/en
Pending legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の１実施例の断面図、第２図は第１図
に示すピストンの上面図である。 １・・・シリンダ、２・・・ピストン、３・・・シリン
ダヘッド、５・・・凹部、６・・・凸部、９ａ、　　９
ｂ・・・不キッシュ空間、１７・・・燃焼室、２１．　
２２・・・連通孔。FIG. 1 is a sectional view of one embodiment of this invention, and FIG. 2 is a top view of the piston shown in FIG. 1. DESCRIPTION OF SYMBOLS 1... Cylinder, 2... Piston, 3... Cylinder head, 5... Concave part, 6... Convex part, 9a, 9
b... Non-quiche space, 17... Combustion chamber, 21.
22...Communication hole.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ピストン上部に燃焼室を形成してなる直接噴射式
ディーゼルエンジンにおいて、 シリンダヘッド下面に形成されて吸気ポートおよび排気
ポートを包含し、該両ボートの開口中心を含む直線方向
に長い長円状凹部と、ピストン上面に形成されて圧縮行
程終期において上記長円状凹部内に嵌合する長円状凸部
と、該凸部に形成された燃焼室と、該凸部外方のピスト
ン上面とシリンダヘッド下面とで形成されるスキッシュ
空間と上記燃焼室とを連通ずる連通孔とを備えてなるこ
とを特徴とするディーゼルエンジンの燃焼室。(1) In a direct injection diesel engine in which a combustion chamber is formed in the upper part of the piston, an ellipse is formed in the lower surface of the cylinder head, encompassing the intake port and the exhaust port, and extending in a straight line direction including the center of the opening of both boats. a concave portion, an oblong convex portion formed on the upper surface of the piston and fitted into the oblong concave portion at the end of the compression stroke, a combustion chamber formed in the convex portion, and an upper surface of the piston outside the convex portion. A combustion chamber for a diesel engine, comprising a communication hole that communicates a squish space formed by a lower surface of a cylinder head and a lower surface of a cylinder head with the combustion chamber. （２）上記連通孔がスキッシュ空間の吸気をピストン軸
まわりの旋回流として燃焼室内に導入する構成であるこ
とを特徴とする実用新案登録請求の範囲第１項に記載の
ディーゼルエンジンの燃焼室。(2) The combustion chamber of a diesel engine according to claim 1, wherein the communication hole is configured to introduce the intake air from the squish space into the combustion chamber as a swirling flow around the piston axis. （３）上記連通孔が上記長円状凸部両側の各スキッシュ
空間に開口するように２個設けられ、かつ旋回流方向に
対してスキッシュ空間のリーディング側に開口するよう
に設けられたことを特徴とする実用新案登録請求の範囲
第２項に記載のディーゼルエンジンの燃焼室。(3) Two communicating holes are provided so as to open into each squish space on both sides of the elliptical convex portion, and are provided so as to open on the leading side of the squish space with respect to the swirling flow direction. A combustion chamber for a diesel engine according to claim 2 of the utility model registration claim.
JP14664281U 1981-09-29 1981-09-29 Diesel engine combustion chamber Pending JPS5848933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14664281U JPS5848933U (en) 1981-09-29 1981-09-29 Diesel engine combustion chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14664281U JPS5848933U (en) 1981-09-29 1981-09-29 Diesel engine combustion chamber

Publications (1)

Publication Number Publication Date
JPS5848933U true JPS5848933U (en) 1983-04-02

Family

ID=29939542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14664281U Pending JPS5848933U (en) 1981-09-29 1981-09-29 Diesel engine combustion chamber

Country Status (1)

Country Link
JP (1) JPS5848933U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022106738A (en) * 2016-01-14 2022-07-20 ノーティラス・エンジニアリング・リミテッド・ライアビリティ・カンパニー System and method with improved compression ignition engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022106738A (en) * 2016-01-14 2022-07-20 ノーティラス・エンジニアリング・リミテッド・ライアビリティ・カンパニー System and method with improved compression ignition engine

Similar Documents

Publication Publication Date Title
JPS5949755U (en) internal combustion engine
JPS5848933U (en) Diesel engine combustion chamber
JPS5991420U (en) Swirl chamber diesel engine
JPS595720U (en) engine structure
JPS5965927U (en) Engine combustion chamber structure
JPS6055725U (en) Engine combustion chamber structure
JPS6015947U (en) Water-cooled engine cylinder head
JPS5873927U (en) Combustion chamber of pre-chamber diesel engine
JPS59114419U (en) Direct injection diesel engine piston
JPS59194528U (en) Engine combustion chamber structure
JPS5952036U (en) variable cylinder number engine
JPS5927132U (en) side valve engine piston
JPS60153844U (en) engine cylinder head
JPS5851023U (en) Combustion chamber structure of internal combustion engine
JPS5867931U (en) internal combustion engine
JPS5870423U (en) internal combustion engine
JPS5949766U (en) internal combustion engine
JPS60155749U (en) Engine cylinder head structure
JPS5830720U (en) Combustion chamber structure of internal combustion engine
JPS5835645U (en) Cylinder head of small multi-cylinder diesel engine
JPS5913652U (en) 2 cycle engine piston
JPS59146529U (en) Combustion chamber structure of internal combustion engine
JPS6055726U (en) Engine combustion chamber structure
JPS5960367U (en) internal combustion engine cylinder head
JPS60155729U (en) Internal combustion engine scavenging device