JPS59196521U - direct injection internal combustion engine - Google Patents

direct injection internal combustion engine

Info

Publication number
JPS59196521U
JPS59196521U JP9172083U JP9172083U JPS59196521U JP S59196521 U JPS59196521 U JP S59196521U JP 9172083 U JP9172083 U JP 9172083U JP 9172083 U JP9172083 U JP 9172083U JP S59196521 U JPS59196521 U JP S59196521U
Authority
JP
Japan
Prior art keywords
combustion chamber
chamber recess
fuel
injection nozzle
fuel injection
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
JP9172083U
Other languages
Japanese (ja)
Inventor
哲 渡部
忍 石山
守 神谷
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP9172083U priority Critical patent/JPS59196521U/en
Publication of JPS59196521U publication Critical patent/JPS59196521U/en
Pending legal-status Critical Current

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  • 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) [Abstract] 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図は本考案による直接噴射式内燃機関の一つの実施
例をその要部について示す縦断面図、第２図は第１図に
示された直接噴射式内燃機関に用いられるピストンの平
面図である。 １・・・シリンダブロック、２・・・シリンダヘッド、
３・・・シリンダボア、４・・・ピストン、５・・・燃
焼室窪み、６・・・隆起部、７・・・狭窄部、８・・・
上部室空間、９・・・下部室空間、１０・・・燃料噴射
ノズル、１１・・・主噴口、１２・・・副噴口、１３・
・・グロープラグ、１４・・・発熱部。　　゛FIG. 1 is a longitudinal sectional view showing the main parts of one embodiment of a direct injection internal combustion engine according to the present invention, and FIG. 2 is a plan view of a piston used in the direct injection internal combustion engine shown in FIG. 1. It is. 1... Cylinder block, 2... Cylinder head,
3... Cylinder bore, 4... Piston, 5... Combustion chamber recess, 6... Protruding portion, 7... Narrowing portion, 8...
Upper chamber space, 9... Lower chamber space, 10... Fuel injection nozzle, 11... Main nozzle, 12... Sub-nozzle, 13.
... Glow plug, 14... Heat generating part.゛

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストンの頂部に燃焼室窪みを有し、燃料噴射ノズルよ
り前記燃焼室窪みへ向けて燃料を噴射される直接噴射式
内燃機関に於て、前記燃焼室窪みはその側周壁に設けら
れた環状の隆起部により与えられる狭窄部を備え、燃料
噴射ノズルは前記狭窄部より前記燃焼室窪みの開口縁の
側へ向けて燃料を噴射する噴口と前記狭窄部より前記燃
焼室窪みの底部の側へ向けて燃料を噴射する噴口とを有
し、前記狭窄部より前記燃焼室窪みの開口縁の側にグロ
ープラグの発熱部が配設されている直接噴射式内燃機関
。In a direct injection internal combustion engine, which has a combustion chamber recess at the top of the piston, and in which fuel is injected from a fuel injection nozzle toward the combustion chamber recess, the combustion chamber recess has an annular shape provided on its side peripheral wall. The fuel injection nozzle includes a constricted portion provided by a protuberance, and a fuel injection nozzle includes an injection port that injects fuel from the constricted portion toward an opening edge side of the combustion chamber recess, and a fuel injection nozzle directed from the narrow portion toward the bottom side of the combustion chamber recess. and a nozzle for injecting fuel, the heat generating part of the glow plug being disposed closer to the opening edge of the combustion chamber recess than the narrowed part.
JP9172083U 1983-06-14 1983-06-14 direct injection internal combustion engine Pending JPS59196521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9172083U JPS59196521U (en) 1983-06-14 1983-06-14 direct injection internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9172083U JPS59196521U (en) 1983-06-14 1983-06-14 direct injection internal combustion engine

Publications (1)

Publication Number Publication Date
JPS59196521U true JPS59196521U (en) 1984-12-27

Family

ID=30221781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9172083U Pending JPS59196521U (en) 1983-06-14 1983-06-14 direct injection internal combustion engine

Country Status (1)

Country Link
JP (1) JPS59196521U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278425A (en) * 1985-09-30 1987-04-10 Isuzu Motors Ltd Spark assist diesel engine
JPS62139919A (en) * 1985-12-13 1987-06-23 Isuzu Motors Ltd Combustion chamber of internal combustion engine
JPS62162722A (en) * 1986-01-14 1987-07-18 Toyota Motor Corp Cylinder direct injection type spark ignition engine
JPS62255525A (en) * 1986-04-30 1987-11-07 Isuzu Motors Ltd Combustion chamber of internal combustion engine
JPS62276216A (en) * 1986-05-22 1987-12-01 Isuzu Motors Ltd Combustion chamber in internal combustion engine
JPS63227920A (en) * 1987-03-16 1988-09-22 Toyota Motor Corp In-cylinder injection type spark ignition engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278425A (en) * 1985-09-30 1987-04-10 Isuzu Motors Ltd Spark assist diesel engine
JPS62139919A (en) * 1985-12-13 1987-06-23 Isuzu Motors Ltd Combustion chamber of internal combustion engine
JPS62162722A (en) * 1986-01-14 1987-07-18 Toyota Motor Corp Cylinder direct injection type spark ignition engine
JPS62255525A (en) * 1986-04-30 1987-11-07 Isuzu Motors Ltd Combustion chamber of internal combustion engine
JPS62276216A (en) * 1986-05-22 1987-12-01 Isuzu Motors Ltd Combustion chamber in internal combustion engine
JPS63227920A (en) * 1987-03-16 1988-09-22 Toyota Motor Corp In-cylinder injection type spark ignition engine

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