JPS5940578U

JPS5940578U - spark ignition internal combustion engine

Info

Publication number: JPS5940578U
Application number: JP13339882U
Authority: JP
Inventors: 伊東　輝行
Original assignee: 日産自動車株式会社
Priority date: 1982-09-01
Filing date: 1982-09-01
Publication date: 1984-03-15

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１，２図は従来の火花点火式内燃機関を示す図であり
、第１図はその概略図、第２図はその噴射パルス信号を
示す図、第３〜９図はこの考案の火花点火式内燃機関を
示す図であり、第３図はその圧縮行程の燃料噴射時の概
略図、第４図はその主吸気路と副吸気路の配置を示す概
略図、第５図はそのコントロールユニットの作用を示す
フローチャート、第６図はその噴射時期をエンジン行程
との関係で示した作用説明図、第７図はその吸気　　、
行程時の概略図、第８図はその吸気行程下死点付近の燃
料噴射時の概略図、第９図はその圧縮行程時の概略図で
ある。１６・・・燃焼室、１９・・・主吸気路、２０・・・副
吸気バルブ、２１・・・副吸気バルブ、２２・・・点火
プラグ、２４・・・噴射ノズル。Figures 1 and 2 are diagrams showing a conventional spark ignition internal combustion engine. Figure 1 is a schematic diagram thereof, Figure 2 is a diagram showing its injection pulse signal, and Figures 3 to 9 are spark ignition internal combustion engines of this invention. Fig. 3 is a schematic diagram showing fuel injection during the compression stroke, Fig. 4 is a schematic diagram showing the arrangement of its main intake passage and sub-intake passage, and Fig. 5 is its control unit. 6 is a flowchart showing the action of the injection timing, FIG. 7 is an explanatory diagram showing the injection timing in relation to the engine stroke, and FIG.
FIG. 8 is a schematic diagram during fuel injection near the bottom dead center of the intake stroke, and FIG. 9 is a schematic diagram during the compression stroke. 16... Combustion chamber, 19... Main intake path, 20... Sub-intake valve, 21... Sub-intake valve, 22... Spark plug, 24... Injection nozzle.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

主吸気バルブを介して燃焼室に連通ずる主吸気路と、副
吸気バルブを介して燃焼室に連通ずる副吸気路と、副吸
気路内に燃料を噴射する噴射ノズルと、燃焼室内に導入
された混合気に点ズνる点火プラグと、を備え、前記噴
射ノズルが各気筒ごとに吸気行程下死点付近において燃
料を噴射するようにしたことを特徴とする火花点火式内
燃機関。A main intake passage that communicates with the combustion chamber via the main intake valve, an auxiliary intake passage that communicates with the combustion chamber via the auxiliary intake valve, an injection nozzle that injects fuel into the auxiliary intake passage, and an injection nozzle that injects fuel into the auxiliary intake passage. 1. A spark ignition internal combustion engine, characterized in that the injection nozzle injects fuel near the bottom dead center of the intake stroke for each cylinder.