JPS6224036U - - Google Patents

Description

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

第１図は本考案の一実施例を示す構成図、第２
図は同上の作用を説明するための図、第３図は本
考案の他の実施例を示す構成図、第４図は内燃機
関の燃料供給装置の従来例を示す構成図である。 １ａ…主吸気弁、１ｂ…副吸気弁、３…主吸気
通路、４…副吸気通路、８，２０…燃料噴射弁、
２０…副吸気通路用燃料噴射弁、２１…制御装置
。 Fig. 1 is a configuration diagram showing one embodiment of the present invention;
FIG. 3 is a block diagram showing another embodiment of the present invention, and FIG. 4 is a block diagram showing a conventional example of a fuel supply system for an internal combustion engine. 1a...Main intake valve, 1b...Sub-intake valve, 3...Main intake passage, 4...Sub-intake passage, 8, 20...Fuel injection valve,
20... Sub-intake passage fuel injection valve, 21... Control device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １気筒に設けられる主及び副吸気弁と、吸気絞
弁下流から分岐されて夫々又は共通のボリユーム
室を介して前記主及び副吸気弁に夫々連通接続さ
れる主及び副吸気通路と、これら主・副吸気通路
の少なくとも一方に介装され機関運転状態に応じ
て開閉制御される遮断弁と、を備える内燃機関に
おいて、前記主吸気通路に介装される第１燃料供
給装置と、前記副吸気通路に介装される第２燃料
供給装置と、第１及び第２燃料供給装置の作動を
機関運転状態に応じて制御する制御装置と、を備
えたことを特徴とする内燃機関の燃料供給装置。 Main and auxiliary intake valves provided in one cylinder; main and auxiliary intake passages that are branched from downstream of the intake throttle valve and connected to the main and auxiliary intake valves through respective or common volume chambers; - A first fuel supply device installed in the main intake passage; and a cutoff valve installed in at least one of the auxiliary intake passages and controlled to open and close depending on the engine operating state. A fuel supply device for an internal combustion engine, comprising: a second fuel supply device interposed in a passage; and a control device that controls operations of the first and second fuel supply devices according to engine operating conditions. .