JPH02127742U

JPH02127742U -

Info

Publication number: JPH02127742U
Application number: JP3559589U
Authority: JP
Priority date: 1989-03-30
Filing date: 1989-03-30
Publication date: 1990-10-22

Description

[Brief explanation of drawings]

第１図は本考案に係るターボチヤージヤ付き内
燃機関の斜視図、第２図は第１図の内燃機関にお
ける吸排気系統図、第３図は第１図の内燃機関を
車両に搭載した状態を示す概略平面図、第４図は
第１図の内燃機関におけるエンジン回転数と各バ
ルブの動作との関係を示す特性図、第５図は第１
図の内燃機関におけるエンジン回転数と軸トルク
との関係を示す特性図、第６図は第１図の内燃機
関における各バルブの動作手順を示すフローチヤ
ート、第７図は従来のターボチヤージヤ付き内燃
機関の一例を示す概略構成図、である。４１……エンジン本体、４７……第１のターボ
チヤージヤ、４９……第２のターボチヤージヤ、
５５……排気切替バルブ、６５，６７……吸気管
、７３……吸気切替バルブ、７５……合流部、８
３……吸気バイパスバルブ。 Fig. 1 is a perspective view of an internal combustion engine with a turbocharger according to the present invention, Fig. 2 is an intake and exhaust system diagram of the internal combustion engine of Fig. 1, and Fig. 3 shows the internal combustion engine of Fig. 1 installed in a vehicle. A schematic plan view, FIG. 4 is a characteristic diagram showing the relationship between the engine speed and the operation of each valve in the internal combustion engine of FIG. 1, and FIG.
Fig. 6 is a flowchart showing the operation procedure of each valve in the internal combustion engine shown in Fig. 1, and Fig. 7 is a conventional turbocharged internal combustion engine. It is a schematic block diagram showing an example. 41...Engine body, 47...First turbocharger, 49...Second turbocharger,
55... Exhaust switching valve, 65, 67... Intake pipe, 73... Intake switching valve, 75... Merging section, 8
3...Intake bypass valve.

Claims

[Scope of utility model registration request]

The first type used in the entire range from low speed range to high speed range
turbocharger and a second turbocharger that operates only at high speeds.
In the internal combustion engine with a turbocharger, the intake air pressure-fed from both the turbochargers is merged, and the intake passage length between the intake outlet of the first turbocharger and the merging position is set to the second turbocharger. An internal combustion engine with a turbocharger, characterized in that the length of the intake passage is shorter than the length of the intake passage between the intake outlet of the turbocharger and the merging position.