JPH0235968U

JPH0235968U -

Info

Publication number: JPH0235968U
Application number: JP11096888U
Authority: JP
Priority date: 1988-08-24
Filing date: 1988-08-24
Publication date: 1990-03-08

Description

[Brief explanation of drawings]

第１図は本考案による燃料吸気制御装置を備え
た内燃機関の一つの実施例を示す概略構成図、第
２図は本考案による燃料吸気制御装置の切換弁に
対する通電制御の一例を示すフローチヤート、第
３図は第２図に示されたフローチヤートに於ける
始動モードの定義を示す線図である。１０……内燃機関本体、１２……燃焼室、１４
……吸気ポート、１６……排気ポート、１８……
燃料インジエクタ、２０……吸気マニホールド、
２２……サージタンク、２４……スロツトル弁、
２６……インタクーラ、２８……ターボチヤージ
ヤ、３０……コンプレツサ、３２……エアクリー
ナ、３４……排気マニホールド、３６……タービ
ン、４０……デリバリパイプ、４２……プレツシ
ヤレギユレータ、４４……燃料室、４６……ダイ
ヤフラム、４８……圧力室、５０……導管、５２
……切換弁、５４……圧力室ポート、５６……吸
気管ポート、５８……大気取入ポート、６０，６
２……導管、６４……オリフイス、７０……マイ
クロコンピユータ、７２……スロツトルポジシヨ
ンセンサ、７４……圧力センサ、７６……水温セ
ンサ、７８……ノツクセンサ、８０……吸気温セ
ンサ、８２……回転数センサ。 FIG. 1 is a schematic configuration diagram showing one embodiment of an internal combustion engine equipped with a fuel intake control device according to the present invention, and FIG. 2 is a flowchart showing an example of energization control for the switching valve of the fuel intake control device according to the present invention. , FIG. 3 is a diagram showing the definition of the starting mode in the flowchart shown in FIG. 10... Internal combustion engine main body, 12... Combustion chamber, 14
...Intake port, 16...Exhaust port, 18...
Fuel injector, 20...Intake manifold,
22...Surge tank, 24...Throttle valve,
26... Intercooler, 28... Turbo charger, 30... Compressor, 32... Air cleaner, 34... Exhaust manifold, 36... Turbine, 40... Delivery pipe, 42... Pressure regulator, 44... Fuel chamber, 46...Diaphragm, 48...Pressure chamber, 50...Conduit, 52
...Switching valve, 54...Pressure chamber port, 56...Intake pipe port, 58...Atmospheric intake port, 60,6
2... Conduit, 64... Orifice, 70... Microcomputer, 72... Throttle position sensor, 74... Pressure sensor, 76... Water temperature sensor, 78... Knock sensor, 80... Intake temperature sensor, 82 ...Rotation speed sensor.

Claims

[Scope of utility model registration request]

In a fuel intake control device for a fuel injection type internal combustion engine having a pressure regulator that adjusts the pressure of fuel applied to a fuel injector according to an equilibrium relationship with the pressure of the pressure chamber, the pressure communicating with the pressure chamber A chamber port, an intake pipe port that communicates with an intake passage downstream of the intake throttle valve, and an atmosphere intake port that is substantially open to the atmosphere, and in the first switching position, the atmosphere intake port an internal combustion engine; a switching control device that switches the switching valve to the second switching position when starting at a high temperature.