JPS61136136U

JPS61136136U -

Info

Publication number: JPS61136136U
Application number: JP1885785U
Authority: JP
Priority date: 1985-02-13
Filing date: 1985-02-13
Publication date: 1986-08-25

Description

[Brief explanation of the drawing]

第１〜４図は本考案の第１実施例としての内燃
機関用吸気スワール制御装置を示すもので、第１
図はその要部の概略構成を示す模式図、第２図は
その吸気の状態を説明するための模式図、第３図
はその方向可変ノズル機構による作用を説明する
ための模式図、第４図はそのスワール強さと吸気
噴出し角度との関係を示すグラフであり、第５〜
９図は本考案の第２実施例としての内燃機関用吸
気スワール制御装置を示すもので、第５図はその
要部の概略構成を示す模式図、第６図はその可変
ピツチ翼駆動原理を説明するための模式図、第７
，８図はいずれもその吸気噴出しの様子を示す模
式図、第９図はそのスワール強さとピツチ角との
関係を示すグラフである。１……燃焼室、２……ヘルカルポート、３……
第１吸気通路としての主吸気通路、４……第２吸
気通路としての幅吸気通路、６……回転ノズル、
５ａ……ノズル開口、６……吸気弁、７……駆動
軸、８……可変ピツチ翼、８ａ……軸線、９……
リンク、１０，１０′……アクチユエータ、１１
……コントローラ、１２……回転数センサ、１３
……アクセルレバー開度センサ、１００……ピス
トン、ＮＭ……方向可変ノズル機構、ＮＰ……方
向可変ノズル部。 1 to 4 show an intake swirl control device for an internal combustion engine as a first embodiment of the present invention.
The figure is a schematic diagram showing the general configuration of the main parts, Figure 2 is a schematic diagram to explain the state of intake air, Figure 3 is a schematic diagram to explain the action of the variable direction nozzle mechanism, and Figure 4 is a schematic diagram to explain the action of the variable direction nozzle mechanism. The figure is a graph showing the relationship between the swirl strength and the intake air jet angle.
Fig. 9 shows an intake swirl control device for an internal combustion engine as a second embodiment of the present invention, Fig. 5 is a schematic diagram showing the general configuration of its main parts, and Fig. 6 shows its variable pitch blade drive principle. Schematic diagram for explanation, No. 7
, 8 are schematic diagrams showing how the intake air blows out, and FIG. 9 is a graph showing the relationship between the swirl strength and the pitch angle. 1...Combustion chamber, 2...Helcal port, 3...
Main intake passage as a first intake passage, 4... Width intake passage as a second intake passage, 6... Rotating nozzle,
5a... Nozzle opening, 6... Intake valve, 7... Drive shaft, 8... Variable pitch blade, 8a... Axis line, 9...
Link, 10, 10'... Actuator, 11
... Controller, 12 ... Rotation speed sensor, 13
...Accelerator lever opening sensor, 100...Piston, NM...Direction variable nozzle mechanism, NP...Direction variable nozzle section.

Claims

[Scope of utility model registration request]

A first intake passage connected to a combustion chamber of an internal combustion engine via a helical port, and a second intake passage connected to the first intake passage. An intake swirl control device for an internal combustion engine, comprising a variable direction nozzle mechanism that can change the direction of intake air into a first intake passage.