JPH0191038U - - Google Patents
Info
- Publication number
- JPH0191038U JPH0191038U JP18597887U JP18597887U JPH0191038U JP H0191038 U JPH0191038 U JP H0191038U JP 18597887 U JP18597887 U JP 18597887U JP 18597887 U JP18597887 U JP 18597887U JP H0191038 U JPH0191038 U JP H0191038U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- valve
- detecting
- detection means
- fully closed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案に係わる内燃機関の吸気装置の
構成を示すブロツク図、第２図は同上装置の一実
施例を示すシステム図、第３図は同上実施例にお
けるスワール制御弁の構成を示す正面図、第４図
は同上実施例の制御内容を示すフローチヤート、
第５図は従来装置におけるアイドルスイツチ及び
スロツトル弁の作動と内燃機関吸気管の圧力の関
係を示すタイムチヤートである。
１……機関、２……吸気通路、４……エアフロ
ーメータ、５……スロツトル弁、６……吸気マニ
ホールド、７……吸気弁、８……スワール制御弁
、９……燃料噴射弁、１０……コントロールユニ
ツト、１２……クランク角センサ、１３……スロ
ツトルセンサ、１４……アイドルスイツチ、１８
……負圧アクチユエータ、２１……電磁弁。
Fig. 1 is a block diagram showing the configuration of an intake system for an internal combustion engine according to the present invention, Fig. 2 is a system diagram showing an embodiment of the same device, and Fig. 3 shows the structure of a swirl control valve in the above embodiment. A front view, FIG. 4 is a flowchart showing the control contents of the above embodiment,
FIG. 5 is a time chart showing the relationship between the operation of the idle switch and throttle valve and the pressure in the internal combustion engine intake pipe in the conventional device. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake passage, 4... Air flow meter, 5... Throttle valve, 6... Intake manifold, 7... Intake valve, 8... Swirl control valve, 9... Fuel injection valve, 10 ... Control unit, 12 ... Crank angle sensor, 13 ... Throttle sensor, 14 ... Idle switch, 18
... Negative pressure actuator, 21 ... Solenoid valve.
Claims (1)
通路開口面積を充分小さくすることにより、アイ
ドル回転時に吸気流速を高めて吸気乱れを大きく
するためのアイドル時用スワール制御弁を備えた
内燃機関の吸気装置において、吸気通路に介装さ
れたスロツトル弁の全閉を検出するスロツトル弁
全閉検出手段と、機関回転数を検出する回転数検
出手段と、スロツトル弁全閉検出時であつて回転
数が所定値以下の低速時に、スワール制御弁を閉
じる弁開閉制御手段とを設けたことを特徴とする
内燃機関の吸気装置。 An internal combustion engine equipped with an idle swirl control valve that is installed in the intake passage near the intake valve and makes the opening area of the passage sufficiently small when the intake valve is closed, thereby increasing the intake flow velocity and increasing intake turbulence during idle rotation. In the intake system, a throttle valve fully closed detection means for detecting the fully closed throttle valve installed in the intake passage, a rotation speed detection means for detecting the engine speed, and a throttle valve fully closed detection means for detecting the engine speed, and a 1. An intake system for an internal combustion engine, comprising: valve opening/closing control means for closing a swirl control valve when the number of swirl control valves is at low speeds below a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18597887U JPH0191038U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18597887U JPH0191038U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191038U true JPH0191038U (en) | 1989-06-15 |
Family
ID=31477231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18597887U Pending JPH0191038U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191038U (en) |
-
1987
- 1987-12-08 JP JP18597887U patent/JPH0191038U/ja active Pending