JPH0444446U - - Google Patents
Info
- Publication number
- JPH0444446U JPH0444446U JP8694290U JP8694290U JPH0444446U JP H0444446 U JPH0444446 U JP H0444446U JP 8694290 U JP8694290 U JP 8694290U JP 8694290 U JP8694290 U JP 8694290U JP H0444446 U JPH0444446 U JP H0444446U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- warm
- control valve
- state
- exhaust system
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000030279 gene silencing Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Characterised By The Charging Evacuation (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Exhaust Silencers (AREA)
Description
第１図は、本考案の一実施例を示す全体概念図
、第２図は、同実施例の制御内容を示すフローチ
ヤート、第３図は、本考案の第２実施例を示す制
御内容説明図、第４図は、本考案の第３実施例を
示す全体概念図である。
１……エンジン、６……第１後側排気管（排気
通路）、７……第２後側排気管（排気通路）、８
……第１メインマフラ（マフラ）、９……第２メ
インマフラ（マフラ）、１０……制御バルブ、１
５……コントローラ、１６……回転数センサ、１
８……水温センサ（暖機状態検出手段）、２０…
…油温センサ（暖機状態検出手段）、Ｒ……エン
ジン回転数、Ｗ……水温、Ｅ……油温。
Fig. 1 is an overall conceptual diagram showing one embodiment of the present invention, Fig. 2 is a flowchart showing control contents of the same embodiment, and Fig. 3 is an explanation of control contents showing a second embodiment of the present invention. FIG. 4 is an overall conceptual diagram showing a third embodiment of the present invention. 1... Engine, 6... First rear exhaust pipe (exhaust passage), 7... Second rear exhaust pipe (exhaust passage), 8
...First main muffler (muffler), 9...Second main muffler (muffler), 10...Control valve, 1
5... Controller, 16... Rotation speed sensor, 1
8...Water temperature sensor (warm-up state detection means), 20...
...Oil temperature sensor (warm-up state detection means), R...Engine speed, W...Water temperature, E...Oil temperature.
Claims (1)
く複数の排気通路が設けられ、該排気通路のいず
れかに、制御バルブが介挿され、該制御バルブを
少なくともエンジン回転数に基づき開閉制御して
、前記エンジンの出力特性と前記排気系の消音特
性とを可変設定する制御型排気装置において、前
記エンジンの暖機状態を検出する暖機状態検出手
段が設けられ、該暖機状態検出手段により検出さ
れたエンジンの暖機状態が所定の低温度領域にあ
るとき、前記制御バルブを閉作動させるようにし
たことを特徴とする制御型排気装置の暖機促進構
造。 A plurality of exhaust passages are provided that guide exhaust gas discharged from the engine to the muffler, and a control valve is inserted into one of the exhaust passages, and the opening and closing of the control valve is controlled based on at least the engine speed. In a controlled exhaust system that variably sets the output characteristics of the engine and the silencing characteristics of the exhaust system, a warm-up state detection means for detecting a warm-up state of the engine is provided, and the warm-up state detection means detects the warm-up state of the engine. A warm-up promotion structure for a controlled exhaust system, characterized in that the control valve is closed when the engine is warmed up in a predetermined low temperature range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8694290U JPH0444446U (en) | 1990-08-20 | 1990-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8694290U JPH0444446U (en) | 1990-08-20 | 1990-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444446U true JPH0444446U (en) | 1992-04-15 |
Family
ID=31818891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8694290U Pending JPH0444446U (en) | 1990-08-20 | 1990-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444446U (en) |
-
1990
- 1990-08-20 JP JP8694290U patent/JPH0444446U/ja active Pending
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