JPS61113916U - - Google Patents
Info
- Publication number
- JPS61113916U JPS61113916U JP19907184U JP19907184U JPS61113916U JP S61113916 U JPS61113916 U JP S61113916U JP 19907184 U JP19907184 U JP 19907184U JP 19907184 U JP19907184 U JP 19907184U JP S61113916 U JPS61113916 U JP S61113916U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- secondary air
- air introduction
- flexible tube
- introduction device
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図はフレキシブルチユーブの構成図、第３図はフ
レキシブルチユーブの長さと排気管の二次空気導
入口における変動圧の関係を示す線図、第４図は
本考案に係る装置の作用を説明するためのフロー
チヤートである。
１０……エアクリーナ、１４……エンジン、１
６……排気管、１８……触媒コンバータ、２４…
…二次空気導入チユーブ、２４ａ，２４ｂ……フ
レキシブルチユーブ、２６……圧縮ポンプ、３０
……バルブ、３２……コントロール、３４……負
荷センサ、３６……エンジン回転数センサ。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram of the flexible tube, Figure 3 is a diagram showing the relationship between the length of the flexible tube and the fluctuating pressure at the secondary air inlet of the exhaust pipe, and Figure 4 is for explaining the operation of the device according to the present invention. This is a flowchart. 10...Air cleaner, 14...Engine, 1
6...exhaust pipe, 18...catalytic converter, 24...
...Secondary air introduction tube, 24a, 24b...Flexible tube, 26...Compression pump, 30
... Valve, 32 ... Control, 34 ... Load sensor, 36 ... Engine speed sensor.
Claims (1)
入チユーブを介して触媒コンバータ上流側の排気
管内へ導く二次空気導入装置において、二次空気
導入チユーブの管路途中に軸方向への伸縮が自在
なフレキシブルチユーブを有し、かつフレキシブ
ルチユーブの長さをエンジンの運転状態に応じて
変化させるチユーブ伸縮手段を有することを特徴
とする二次空気導入装置。 In the secondary air introduction device that guides air introduced from the air cleaner into the exhaust pipe on the upstream side of the catalytic converter through the secondary air introduction tube, there is a flexible tube that can be freely expanded and contracted in the axial direction in the middle of the secondary air introduction tube. A secondary air introduction device characterized by having a tube and tube expansion/contraction means for changing the length of the flexible tube depending on the operating condition of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19907184U JPS61113916U (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19907184U JPS61113916U (en) | 1984-12-26 | 1984-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61113916U true JPS61113916U (en) | 1986-07-18 |
Family
ID=30758657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19907184U Pending JPS61113916U (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61113916U (en) |
-
1984
- 1984-12-26 JP JP19907184U patent/JPS61113916U/ja active Pending