JPH0383329U - - Google Patents
Info
- Publication number
- JPH0383329U JPH0383329U JP14431889U JP14431889U JPH0383329U JP H0383329 U JPH0383329 U JP H0383329U JP 14431889 U JP14431889 U JP 14431889U JP 14431889 U JP14431889 U JP 14431889U JP H0383329 U JPH0383329 U JP H0383329U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- pipe
- control tube
- engine
- intake pipe
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図は本考案による第１の実施例である低速
時の可変吸気装置を示す断面図、第２図は第１図
の要部における拡大−断面図、第３図は第２
図の−断面図、第４図は高速時の可変吸気装
置の断面図、第５図はエンジン回転数による体積
効率の特性図、第６図および第７図は第２の実施
例を示す可変吸気装置の断面図である。
１……エンジン、１ａ……シリンダヘツド、２
……吸入管、４……吸気チヤンバ、５……吸気管
、５ａ……外管、５ｂ……内管、６……コントロ
ール管、１０……モータ（制御手段）、２０……
制御ユニツト、２１……スロツトル開度センサ、
２２……エンジン回転数センサ。
Fig. 1 is a cross-sectional view showing a variable intake system at low speed, which is the first embodiment of the present invention, Fig. 2 is an enlarged cross-sectional view of the main part of Fig. 1, and Fig. 3 is a cross-sectional view of the
Figure 4 is a cross-sectional view of the variable intake system at high speeds, Figure 5 is a characteristic diagram of volumetric efficiency depending on engine speed, and Figures 6 and 7 are variable intake devices showing the second embodiment. FIG. 3 is a cross-sectional view of the intake device. 1...Engine, 1a...Cylinder head, 2
...Intake pipe, 4...Intake chamber, 5...Intake pipe, 5a...Outer pipe, 5b...Inner pipe, 6...Control pipe, 10...Motor (control means), 20...
Control unit, 21...throttle opening sensor,
22...Engine speed sensor.
Claims (1)
連通する２重管構造の吸気管において、 上記吸気チヤンバ内に、上記吸気管の内管の端
部に連通または離間するように移動自在なコント
ロール管を設け、 エンジン回転数センサおよびスロツトル開度セ
ンサにて検出された信号に応じて上記内管の端部
に上記コントロール管を連通または離間させる手
段を、上記コントロール管に設けてなることを特
徴とするエンジンの可変吸気装置。[Claims for Utility Model Registration] In an intake pipe with a double pipe structure that communicates from the intake chamber to the cylinder head of the engine, the intake pipe is moved into the intake chamber so as to communicate with or be separated from the end of the inner pipe of the intake pipe. A flexible control tube is provided, and the control tube is provided with means for communicating or separating the control tube from an end of the inner tube in response to signals detected by an engine rotation speed sensor and a throttle opening sensor. A variable intake system for an engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14431889U JPH0383329U (en) | 1989-12-13 | 1989-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14431889U JPH0383329U (en) | 1989-12-13 | 1989-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0383329U true JPH0383329U (en) | 1991-08-23 |
Family
ID=31691022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14431889U Pending JPH0383329U (en) | 1989-12-13 | 1989-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0383329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020026565A1 (en) * | 2018-08-02 | 2020-02-06 | ヤマハ発動機株式会社 | Internal combustion engine |
-
1989
- 1989-12-13 JP JP14431889U patent/JPH0383329U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020026565A1 (en) * | 2018-08-02 | 2020-02-06 | ヤマハ発動機株式会社 | Internal combustion engine |