JPS644861U - - Google Patents
Info
- Publication number
- JPS644861U JPS644861U JP9826687U JP9826687U JPS644861U JP S644861 U JPS644861 U JP S644861U JP 9826687 U JP9826687 U JP 9826687U JP 9826687 U JP9826687 U JP 9826687U JP S644861 U JPS644861 U JP S644861U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- combustion engine
- internal combustion
- ignition timing
- negative pressure
- 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 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 1
Description
第１図ないし第３図は本考案の一実施例を示す
ものであり、第１図は点火時期制御装置の全体構
成図、第２図は圧力式進角・遅角装置の構成を示
す断面図、第３図は動作図である。第４図は本考
案の他の実施例を示す全体構成図、第５図は点火
時点からの燃焼状態を示す図である。
２……スロツトルバルブ、４……過給機、５…
…チヤンバ、１１……負圧取出しポート、１３…
…負圧スイツチ、１８……三方電磁切換弁、２１
……圧力取出しポート、２４……圧力式進角・遅
角装置、２６……ダイヤフラム、２７……圧力室
。
Figures 1 to 3 show one embodiment of the present invention, with Figure 1 being an overall configuration diagram of an ignition timing control device, and Figure 2 being a cross-sectional view showing the configuration of a pressure-type advance/retard device. 3 and 3 are operation diagrams. FIG. 4 is an overall configuration diagram showing another embodiment of the present invention, and FIG. 5 is a diagram showing the combustion state from the point of ignition. 2...throttle valve, 4...supercharger, 5...
...Chamber, 11...Negative pressure outlet port, 13...
... Negative pressure switch, 18 ... Three-way electromagnetic switching valve, 21
...Pressure extraction port, 24...Pressure advance/retard device, 26...Diaphragm, 27...Pressure chamber.
Claims (1)
スロツトルバルブ下流に配設してなる内燃機関の
点火時期制御用デイストリビユータに、圧力式進
角・遅角装置を設けた過給機付内燃機関において
、 上記機械式過給機下流に設けられた圧力取出し
ポートと上記圧力式進角・遅角装置の圧力室とを
圧力通路によつて連通形成するとともに、上記圧
力通路に三方電磁切換弁を介装し、 上記三方電磁切換弁のソレノイドをオン・オフ
制御する負圧スイツチを設け、 上記負圧スイツチの圧力室と上記スロツトルバ
ルブ全閉時の直下流に設けられた負圧取出しポー
トとを負圧通路によつて連通形成したことを特徴
とする過給機付内燃機関の点火時期制御装置。[Scope of Claim for Utility Model Registration] A pressure-type advance/advance/distributor for controlling the ignition timing of an internal combustion engine in which a mechanical supercharger is disposed downstream of a throttle valve installed in the intake pipe of the internal combustion engine. In a supercharged internal combustion engine equipped with a retardation device, a pressure outlet port provided downstream of the mechanical supercharger and a pressure chamber of the pressure advance/retard device are communicated through a pressure passage. At the same time, a three-way electromagnetic switching valve is installed in the pressure passage, and a negative pressure switch is provided to control on/off the solenoid of the three-way electromagnetic switching valve, so that the pressure chamber of the negative pressure switch and the throttle valve are fully closed. An ignition timing control device for an internal combustion engine with a supercharger, characterized in that the ignition timing control device is configured to communicate with a negative pressure outlet port provided immediately downstream of the ignition timing control device through a negative pressure passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9826687U JPS644861U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9826687U JPS644861U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644861U true JPS644861U (en) | 1989-01-12 |
Family
ID=31324376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9826687U Pending JPS644861U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644861U (en) |
-
1987
- 1987-06-26 JP JP9826687U patent/JPS644861U/ja active Pending
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