JPH03104137U - - Google Patents
Info
- Publication number
- JPH03104137U JPH03104137U JP1321390U JP1321390U JPH03104137U JP H03104137 U JPH03104137 U JP H03104137U JP 1321390 U JP1321390 U JP 1321390U JP 1321390 U JP1321390 U JP 1321390U JP H03104137 U JPH03104137 U JP H03104137U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- detection means
- overspeed
- secondary valve
- intake passage
- 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 2
- 238000001514 detection method Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案の第１実施例を示す概略系統図
、第２図は本考案の第２実施例を示す概略系統図
である。
３……スロツトルバルブ、４……吸気通路、５
……エンジン、６……燃焼室、７……２次バルブ
、８，２１……ダイアフラムアクチユエータ、１
８……エンジン回転数センサ。
FIG. 1 is a schematic system diagram showing a first embodiment of the present invention, and FIG. 2 is a schematic system diagram showing a second embodiment of the present invention. 3...Throttle valve, 4...Intake passage, 5
... Engine, 6 ... Combustion chamber, 7 ... Secondary valve, 8, 21 ... Diaphragm actuator, 1
8...Engine speed sensor.
Claims (1)
をエンジンの燃焼室に供給する吸気通路中に、該
吸気通路内の混合気流量を制御する２次バルブを
設け、別に、エンジンの低負荷域から高負荷域に
亘つてエンジンの過回転を検知する検知手段を設
け、該検知手段と前記２次バルブとを、該検知手
段がエンジンの過回転を検知した場合に２次バル
ブを閉方向に作動するように関連させたことを特
徴とするエンジンの過回転防止装置。 A secondary valve that controls the flow rate of the mixture in the intake passage is installed in the intake passage that supplies the mixture whose flow rate is controlled by the throttle valve to the combustion chamber of the engine. A detection means for detecting overspeed of the engine over a range is provided, and the detection means and the secondary valve are arranged such that when the detection means detects overspeed of the engine, the secondary valve is operated in the closing direction. An engine overspeed prevention device characterized in that it is associated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1321390U JPH03104137U (en) | 1990-02-13 | 1990-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1321390U JPH03104137U (en) | 1990-02-13 | 1990-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104137U true JPH03104137U (en) | 1991-10-29 |
Family
ID=31516643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1321390U Pending JPH03104137U (en) | 1990-02-13 | 1990-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104137U (en) |
-
1990
- 1990-02-13 JP JP1321390U patent/JPH03104137U/ja active Pending