JPH01124368U - - Google Patents
Info
- Publication number
- JPH01124368U JPH01124368U JP1863688U JP1863688U JPH01124368U JP H01124368 U JPH01124368 U JP H01124368U JP 1863688 U JP1863688 U JP 1863688U JP 1863688 U JP1863688 U JP 1863688U JP H01124368 U JPH01124368 U JP H01124368U
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- throttle valve
- determining
- plateau
- reached
- 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 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す構成図、第２
図は同上の要部回路図である。
２……吸気通路、３……絞弁、６……ダイヤフ
ラム装置、７……三方電磁弁、１１……回転数セ
ンサ、１２……制御装置、１４……差分器、１５
……デイレイ回路。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a circuit diagram of the main parts same as above. 2... Intake passage, 3... Throttle valve, 6... Diaphragm device, 7... Three-way solenoid valve, 11... Rotation speed sensor, 12... Control device, 14... Differential device, 15
...Delay circuit.
Claims (1)
室温度を高めるようにしたデイーゼルエンジンの
始動装置において、吸気通路の有効流路面積を変
化させる絞弁と、エンジンの回転数を検出する回
転数検出手段と、始動時の初爆後に、検出された
回転数に基づいて略常温時のアイドル回転数より
低い回転数域で回転数上昇の頭打ちが発生したか
否かを判定する判定手段と、頭打ちと判定された
ときに前記絞弁を所定開度だけ閉弁駆動する駆動
手段と、を備えたことを特徴とするデイーゼルエ
ンジンの始動装置。 A diesel engine starting device that increases combustion chamber temperature by controlling energization of a glow plug during startup includes a throttle valve that changes the effective flow area of an intake passage, and a rotation speed detection means that detects the engine rotation speed. , a determining means for determining whether or not the rotational speed has reached a plateau in a rotational speed range lower than the idling rotational speed at approximately room temperature based on the detected rotational speed after the first explosion at startup; and determining that the rotational speed has reached a plateau. a driving means for driving the throttle valve to close by a predetermined opening degree when the throttle valve is opened by a predetermined opening degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1863688U JPH01124368U (en) | 1988-02-17 | 1988-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1863688U JPH01124368U (en) | 1988-02-17 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124368U true JPH01124368U (en) | 1989-08-24 |
Family
ID=31233458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1863688U Pending JPH01124368U (en) | 1988-02-17 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124368U (en) |
-
1988
- 1988-02-17 JP JP1863688U patent/JPH01124368U/ja active Pending
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