JPH041651U - - Google Patents
Info
- Publication number
- JPH041651U JPH041651U JP3949190U JP3949190U JPH041651U JP H041651 U JPH041651 U JP H041651U JP 3949190 U JP3949190 U JP 3949190U JP 3949190 U JP3949190 U JP 3949190U JP H041651 U JPH041651 U JP H041651U
- Authority
- JP
- Japan
- Prior art keywords
- idle
- fuel injection
- injection amount
- basic fuel
- operation condition
- 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
- 239000000446 fuel Substances 0.000 claims 3
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示すシステム図、第
３図はアイドル運転条件成立か否かを判断するル
ーチン、第４図は従来の問題点を示す図である。
１……機関、３……スロツトル弁、４……補助
空気通路、５……アイドル制御弁、６……スロツ
トルセンサ、７……水温センサ、８……回転数セ
ンサ、９……スタートスイツチ、１０……コント
ロールユニツト。
Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a system diagram showing an embodiment of the present invention, FIG. 3 is a routine for determining whether or not idling conditions are met, and FIG. 4 is a diagram showing problems in the conventional system. 1... Engine, 3... Throttle valve, 4... Auxiliary air passage, 5... Idle control valve, 6... Throttle sensor, 7... Water temperature sensor, 8... Rotation speed sensor, 9... Start switch , 10...control unit.
Claims (1)
装された空気流量を制御するアイドル制御弁と、 アイドル運転条件を検出するアイドル運転条件
検出手段と、 前記アイドル運転条件検出手段によるアイドル
運転条件の検出時に、予め設定された目標アイド
ル回転数に、機関回転数を近づけるように前記ア
イドル制御弁をフイードバツク制御するフイード
バツク制御手段と、 を備えた内燃機関のアイドル回転数制御装置に
おいて、 機関運転状態に基づいて基本燃料噴射量を演算
する基本燃料噴射量演算手段と、 前記所定のアイドル運転条件が検出された後に
演算される基本燃料噴射量が所定値以上の場合は
、前記アイドル運転条件が不成立と判定する不成
立判定手段と、 を備えてなることを特徴とする内燃機関のアイド
ル回転数制御装置。[Scope of Claim for Utility Model Registration] An idle control valve that controls the air flow rate and is installed in an auxiliary air passage that bypasses a throttle valve, an idle operation condition detection means that detects an idle operation condition, and the idle operation condition detection means an idle speed control device for an internal combustion engine, comprising: feedback control means for feedback-controlling the idle control valve so as to bring the engine speed close to a preset target idle speed when detecting idle operating conditions; , a basic fuel injection amount calculating means for calculating a basic fuel injection amount based on the engine operating state, and when the basic fuel injection amount calculated after the predetermined idle operating condition is detected is a predetermined value or more, the idle An idle rotation speed control device for an internal combustion engine, comprising: a failure determining means for determining that an operating condition is not satisfied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3949190U JPH041651U (en) | 1990-04-16 | 1990-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3949190U JPH041651U (en) | 1990-04-16 | 1990-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041651U true JPH041651U (en) | 1992-01-08 |
Family
ID=31548447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3949190U Pending JPH041651U (en) | 1990-04-16 | 1990-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041651U (en) |
-
1990
- 1990-04-16 JP JP3949190U patent/JPH041651U/ja active Pending