JPH03114566U - - Google Patents
Info
- Publication number
- JPH03114566U JPH03114566U JP2400990U JP2400990U JPH03114566U JP H03114566 U JPH03114566 U JP H03114566U JP 2400990 U JP2400990 U JP 2400990U JP 2400990 U JP2400990 U JP 2400990U JP H03114566 U JPH03114566 U JP H03114566U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- engine
- valve
- canister
- control means
- 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 description 7
- 238000010926 purge Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 239000002828 fuel tank Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の基本構成図、第２図は本考案
の一実施例としてのエンジンの低温始動装置の全
体構成図、第３図は第２図の装置の燃料供給系の
作動を経時的に説明する波形図、第４図及び第５
図は第２図の装置内のコントローラが行う制御ブ
ログラムのフローチヤート、第６図ａ，ｂ，ｃは
従来装置を用いたエンジンの燃料供給系の概略構
成図を示している。
１，１０……エンジン、３，１０２……吸気路
、１０３，３１……メインインジエクタ、１０５
，４７……バージコントロールバルブ、１０６，
４６……キヤニスタ、１０７，２５……制御手段
、１０８，Ｆ……燃料供給系、１０９，４８……
パージエア通路、２９……水温センサ、ＴＰ……
駆動時間、ＴＷ……水温、ＴＰ……駆動時間。
Fig. 1 is a basic configuration diagram of the present invention, Fig. 2 is an overall configuration diagram of a low temperature starting device for an engine as an embodiment of the present invention, and Fig. 3 shows the operation of the fuel supply system of the device shown in Fig. 2 over time. Waveform diagrams explained in Figures 4 and 5
The figure shows a flowchart of a control program executed by the controller in the device shown in FIG. 2, and FIGS. 6a, b, and c show schematic diagrams of the fuel supply system of an engine using the conventional device. 1,10...Engine, 3,102...Intake path, 103,31...Main injector, 105
, 47... barge control valve, 106,
46... Canister, 107, 25... Control means, 108, F... Fuel supply system, 109, 48...
Purge air passage, 29...Water temperature sensor, TP...
Driving time, TW...Water temperature, TP...Driving time.
Claims (1)
た燃料をメインインジエクタによりエンジンに供
給すると共に上記燃料の燃料タンクで蒸発された
燃料粒を保持するキヤニスタ及び同キヤニスタを
上記エンジンの吸気系に連通させるパージエア通
路とを備えた燃料供給系と、上記パージエア通路
を開閉する開閉弁と、上記メインインジエクタ及
び上記開閉弁を駆動制御する制御手段とを有し、
上記制御手段が低温情報及び始動情報を共に受け
た時には、上記開閉弁を所定駆動時間だけ開放さ
せることを特徴とするエンジンの低温始動装置。 A canister that supplies fuel whose blend ratio is detected by a blend ratio sensor to the engine through a main injector and holds fuel particles evaporated in the fuel tank of the fuel, and a purge air passage that communicates the canister with the intake system of the engine. a fuel supply system comprising: an on-off valve that opens and closes the purge air passage; and a control means that drives and controls the main injector and the on-off valve;
A low-temperature starting device for an engine, characterized in that when the control means receives both low-temperature information and starting information, the on-off valve is opened for a predetermined driving time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2400990U JPH03114566U (en) | 1990-03-09 | 1990-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2400990U JPH03114566U (en) | 1990-03-09 | 1990-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03114566U true JPH03114566U (en) | 1991-11-25 |
Family
ID=31526989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2400990U Pending JPH03114566U (en) | 1990-03-09 | 1990-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03114566U (en) |
-
1990
- 1990-03-09 JP JP2400990U patent/JPH03114566U/ja active Pending
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