JPS62135859U - - Google Patents
Info
- Publication number
- JPS62135859U JPS62135859U JP2427586U JP2427586U JPS62135859U JP S62135859 U JPS62135859 U JP S62135859U JP 2427586 U JP2427586 U JP 2427586U JP 2427586 U JP2427586 U JP 2427586U JP S62135859 U JPS62135859 U JP S62135859U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- passage
- starting
- valve
- opening
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 26
- 241000234435 Lilium Species 0.000 claims description 2
- 239000006200 vaporizer Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 5
- 230000006837 decompression Effects 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の実施例の全体縦断面図、第
２図および第３図は第１図の燃料切換弁の低温お
よび高温状態をそれぞれ示す詳細図、第４図およ
び第５図は燃料切換弁の別の実施例をそれぞれ示
す断面図、第６図および第７図は第５図の燃料切
換弁の作用説明図、第８図は始動時の空燃比と雰
囲気温度の関係を示す説明図、第９図は従来例の
全体縦断面図である。
３…ベーパライザ、５…一字減圧室、６…二次
減圧弁、７…二次減圧室、８…主燃料通路、９…
キヤブレタ、１０…ベンチユリ部、１１…ノズル
、１３…緩速燃料供給弁、１４…緩速燃料通路、
１５…スロツトル・バルブ、１８，３３…始動ポ
ート、１９…始動燃料通路、２０…始動電磁弁、
３１，３２…燃料通路、３４…感温式燃料切換弁
。
Fig. 1 is an overall vertical cross-sectional view of an embodiment of this invention, Figs. 2 and 3 are detailed views showing the low temperature and high temperature states of the fuel switching valve of Fig. 1, respectively, and Figs. 4 and 5 are 6 and 7 are cross-sectional views showing different embodiments of the switching valve, FIGS. 6 and 7 are diagrams explaining the operation of the fuel switching valve shown in FIG. 5, and FIG. 8 is an explanation showing the relationship between the air-fuel ratio and the ambient temperature at startup. 9 are overall vertical sectional views of the conventional example. 3... Vaporizer, 5... Linear pressure reducing chamber, 6... Secondary pressure reducing valve, 7... Secondary pressure reducing chamber, 8... Main fuel passage, 9...
carburetor, 10... bench lily part, 11... nozzle, 13... slow speed fuel supply valve, 14... slow speed fuel passage,
15...Throttle valve, 18, 33...Starting port, 19...Starting fuel passage, 20...Starting solenoid valve,
31, 32...Fuel passage, 34...Temperature-sensitive fuel switching valve.
Claims (1)
圧化するベーパライザと、前記二次減圧室から主
燃料通路を介してベンチユリ部開口に供給された
気体燃料と吸入空気とを混合するキヤブレタと、
前記キヤブレタに設けられて前記主燃料通路の面
積を制御する燃料流量調整弁と、前記一次減圧室
に設けられて吸気管負圧で作動する緩速燃料供給
弁と、前記緩速燃料供給弁から前記燃料流量調整
弁の上流側に連通する緩速燃料通路とからなる燃
料供給装置であつて、前記燃料流量調整弁の上流
側から分岐した始動燃料通路を設け、前記始動燃
料通路にスタータ作動時のみ通路を開く始動電磁
弁を設け、前記始動電磁弁の下流側の始動燃料通
路を分岐させて吸気通路のスロツトル・バルブに
近接した上流側の開口と下流側の開口にそれぞれ
連通させ、前記分岐部には低温始動時は下流側開
口に、低温時以外は上流側開口に連通させる感温
式燃料切換弁を設けたことを特徴とするＬＰガス
内燃機関の燃料供給装置。 a vaporizer that vaporizes liquefied fuel in a primary decompression chamber and lowers the pressure in a secondary decompression chamber; and a carburetor that mixes intake air with gaseous fuel supplied from the secondary decompression chamber to the opening of the bench lily portion through the main fuel passage. ,
a fuel flow rate adjustment valve provided in the carburetor to control the area of the main fuel passage; a slow fuel supply valve provided in the primary pressure reduction chamber and operated by negative pressure in the intake pipe; A fuel supply device comprising a slow fuel passage communicating with the upstream side of the fuel flow rate regulating valve, wherein a starting fuel passage is provided that branches from the upstream side of the fuel flow regulating valve, and the starting fuel passage is provided with a slow fuel passage that communicates with the upstream side of the fuel flow regulating valve. A starting solenoid valve that only opens a passage is provided, and the starting fuel passage on the downstream side of the starting solenoid valve is branched to communicate with an opening on the upstream side and an opening on the downstream side close to the throttle valve of the intake passage, respectively, and 1. A fuel supply device for an LP gas internal combustion engine, characterized in that a temperature-sensitive fuel switching valve is provided in the section to communicate with a downstream opening when starting at a low temperature and communicate with an upstream opening when the temperature is not low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2427586U JPH022927Y2 (en) | 1986-02-20 | 1986-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2427586U JPH022927Y2 (en) | 1986-02-20 | 1986-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62135859U true JPS62135859U (en) | 1987-08-26 |
| JPH022927Y2 JPH022927Y2 (en) | 1990-01-24 |
Family
ID=30823356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2427586U Expired JPH022927Y2 (en) | 1986-02-20 | 1986-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022927Y2 (en) |
-
1986
- 1986-02-20 JP JP2427586U patent/JPH022927Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH022927Y2 (en) | 1990-01-24 |