JPS63148U - - Google Patents
Info
- Publication number
- JPS63148U JPS63148U JP9424986U JP9424986U JPS63148U JP S63148 U JPS63148 U JP S63148U JP 9424986 U JP9424986 U JP 9424986U JP 9424986 U JP9424986 U JP 9424986U JP S63148 U JPS63148 U JP S63148U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- negative pressure
- lily
- throttle
- vent
- 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 12
- 241000234435 Lilium Species 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の実施例を示す縦断面図、第２
図はその要部拡大縦断面図、第３図、第４図はそ
れぞれ実験の結果を示すグラフ、第５図は従来品
の縦断面部分図である。
２……吸気路、３，４……ベンチユリ、５……
絞り弁、８……燃料ポンプ、１０……燃料通路、
１１……噴射器、１３……燃料調整器、１６……
燃料室、１７，１９，３１……ダイヤフラム、１
８……負圧室、２０……調整室、２３……制御弁
、２４……ベンチユリ負圧路、２６……空気調整
器、３６……計量部、３７……絞り、３８……針
弁、４２……電子式制御装置。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is an enlarged vertical cross-sectional view of the main part, FIGS. 3 and 4 are graphs showing the results of experiments, and FIG. 5 is a partial vertical cross-sectional view of a conventional product. 2... Intake path, 3, 4... Bench lily, 5...
Throttle valve, 8... fuel pump, 10... fuel passage,
11... Injector, 13... Fuel regulator, 16...
Fuel chamber, 17, 19, 31...Diaphragm, 1
8... Negative pressure chamber, 20... Adjustment chamber, 23... Control valve, 24... Bench lily negative pressure path, 26... Air regulator, 36... Measuring section, 37... Throttle, 38... Needle valve , 42...electronic control device.
Claims (1)
を前記吸気路へ送つて噴射させる燃料通路と；前
記燃料通路の途中に形成された燃料室とベンチユ
リ負圧または絞り弁下流の吸入負圧が導入される
負圧室とこれら二つの室を仕切つたダイヤフラム
で駆動される制御弁を有しこの制御弁の開度によ
りベンチユリ負圧に対応して燃料圧力を制御する
燃料調整器と；前記燃料通路の前記燃料調整器下
流側に設けられた絞りおよび絞り弁低開度域にお
いて絞り弁と連動して絞りの有効面積を変える針
弁からなる計量部とを具え、前記軽量部の絞りを
オリフイス状に形成し且つその前後面は中心軸線
に対して６０〜９０度の範囲で傾斜させたことを
特徴とするエンジンの燃料供給装置。 an intake passage having a vent lily; a fuel passage for sending pressurized fuel to the intake passage for injection; a fuel chamber formed in the middle of the fuel passage and a vent lily negative pressure or intake negative pressure downstream of the throttle valve introduced; a negative pressure chamber, and a control valve driven by a diaphragm that partitions these two chambers; a fuel regulator that controls fuel pressure in accordance with the vent lily negative pressure according to the opening degree of the control valve; a metering section consisting of a throttle provided downstream of the fuel regulator and a needle valve that changes the effective area of the throttle in conjunction with the throttle valve in a low opening range; 1. A fuel supply device for an engine, characterized in that the front and rear surfaces thereof are inclined within a range of 60 to 90 degrees with respect to a central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9424986U JPS63148U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9424986U JPS63148U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63148U true JPS63148U (en) | 1988-01-05 |
Family
ID=30957528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9424986U Pending JPS63148U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63148U (en) |
-
1986
- 1986-06-20 JP JP9424986U patent/JPS63148U/ja active Pending
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