JPS63130670U - - Google Patents
Info
- Publication number
- JPS63130670U JPS63130670U JP2199087U JP2199087U JPS63130670U JP S63130670 U JPS63130670 U JP S63130670U JP 2199087 U JP2199087 U JP 2199087U JP 2199087 U JP2199087 U JP 2199087U JP S63130670 U JPS63130670 U JP S63130670U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve seat
- injection
- auxiliary
- valve
- 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 17
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第1図はこの考案の燃料噴射弁の下部断面図。
第2図、第3図は第1図と同様であるが、ニード
ルのリフトの過程において副燃料の分布状況を説
明する図。第4図は第1図の―に沿う断面図
。第5図は第1図の―線に沿う断面図。第6
図はこの考案の燃料噴射弁を備えた複燃料供給装
置のシステム全体図。第7図は従来の燃料噴射弁
の下部断面図。第8図は第7図の―線に沿う
断面図。第9図は従来構造における、副燃料―主
燃料の境界面を側面より見たところを模式的に示
す図。第10図は従来における噴孔間での噴射率
特性の変化を説明するグラフ。
1……アルコールタンク、2……軽油タンク、
5……燃料噴射弁、6……弁ケーシング、7……
ニードル、8……バルブシート、10……噴孔、
11……環状通路、20……ケーシング、26…
…ピストン、50……連絡孔、52……空間。
FIG. 1 is a sectional view of the lower part of the fuel injection valve of this invention.
FIGS. 2 and 3 are similar to FIG. 1, but are diagrams illustrating the distribution of auxiliary fuel in the process of lifting the needle. FIG. 4 is a sectional view taken along the line - in FIG. 1. FIG. 5 is a sectional view taken along the line - in FIG. 1. 6th
The figure is an overall system diagram of a dual fuel supply device equipped with the fuel injection valve of this invention. FIG. 7 is a sectional view of the lower part of a conventional fuel injection valve. FIG. 8 is a sectional view taken along the line - in FIG. 7. FIG. 9 is a diagram schematically showing a side view of the auxiliary fuel-main fuel interface in a conventional structure. FIG. 10 is a graph illustrating changes in injection rate characteristics between conventional nozzle holes. 1... Alcohol tank, 2... Light oil tank,
5...Fuel injection valve, 6...Valve casing, 7...
Needle, 8... Valve seat, 10... Nozzle hole,
11... annular passage, 20... casing, 26...
...Piston, 50...Communication hole, 52...Space.
Claims (1)
、主燃料の噴射に先立つて噴射されるべき副燃料
を充填する副燃料充填手段と、ニードル先端が臨
むように、バルブシートの下流に位置する燃料集
合部と、該燃料集合部に開口し、燃料を噴射する
ための燃料噴孔とを具備する複燃料供給装置用燃
料噴射弁。 auxiliary fuel filling means for filling a portion of the fuel passage upstream of the valve seat with auxiliary fuel to be injected prior to injection of the main fuel; and a fuel gathering section located downstream of the valve seat so that the needle tip faces. A fuel injection valve for a dual fuel supply device, comprising: a fuel injection hole that opens to the fuel assembly portion and injects fuel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2199087U JPS63130670U (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2199087U JPS63130670U (en) | 1987-02-19 | 1987-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63130670U true JPS63130670U (en) | 1988-08-26 |
Family
ID=30818942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2199087U Pending JPS63130670U (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63130670U (en) |
-
1987
- 1987-02-19 JP JP2199087U patent/JPS63130670U/ja active Pending