JPH01179171U - - Google Patents
Info
- Publication number
- JPH01179171U JPH01179171U JP7568588U JP7568588U JPH01179171U JP H01179171 U JPH01179171 U JP H01179171U JP 7568588 U JP7568588 U JP 7568588U JP 7568588 U JP7568588 U JP 7568588U JP H01179171 U JPH01179171 U JP H01179171U
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- needle
- fuel injection
- combustion engine
- internal combustion
- 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
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案に係る電磁式燃料噴射弁の一
実施例を示す断面図、第２図はその先端部の底面
図、第３図は仕切り部材の異なる例を示す斜視図
、第４図は上記実施例の大気圧に近い圧力下での
噴射パターンを示す説明図、第５図は負圧下での
噴射パターンを示す説明図、第６図は従来の電磁
式燃料噴射弁を示す断面図、第７図はこの従来例
の大気圧に近い圧力下での噴射パターンを示す説
明図、第８図は負圧下での噴射パターンを示す説
明図、第９図は吸気２弁式機関に燃料噴射弁を装
着した状態の説明図である。
６……ボデイ、８……噴孔、１０……ニードル
、１２……ピントル部、１３……プロテクタ、１
７……仕切り部材。
Fig. 1 is a sectional view showing one embodiment of the electromagnetic fuel injection valve according to the invention, Fig. 2 is a bottom view of its tip, Fig. 3 is a perspective view showing different examples of the partition member, and Fig. 4. is an explanatory diagram showing the injection pattern under pressure close to atmospheric pressure in the above embodiment, FIG. 5 is an explanatory diagram showing the injection pattern under negative pressure, and FIG. 6 is a sectional view showing a conventional electromagnetic fuel injection valve. , Fig. 7 is an explanatory diagram showing the injection pattern under pressure close to atmospheric pressure in this conventional example, Fig. 8 is an explanatory diagram showing the injection pattern under negative pressure, and Fig. 9 is an explanatory diagram showing the injection pattern under negative pressure. It is an explanatory view of a state where an injection valve is installed. 6...Body, 8...Nozzle hole, 10...Needle, 12...Pintle part, 13...Protector, 1
7...Partition member.
Claims (1)
に着座面が形成されたボデイと、このボデイ中心
部に摺動可能に嵌合し、上記着座面に着座すると
ともに、ソレノイドによつてリフトするニードル
と、このニードルの先端に形成され、かつ上記噴
孔を貫通するピントル部とを備えてなる内燃機関
の電磁式燃料噴射弁において、上記噴孔の前方位
置に、燃料噴霧を径方向に横切るように略棒状の
仕切り部材を設けたことを特徴とする内燃機関の
電磁式燃料噴射弁。 The body has a nozzle hole at the center of the tip and a seating surface formed on the upstream side of the nozzle hole, and is slidably fitted into the center of the body, seats on the seating surface, and is operated by a solenoid. In an electromagnetic fuel injection valve for an internal combustion engine, the electromagnetic fuel injection valve for an internal combustion engine is equipped with a needle that lifts when the needle is lifted, and a pintle portion formed at the tip of the needle and passing through the nozzle hole. An electromagnetic fuel injection valve for an internal combustion engine, characterized in that a substantially rod-shaped partition member is provided so as to cross the direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7568588U JPH01179171U (en) | 1988-06-07 | 1988-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7568588U JPH01179171U (en) | 1988-06-07 | 1988-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01179171U true JPH01179171U (en) | 1989-12-22 |
Family
ID=31300743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7568588U Pending JPH01179171U (en) | 1988-06-07 | 1988-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01179171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0299758A (en) * | 1988-10-07 | 1990-04-11 | Hitachi Ltd | Fuel feeding device |
-
1988
- 1988-06-07 JP JP7568588U patent/JPH01179171U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0299758A (en) * | 1988-10-07 | 1990-04-11 | Hitachi Ltd | Fuel feeding device |