JPH041665U - - Google Patents
Info
- Publication number
- JPH041665U JPH041665U JP4108490U JP4108490U JPH041665U JP H041665 U JPH041665 U JP H041665U JP 4108490 U JP4108490 U JP 4108490U JP 4108490 U JP4108490 U JP 4108490U JP H041665 U JPH041665 U JP H041665U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- insertion hole
- needle
- needle insertion
- tip
- 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 7
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003708 ampul Substances 0.000 description 1
Description
第１図は燃料噴射弁の側面断面図、第２図は断
熱部材の斜視図、第３図はニードル先端部周りの
拡大側面断面図、第４図は２サイクル内燃機関の
側面断面図、第５図は第４図のシリンダヘツドの
底面図である。
１５，１６……断熱部材、１８……貫通孔、１
９……先端部、３０……ニードル挿入孔、３１…
…ニードル、３２……弁座、３３……弁体、３８
，３８ａ……膨大部、３９，４１……燃料計量用
絞り通路、４０……燃料溜まり。
Fig. 1 is a side sectional view of the fuel injection valve, Fig. 2 is a perspective view of the heat insulating member, Fig. 3 is an enlarged side sectional view of the area around the needle tip, and Fig. 4 is a side sectional view of the two-stroke internal combustion engine. FIG. 5 is a bottom view of the cylinder head of FIG. 4. 15, 16...Insulating member, 18...Through hole, 1
9...Tip portion, 30...Needle insertion hole, 31...
...Needle, 32...Valve seat, 33...Valve body, 38
, 38a... Ampulla, 39, 41... Fuel metering throttle passage, 40... Fuel reservoir.
Claims (1)
して該貫通孔内に燃料噴射弁の先端部を嵌着し、
該先端部内にニードル挿入孔を形成すると共に該
ニードル挿入孔内に挿入されたニードルとニード
ル挿入孔間に燃料通路を形成し、ニードル挿入孔
の開放端に外方に向けて拡開する円錐状の弁座を
形成すると共にニードルの先端部に該弁座上に着
座可能な弁体を形成し、弁体の外端面を燃焼室内
に露呈させた燃料噴射装置において、上記燃料噴
射弁の先端部と貫通孔間に中空円筒状の断熱部材
を挿入した内燃機関用燃料噴射装置。 forming a through hole penetrating the inner wall of the combustion chamber and fitting the tip of the fuel injector into the through hole;
A needle insertion hole is formed in the tip, a fuel passage is formed between the needle inserted into the needle insertion hole and the needle insertion hole, and a conical shape expands outward at the open end of the needle insertion hole. In a fuel injection device, a valve seat is formed, and a valve body that can be seated on the valve seat is formed at the tip of a needle, and an outer end surface of the valve body is exposed in a combustion chamber. A fuel injection device for an internal combustion engine in which a hollow cylindrical heat insulating member is inserted between the through hole and the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041084U JP2526618Y2 (en) | 1990-04-19 | 1990-04-19 | Fuel injection device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041084U JP2526618Y2 (en) | 1990-04-19 | 1990-04-19 | Fuel injection device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH041665U true JPH041665U (en) | 1992-01-08 |
| JP2526618Y2 JP2526618Y2 (en) | 1997-02-19 |
Family
ID=31551446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041084U Expired - Lifetime JP2526618Y2 (en) | 1990-04-19 | 1990-04-19 | Fuel injection device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526618Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100878591B1 (en) * | 2007-09-20 | 2009-01-15 | (주)모토닉 | An injector for a vehicle and the installation structure thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55127870U (en) * | 1979-03-03 | 1980-09-10 | ||
| JPS58134669U (en) * | 1982-03-04 | 1983-09-10 | ヤンマーディーゼル株式会社 | Internal combustion engine fuel valve heating prevention device |
| JPS6041576U (en) * | 1983-08-30 | 1985-03-23 | 日産自動車株式会社 | direct injection fuel injector |
-
1990
- 1990-04-19 JP JP1990041084U patent/JP2526618Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55127870U (en) * | 1979-03-03 | 1980-09-10 | ||
| JPS58134669U (en) * | 1982-03-04 | 1983-09-10 | ヤンマーディーゼル株式会社 | Internal combustion engine fuel valve heating prevention device |
| JPS6041576U (en) * | 1983-08-30 | 1985-03-23 | 日産自動車株式会社 | direct injection fuel injector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100878591B1 (en) * | 2007-09-20 | 2009-01-15 | (주)모토닉 | An injector for a vehicle and the installation structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526618Y2 (en) | 1997-02-19 |