JPS62101066U - - Google Patents
Info
- Publication number
- JPS62101066U JPS62101066U JP19301585U JP19301585U JPS62101066U JP S62101066 U JPS62101066 U JP S62101066U JP 19301585 U JP19301585 U JP 19301585U JP 19301585 U JP19301585 U JP 19301585U JP S62101066 U JPS62101066 U JP S62101066U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- valve
- intake valve
- injection
- 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 25
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Description
第１図は本考案の一実施例に係る内燃機関の燃
料噴射装置の要部断面図、第２図は第１図の電磁
式燃料噴射弁の先端部の断面図、第３図は第２図
の電磁式燃料噴射弁の全体断面図、第４図は単孔
型燃料噴孔を有する電磁式燃料噴射弁の断面図、
第５図のイ，ロは従来の燃料噴射弁における燃料
噴霧の噴射方向を示した説明図、である。
１１……電磁式燃料噴射弁、１３……燃料噴孔
、１８ａ，１８ｂ……噴射燃料通路、２５……吸
気バルブ、２９……吸気バルブの中心軸、３０…
…吸気バルブのステム軸部、３１……吸気バルブ
の傘部。
FIG. 1 is a cross-sectional view of a main part of a fuel injection device for an internal combustion engine according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the tip of the electromagnetic fuel injection valve shown in FIG. 1, and FIG. Figure 4 is an overall cross-sectional view of an electromagnetic fuel injection valve, and Figure 4 is a cross-sectional view of an electromagnetic fuel injection valve having a single-hole type fuel injection hole.
FIGS. 5A and 5B are explanatory diagrams showing the injection direction of fuel spray in a conventional fuel injection valve. DESCRIPTION OF SYMBOLS 11...Electromagnetic fuel injection valve, 13...Fuel injection hole, 18a, 18b...Injection fuel passage, 25...Intake valve, 29...Center axis of intake valve, 30...
... Stem shaft portion of the intake valve, 31... Umbrella portion of the intake valve.
Claims (1)
う燃料噴射弁を備えた内燃機関の燃料噴射装置に
おいて、前記燃料噴射弁の燃料噴孔の下流に、前
記燃料噴孔からの噴射燃料を各方向に分配させる
複数の噴射燃料通路を設け、複数の噴射燃料通路
から噴射される燃料の噴射方向を、吸気バルブの
中心軸に設定するとともに２方向に分割し、一方
の燃料噴射方向を、吸気バルブのステム軸部に設
定し、他方の燃料噴射方向を、吸気バルブの閉弁
状態における吸気バルブの傘部に設定したことを
特徴とする内燃機関の燃料噴射装置。 In a fuel injection device for an internal combustion engine equipped with a fuel injection valve that performs fuel metering using a single fuel injection hole, the injected fuel from the fuel injection hole is placed downstream of the fuel injection hole of the fuel injection valve. A plurality of injection fuel passages are provided, and the injection direction of the fuel injected from the plurality of injection fuel passages is set to the center axis of the intake valve and divided into two directions, and one fuel injection direction is set to the intake valve. 1. A fuel injection device for an internal combustion engine, characterized in that the fuel injection device is set at a stem shaft portion of a valve, and the other fuel injection direction is set at a head portion of the intake valve when the intake valve is in a closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301585U JPS62101066U (en) | 1985-12-17 | 1985-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301585U JPS62101066U (en) | 1985-12-17 | 1985-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62101066U true JPS62101066U (en) | 1987-06-27 |
Family
ID=31148640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19301585U Pending JPS62101066U (en) | 1985-12-17 | 1985-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62101066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6421267U (en) * | 1987-07-28 | 1989-02-02 | ||
| JP2007077809A (en) * | 2005-09-12 | 2007-03-29 | Hitachi Ltd | Fuel injection valve of port injection type engine, and port injection type engine |
-
1985
- 1985-12-17 JP JP19301585U patent/JPS62101066U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6421267U (en) * | 1987-07-28 | 1989-02-02 | ||
| JP2007077809A (en) * | 2005-09-12 | 2007-03-29 | Hitachi Ltd | Fuel injection valve of port injection type engine, and port injection type engine |
| JP4521334B2 (en) * | 2005-09-12 | 2010-08-11 | 日立オートモティブシステムズ株式会社 | Port injection engine fuel injection valve and port injection engine |
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