JPH021463U - - Google Patents
Info
- Publication number
- JPH021463U JPH021463U JP7902188U JP7902188U JPH021463U JP H021463 U JPH021463 U JP H021463U JP 7902188 U JP7902188 U JP 7902188U JP 7902188 U JP7902188 U JP 7902188U JP H021463 U JPH021463 U JP H021463U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- nozzle hole
- fuel injection
- injection valve
- combustion engine
- 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 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案に係る燃料噴射弁の一実施例
を示す断面図、第２図はそのプレートオリフイス
の平面図、第３図は第２図の―線に沿つた断
面図、第４図は噴孔部分の拡大説明図、第５図は
ｄ／ｔと燃料粒径との関係を示す特性図、第６図
はｘ／ｄとθ１／θ０との関係を示す特性図であ
る。
６……ボデイ、８……開口部、１０……ニード
ル、１３……プレートオリフイス、１４……噴孔
。
Fig. 1 is a sectional view showing an embodiment of the fuel injection valve according to this invention, Fig. 2 is a plan view of its plate orifice, Fig. 3 is a sectional view taken along the line - in Fig. 2, and Fig. 4. is an enlarged explanatory diagram of the nozzle hole portion, FIG. 5 is a characteristic diagram showing the relationship between d/t and fuel particle size, and FIG. 6 is a characteristic diagram showing the relationship between x/d and θ 1 /θ 0 . . 6... Body, 8... Opening, 10... Needle, 13... Plate orifice, 14... Nozzle hole.
Claims (1)
流側に着座面が形成されたボデイと、このボデイ
先端面に配設され、上記開口部を閉塞するととも
に、噴孔が傾斜して貫通形成された板状のプレー
トオリフイスと、上記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、上記プレ
ートオリフイスの板厚ｔ（mm）を ０．２≦ｔ≦０．３ の範囲内に設定するとともに、上記噴孔の直径を
ｄ（mm）、その傾斜による表裏のずれ量を傾斜幅
ｘ（mm）としたときに、 ｄ／ｔ≧０．６５ でかつ ｘ／ｄ≧０．１６ なる関係に設定したことを特徴とする内燃機関の
電磁式燃料噴射弁。[Claims for Utility Model Registration] A body having an opening in the center of the tip and a seating surface formed on the upstream side of the opening, and a body disposed on the tip surface of the body to close the opening and , a plate-like plate orifice having an inclined nozzle hole formed therethrough, and a needle slidably fitted into the center of the body, seated on the seating surface, and lifted by a solenoid. In the electromagnetic fuel injection valve for an internal combustion engine, the thickness t (mm) of the plate orifice is set within the range of 0.2≦t≦0.3, and the diameter of the nozzle hole is d (mm), An electromagnetic type for an internal combustion engine, characterized in that the relationship is set such that d/t≧0.65 and x/d≧0.16, where the amount of deviation between the front and back sides due to the inclination is defined as the inclination width x (mm). fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7902188U JPH021463U (en) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7902188U JPH021463U (en) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021463U true JPH021463U (en) | 1990-01-08 |
Family
ID=31303910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7902188U Pending JPH021463U (en) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03108855U (en) * | 1990-02-22 | 1991-11-08 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015968B2 (en) * | 1975-04-17 | 1985-04-23 | 日本電気株式会社 | control storage |
| JPS61255265A (en) * | 1985-05-06 | 1986-11-12 | ゼネラル モ−タ−ズ コ−ポレ−シヨン | Thin orifice director plate for electromagnetic fuel injectors |
-
1988
- 1988-06-15 JP JP7902188U patent/JPH021463U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015968B2 (en) * | 1975-04-17 | 1985-04-23 | 日本電気株式会社 | control storage |
| JPS61255265A (en) * | 1985-05-06 | 1986-11-12 | ゼネラル モ−タ−ズ コ−ポレ−シヨン | Thin orifice director plate for electromagnetic fuel injectors |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03108855U (en) * | 1990-02-22 | 1991-11-08 |
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