JPS60171958U - Satsukresu type hole type fuel injection nozzle - Google Patents
Satsukresu type hole type fuel injection nozzleInfo
- Publication number
- JPS60171958U JPS60171958U JP6036984U JP6036984U JPS60171958U JP S60171958 U JPS60171958 U JP S60171958U JP 6036984 U JP6036984 U JP 6036984U JP 6036984 U JP6036984 U JP 6036984U JP S60171958 U JPS60171958 U JP S60171958U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- fuel injection
- hole
- injection nozzle
- satsukresu
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１，２図は従来の燃料噴射ノズを示す図であり、第１
図はその正面断面図、第２図はその先端部拡大断面図、
第３図は従来のサックレス式ホール型燃料噴射ノズルの
正面断面図、第４，５図は本考案の第１実施例を示す図
であり、第４図はその正面断面図、第５図はその先端部
拡大断面図、第６図は本考案の第２実施例を示すノズル
の先端部拡大断面図、第７図は本考案の第３実施例を示
すノズルの先端部拡大断面図、第８図は本考案の第４実
施例を示すノズルの先端部拡大断面図である。
−
２１・・・・・・ノズルボディ、２２・・・・・・シー
ト面、２３ｄｗ ２３ｂｔ ２３ｃｔ ２３ｄ”””噴
孔、２８−・・・・・ニードルバルブ、２９・・・・・
・フェイス面、３６゜３７、３８．３９・・・・・・溝
（切欠部）。Figures 1 and 2 are diagrams showing conventional fuel injection nozzles.
The figure is a front sectional view, and Figure 2 is an enlarged sectional view of its tip.
Fig. 3 is a front sectional view of a conventional suckless hole type fuel injection nozzle, and Figs. 4 and 5 are views showing the first embodiment of the present invention. 6 is an enlarged sectional view of the tip of the nozzle showing the second embodiment of the present invention, and FIG. 7 is an enlarged sectional view of the tip of the nozzle showing the third embodiment of the present invention. FIG. 8 is an enlarged sectional view of the tip of a nozzle showing a fourth embodiment of the present invention.
- 21... Nozzle body, 22... Seat surface, 23dw 23bt 23ct 23d""" Nozzle hole, 28-... Needle valve, 29...
・Face surface, 36°37, 38.39...Groove (notch).
Claims (1)
ノズルボディ内に摺動自在に収納され先端部に前記シー
ト面に着座するフェイス面の形成されたニードルバルブ
と、を備えたサックレス式ホール型燃料噴射ノズルにお
いて、前記噴孔を前記シート面に開口させるとともにノ
ズルボディの略軸線方向に直列に複数個並べて形成し、
前記シート面と前記フェイス面との間隙のうち少なくと
も前記噴孔の開口する部分のシート面とフェイス面との
間隙が、ノズルボディの先端側の噴孔部分において大き
くなる切欠部をシート面とフェイス面の少なくとも一方
に形成したことを特徴とするサックレス式ホール型燃料
噴射ノズル。A nozzle body with a seat surface and a nozzle hole formed at the tip,
A sackless hole-type fuel injection nozzle comprising: a needle valve that is slidably housed in a nozzle body and has a face surface that is seated on the seat surface at its tip; At the same time, a plurality of them are arranged in series in the approximate axial direction of the nozzle body,
A notch is formed between the seat surface and the face so that the gap between the seat surface and the face at least in the part where the nozzle hole opens is larger at the nozzle hole on the tip side of the nozzle body. A sackless hole type fuel injection nozzle characterized in that it is formed on at least one of the surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6036984U JPS60171958U (en) | 1984-04-24 | 1984-04-24 | Satsukresu type hole type fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6036984U JPS60171958U (en) | 1984-04-24 | 1984-04-24 | Satsukresu type hole type fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60171958U true JPS60171958U (en) | 1985-11-14 |
Family
ID=30587650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6036984U Pending JPS60171958U (en) | 1984-04-24 | 1984-04-24 | Satsukresu type hole type fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60171958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008012992A1 (en) * | 2006-07-25 | 2008-01-31 | Yanmar Co., Ltd. | Method of controlling valve timing of diesel engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53110720A (en) * | 1977-03-09 | 1978-09-27 | Bosch Gmbh Robert | Fuel injection nozzle for internal combustion engine |
| JPS53113923A (en) * | 1977-03-16 | 1978-10-04 | Bosch Gmbh Robert | Fuel injection nozzle for internal combustion engine |
| JPS54111012A (en) * | 1978-01-28 | 1979-08-31 | Audi Ag | Fuel injection nozzle for fuel injection type internal combustion engine |
| JPS55153852A (en) * | 1979-05-18 | 1980-12-01 | Bosch Gmbh Robert | Internal combustion engine fuel injection nozzle with controllable injecting cross section |
-
1984
- 1984-04-24 JP JP6036984U patent/JPS60171958U/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53110720A (en) * | 1977-03-09 | 1978-09-27 | Bosch Gmbh Robert | Fuel injection nozzle for internal combustion engine |
| JPS53113923A (en) * | 1977-03-16 | 1978-10-04 | Bosch Gmbh Robert | Fuel injection nozzle for internal combustion engine |
| JPS54111012A (en) * | 1978-01-28 | 1979-08-31 | Audi Ag | Fuel injection nozzle for fuel injection type internal combustion engine |
| JPS55153852A (en) * | 1979-05-18 | 1980-12-01 | Bosch Gmbh Robert | Internal combustion engine fuel injection nozzle with controllable injecting cross section |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008012992A1 (en) * | 2006-07-25 | 2008-01-31 | Yanmar Co., Ltd. | Method of controlling valve timing of diesel engine |
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