JPH01113159U - - Google Patents
Info
- Publication number
- JPH01113159U JPH01113159U JP1988104976U JP10497688U JPH01113159U JP H01113159 U JPH01113159 U JP H01113159U JP 1988104976 U JP1988104976 U JP 1988104976U JP 10497688 U JP10497688 U JP 10497688U JP H01113159 U JPH01113159 U JP H01113159U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- nozzle hole
- diameter
- fuel injection
- hole
- 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 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000003763 carbonization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/06—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves being furnished at seated ends with pintle or plug shaped extensions
Description
第１図と第２図は、ピン・ノズルとして構成さ
れている本考案に係る噴射ノズルの下部の部分断
面図。第３図は、炭化が生じることを防ぐため、
本考案に係る噴射ノズルを変更することができる
ことを図解したグラフ。
１……ノズル穴、２……ノズル本体、３……ノ
ズル針、４……弁座、５……ノズル・ピン、６…
…絞りピンの自由端、７……縦軸、８……横軸、
９……限界線、１０，１１……指示点、１２……
水平の線、１３……若干斜めの線。
1 and 2 are partial cross-sectional views of the lower part of the injection nozzle according to the invention, which is configured as a pin nozzle; FIG. Figure 3 shows that in order to prevent carbonization,
2 is a graph illustrating that the injection nozzle according to the present invention can be changed. 1... Nozzle hole, 2... Nozzle body, 3... Nozzle needle, 4... Valve seat, 5... Nozzle pin, 6...
...free end of the aperture pin, 7...vertical axis, 8...horizontal axis,
9... Limit line, 10, 11... Indication point, 12...
Horizontal line, 13...a slightly diagonal line.
Claims (1)
、特に燃料を壁面に散布する方法に従がつて作動
する内燃機関に用いられる噴射ノズルであつて、
絞りピン５が設けられているノズル針３を有し、
ノズル針３が閉止位置にある時に絞りピン５が全
部又は部分的にノズル穴１の中に入り込むように
され、ノズル穴の１の長さＬがノズル穴１の直径
Ｄより小さいか、あるいはせいぜいノズル穴の直
径Ｄに等しくされており、更に、ノズル穴１の直
径Ｄが０．８mmから１mmまでの範囲にある燃料噴
射ノズルにおいて、絞りピン５がノズル穴１に入
り込む深さをＥとすると、Ｌ／Ｄ≧Ｅ／Ｄであつ
て、且つＥ／Ｄ≧２、Ｌ／Ｄ≦１となつており、
Ｅ／Ｄ＝０．２の場合にＬ／Ｄは０．２から０．
７５までの範囲にあり、Ｌ／Ｄが０．７５から１
までの間においては、Ｅ／Ｄの下眼が０．２から
０．２５まで連続的に増大することを特徴とする
燃料噴射ノズル。 A fuel injection nozzle for an air compression direct injection internal combustion engine, in particular an injection nozzle used for an internal combustion engine that operates according to a method of dispersing fuel onto a wall surface,
It has a nozzle needle 3 provided with an aperture pin 5,
When the nozzle needle 3 is in the closed position, the aperture pin 5 is made to fully or partially enter into the nozzle hole 1, and the length L of the nozzle hole 1 is smaller than the diameter D of the nozzle hole 1, or at most In a fuel injection nozzle in which the diameter D of the nozzle hole 1 is equal to the diameter D of the nozzle hole and the diameter D of the nozzle hole 1 is in the range of 0.8 mm to 1 mm, let E be the depth at which the aperture pin 5 enters the nozzle hole 1. , L/D≧E/D, and E/D≧2, L/D≦1,
When E/D=0.2, L/D is from 0.2 to 0.
75, with L/D from 0.75 to 1
A fuel injection nozzle characterized in that the lower E/D value continuously increases from 0.2 to 0.25.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2836095A DE2836095C2 (en) | 1978-08-17 | 1978-08-17 | Fuel injection nozzle for air-compressing internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113159U true JPH01113159U (en) | 1989-07-31 |
Family
ID=6047303
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10363079A Pending JPS5569755A (en) | 1978-08-17 | 1979-08-16 | Fuel injection nozzle |
| JP1988104976U Pending JPH01113159U (en) | 1978-08-17 | 1988-08-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10363079A Pending JPS5569755A (en) | 1978-08-17 | 1979-08-16 | Fuel injection nozzle |
Country Status (13)
| Country | Link |
|---|---|
| JP (2) | JPS5569755A (en) |
| AT (1) | AT365745B (en) |
| CH (1) | CH638275A5 (en) |
| DD (1) | DD145782A1 (en) |
| DE (1) | DE2836095C2 (en) |
| FR (1) | FR2433643A1 (en) |
| GB (1) | GB2027806B (en) |
| HU (1) | HU179522B (en) |
| IN (1) | IN151738B (en) |
| IT (1) | IT1122730B (en) |
| RO (1) | RO76428A (en) |
| SE (1) | SE443024B (en) |
| SU (1) | SU876068A3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118485C2 (en) * | 1981-05-09 | 1986-12-04 | Daimler-Benz Ag, 7000 Stuttgart | Fuel injector for internal combustion engines |
| DE3735505A1 (en) * | 1986-10-20 | 1988-04-28 | Elsbett L | Pintle nozzle |
| US20140060481A1 (en) * | 2012-08-29 | 2014-03-06 | GM Global Technology Operations LLC | Method and apparatus of producing laminar flow through a fuel injection nozzle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL70310C (en) * | 1946-08-28 | |||
| US2647015A (en) * | 1951-03-17 | 1953-07-28 | American Locomotive Co | Fuel injector |
| GB725379A (en) * | 1952-06-17 | 1955-03-02 | Bosch Gmbh Robert | Improvements in fuel injection nozzles for internal combustion engines |
| CH313644A (en) * | 1952-06-17 | 1956-04-30 | Bosch Gmbh Robert | Fuel injector for internal combustion engines |
| DE1026572B (en) * | 1956-11-16 | 1958-03-20 | Friedmann & Maier Ag | Injection nozzle for internal combustion engines |
| JPS5320606B2 (en) * | 1971-11-17 | 1978-06-28 |
-
1978
- 1978-08-17 DE DE2836095A patent/DE2836095C2/en not_active Expired
-
1979
- 1979-07-31 CH CH704679A patent/CH638275A5/en not_active IP Right Cessation
- 1979-08-08 IT IT24984/79A patent/IT1122730B/en active
- 1979-08-13 DD DD79214945A patent/DD145782A1/en unknown
- 1979-08-14 FR FR7920656A patent/FR2433643A1/en active Granted
- 1979-08-15 RO RO7998457A patent/RO76428A/en unknown
- 1979-08-15 SE SE7906838A patent/SE443024B/en not_active IP Right Cessation
- 1979-08-16 JP JP10363079A patent/JPS5569755A/en active Pending
- 1979-08-16 HU HU79MA3192A patent/HU179522B/en unknown
- 1979-08-16 AT AT0555379A patent/AT365745B/en not_active IP Right Cessation
- 1979-08-17 GB GB7928732A patent/GB2027806B/en not_active Expired
- 1979-08-17 SU SU792803644A patent/SU876068A3/en active
- 1979-08-20 IN IN862/CAL/79A patent/IN151738B/en unknown
-
1988
- 1988-08-10 JP JP1988104976U patent/JPH01113159U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2836095C2 (en) | 1986-04-03 |
| JPS5569755A (en) | 1980-05-26 |
| ATA555379A (en) | 1981-06-15 |
| IT1122730B (en) | 1986-04-23 |
| DD145782A1 (en) | 1981-01-07 |
| RO76428A (en) | 1981-03-21 |
| SE7906838L (en) | 1980-02-18 |
| GB2027806B (en) | 1983-04-27 |
| CH638275A5 (en) | 1983-09-15 |
| SU876068A3 (en) | 1981-10-23 |
| FR2433643A1 (en) | 1980-03-14 |
| GB2027806A (en) | 1980-02-27 |
| HU179522B (en) | 1982-10-28 |
| AT365745B (en) | 1982-02-10 |
| SE443024B (en) | 1986-02-10 |
| IN151738B (en) | 1983-07-16 |
| FR2433643B1 (en) | 1984-03-09 |
| DE2836095A1 (en) | 1980-03-27 |
| IT7924984A0 (en) | 1979-08-08 |
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