CN202493369U - Novel fuel injector with inverted tapered orifice - Google Patents
Novel fuel injector with inverted tapered orifice Download PDFInfo
- Publication number
- CN202493369U CN202493369U CN2012201213660U CN201220121366U CN202493369U CN 202493369 U CN202493369 U CN 202493369U CN 2012201213660 U CN2012201213660 U CN 2012201213660U CN 201220121366 U CN201220121366 U CN 201220121366U CN 202493369 U CN202493369 U CN 202493369U
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- CN
- China
- Prior art keywords
- fuel injector
- oil
- fuel
- orifice
- injector body
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title abstract description 22
- 239000007921 spray Substances 0.000 claims description 25
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 51
- 230000001473 noxious effect Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to a novel fuel injector, belonging to the technical field of engine structures. The novel fuel injector with an inverted tapered orifice comprises a fuel injector body, wherein one side of the fuel injector body is provided with a filter element, the other side of the fuel injector body is provided with a spring base, a pressure-regulating spring is arranged on the spring base, one end of the pressure-regulating spring is provided with a pressure-regulating gasket, the fuel injector body is connected with a fuel injection nozzle, an orifice is arranged in the fuel injection nozzle and is of an inverted cone structure, a tightening cap is sleeved on the periphery of the fuel injection nozzle and is connected with a protective jacket, and an inner opening of the orifice is of a fillet structure. According to the novel fuel injector provided by the utility model, because the orifice is of the inverted cone structure, the diameter of the inner opening is more than that of the outer opening, and the inner opening is processed to be of the fillet structure, the formation of eddy can be reduced, injection resistance is lowered, injection of the fuel injection nozzle is more smooth, the flow coefficient of the fuel injection nozzle is increased, fuel atomized particles are more fine and uniform, and full combustion is facilitated, therefore, consumption rate of fuel and emission of harmful pollutants are reduced, and the environment is protected.
Description
Technical field
The utility model relates to oil sprayer, belongs to the engine structure technical field.
Background technique
Oil sprayer is the very important components that influences motor each item performance index and functional reliability.The development that motor is mainly followed in the development of China's oil sprayer develops, and China's automobile industry increases fast in recent years, and automobile pollution increases sharply; The fast development of automobile industry has promoted rapid economy development, has spurred social economy's each side progress, has also improved the people's quality of life; But brought serious atmospheric pollution simultaneously; The spray orifice of the critical component oil nozzle of existing S series oil sprayer and common P type oil sprayer is straight hole (as shown in Figure 3) mostly, and spray orifice machining shape internal orifice size and collar extension are measure-alike, and adopts twist drill processing; Machined burrs is bigger; Therefore the flow coefficient of oil nozzle is lower, and atomization quality is poor, causes the performance index of motor and exhaust index not to reach requirement.
Summary of the invention
The purpose of the utility model is to solve the deficiency that above-mentioned prior art exists, and a kind of reasonable in design is provided, and can reduce the injection resistance; Atomization quality is good; Be easy to burning, reduce the noxious pollutant discharge amount, thus the novel oil sprayer that has the inverted cone spray orifice of protection environment.
The utility model is realized through following technological scheme:
A kind of novel oil sprayer that has the inverted cone spray orifice, its special way is to comprise oil injector body 2, oil injector body 2 one sides are provided with filter core 1; Oil injector body 2 opposite sides are provided with spring seat 5, and spring seat 5 is provided with pressure adjusting spring 4, and an end of pressure adjusting spring 4 is provided with pressure regulation pad 3; Oil injector body 2 is connected with oil nozzle 6, and oil nozzle 6 is provided with spray orifice 9, and spray orifice 9 is an inverted cone-shaped structure; The periphery of oil nozzle 6 is with tight cap 7, and tight cap 7 is connected with sheath 8;
The internal orifice of said spray orifice 9 is a fillet structure 10.
The oil sprayer of the utility model, because spray orifice adopts inverted cone-shaped structure, the internal orifice diameter is greater than the collar extension diameter; And internal orifice is processed into fillet structure, so just can reduce the formation of eddy current, reduces and sprays resistance; Make that the injection of oil nozzle is more unobstructed, improved the flow coefficient of oil nozzle, also make the refinement and even more of fuel-oil atmozation particle; Help abundant burning, thereby reduce the discharging of fuel consumption rate and noxious pollutant, protected environment.
Description of drawings
Fig. 1: the utility model has the novel fuel injector structure schematic representation of inverted cone spray orifice;
Fig. 2: the jet orifice structure schematic representation of the utility model;
Fig. 3: the jet orifice structure schematic representation on the existing technology oil sprayer;
Among the figure: 1, filter core, 2, oil injector body, 3, the pressure regulation pad, 4, pressure adjusting spring, 5, spring seat, 6, oil nozzle, 7, tight cap, 8, sheath, 9, spray orifice, 10, fillet structure.
Embodiment
Provide the embodiment of the utility model below with reference to accompanying drawing, be used for the formation of the utility model is done further explain.
Present embodiment has the novel oil sprayer of inverted cone spray orifice, comprises oil injector body 2, and oil injector body 2 one sides are provided with filter core 1; Oil injector body 2 opposite sides are provided with spring seat 5, and spring seat 5 is provided with pressure adjusting spring 4, and an end of pressure adjusting spring 4 is provided with pressure regulation pad 3; Oil injector body 2 is connected with oil nozzle 6, and oil nozzle 6 is provided with spray orifice 9, and spray orifice 9 is an inverted cone-shaped structure; The internal orifice of spray orifice 9 is a fillet structure 10, and the periphery of oil nozzle 6 is with tight cap 7, and tight cap 7 is connected with sheath 8.
Processing technology: according to designing requirement; The spray orifice of oil nozzle adopts the processing of Switzerland POSALUX spark-erosion machine tool special process; Adopt U.S. EXTRUDE HONE crush and grind machine to use fluid abrasive material crush and grind to go out fillet then; Increase the atomization quality and raising flow coefficient of oil sprayer, these all have good effect to the reduction fuel oil consumption and the minimizing noxious gas emission of motor.
Working principle: when oil sprayer began fuel feeding at the high pressure oil pump of diesel engine, high-pressure diesel entered in the oil injector body from the oil inlet hole of oil sprayer, entered into along oil channel hole in the oblique oil duct of oil nozzle; Enter into again in the high-voltage oil cavity below the needle-valve body; High-pressure diesel acts on the face of needle seating and produces the active force that upwards lifts needle-valve, and after this made every effort to overcome the pretightening force of having obeyed pressure adjusting spring, needle-valve upwards rose; Open nozzle opening; High-pressure diesel nebulizes along spray orifice and is ejected in the firing chamber of motor, and the Piston Compression burning produces power.
Below, the effect of the oil sprayer of present embodiment to the environmental protection generation is described through the data contrast of oil sprayer on 486 motors of Feitian of existing oil sprayer and present embodiment:
(1) original common oil sprayer unit product fuel consumption rate data
(2) improve back oil sprayer unit product fuel consumption rate data
Through repetition test and small quantities of supply of material checking, the oil sprayer effects of energy conservation and environmental protection of present embodiment is obvious, and average fuel consumption can reduce 10g/KW.h, reduces noxious emissions 40% such as flue dust and CO, NOx, HC, can reduce noxious pollutant 8.031g/KW.h.
The oil sprayer of present embodiment, because spray orifice adopts inverted cone-shaped structure, the internal orifice diameter is greater than the collar extension diameter; And internal orifice is processed into fillet structure, so just can reduce the formation of eddy current, reduces and sprays resistance; Make that the injection of oil nozzle is more unobstructed, improved the flow coefficient of oil nozzle, also make the refinement and even more of fuel-oil atmozation particle; Help abundant burning, thereby reduce the discharging of fuel consumption rate and noxious pollutant, protected environment.
Claims (2)
1. a novel oil sprayer that has the inverted cone spray orifice is characterized in that comprising oil injector body (2), and oil injector body (2) one sides are provided with filter core (1); Oil injector body (2) opposite side is provided with spring seat (5), and spring seat (5) is provided with pressure adjusting spring (4), and an end of pressure adjusting spring (4) is provided with pressure regulation pad (3); Oil injector body (2) is connected with oil nozzle (6), and oil nozzle (6) is provided with spray orifice (9), and spray orifice (9) is an inverted cone-shaped structure; The periphery of oil nozzle (6) is with tight cap (7), and tight cap (7) is connected with sheath (8).
2. according to the said a kind of novel oil sprayer that has the inverted cone spray orifice of claim 1, the internal orifice that it is characterized in that said spray orifice (9) is fillet structure (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201213660U CN202493369U (en) | 2012-03-20 | 2012-03-20 | Novel fuel injector with inverted tapered orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201213660U CN202493369U (en) | 2012-03-20 | 2012-03-20 | Novel fuel injector with inverted tapered orifice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493369U true CN202493369U (en) | 2012-10-17 |
Family
ID=46999601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201213660U Expired - Fee Related CN202493369U (en) | 2012-03-20 | 2012-03-20 | Novel fuel injector with inverted tapered orifice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493369U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289880A (en) * | 2014-09-19 | 2015-01-21 | 中山市鸿程科研技术服务有限公司 | A process for processing nozzle holes |
| CN106181245A (en) * | 2016-07-28 | 2016-12-07 | 北海明杰科技有限公司 | A kind of fuel injection equipment atomizer processing technique |
| CN107313884A (en) * | 2013-04-23 | 2017-11-03 | 日立汽车系统株式会社 | Fuelinjection nozzle and its manufacture method |
| CN114887339A (en) * | 2022-04-27 | 2022-08-12 | 江苏宇通干燥工程有限公司 | Spray drier |
-
2012
- 2012-03-20 CN CN2012201213660U patent/CN202493369U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313884A (en) * | 2013-04-23 | 2017-11-03 | 日立汽车系统株式会社 | Fuelinjection nozzle and its manufacture method |
| CN107313884B (en) * | 2013-04-23 | 2019-08-13 | 日立汽车系统株式会社 | The manufacturing method of fuel injection valve |
| CN104289880A (en) * | 2014-09-19 | 2015-01-21 | 中山市鸿程科研技术服务有限公司 | A process for processing nozzle holes |
| CN106181245A (en) * | 2016-07-28 | 2016-12-07 | 北海明杰科技有限公司 | A kind of fuel injection equipment atomizer processing technique |
| CN114887339A (en) * | 2022-04-27 | 2022-08-12 | 江苏宇通干燥工程有限公司 | Spray drier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20150320 |
|
| EXPY | Termination of patent right or utility model |