CN105910103A - Oil injector of oil-fired heating furnace - Google Patents
Oil injector of oil-fired heating furnace Download PDFInfo
- Publication number
- CN105910103A CN105910103A CN201610440994.8A CN201610440994A CN105910103A CN 105910103 A CN105910103 A CN 105910103A CN 201610440994 A CN201610440994 A CN 201610440994A CN 105910103 A CN105910103 A CN 105910103A
- Authority
- CN
- China
- Prior art keywords
- plunger
- oil
- nozzle
- hole
- plunger bushing
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/38—Nozzles; Cleaning devices therefor
- F23D11/383—Nozzles; Cleaning devices therefor with swirl means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/24—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
- F23D11/26—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2202/00—Liquid fuel burners
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses an oil injector of an oil-fired heating furnace and belongs to the technical field of oil injectors. The oil injector comprises a nozzle, an oil injector shell, a plunger sleeve, a plunger, a reset spring, a plunger sleeve abutting and fixing sleeve, a plunger adjusting rod, an electromagnetic coil and an electromagnetic coil shell. The plunger, the electromagnetic coil and the electromagnetic coil shell form an electromagnet, the plunger serves as an armature of the formed electromagnet and is installed in the plunger sleeve, the reset spring is located between the rear end of the plunger and the plunger adjusting rod, and an oil passing hole of the plunger adjusting rod, a vertical blind hole and a horizontal oil passing hole in the tail end of the plunger, a through hole in the tail end of the plunger sleeve, an oil groove in the outer wall of the plunger sleeve and an oil injection hole in the nozzle form an oil flowing and injection path. Swirl oil injection is achieved by means of the oil groove in the outer side wall of the plunger sleeve, and the atomizing effect is good; the plunger is controlled by the electromagnetic coil to move, and control over the oil injection state of the oil injector is achieved; when oil injection stops, an injection hole of the nozzle can be closed, instant oil cutoff is achieved, oil amount is precisely controlled, and the high-precision control requirements are met.
Description
Technical field
The invention belongs to fuel injector technical field, be specifically related to a kind of fuel oil heating fuel injector.
Background technology
nullAt present,The fuel oil injector that heating furnace on market uses has pressure type fuel injector、Oil-return type fuel injector、Rotary cup fuel injector etc.，In use，Fuel injector is installed on heating furnace furnace wall，The nozzle segment of fuel injector exposes heating furnace inwall，Particular job environment (high temperature) due to heating furnace，The control equipment such as the control valve of the start and stop of control fuel injector are all installed on outside heating furnace furnace wall，It is positioned at outside furnace wall owing to controlling valve，After fuel injector stop-spraying，The fuel injection passage of fuel injector also has a lot of fuel oils，These fuel oils also may proceed to burning to burning-out，After fuel injector starts，Need first to supplement the fuel oil of oil duct，Oil spout could be continued，The situation that atomizing effect is bad easily occurs，If fuel injector stop frequency is higher，Fired state will be constantly at fuel injector nozzle，Control just to lose effect，And easily burn burner.
Summary of the invention
The technical issues that need to address of the present invention are to provide that a kind of atomizing effect is good, fuel oil controls accurate heating furnace fuel injector.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of fuel oil heating fuel injector; including nozzle holder, the nozzle that is installed on nozzle holder front end; it is installed on the plunger bushing in fuel injection housing body, plunger, back-moving spring; the plunger bushing being installed on nozzle holder rear end holds out against fixing sleeve; it is installed on the plunger adjusting rod that plunger bushing holds out against in fixing sleeve, the solenoid being set on nozzle holder and the solenoid housing of protection solenoid；Wherein, plunger, solenoid and solenoid housing constitute electric magnet, plunger is installed in plunger bushing as constituting electromagnet armature, back-moving spring holds out against between fixing sleeve at plunger and plunger bushing, and it is enclosed within plunger adjusting rod, the center of described plunger adjusting rod is provided with oil through, described plunger tail end is provided with the vertical blind hole connected with plunger adjusting rod oil through, and connect the horizontal oil-through hole of vertical blind hole, on described plunger bushing tail end tube wall, through hole is set, the oil groove connected with through hole is set on plunger bushing outer wall, described nozzle is provided with nozzle opening, the oil through of plunger adjusting rod, the vertical blind hole of plunger tail end, horizontal oil-through hole, the through hole of plunger bushing tail end, the oil groove of plunger bushing outer wall, nozzle opening on nozzle collectively forms fuel flow communication jet path.
Further, described solenoid housing includes cylinder, is fixed on the end cap at cylinder two ends, the air intake mouthpiece being welded on cylinder lateral wall and connecting with inner barrel, is wherein fixed on the end cap of cylinder one end near the uniform some air vents of edge part.
Further, the head end of described plunger is seal head, described seal head is made up of one section of cone and one section of cylinder, the head end of described plunger bushing is the conical section being provided with centre bore, centre bore aperture matches with the cylinder diameter of seal head, described nozzle center is provided with the two-stage taper hole of different tapering, the cone-apex angle of first order taper hole is identical with the cone-apex angle of plunger bushing head end conical section, the cone-apex angle of second level taper hole is identical with the cone-apex angle of cone on plunger seal head, second level taper hole connects with nozzle opening, and the centrage of second level taper hole overlaps with the centrage of nozzle opening；The cone-apex angle of described cone is 80-140 degree.
Further, using matched in clearance between described plunger and plunger bushing, this matched in clearance is that minimum clearance coordinates.
Further, the lateral surface of described plunger is provided with groove, and described groove connects with horizontal oil-through hole.
Further, uniform a plurality of oil groove on described plunger bushing outer wall, every oil groove is by being positioned at plunger bushing body outer wall finishing bathtray one and being positioned at oil groove two composition on plunger bushing head end conical section surface, wherein oil groove one is uniformly arranged along plunger bushing body outer wall, oil groove two is arranged along plunger bushing head end conical section surface array, and oil groove two connects along the tangential direction of centre bore with centre bore.
Further, it is threaded connection between described nozzle and nozzle holder, and between nozzle and nozzle holder, is provided with copper sealing gasket.
Further, described plunger bushing holds out against and is equipped with annular seal groove on the periphery of fixing sleeve and plunger adjusting rod, installs sealing ring during assembling in seal groove.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
The present invention has carried out brand-new design to the structure of fuel injector, the oil groove utilizing plunger bushing lateral wall realizes eddy flow oil spout, atomizing effect is good, solenoid controlled plunger is utilized to move, realize the on off control of fuel injector oil spout state, during stop-spraying, the spray orifice of nozzle can be closed, realize instant oil-break, it is applicable to high-frequency on off control, fuel oil controlled quentity controlled variable is accurate, meet high-precision control requirement, on plunger lateral surface, groove is set, circulate in groove fuel oil, enhance the lubricant effect of plunger, prevent plunger stuck, prevent from being formed between plunger front end and plunger bushing vacuum chamber；Plunger adjusting rod can change spin chamber's size with the stroke of pilot plunger, changes the sectional area of oil groove two, thus change oil spout oil mass and flow velocity, control the atomizing effect of nozzle, copper sealing gasket is set between nozzle and nozzle holder, it is possible to prevent leakage of oil, strengthens sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is entirety sectional structure schematic diagram of the present invention；
Fig. 2 is plunger plan structure schematic diagram of the present invention；
Fig. 3 is plunger of the present invention main TV structure schematic diagram；
Fig. 4 is that plunger of the present invention looks up structural representation；
Fig. 5 is plunger bushing plan structure schematic diagram of the present invention；
Fig. 6 is plunger bushing of the present invention main TV structure schematic diagram；
Fig. 7 is that structural representation looked up by plunger bushing of the present invention；
Fig. 8 is solenoid housing perspective view of the present invention；
Fig. 9 is plunger adjusting rod of the present invention main TV structure schematic diagram；
Figure 10 is that plunger bushing of the present invention holds out against fixing sleeve main TV structure schematic diagram；
Figure 11 is nozzle holder of the present invention main TV structure schematic diagram；
Wherein: 1, plunger adjusting rod, 2, plunger bushing hold out against fixing sleeve, 3, fuel injector shell, 4, back-moving spring, 5, plunger, 6, plunger bushing, 7, copper sealing gasket, 8, nozzle, 9, solenoid housing, 11, annular seal groove, 21, annular seal groove, 51, vertical blind hole, 52, horizontal oil-through hole, 53, groove, 54, cone, 55, cylinder, 61, through hole, 62, oil groove one, 63, oil groove two, 64, centre bore, 91, air vent, 92, air intake mouthpiece.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further details: the present invention is the fuel oil injector used on a kind of heating furnace, different from common fuel injector, the fuel injector of the present invention structurally carries out bold design, make the cutting-off controlling place at nozzle of oil circuit, the control frequency of fuel injector can be significantly improved, the oil jet path of fuel injector uses tangential direction at end, forms eddy flow oil spout, and atomizing effect is good.
As shown in Fig. 1～11; fuel injector main body of the present invention is by nozzle holder 1; it is installed on the nozzle 8 of nozzle holder 1 front end; the plunger bushing 6 that is installed in nozzle holder 1, plunger 5, back-moving spring 4; the plunger bushing being installed on nozzle holder 1 rear end holds out against fixing sleeve 2; it is installed on plunger bushing and holds out against the plunger adjusting rod 1 in fixing sleeve 2, the solenoid being set on nozzle holder and the solenoid housing 9 of protection solenoid；Wherein, plunger 5, solenoid and solenoid housing 9 constitute the electric magnet controlling fuel injector oil spout state, plunger 5 is installed in plunger bushing 6 as constituting electromagnet armature, and back-moving spring 4 holds out against between fixing sleeve 2 at plunger 5 and plunger bushing, and is enclosed within plunger adjusting rod 1.Plunger adjusting rod 1 is after the stroke of pilot plunger, solenoid energising, and plunger, by electromagnet suction, withstands plunger adjusting rod 1, back-moving spring compresses, and forms spin chamber, nozzle commencement of fuel injection between plunger head end and plunger bushing, after solenoid power-off, back-moving spring reset plunger, stop oil spout.
In order to realize the through of oil circuit, and realize good atomization oil spout, the center of described plunger adjusting rod 1 is provided with oil through, described plunger 5 tail end is provided with the vertical blind hole 51 connected with plunger adjusting rod 1 oil through, and connect the horizontal oil-through hole 52 of vertical blind hole 51, on described plunger bushing 6 tail end tube wall, through hole 61 is set, the oil groove connected with through hole is set on plunger bushing outer wall, described nozzle 8 is provided with nozzle opening, the oil through of plunger adjusting rod 1, the vertical blind hole 51 of plunger 5 tail end, horizontal oil-through hole 52, the through hole 61 of plunger bushing tail end, the oil groove of plunger bushing outer wall, nozzle opening on nozzle collectively forms fuel flow communication jet path.
As shown in Figure 8, solenoid housing 9 of the present invention includes cylinder, it is fixed on the end cap at cylinder two ends, the air intake mouthpiece 92 being welded on cylinder lateral wall and connect with inner barrel, wherein being fixed on the end cap of cylinder one end near the uniform some air vents 91 of edge part, air intake mouthpiece connects cooling wind, and cooling wind is entered solenoid enclosure interior by air intake mouthpiece, by then being discharged by some air vents around solenoid, solenoid is cooled down.During actual installation, with a side end cap of air vent near medial surface side, furnace wall, can lower the temperature to coil, can lower the temperature to nozzle again.Why ventilating system is set, is because this burner and is installed on heating furnace furnace wall, and heating furnace is high-temperature heating device, furnace wall temperature is the highest, the heat passed to by injector body, it is easy to make solenoid insulating barrier quick aging, solenoid damages.
As shown in figs. 2 to 4, the head end of plunger 5 of the present invention is seal head, and described seal head is made up of one section of cone 54 and one section of cylinder 55, and seal head is for realizing the stop-spraying oil-break of fuel injector.As shown in Fig. 5～7, the head end of plunger bushing of the present invention is the conical section being provided with centre bore 64, centre bore 64 aperture matches with cylinder 55 diameter of seal head, described nozzle 8 center is provided with the two-stage taper hole of different tapering, the cone-apex angle of first order taper hole is identical with the cone-apex angle of plunger bushing head end conical section, the cone-apex angle of second level taper hole is identical with the cone-apex angle of cone 54 on plunger seal head, and second level taper hole connects with nozzle opening, and the centrage of second level taper hole overlaps with the centrage of nozzle opening.In order to obtain good atomizing effect, and shutoff effect when ensureing stop-spraying oil-break, it is achieved immediately turning off, improve the oil spout frequency of fuel injector, the cone-apex angle of described cone 54 is 80-140 degree, changes this angle, thus it is possible to vary atomizing angle.
In order to ensure control accuracy, make the cone on plunger tightly coordinate with the second taper hole on nozzle, it is achieved instant oil-break, between described plunger 5 and plunger bushing 6, use matched in clearance, and this matched in clearance is that minimum clearance coordinates.Minimum clearance is used to coordinate owing to coordinating, in order to ensure plunger regular event in plunger bushing, do not produce clamping stagnation and between plunger front end and plunger bushing, do not produce vacuum chamber, the lateral surface of described plunger 5 is provided with groove 53, and described groove 53 connects with horizontal oil-through hole 52, and whole plunger can be lubricated by fuel oil, thus prevent clamping stagnation, meanwhile, arranging of groove 53 can also prevent from being formed between plunger and plunger bushing vacuum when plunger changes from off state to oil spout state.
In order to ensure fuel delivery, adapt to the needs of different distributive value, uniform a plurality of oil groove on described plunger bushing 6 outer wall, every oil groove is by being positioned at plunger bushing body outer wall finishing bathtray 1 and oil groove 2 63 composition being positioned on plunger bushing head end conical section surface, wherein oil groove 1 is uniformly arranged along plunger bushing body outer wall, oil groove 2 63 is arranged along plunger bushing head end conical section surface array, and oil groove two connects along the tangential direction of centre bore 64 with centre bore 64, the design of oil groove two, the fuel oil traffic direction making oil groove two presents tangential direction with centre bore 64, under the cooperation of the second taper hole, realize swirl injection.One specific embodiment of the present invention, as shown in Fig. 5～7, totally two, the oil groove on plunger bushing 6 outer wall, oil groove 1 is symmetrical arranged along plunger bushing body outer wall, and oil groove 2 63 is arranged along plunger bushing head end conical section surface array.
In order to ensure the sealing of whole fuel injector, prevent leakage of oil, be threaded connection between described nozzle 8 and nozzle holder 1, and between nozzle 8 and nozzle holder 1, be provided with copper sealing gasket 7.As shown in Figure 10, described plunger bushing holds out against the periphery of fixing sleeve 2 and is provided with annular seal groove 21.As it is shown in figure 9, the periphery of plunger adjusting rod 1 is provided with annular seal groove 11, sealing ring is installed in seal groove during assembling.
Claims (9)
1. a fuel oil heating fuel injector; it is characterized in that: include nozzle holder (1); it is installed on the nozzle (8) of nozzle holder front end; the plunger bushing (6) that is installed in fuel injection housing body, plunger (5), back-moving spring (4); the plunger bushing being installed on nozzle holder (1) rear end holds out against fixing sleeve (2); it is installed on the plunger adjusting rod (1) that plunger bushing holds out against in fixing sleeve (2), is set in the solenoid on nozzle holder (1) and the solenoid housing (9) of protection solenoid；nullWherein，Plunger (5)、Solenoid and solenoid housing (9) constitute electric magnet，Plunger (5) is installed in plunger bushing (6) as constituting electromagnet armature，Back-moving spring (4) is positioned at plunger (5) and plunger bushing holds out against between fixing sleeve (2)，And it is enclosed within plunger adjusting rod (1)，The center of described plunger adjusting rod (1) is provided with oil through，Described plunger tail end is provided with the vertical blind hole (51) connected with plunger adjusting rod oil through，And connect the horizontal oil-through hole (52) of vertical blind hole (51)，Through hole (61) is set on described plunger bushing (6) tail end tube wall，The oil groove connected with through hole is set on plunger bushing (6) outer wall，Described nozzle (8) is provided with nozzle opening，The oil through of plunger adjusting rod (1)、The vertical blind hole (51) of plunger (5) tail end、Horizontal oil-through hole (52)、The through hole (61) of plunger bushing (6) tail end、The oil groove of plunger bushing (6) outer wall、Nozzle opening on nozzle (8) collectively forms fuel flow communication jet path.
Fuel oil heating fuel injector the most according to claim 1, it is characterized in that described solenoid housing (9) includes cylinder, it is fixed on the end cap at cylinder two ends, the air intake mouthpiece (92) being welded on cylinder lateral wall and connect with inner barrel, is wherein fixed on the end cap of cylinder one end near the uniform some air vents of edge part (91).
3. according to the fuel oil heating fuel injector described in any one of claim 1 or 2, the head end that it is characterized in that described plunger (5) is seal head, described seal head is made up of one section of cone (54) and one section of cylinder (55), the head end of described plunger bushing (6) is the conical section being provided with centre bore (64), centre bore (64) aperture matches with the cylinder diameter of seal head, described nozzle center is provided with the two-stage taper hole of different tapering, the cone-apex angle of first order taper hole is identical with the cone-apex angle of plunger bushing head end conical section, the cone-apex angle of second level taper hole is identical with the cone-apex angle of cone (54) on plunger seal head, second level taper hole connects with nozzle opening, and the centrage of second level taper hole overlaps with the centrage of nozzle opening.
Fuel oil heating fuel injector the most according to claim 3, it is characterised in that the cone-apex angle of described cone (54) is 80-140 degree.
Fuel oil heating fuel injector the most according to claim 4, it is characterised in that use matched in clearance between described plunger (5) and plunger bushing (6), this matched in clearance is that minimum clearance coordinates.
6. according to the fuel oil heating fuel injector described in any one of claim 1,2,4 or 5, it is characterised in that the lateral surface of described plunger is provided with groove, and described groove connects with horizontal oil-through hole.
Fuel oil heating fuel injector the most according to claim 6, it is characterized in that uniform a plurality of oil groove on described plunger bushing (6) outer wall, every oil groove is by being positioned at plunger bushing body outer wall finishing bathtray one (62) and oil groove two (63) composition being positioned on plunger bushing head end conical section surface, wherein oil groove one (62) is uniformly arranged along plunger bushing body outer wall, oil groove two (63) is arranged along plunger bushing head end conical section surface array, and oil groove two connects along the tangential direction of centre bore (64) with centre bore (64).
Fuel oil heating fuel injector the most according to claim 7, it is characterised in that be threaded connection between described nozzle (8) and nozzle holder (1), and it is provided with copper sealing gasket between nozzle (8) and nozzle holder (1).
Fuel oil heating fuel injector the most according to claim 8, it is characterized in that described plunger bushing to hold out against on the periphery of fixing sleeve (2) and be equipped with annular seal groove one (21), the periphery of plunger adjusting rod (1) is provided with annular seal groove two (11), installs sealing ring during assembling in seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440994.8A CN105910103B (en) | 2016-06-20 | 2016-06-20 | Fuel oil heating fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440994.8A CN105910103B (en) | 2016-06-20 | 2016-06-20 | Fuel oil heating fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910103A true CN105910103A (en) | 2016-08-31 |
| CN105910103B CN105910103B (en) | 2018-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610440994.8A Expired - Fee Related CN105910103B (en) | 2016-06-20 | 2016-06-20 | Fuel oil heating fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910103B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58193010A (en) * | 1982-05-04 | 1983-11-10 | Yamamura Glass Kk | Burner for heavy oil |
| US6186417B1 (en) * | 2000-01-22 | 2001-02-13 | Industrial Technology Research Institute | Front pressure-swirl atomizer |
| CN2445206Y (en) * | 2000-10-31 | 2001-08-29 | 河北工业大学 | Internal ultrasonic mixed bubble atomization spray nozzle |
| CN101016874A (en) * | 2007-03-13 | 2007-08-15 | 中国计量学院 | Fuel-saving injection apparatus used in vehicles |
| CN101338716A (en) * | 2008-09-02 | 2009-01-07 | 北京华威奇燃油喷射科技有限公司 | High pressure co-rail electric control fuel injector |
| CN101532453A (en) * | 2009-03-18 | 2009-09-16 | 临海弘征汽车电喷技术有限公司 | Electromagnetic gasoline pump |
| CN201377371Y (en) * | 2009-03-18 | 2010-01-06 | 临海弘征汽车电喷技术有限公司 | Electromagnetic gasoline pump |
| CN101871411A (en) * | 2010-06-11 | 2010-10-27 | 哈尔滨工程大学 | Modularized electric unit pump |
| CN102721081A (en) * | 2012-06-26 | 2012-10-10 | 哈尔滨工程大学 | Nozzle for enhancing atomization by plasma |
| CN103925135A (en) * | 2014-04-12 | 2014-07-16 | 哈尔滨工程大学 | Common rail oil injector |
| CN204438112U (en) * | 2014-12-23 | 2015-07-01 | 陈伟珍 | A kind of burner nozzle |
| CN205807409U (en) * | 2016-06-20 | 2016-12-14 | 史亮 | Fuel oil heating fuel injector |
-
2016
- 2016-06-20 CN CN201610440994.8A patent/CN105910103B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58193010A (en) * | 1982-05-04 | 1983-11-10 | Yamamura Glass Kk | Burner for heavy oil |
| US6186417B1 (en) * | 2000-01-22 | 2001-02-13 | Industrial Technology Research Institute | Front pressure-swirl atomizer |
| CN2445206Y (en) * | 2000-10-31 | 2001-08-29 | 河北工业大学 | Internal ultrasonic mixed bubble atomization spray nozzle |
| CN101016874A (en) * | 2007-03-13 | 2007-08-15 | 中国计量学院 | Fuel-saving injection apparatus used in vehicles |
| CN101338716A (en) * | 2008-09-02 | 2009-01-07 | 北京华威奇燃油喷射科技有限公司 | High pressure co-rail electric control fuel injector |
| CN101532453A (en) * | 2009-03-18 | 2009-09-16 | 临海弘征汽车电喷技术有限公司 | Electromagnetic gasoline pump |
| CN201377371Y (en) * | 2009-03-18 | 2010-01-06 | 临海弘征汽车电喷技术有限公司 | Electromagnetic gasoline pump |
| CN101871411A (en) * | 2010-06-11 | 2010-10-27 | 哈尔滨工程大学 | Modularized electric unit pump |
| CN102721081A (en) * | 2012-06-26 | 2012-10-10 | 哈尔滨工程大学 | Nozzle for enhancing atomization by plasma |
| CN103925135A (en) * | 2014-04-12 | 2014-07-16 | 哈尔滨工程大学 | Common rail oil injector |
| CN204438112U (en) * | 2014-12-23 | 2015-07-01 | 陈伟珍 | A kind of burner nozzle |
| CN205807409U (en) * | 2016-06-20 | 2016-12-14 | 史亮 | Fuel oil heating fuel injector |
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| Publication number | Publication date |
|---|---|
| CN105910103B (en) | 2018-04-13 |
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Granted publication date: 20180413 Termination date: 20210620 |