CN102108891A - Electromagnetic valve type urea solution injector - Google Patents
Electromagnetic valve type urea solution injector Download PDFInfo
- Publication number
- CN102108891A CN102108891A CN 201010275693 CN201010275693A CN102108891A CN 102108891 A CN102108891 A CN 102108891A CN 201010275693 CN201010275693 CN 201010275693 CN 201010275693 A CN201010275693 A CN 201010275693A CN 102108891 A CN102108891 A CN 102108891A
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- Prior art keywords
- electromagnetic valve
- nozzle
- valve type
- spool
- connecting rod
- Prior art date
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000004202 carbamide Substances 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 29
- 230000004907 flux Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000013078 crystal Substances 0.000 abstract description 7
- 238000000889 atomisation Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
Abstract
An electromagnetic valve type urea solution injector relates to an injector, and comprises an electromagnetic valve type injecting body, and an injecting nozzle, wherein the electromagnetic valve type injecting body and the injecting nozzle are connected into a whole through an injecting nozzle connecting rod; the injecting nozzle comprises a valve seat, a sealing steel ball mounted at a valve, a spraying orifice plate provided with a spraying orifice and mounted at the front end of the valve, and a step hole is formed between the front end part of the valve seat and the spraying orifice plate to form a turbulent cavity A ; a heat-insulating sleeve is arranged on an excircle at the front end of the valve seat for preventing heat energy of a tail gas discharge pipe from passing into the injecting nozzle; and a single-orifice atomization structure is arranged in the injecting nozzle. The electromagnetic valve type urea solution injector can work in high-temperature and high-speed gas with long-term stability and very high reliability, has low possibility of blockage, and better solves the problem that the spraying orifice can be blocked up by urea crystals. The invention also has the advantages of low manufacturing cost, short maintenance time of the product, reasonable structure and convenience in installation, etc.
Description
Technical field
The present invention relates to a kind of sparger, particularly a kind of urea liquid electromagnetic valve type sparger that under the high-temperature high-flow rate gaseous environment, uses.
Background technique
Being used for one of exhaust emissions of diesel engine processing mode at present is to use urea liquid electromagnetic valve type sparger directly to spray into urea liquid in the outlet pipe, urea liquid at high temperature decomposites ammonia, and ammonia becomes nitric oxide reduction the nitrogen G﹠W under the effect of catalyst converter.Because the nozzle of urea liquid electromagnetic valve type sparger directly places among high temperature more than 600 ℃, the high-speed gas, exists urea crystals to stop up phenomenons such as spray orifice and jet orifice plate distortion when using for a long time easily.
Summary of the invention
The main technical problem to be solved in the present invention is: provide a kind of urea liquid electromagnetic valve type fuel injector, so that this oil sprayer can be in high temperature, the medium-term and long-term stable work of high-speed gas.
The further technical problem that the present invention will solve is: make this oil sprayer can solve urea crystals and stop up the spray orifice phenomenon.
The basic ideas that solve the problems of the technologies described above are: change structure of nozzle in the sparger, design a turbulent chamber at spray nozzle front end, make urea form vaporific turbulent flow at spray nozzle front end, do not allow high temperature, high-speed gas act directly on nozzle and above the orifice plate; The length of extended jet nozzle adds the area of contact of giant and cooling water, improves sparger integral heat sink effect; Increase adiabatic ring at spray nozzle front end, stop the heat energy of tail gas discharging pipe to import nozzle into; One single hole atomization structure is arranged in nozzle, solve urea crystals and stop up the spray orifice problem.
The technological scheme that solves above-mentioned technical problem underlying is: a kind of urea liquid electromagnetic valve type sparger, comprise the electromagnetic valve type ejectisome that has the solution inlet opening, the nozzle that has spray holes, described nozzle fuses by nozzle connecting rod and electromagnetic valve type ejectisome, described nozzle comprises the valve seat, the sealing steel ball that is installed in the valve place that are provided with valve, be installed in the valve front end and have the jet orifice plate of described spray holes, and described valve seat in the front end end to being provided with a step hole that forms turbulent chamber A between the jet orifice plate.
Of the present invention more further technological scheme be: the jacket that a heat energy that is used to stop tail gas discharging pipe imports nozzle into also is installed on the described valve seat front end cylindrical.
The technological scheme that solves above-mentioned further technical problem is: the spray holes on the described jet orifice plate has only one, and this spray holes departs from the shaft axis setting of jet orifice plate, and the diameter of this spray holes is 0.1mm～0.5mm; Described valve seat also is provided with one and is communicated with step hole valve and spray holes, that form turbulent chamber B between valve and jet orifice plate.
Another technological scheme of the present invention is: described electromagnetic valve type ejectisome comprise shell, successively be positioned at shell concentrating flux sleeve, electromagnetic coil, have the main shaft of oil duct, the oil duct of main shaft communicates with the solution inlet opening, and filter screen, position-limiting tube, return spring, spool are installed successively in the oil duct of main shaft, the cylindrical of front-end of spindle is provided with sealed groove, and the sealing groove extends to the outer coolant seal that also is equipped with of shell within it; Described nozzle connecting rod one end is installed in the endoporus of front-end of spindle, the other end is installed in the endoporus of valve seat rear end, and a spool connecting rod coaxial with spool is installed also in the nozzle connecting rod, this spool connecting rod one end is connected in the endoporus of spool front end, and the sealing steel ball in the other end and the valve seat is fixedly linked.
Described electromagnetic valve type ejectisome also is equipped with the turncap that can do 180 ° of rotations, this turncap is for falling 7 font structures by the cap body with oil intake nozzle that cap body top fuses constitutes, described cap body is installed on the shell, and described solution inlet opening is located in the oil intake nozzle; Described shell is provided with the spacing preiection that can make turncap do 180 ° of rotations on the surface of matching with the cap body.
Described shell is provided with installation base in a side, and has mounting hole vertically in this installation base; Described shell is provided with locating stud vertically at opposite side.
Because adopt said structure, the present invention's urea liquid electromagnetic valve type sparger is compared with existing urea liquid electromagnetic valve type sparger, has following beneficial effect.
1, can be in the medium-term and long-term stable work of high temperature, high-speed gas:
Owing to the present invention includes electromagnetic valve type ejectisome, nozzle and nozzle connecting rod, and the valve seat of nozzle in the front end end to being provided with a step hole that forms turbulent chamber A between the jet orifice plate.This turbulent flow chamber A can make urea form vaporific turbulent flow at spray nozzle front end, do not allow high temperature, high-speed gas act directly on nozzle and above the jet orifice plate, therefore, the present invention can not only be in the medium-term and long-term stable work of high temperature, high-speed gas, and can also solve the problem of jet orifice plate easy deformation.
2, improve the reliability of urea liquid electromagnetic valve type sparger:
Because the present invention has changed the nozzle arrangements of urea liquid electromagnetic valve type sparger, do not allow high temperature, high-speed gas act directly on nozzle and above the jet orifice plate; Nozzle of the present invention fuses by nozzle connecting rod and electromagnetic valve type ejectisome simultaneously, make that nozzle ear end face to the distance between the electromagnetic valve type ejectisome front-end face obtains increasing, the length of nozzle has extended, thereby strengthened the area of contact of nozzle and cooling water, improved sparger integral heat sink effect; The present invention also increases a jacket at spray nozzle front end, and this jacket can stop the heat energy of tail gas discharging pipe to import nozzle into, and therefore, the present invention has reduced the operating temperature of sparger comprehensively and effectively, has improved reliability of products greatly.
3, solve urea crystals and stopped up the spray orifice problem:
Because the present invention has a single hole atomization structure in nozzle, promptly be that the spray holes on the described jet orifice plate has only one, this spray holes departs from the shaft axis setting of jet orifice plate, and the diameter of this spray holes is 0.1mm～0.5mm; Described valve seat also is provided with one and is communicated with step hole valve and spray holes, that form turbulent chamber B between valve and jet orifice plate.Since spray holes be a precision than large micropore, therefore, its be difficult for to produce stops up and carbon distribution phenomenon in use; In addition, turbulent flow chamber B makes when the fluid that comes out from valve behind valve open high speed rotating in turbulent chamber B, and under action of pressure, the liquid vaporific and cone-shaped spray holes that ejects then when flowing out the spray holes of jet orifice plate with particle, therefore, the present invention both had been difficult for stopping up, and had atomizing functions again, can solve urea crystals preferably and stop up the spray orifice problem.
4, reduce cost of goods manufactured, reduced the product maintenance time:
Because the present invention has reduced the operating temperature of sparger comprehensively and effectively, therefore can reduce the temperature requirement of material, thereby reduce cost of goods manufactured; In addition, this sparger has reduced the crystallization on spray holes, therefore can prolong the crystallization time of urea on spray holes, has reduced the maintenance time of product.
5, rational in infrastructure reliable:
Because the main shaft of this urea liquid electromagnetic valve type sparger is for collecting iron core and magnetic shield in unitary whole formula structure, it is bigger at the position of magnetic shield cross-section area, has effectively increased the magnetic flux of electromagnetic circuit, thereby has accelerated the speed of response of sparger; In addition, the present invention has also increased by one rotatable 180 ° the 7 font turncaps that fall, and greatly facilitates the connection of liquid inlet pipe; Simultaneously, the present invention also is provided with the installation base of band mounting hole in a side of housing, and has increased a locating stud at the opposite side of housing, and pin has substituted complicated injector mounting structure with the cooperating structure of mounting hole.Generally speaking, structure of the present invention is relatively rationally reliable.
Below, the technical characteristics to the present invention's urea liquid electromagnetic valve type sparger is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
Fig. 1～Fig. 2: the internal structure schematic representation of the described the present invention's of embodiment urea liquid electromagnetic valve type sparger,
Fig. 1: the main sectional view of looking; The A portion enlarged view of Fig. 2: Fig. 1;
Fig. 3～Fig. 5: the external structure schematic representation of the described the present invention's of embodiment urea liquid electromagnetic valve type sparger,
Fig. 3: plan view; The left view of Fig. 4: Fig. 3; The plan view of Fig. 5: Fig. 3;
Among the figure,
1-solution inlet opening; The 2-turncap; 21-cap body; The 22-oil intake nozzle; The 3-filter screen;
The 4-coolant seal; 5-electroplax sheet; The 6-shell; The 601-installation base, the 601-mounting hole;
The 602-locating stud; The 7-electromagnetic coil; The 8-concentrating flux sleeve; The 9-main shaft; The 10-jacket;
The 11-jet orifice plate; The 111-spray holes; 12-forms the step hole of turbulent chamber A;
13-seals steel ball; The 14-valve seat; The 141-valve; 142-forms the step hole of turbulent chamber B;
15-spool connecting rod; 16-nozzle connecting rod; The 17-coolant seal; The 18-spool;
The 19-return spring; The 20-position-limiting tube, Q-front end, H-rear end.
Embodiment
As shown in Figure 1, a kind of urea liquid electromagnetic valve type sparger, it comprises the electromagnetic valve type ejectisome I that has the solution inlet opening, the nozzle II that has spray holes, described nozzle II fuses by nozzle connecting rod 16 and electromagnetic valve type ejectisome I, length with extended jet nozzle, the area of contact that adds giant and cooling water, the cooling effect of enhancing sparger.
The jet orifice plate 11(that described nozzle II comprises the valve seat 14, the sealing steel ball 13 that is installed in valve 141 places that are provided with valve 141, be installed in the valve front end and have a described spray holes 111 is referring to Fig. 2), and described valve seat 14 in front end Q end to being provided with a step hole 12 that forms turbulent chamber A between the jet orifice plate 11; The jacket 10 that a heat energy that is used to stop tail gas discharging pipe imports nozzle into also is installed on the described valve seat 14 front end cylindricals; Spray holes 111 on the described jet orifice plate 11 has only one, and this spray holes 111 departs from the shaft axis setting of jet orifice plate 11, and the diameter of this spray holes 111 is 0.3mm; Described valve seat 14 also is provided with one and is communicated with step hole 142 valve and spray holes, that form turbulent chamber B between valve 141 and jet orifice plate 11.
Be equipped with in described electromagnetic valve type ejectisome I comprises the shell 6 of electrode slices 5, successively be positioned at shell 6 concentrating flux sleeve 8, electromagnetic coil 7, have the main shaft 9 of oil duct, the oil duct of main shaft 9 communicates with solution inlet opening 1, and filter screen 3, position-limiting tube 20, return spring 19, spool 18 are installed successively in the oil duct of main shaft 9, the cylindrical of main shaft 9 front ends is provided with sealed groove, and the sealing groove extends to the outer coolant seal 17 that also is equipped with of shell within it; Described nozzle connecting rod 16 1 ends are installed in the endoporus of main shaft 9 front ends, the other end is installed in the endoporus of valve seat 14 rear ends, and a spool connecting rod 15 coaxial with spool is installed also in the nozzle connecting rod 16, these spool connecting rod 15 1 ends are connected in the endoporus of spool 18 front ends, and the sealing steel ball 13 in the other end and the valve seat 14 is fixedly linked.
Described electromagnetic valve type ejectisome I also is equipped with the turncap 2 that can do 180 ° of rotations, this turncap 2 is for falling 7 font structures by cap body 21 with oil intake nozzle 22 that cap body 21 tops fuse constitutes, described cap body 21 is installed on the shell 6, between shell 6 rear ends and the cap body 21 urea seal ring 4 is installed, and described solution inlet opening 1 is located in the oil intake nozzle 22; Described shell 6 be provided with on the surface of matching with cap body 21 can make turncap do 180 ° of rotations spacing preiection (referring to Fig. 3～Fig. 5), this turncap 2 can greatly facilitate the connection of liquid inlet pipe.
Described shell 6 is provided with installation base 601 in a side, and has mounting hole 6011 vertically in this installation base 601; Described shell is provided with locating stud 602 vertically at opposite side; Cooperating structure by this locating stud and mounting hole has substituted complicated injector mounting structure.
In the present embodiment, described main shaft 9, concentrating flux sleeve 8, electromagnetic coil 6, electrode slices 5 constitute the electromagnetic circuit assembly that produces electromagnetic force; Spool 18, spool connecting rod 15, sealing steel ball 13, valve seat 14 are formed in and produce action that opens and closes valve and the valve member of realizing sealing function under the electromagnetic force effect; Jet orifice plate 11, position-limiting tube 20, return spring 19 work to adjust the spray characteristics adjustment assembly of controlling liquid Flow characteristics and atomization characteristics.
The working principle of the present invention's urea liquid electromagnetic valve type sparger is as follows:
The pulse control voltage that comes from electronic controller is input in the electromagnetic coil 7, when pulse is high level, spool 18 in the electromagnetic circuit assembly overcomes spring force and is picked up after obtaining electromagnetic force, electromagnetic force disappears when pulse is low level, elastic force effect lower valve core 18 at return spring 19 is got back to original position, has then realized valve opening solenoid and the process of closing.Owing to increased a turbulent chamber A before the nozzle, make urea form vaporific turbulent flow at spray nozzle front end, do not allow high temperature, high-speed gas act directly on nozzle and above the jet orifice plate 11; One single hole atomization structure is arranged in nozzle, can solve urea crystals and stop up the spray orifice problem; The length of extended jet nozzle can add the area of contact of giant and cooling water, improves sparger integral heat sink effect; Increase jacket 10 at spray nozzle front end, can stop the heat energy of tail gas discharging pipe to import nozzle into.
As a kind of conversion of present embodiment, described electromagnetic valve type ejectisome I can also be other structure.
Claims (7)
1. urea liquid electromagnetic valve type sparger, comprise the electromagnetic valve type ejectisome (I) that has the solution inlet opening, the nozzle (II) that has spray holes, it is characterized in that: described nozzle (II) fuses by nozzle connecting rod (16) and electromagnetic valve type ejectisome (I), described nozzle (II) comprises the valve seat (14) that is provided with valve (141), be installed in the sealing steel ball (13) that valve (141) is located, be installed in the valve front end and have the jet orifice plate (11) of described spray holes (111), and described valve seat (14) in the front end end to being provided with a step hole (12) that forms turbulent chamber A between the jet orifice plate (11).
2. urea liquid electromagnetic valve type sparger according to claim 1 is characterized in that: the jacket (10) that a heat energy that is used to stop tail gas discharging pipe imports nozzle into also is installed on described valve seat (14) the front end cylindrical.
3. urea liquid electromagnetic valve type sparger according to claim 1 and 2, it is characterized in that: the spray holes (111) on the described jet orifice plate (11) has only one, this spray holes (111) departs from the shaft axis setting of jet orifice plate (11), and the diameter of this spray holes (111) is 0.1mm～0.5mm; Described valve seat (14) also is provided with one and is communicated with step hole (142) valve and spray holes, that form turbulent chamber B between valve (141) and jet orifice plate (11).
4. urea liquid electromagnetic valve type sparger according to claim 1 and 2, it is characterized in that: described electromagnetic valve type ejectisome (I) comprises shell (6), be positioned at the concentrating flux sleeve (8) of shell (6) successively, electromagnetic coil (7), the main shaft (9) that has oil duct, the oil duct of main shaft (9) communicates with solution inlet opening (1), and filter screen (3) is installed successively in the oil duct of main shaft (9), position-limiting tube (20), return spring (19), spool (18), the cylindrical of main shaft (9) front end is provided with sealed groove, and the sealing groove extends to the outer coolant seal (17) that also is equipped with of shell within it; Described nozzle connecting rod (16) one ends are installed in the endoporus of main shaft (9) front end, the other end is installed in the endoporus of valve seat (14) rear end, and a spool connecting rod (15) coaxial with spool is installed also in the nozzle connecting rod (16), these spool connecting rod (15) one ends are connected in the endoporus of spool (18) front end, and the sealing steel ball (13) in the other end and the valve seat (14) is fixedly linked.
5. urea liquid electromagnetic valve type sparger according to claim 3, it is characterized in that: described electromagnetic valve type ejectisome (I) comprises shell (6), be positioned at the concentrating flux sleeve (8) of shell (6) successively, electromagnetic coil (7), the main shaft (9) that has oil duct, the oil duct of main shaft (9) communicates with solution inlet opening (1), and filter screen (3) is installed successively in the oil duct of main shaft (9), position-limiting tube (20), return spring (19), spool (18), the cylindrical of main shaft (9) front end is provided with sealed groove, and the sealing groove extends to the outer coolant seal (17) that also is equipped with of shell within it; Described nozzle connecting rod (16) one ends are installed in the endoporus of main shaft (9) front end, the other end is installed in the endoporus of valve seat (14) rear end, and a spool connecting rod (15) coaxial with spool is installed also in the nozzle connecting rod (16), these spool connecting rod (15) one ends are connected in the endoporus of spool (18) front end, and the sealing steel ball (13) in the other end and the valve seat (14) is fixedly linked.
6. urea liquid electromagnetic valve type sparger according to claim 5, it is characterized in that: described electromagnetic valve type ejectisome (I) also is equipped with the turncap (2) that can do 180 ° of rotations, this turncap (2) falls 7 font structures for what the oil intake nozzle (22) that fuses by cap body (21) with cap body (21) top constituted, described cap body (21) is installed on the shell (6), and described solution inlet opening (1) is located in the oil intake nozzle (22); Described shell (6) is provided with the spacing preiection that can make turncap do 180 ° of rotations on the surface of matching with cap body (21).
7. urea liquid electromagnetic valve type sparger according to claim 6 is characterized in that: described shell (6) is provided with installation base (601) in a side, and has mounting hole (6011) vertically in this installation base (601); Described shell is provided with locating stud (602) vertically at opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102756937A CN102108891B (en) | 2010-09-08 | 2010-09-08 | Electromagnetic valve type urea solution injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102756937A CN102108891B (en) | 2010-09-08 | 2010-09-08 | Electromagnetic valve type urea solution injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102108891A true CN102108891A (en) | 2011-06-29 |
| CN102108891B CN102108891B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102756937A Active CN102108891B (en) | 2010-09-08 | 2010-09-08 | Electromagnetic valve type urea solution injector |
Country Status (1)
| Country | Link |
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| CN (1) | CN102108891B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650226A (en) * | 2012-05-07 | 2012-08-29 | 吉林大学 | Device for melting and quantitatively spraying solid urea |
| CN104747579A (en) * | 2015-03-19 | 2015-07-01 | 谭建忠 | Flexible shaft system with self-controlled spraying passage |
| CN105003327A (en) * | 2015-08-12 | 2015-10-28 | 清华大学苏州汽车研究院（吴江） | SCR airless urea nozzle |
| CN105386832A (en) * | 2015-12-23 | 2016-03-09 | 安徽江淮汽车股份有限公司 | Cooling water distribution valve and engine assembly |
| CN109989807A (en) * | 2019-03-20 | 2019-07-09 | 柳州源创电喷技术有限公司 | Urea liquid atomization solenoid valve type metering injector |
| CN111702146A (en) * | 2020-06-30 | 2020-09-25 | 江苏理工学院 | Electromagnetic valve jet type cooling device for aluminum alloy die-casting die core |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326444Y (en) * | 2008-12-23 | 2009-10-14 | 无锡油泵油嘴研究所 | SCR urea jet apparatus for exhaust post treatment of diesel engine |
| WO2010059294A1 (en) * | 2008-11-21 | 2010-05-27 | Tenneco Automotive Operating Company Inc. | Methods and apparatus for injecting atomized fluids |
| CN201763421U (en) * | 2010-09-08 | 2011-03-16 | 柳州源创电喷技术有限公司 | Electromagnetic valve type injector of urea solution |
-
2010
- 2010-09-08 CN CN2010102756937A patent/CN102108891B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010059294A1 (en) * | 2008-11-21 | 2010-05-27 | Tenneco Automotive Operating Company Inc. | Methods and apparatus for injecting atomized fluids |
| CN201326444Y (en) * | 2008-12-23 | 2009-10-14 | 无锡油泵油嘴研究所 | SCR urea jet apparatus for exhaust post treatment of diesel engine |
| CN201763421U (en) * | 2010-09-08 | 2011-03-16 | 柳州源创电喷技术有限公司 | Electromagnetic valve type injector of urea solution |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650226A (en) * | 2012-05-07 | 2012-08-29 | 吉林大学 | Device for melting and quantitatively spraying solid urea |
| CN102650226B (en) * | 2012-05-07 | 2014-04-30 | 吉林大学 | Device for melting and quantitatively spraying solid urea |
| CN104747579A (en) * | 2015-03-19 | 2015-07-01 | 谭建忠 | Flexible shaft system with self-controlled spraying passage |
| CN105003327A (en) * | 2015-08-12 | 2015-10-28 | 清华大学苏州汽车研究院（吴江） | SCR airless urea nozzle |
| CN105386832A (en) * | 2015-12-23 | 2016-03-09 | 安徽江淮汽车股份有限公司 | Cooling water distribution valve and engine assembly |
| CN109989807A (en) * | 2019-03-20 | 2019-07-09 | 柳州源创电喷技术有限公司 | Urea liquid atomization solenoid valve type metering injector |
| CN111702146A (en) * | 2020-06-30 | 2020-09-25 | 江苏理工学院 | Electromagnetic valve jet type cooling device for aluminum alloy die-casting die core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102108891B (en) | 2012-11-14 |
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