CN110359987A - A kind of nozzle of the valve seat with eddy flow slot - Google Patents
A kind of nozzle of the valve seat with eddy flow slot Download PDFInfo
- Publication number
- CN110359987A CN110359987A CN201910787455.5A CN201910787455A CN110359987A CN 110359987 A CN110359987 A CN 110359987A CN 201910787455 A CN201910787455 A CN 201910787455A CN 110359987 A CN110359987 A CN 110359987A
- Authority
- CN
- China
- Prior art keywords
- valve seat
- eddy flow
- hole
- spray
- chamber
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000000889 atomisation Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 8
- 239000004202 carbamide Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
Abstract
The present invention provides a kind of nozzle of the valve seat with eddy flow slot, including guide pipe, spool, electromagnetic coil, valve seat and jet orifice plate.The valve seat central part has an overcurrent chamber, and the bottom of the valve seat is equipped with multiple eddy flow slots, and the overcurrent chamber is connected to eddy flow slot, and the jet orifice plate is equipped with spray-hole, and the spray-hole and eddy flow slot correspond.Spool of the present invention can move back and forth under the action of electromagnetic coil magnetic force, unlatching and closing between spool and valve seat be realized, to control the flow of fluid；The eddy flow slot of seat bottom portion forms turbulent eddy flow when flowing liquid, so as to improve liquid atomizing effect, improve tail gas transformation efficiency, spray-hole can play the role of metering.Atomization structure of the invention is simple, and realization easy to process can effectively reduce cost.
Description
Technical field
The invention belongs to technical field of internal combustion engines, and in particular to a kind of nozzle of the valve seat with eddy flow slot.
Background technique
As the discharge standard of internal-combustion engines vehicle is increasingly stringenter, have to reduce oxynitrides etc. in engine exhaust
Evil substance, current line in the industry frequently with post-processing technology be selective catalytic reduction (SCR) technology, urea is sprayed into exhaust
Solution, urea liquid generate ammonia after hydrolyzing, and chemically react with oxynitrides etc., produce nitrogen and water, in turn
Reduce the concentration of harmful substance.Urea liquid is taken in exhaust gas by urea nozzle.The urea for needing urea nozzle to spray is molten
Liquid atomization quality is preferable, and the ammonia decomposited in urea liquid and nitrogen oxides is enable adequately to be reacted, and improves conversion effect
Rate reduces the content of harmful substance in tail gas.
For in the valve CN103732907B of flowing, propose a kind of valve of fluid for flowing, especially metering valve or
Injection valve is closed the valve body of valve chamber with one, has a valve opening on the valve seat, has one to fill below valve seat with eddy flow
The injection porose disc set.The shape for wherein spraying porose disc is more complicated, and cost of manufacture is higher, and the precision of dip hatch is difficult to ensure, fixed
Position is difficult, and processing charges is higher.
In addition, current some nozzles, there are at high cost, atomizing effect is bad, it is easy blocking, is failed the disadvantages of more, this hair
It is bright to can solve these problems present on current market, it can be very good to improve nozzle atomization quality, reduce cost, improve injection
Precision.
Summary of the invention
Against the above technical problems, the present invention provides a kind of nozzle of the valve seat with eddy flow slot, including guide pipe, spool, valve
Seat, electromagnetic coil and jet orifice plate, the guide pipe include an inner hole up and down, and the spool, valve seat, jet orifice plate are successively pacified
On central axes loaded on guiding pipe orifice and a solution flow channel is collectively formed, circumferential being distributed in of the electromagnetic coil is led
To tube outer surface, under acting under the electromagnetic force that electromagnetic coil generates, the spool is back and forth transported along the central axes of guiding pipe orifice
Dynamic, in the case where non-electromagnetic-force, the spool is abutted against with valve seat, forms mechanical seal, and the solution flow channel will close
It closes, solution can not flow into jet orifice plate, and the valve seat central part has an overcurrent chamber, and the bottom of the valve seat is equipped with multiple eddy flows
Slot, the overcurrent chamber are connected to eddy flow slot, and the jet orifice plate is equipped with spray-hole, and the spray-hole and eddy flow slot correspond,
Liquid flows into eddy flow slot through overcurrent chamber, sprays after forming turbulent eddy flow when eddy flow slot from spray-hole.
Further, the eddy flow slot includes swirl channel and vortex chamber, and the swirl channel is by two straight lines or two
The fluid channel of curve composition, arrival end are connected to overcurrent chamber, and outlet end is connected to vortex chamber, and the width of the swirl channel is less than
The diameter or width of vortex chamber, and the swirl channel and vortex chamber are tangent on one side, in the vortex chamber center line and spray-hole
Axis is overlapped or is located near spray-hole central axes, and the diameter of the spray-hole is less than vortex chamber.
Further, it is set on the seat bottom portion there are two positioning convex platform, two positioning convex platforms include positioning side in two
Edge, the jet orifice plate include that edge is positioned outside two, and the jet orifice plate is installed between two positioning convex platforms, and side is positioned outside two
Edge is bonded with positioning edge in two respectively.
Optionally, the seat bottom portion is equipped with multiple positioning pins or location hole, and the jet orifice plate upper surface is equipped with multiple
Location hole or positioning pin, the positioning pin or location hole on the valve seat and the location hole in jet orifice plate or positioning pin correspond.
Further, the spool includes hollow valve rod and the sealed steel ball being distributed on valve rod, and the valve seat includes
There are a fluid collection chamber in one conical surface matched with the sealed steel ball, the conical surface top, have an overcurrent chamber below the conical surface,
When the sealed steel ball is separated with the conical surface, solution is successively flowed into eddy flow slot and from spray-hole through fluid collection chamber, the conical surface, overcurrent chamber
It sprays；When the sealed steel ball is abutted with the conical surface, solution can not flow into overcurrent chamber.
The utility model has the advantages that setting of the present invention by electromagnetic coil, only need to just can control liquid to electromagnetic coil input signal
The size of flow and the open and close of flow；By the way that eddy flow slot is arranged on seat bottom portion, punching can be effectively reduced and open
The difficulty of slot effectively holds the precision in hole and slot；Jet orifice plate structure is simple, and the dip hatch on plate is more readily processed, and can be big
The big machining accuracy for improving hole, improves liquid atomizing effect, improves tail gas transformation efficiency, while being greatly reduced production
Cost；By the setting of positioning convex platform or location hole and positioning pin, jet orifice plate installation can be convenient, while ensuring to install accurate jail
Gu.
Detailed description of the invention
Fig. 1 is the sectional view of porous urea nozzle of the present invention.
Fig. 2 is the stereoscopic schematic diagram of valve seat of the present invention.
Fig. 3 is the schematic diagram that fluid flows in valve seat and jet orifice plate.
Fig. 4 is bottom and jet orifice plate connecting portion and the detailed view of positioning of valve seat.
In attached drawing: 1, guide pipe, 5, spool, 52, sealed steel ball, 7, valve seat, 71, positioning convex platform, 712, interior positioning edge,
73, bottom, 701, the conical surface, 702, fluid collection chamber, 8, jet orifice plate, 81, upper surface, 801, spray-hole, 802, outer positioning edge, 723,
Swirl channel, 724, vortex chamber, 9, overcurrent chamber.
Specific embodiment
The present invention will now be described in further detail with reference to the accompanying drawings and the accompanying drawings, but embodiments of the present invention
It is without being limited thereto.
As shown in Figure 1, a kind of nozzle of valve seat with eddy flow slot, including guide pipe 1, electromagnetic coil, spool 5, valve seat 7 and spray
Orifice plate 8, the guide pipe 1 are formed by the pipe of uniform wall thickness, and 1 inner hole of guide pipe can be the through-hole of same diameter, can also
Ladder hole centered on the same axis.The electromagnetic coil circumferential direction is distributed in 1 outer surface of guide pipe, the spool
5 can move back and forth under electromagnetic coil electromagnetic force.The valve seat 7 includes a cone matched with the sealed steel ball 52
Face 701, the conical surface 701 and the sealed steel ball 52 in spool 5 of the valve seat 7, constitutes mechanical seal, spool 5 moves back and forth certainly
Fluid is determined whether to flow out and the size of flow, has had a fluid collection chamber 702 above the conical surface 701, have below the conical surface 701
One overcurrent chamber 9, the jet orifice plate 8 are located at 7 lower section of valve seat, and as shown in Figure 3, Figure 4, the bottom 73 of valve seat 7 is equipped with 3 eddy flows
Slot, eddy flow slot include swirl channel 723 and vortex chamber 724, and the swirl channel 723 can be parallel or not parallel by two
The fluid channel of rectilinear(-al), or the fluid channel being made of two sections of circular arcs or two curves, 3 swirl channels 723
Arrival end is overlapped and connection overcurrent chamber 9, outlet end are respectively communicated with different vortex chambers 724, and the width of the swirl channel 723 is small
In the diameter or width of vortex chamber 724, and it is tangent on one side with vortex chamber 724, facilitate liquid to enter vortex chamber from swirl channel 723
Turbulent flow is formed when 724,724 center line of vortex chamber is overlapped with 801 central axes of spray-hole or is located at 801 central axes of spray-hole
Near, it is ensured that spray-hole 801 and vortex chamber 724 have lap, and the diameter of the spray-hole 801 is less than vortex chamber 724, increases
The pressure of injection, fluid flow through swirl channel 723 from overcurrent chamber 9 and enter vortex chamber 724, turbulent flow are formed in vortex chamber 724, most
It is sprayed afterwards from spray-hole 801, spray-hole 801 plays a part of to measure fluid.
As shown in figure 4, the jet orifice plate 8 includes two kinds of positioning methods with valve seat 7, the first is 7 bottom 73 of valve seat
On set there are two positioning convex platform 71, two positioning convex platforms 71 include that edge 712 is positioned in two, in two positioning edge 712 it
Between form a grasping part, the jet orifice plate 8 is installed in grasping part, the jet orifice plate 8 include two outside position edges
802, two position edge 802 outside and are bonded respectively with positioning edge 712 in two；Second is to set on 7 bottom 73 of valve seat
There are multiple positioning pins, 8 upper surface 81 of jet orifice plate is equipped with multiple location holes, and the two corresponds, and passes through the cooperation of pin and hole
Jet orifice plate 8 and valve seat 7 is fixed, and similarly valve seat 7 is equipped with location hole, and jet orifice plate 8 is equipped with positioning pin can also be with.Location hole
It can be through-hole or blind hole, in addition the position of positioning pin or location hole is both needed to avoid eddy flow slot and spray-hole 801.
In the specific implementation process, spool 5 and valve seat 7 are encased in guide pipe 1, are adjusted between spool 5 and valve seat 7
Gap, so that spool 5 under the action of electromagnetic force can be according to set control model when electromagnetic coil is powered
It moves back and forth.Fixation between valve seat 7 and guide pipe 1 can be Laser Welding, and guarantee the leakproofness of weld.Jet orifice plate
8 are encased in the bottom of guide pipe 1, and clearance fit between the outer circle and guide pipe 1 of jet orifice plate 8 is led with facilitating jet orifice plate 8 to be encased in
Into pipe 1.The upper surface 81 of jet orifice plate 8 is fitted closely with the bottom 73 of valve seat 7, to facilitate jet orifice plate 8 with circumference fillet welding or
The form connection of weldering is penetrated, and guarantees the leakproofness of weld.Finally, it is packed into electromagnetic coil and O-ring etc., entire nozzle assembly
It completes.
In the specific implementation process, it is powered to electromagnetic coil, and inputs certain signal to electromagnetic wire according to system requirements
Circle, spool 5 can be moved back and forth according to the signal of input, the sealing cone 701 of the sealed steel ball 52 of control valve core 5 and valve seat 7 it
Between unlatch and close, to control the flow of fluid.Fluid enters from guide pipe 1, and the valve rod outflow in enters valve seat
In fluid collection chamber 702 in 7.When the sealed steel ball 52 of spool 5 leaves the conical surface 701 contacted with valve seat 7, fluid is from fluid collection chamber
It is flowed into 702 in overcurrent chamber 9, is cut into vortex chamber 724 through swirl channel 723, form turbulent fluid from spray-hole 801
It sprays.When the sealed steel ball 52 of spool 5 contacts to form mechanical seal with valve seat 7, liquid must not be flowed into overcurrent chamber 9.
Claims (5)
1. a kind of nozzle of valve seat with eddy flow slot, including guide pipe (1), spool (5), valve seat (7), jet orifice plate (8) and electromagnetic wire
Circle, the guide pipe (1) include an inner hole up and down, and the spool (5), valve seat (7), jet orifice plate (8) are successively installed on
On the central axes of guide pipe (1) inner hole and a solution flow channel is collectively formed, circumferential being distributed in of the electromagnetic coil is led
To pipe (1) outer surface, under being acted under the electromagnetic force that electromagnetic coil generates, axis of the spool (5) along guide pipe (1) inner hole
Line moves back and forth, and in the case where non-electromagnetic-force, the spool (5) abuts against with valve seat (7), forms mechanical seal, described molten
Liquid flow channel will close, and solution can not flow into jet orifice plate (8), which is characterized in that valve seat (7) central part has an overcurrent
The bottom (73) of chamber (9), the valve seat (7) is equipped with multiple eddy flow slots, and the overcurrent chamber (9) is connected to eddy flow slot, the spray
Orifice plate (8) is equipped with spray-hole (801), and the spray-hole (801) and eddy flow slot correspond, and liquid is flowed into through overcurrent chamber (9)
Eddy flow slot sprays after forming turbulent eddy flow when eddy flow slot from spray-hole (801).
2. nozzle of a kind of valve seat with eddy flow slot according to claim 1, which is characterized in that the eddy flow slot includes eddy flow
Channel (723) and vortex chamber (724), the fluid channel that the swirl channel (723) is made of two straight lines or two curves,
Arrival end is connected to overcurrent chamber (9), and outlet end is connected to vortex chamber (724), and the width of the swirl channel (723) is less than vortex chamber
(724) diameter or width, and the swirl channel (723) and vortex chamber (724) are tangent on one side, in the vortex chamber (724)
Heart line is overlapped with spray-hole (801) central axes or is located near spray-hole (801) central axes, the spray-hole (801) it is straight
Diameter is less than vortex chamber (724).
3. nozzle of a kind of valve seat with eddy flow slot according to claim 2, which is characterized in that valve seat (7) bottom
(73) it is set on there are two positioning convex platform (71), two positioning convex platforms (71) include positioning edge (712) in two, the jet orifice plate
It (8) include positioning edge (802) outside two, the jet orifice plate (8) is installed between two positioning convex platforms (71), positions outside two
Edge (802) is bonded with positioning edge (712) in two respectively.
4. nozzle of a kind of valve seat with eddy flow slot according to claim 2, which is characterized in that valve seat (7) bottom
(73) it is equipped with multiple positioning pins or location hole, jet orifice plate (8) upper surface (81) is equipped with multiple location holes or positioning pin, institute
It states the positioning pin on valve seat (7) or the location hole on location hole and jet orifice plate (8) or positioning pin corresponds.
5. nozzle of a kind of valve seat with eddy flow slot according to claim 3 or 4, which is characterized in that the spool (5) includes
Hollow valve rod and the sealed steel ball (52) being distributed on valve rod, the valve seat (7) include one and the sealed steel ball (52) phase
The conical surface (701) of cooperation, the conical surface (701) top have a fluid collection chamber (702), have an overcurrent below the conical surface (701)
Chamber (9), when the sealed steel ball (52) is separated with the conical surface (701), solution is successively through fluid collection chamber (702), the conical surface (701), mistake
Chamber (9) are flowed to flow into eddy flow slot and spray from spray-hole (801)；It is molten when the sealed steel ball (52) is abutted with the conical surface (701)
Liquid can not flow into overcurrent chamber (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787455.5A CN110359987A (en) | 2019-08-26 | 2019-08-26 | A kind of nozzle of the valve seat with eddy flow slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787455.5A CN110359987A (en) | 2019-08-26 | 2019-08-26 | A kind of nozzle of the valve seat with eddy flow slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359987A true CN110359987A (en) | 2019-10-22 |
Family
ID=68225375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787455.5A Pending CN110359987A (en) | 2019-08-26 | 2019-08-26 | A kind of nozzle of the valve seat with eddy flow slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570165A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | Disinfection spraying pressing pump device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046518A (en) * | 2005-08-09 | 2007-02-22 | Mitsubishi Electric Corp | Fuel injection valve |
| 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 |
| CN202850943U (en) * | 2012-07-02 | 2013-04-03 | 中国石油集团西部钻探工程有限公司 | Anti-rotation throttle valve pore plate |
| CN103244323A (en) * | 2012-02-14 | 2013-08-14 | 日立汽车系统株式会社 | Fuel injection valve |
| CN103732907A (en) * | 2011-08-18 | 2014-04-16 | 罗伯特·博世有限公司 | Valve for a flowing fluid |
| CN106948909A (en) * | 2016-12-15 | 2017-07-14 | 中国第汽车股份有限公司 | A kind of porous extruding swirl injection valve |
| CN109162850A (en) * | 2018-10-10 | 2019-01-08 | 浙江巴腾动力系统有限公司 | A kind of atomizer |
| CN208900167U (en) * | 2018-09-27 | 2019-05-24 | 昆山瑞泽汽车部件有限公司 | A kind of porous urea nozzle and its atomization structure |
| CN213331230U (en) * | 2019-08-26 | 2021-06-01 | 昆山瑞泽汽车部件有限公司 | Nozzle with swirl groove on valve seat |
-
2019
- 2019-08-26 CN CN201910787455.5A patent/CN110359987A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046518A (en) * | 2005-08-09 | 2007-02-22 | Mitsubishi Electric Corp | Fuel injection valve |
| 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 |
| CN103732907A (en) * | 2011-08-18 | 2014-04-16 | 罗伯特·博世有限公司 | Valve for a flowing fluid |
| CN103244323A (en) * | 2012-02-14 | 2013-08-14 | 日立汽车系统株式会社 | Fuel injection valve |
| CN202850943U (en) * | 2012-07-02 | 2013-04-03 | 中国石油集团西部钻探工程有限公司 | Anti-rotation throttle valve pore plate |
| CN106948909A (en) * | 2016-12-15 | 2017-07-14 | 中国第汽车股份有限公司 | A kind of porous extruding swirl injection valve |
| CN208900167U (en) * | 2018-09-27 | 2019-05-24 | 昆山瑞泽汽车部件有限公司 | A kind of porous urea nozzle and its atomization structure |
| CN109162850A (en) * | 2018-10-10 | 2019-01-08 | 浙江巴腾动力系统有限公司 | A kind of atomizer |
| CN213331230U (en) * | 2019-08-26 | 2021-06-01 | 昆山瑞泽汽车部件有限公司 | Nozzle with swirl groove on valve seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570165A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | Disinfection spraying pressing pump device |
| CN112570165B (en) * | 2020-12-23 | 2024-01-23 | 广东美捷时控股股份有限公司 | Sterilizing spray pressing pump device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6839796B2 (en) | Fuel injection device | |
| CN208900167U (en) | A kind of porous urea nozzle and its atomization structure | |
| CN106246303B (en) | Tail-gas after treatment apparatus | |
| CN206129367U (en) | Exhaust aftertreatment device | |
| US20140001288A1 (en) | Injection valve | |
| CN102588052A (en) | SCR (selective catalyst reduction) jetting system | |
| CN110359987A (en) | A kind of nozzle of the valve seat with eddy flow slot | |
| WO2022205862A1 (en) | Low-hydraulic-pressure swirl injector | |
| US20110225952A1 (en) | Exhaust gas purification configuration and method for exhaust gas purification using a reactant | |
| WO2022247098A1 (en) | Two-stage rotational flow urea ejector | |
| CN213331230U (en) | Nozzle with swirl groove on valve seat | |
| CN103256106A (en) | SCR (selective catalytic reduction) injection system without pneumatic assistance | |
| CN110953044A (en) | Porous urea nozzle and atomization structure thereof | |
| CN202578857U (en) | Selective catalyst reduction (SCR) injection system | |
| KR20110113731A (en) | Nozzle trumpet | |
| CN201982159U (en) | Gas-liquid mixing device of urea metering pump of SCR (selective catalyst reaction) system | |
| CN106121783A (en) | A kind of air mixing atomizing nozzle of SCR | |
| CN108150255B (en) | Treating fluid mixing device for vehicle tail gas treatment | |
| CN206290310U (en) | Split type urea measuring jet structure | |
| US11585253B2 (en) | Converging liquid reductant injector nozzle in selective catalytic reduction systems | |
| CN109707491A (en) | The mixer of spraying system | |
| CN216043964U (en) | Valve seat nozzle with swirl groove | |
| CN106437968B (en) | Integrated wave eddy flow urea mixing device | |
| CN206035606U (en) | Integral urea measurement nozzle structure | |
| CN105332768B (en) | A kind of engine exhaust post-processing swirl nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |