CN103775175A - Stable silicon controlled rectifier (SCR) urea injector easy to control - Google Patents
Stable silicon controlled rectifier (SCR) urea injector easy to control Download PDFInfo
- Publication number
- CN103775175A CN103775175A CN201210405938.2A CN201210405938A CN103775175A CN 103775175 A CN103775175 A CN 103775175A CN 201210405938 A CN201210405938 A CN 201210405938A CN 103775175 A CN103775175 A CN 103775175A
- Authority
- CN
- China
- Prior art keywords
- valve seat
- hole
- armature
- magnetic head
- spring
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000004202 carbamide Substances 0.000 title claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052710 silicon Inorganic materials 0.000 title abstract 2
- 239000010703 silicon Substances 0.000 title abstract 2
- 125000006850 spacer group Chemical group 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000000306 component Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a diesel engine exhaust post processing device, in particular to a stable silicon controlled rectifier (SCR) urea injector easy to control. The injector comprises a valve seat couple, an electromagnetic valve part, a spacer ring, a spring, a spring seat, a limit pin and a connection device. The valve seat couple comprises a valve seat and a valve core assembly which are in sliding fit. The valve core assembly comprises a valve core and an armature. One end of the valve core is inserted into a middle hole of the valve seat, and the other end stretches out of the valve seat to be connected with the armature. The spacer ring is sleeved on the valve core and located between the armature and the valve seat, one end of the spacer ring is in abutting connection with the end face of the valve seat, a countersink is formed in the other end face, and the armature is contained in the countersink. One end of the electromagnetic valve part is a wiring end, a center hole I is formed in the other end in the axial direction, the limit pin and the spring seat and the spring which are sleeved on the limit pin are contained in the center hole I, and the limit pin is higher than the end face of the electromagnetic valve part. One end of the valve seat couple with the armature is connected with the other end of the electromagnetic valve part through the connection device, and the other end of the spacer ring is in abutting connection with the other end face of the electromagnetic valve couple. The urea injector is sufficient in electromagnetic force and good in spraying effect and saves cost.
Description
Technical field
The present invention relates to the equipment of diesel exhaust aftertreatment, the SCR urea-spray device that specifically a kind of easy control is stable.
Background technique
Meet state IV emission standard needs for diesel engine, selective catalytic reduction system operating SCR (Selective Catalytic Reduction) technology is more suitable for China market development need, it is advantageous that without body is changed, the automatically controlled bare machine of state III adds that SCR technology can realize state IV emission standard; Engine Durability is good, and fuel economy is good, low to fuel oil and machine oil quality requirements, stops up risk without catalyst converter, and after state IV, technology upgrading continuity is better, and maintenance cost is low.But in like product, still there is up to now the problems such as electromagnetic force deficiency, spray effect are not good, cost waste.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide the stable SCR urea-spray device of a kind of easy control.This is the stable SCR urea-spray device electromagnetic force abundance of control easily, and spray effect is good, saves cost.
To achieve these goals, the present invention is by the following technical solutions:
The SCR urea-spray device that a kind of easy control is stable, comprise valve seat couple, electromagnetic valve components, spacer ring, spring, spring seat, position limit pin, connection set, wherein valve seat couple comprises the valve seat and the mangetic core assembly that are slidably matched, mangetic core assembly comprises spool and armature, wherein one end of spool is inserted in the mesopore of valve seat, the other end passes valve seat and is connected with armature, described spacer ring is sheathed on spool and between armature and valve seat, one end of spacer ring is connected to the end face of valve seat, other end is provided with counterbore, and described armature is placed in this counterbore; One end of described electromagnetic valve coupling is terminal, and the other end is provided with center hole I vertically, is equipped with position limit pin and sheathed spring seat and spring on it successively, position limit pin in this center hole I) higher than the end face of electromagnetic valve components; Described valve seat couple is provided with one end of armature and the other end of electromagnetic valve components is connected by connection set, the low other end that is connected to electromagnetic valve coupling of the other end of described spacer ring, described armature under the effect of electromagnetic force or spring force in the counterbore of spacer ring along spool) axial reciprocating move and by position limit pin axial limiting.
The ejection end of described valve seat is provided with the radial direction through hole running through with mesopore, the end of the ejection end of valve seat is provided with spray-hole, when sparger sprays, urea liquid enters after valve seat couple by described radial direction through hole, sprayed by spray-hole, when sparger stops spraying, urea liquid is back to urea box by described radial direction through hole.
Described armature is circle, is also along the circumferential direction evenly equipped with multiple through holes, chamfers in the one side limit that armature is connected with spool.
Electromagnetic valve components comprises magnetic head, cover, cover and core assembly absolutely, and wherein an end face of magnetic head is provided with center hole II, and the bottom of this center hole II is provided with two through hole III for threading, described magnetic core assembly comprises magnetic core, coil rack, coil, lead-in wire and terminal screw, wherein an end face of magnetic core is provided with annular groove, and be provided with described center hole I along axis, the other end of magnetic core is provided with the waist-shaped hole corresponding with through hole III on magnetic head, the bottom of this waist-shaped hole is provided with the through hole IV being communicated with annular groove, coil is connected with lead-in wire, and be fixed on coil rack, coil rack is positioned in the annular groove on magnetic core end face, and be injected into one by injection molding composition, described terminal screw is two, passing through in II and waist-shaped hole on magnetic head and magnetic core inserted in one end of each terminal screw, and with magnetic core interference fit, in the described through hole III being sheathed on absolutely on magnetic head, and be sheathed on terminal screw, cover and magnetic head interference fit absolutely, the end, one end of each terminal screw is provided with blind hole vertically, described lead-in wire is fixed in this blind hole through the through hole IV on magnetic core, the other end of each terminal screw is terminal, the nut that cover is threaded connection on two terminal screws is pressed on the other end of magnetic head.
Described two terminal screws are symmetrical arranged, and are arranged with O RunddichtringO II on each terminal screw, and O RunddichtringO II is between the counterbore and cover of magnetic head end.
One end of described spring is connected to spring seat, and the other end is connected to armature, the center hole I interference fit of described position limit pin and described magnetic core.
Described connection set comprises flange and locking nut, flange is sheathed in valve seat couple, also by the shaft shoulder axially locating of valve seat, locking nut is sheathed in electromagnetic valve components, also by the other end seam axially locating of magnetic head, locking nut is threaded with flange, and described spacer ring, armature and electromagnetic valve components are placed in the space that locking nut and flange form.Between described locking nut and magnetic head, seal by O RunddichtringO III.
Between the end of described valve seat and spool, seal by O seal ring I.
Advantage of the present invention and beneficial effect are:
1. the present invention, by improving the Shooting Technique of magnetic core component and the material of magnetic core, has guaranteed conformity and the stability of electromagnetic valve work, makes magnetic core component work more smooth and easy.
2. the present invention, by the area relationship of calculating and proportioning armature and magnetic core, has guaranteed conformity and stability that mangetic core assembly is worked under dither.
3. the present invention, by improving the material of mangetic core assembly and valve seat, has reduced the danger that urea liquid corrodes part, and the reciprocating wearing and tearing of part of simultaneously having slowed down have increased working life of ejecting system greatly.
4. the present invention is by the reciprocating accurate control to mangetic core assembly and valve seat, and while both preventing low temperature, urea crystals is stopped up spray orifice, has guaranteed again the conformity of each urea injecting quantity.
5. the present invention passes through grading control part, precisely the stroke of control valve core assembly;
6. in urea-spray device of the present invention, by the to-and-fro motion of mangetic core assembly and valve seat, urea solution sprayed and is back to urea box, separately not establishing return-flow structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of armature in the present invention;
Fig. 3 is the left view of Fig. 2;
Wherein: 1 is valve seat couple, 2 is O RunddichtringO I, and 3 is flange, and 4 is spacer ring, 5 is locking nut, and 6 is spring, and 7 is spring seat, and 8 is electromagnetic valve components, a1 is armature, and a2 is spool, and a3 is valve seat, and b1 is magnetic head, b2 is cover, and b3 is copper nut, and b4 overlaps absolutely, and b5 is O RunddichtringO II, b6 is O RunddichtringO III, and c1 is terminal screw, and c2 is lead-in wire, and c3 is coil rack, c4 is magnetic core, and c5 is coil, and c7 is position limit pin.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes valve seat couple 1, electromagnetic valve components 8, spacer ring 4,, spring 6, spring seat 7, position limit pin c7, connection set, wherein one end of valve seat couple 1 is ejection end, the other end is provided with spacer ring 4.One end of electromagnetic valve components 8 is terminal, and the other end is provided with center hole I, is equipped with position limit pin c7 and sheathed spring seat 7 and spring 6 on it in this center hole I; One end that described valve seat couple is provided with spacer ring 4 is connected by connection set with the other end of electromagnetic valve components 8.
Valve seat couple 1 comprises the valve seat a3 and the mangetic core assembly that are slidably matched, mangetic core assembly comprises spool a2 and armature a1, wherein spool a2 is that multidiameter shaft structure one end are the conical surface, and one end of spool a2 is inserted in the mesopore of valve seat a3, and the other end passes valve seat a3 and is connected to armature a1 by laser beam welding.The inside of valve seat a3 is shoulder hole structure, and internal spray end is taper seat surface and is provided with spray-hole, the conical surface formation effective sealing of the taper seat surface of valve seat a3 and spool a2 one end.The ejection end of valve seat a3 is provided with the radial direction through hole running through with center hole, and when sparger sprays, urea liquid enters after valve seat couple 1 by this radial direction through hole, sprays via spray-hole.When sparger stops spraying, urea liquid is back to urea box by this radial direction through hole.The afterbody of valve seat couple 1, is provided with O RunddichtringO I2 between valve seat a3 and spool a2, prevent that urea liquid from overflowing other part of corrosion from valve seat couple 1.
Spacer ring 4 is sheathed on spool a2 above and between armature a1 and valve seat a3, one end of spacer ring 4 is connected to the end face of valve seat a3, and the other end is connected to the end face of electromagnetic valve components 8.The other end that spacer ring 4 is connected to electromagnetic valve components 8 is provided with counterbore, and armature a1 is placed in this counterbore.
Electromagnetic valve components 8 comprises magnetic head b1, magnetic core assembly, overlaps b4 and cover b2 absolutely, and wherein an end face of magnetic head b1 is provided with center hole II, and the bottom of center hole II is arranged with two through hole III for threading.Magnetic core assembly comprises magnetic core c4, coil rack c3, coil c5, lead-in wire c2 and terminal screw c1, in the center hole II that magnetic core c4 interference fit is provided with in magnetic head b1.Magnetic core c4 upper along central axis be provided with center hole I, and an end face be provided with annular groove, the other end of magnetic core c4 is provided with two waist type grooves that two through hole III that are provided with magnetic head b1 are corresponding, the bottom of waist type groove is provided with the through hole IV being communicated with annular groove.Coil c5 and lead-in wire c2 weld and are fixed on coil rack c3 above, and coil rack c3 is put into the annular groove on magnetic core c4 and is injected into one by injection molding composition c6, and Shooting Technique is more reliable and more stable, thereby reaches best working state.Terminal screw c1 is two, one end of each terminal screw c1 insert in through hole III on magnetic head b1 and magnetic core c4 and waist-shaped hole and with magnetic core c4 interference fit.One end of each terminal screw c1 is equipped with blind hole, and lead-in wire c2 is fixed in the blind hole of terminal screw c1 through the through hole IV on magnetic core c4.The other end of two terminal screw c1 is terminal, overlaps absolutely in the through hole III that b4 is arranged at magnetic head b1, overlap absolutely b4 be sheathed on terminal screw c1 upper and with magnetic head b1 interference fit.Two terminal screw c1 are symmetrical arranged, and the nut b 3 that cover b2 is threaded connection on two terminal screw c1 is pressed on the other end of magnetic head b1, and the present embodiment nut b3 adopts copper nut.On each terminal screw c1, be arranged with O RunddichtringO IIb5, O RunddichtringO IIb5 is between the counterbore and cover b2 of magnetic head b1 end.
Described connection set comprises flange 3 and locking nut 5, wherein flange 3 is sheathed in valve seat couple 1, also by the shaft shoulder axially locating of valve seat a3, locking nut 5 is sheathed in electromagnetic valve components 8, also by the seam axially locating on the other end of magnetic head b1, locking nut 5 is threaded with flange 3, spacer ring 4, armature a 1 and electromagnetic valve components 8 are placed in the space that locking nut 5 and flange 3 form, between locking nut 5 and magnetic head b1 by O RunddichtringO IIIb6 sealing.In the center hole I of magnetic core c4, be equipped with position limit pin c7 and sheathed spring seat 7 and spring 6 thereon, one end of spring 6 is connected to spring seat 7, the other end is connected to armature a1, the center hole I interference fit of position limit pin c7 and magnetic core c4 higher than the end face of magnetic core c4, for the axial motion of limiting valve core assembly.The low other end that is connected to electromagnetic valve components 8 of the other end of spacer ring 4, armature a1 by the counterbore that acts on spacer ring 4 of electromagnetic force or spring force along spool a2 move axially and by position limit pin c7 axial limiting.By controlling the size and the classification dimensions of selecting suitable spacer ring 4 of position limit pin c7 higher than magnetic core c4 surface, to guarantee the movement travel of mangetic core assembly, thereby guarantee the conformity of spraying.Spring seat 7 is for adjusting the size of spring force, and spring 6 can make mangetic core assembly reset rapidly, has guaranteed that the speed of response of SCR urea-spray device is consistent.
As shown in Figure 2 and Figure 3, according to the performance need of product, coordinate the annular groove of magnetic core c4 to calculate the form structure of armature a1.Along the circumferential direction uniformly on armature a1 having multiple through holes, chamfers in the one side limit that armature a1 is connected with spool a2.Uniformly on the same circumference of the present embodiment on armature a1 offer four through holes, four through holes are mainly used in duplicate removal, and block magnetic circuit, reduce magnetic eddy current, increase speed of response.The shape of armature a1, area and along the circumferential direction uniform lead to the hole site coordinate with the annular groove on magnetic core c4 and form stable magnetic force loop.
Working principle of the present invention is:
After electromagnetic valve components 8 energisings, produce electromagnetic force absorption armature a1, armature a1 is the direction motion to Compress Spring 6 with movable valve plug a2, the taper seat surface that makes the conical surface of spool a2 one end depart from valve seat a3 inside, opens the spray-hole of valve seat a3 ejection end, and urea solution sprays by spray-hole; After electromagnetic valve components 8 power-off, electromagnetic force disappears, and mangetic core assembly rapidly to the spray-hole direction motion of closing valve seat a3, makes the conical surface of spool a2 one end and the sealing of the taper seat surface of valve seat a3 inside, thereby stops spraying urea solution under the elastic force effect of spring 6.To-and-fro motion between spool a2 and valve seat a3, can prevent low temperature time, urea crystals is stopped up spray orifice.
Claims (9)
1. easily control stable SCR urea-spray device for one kind, it is characterized in that: comprise valve seat couple (1), electromagnetic valve components (8), spacer ring (4), spring (6), spring seat (7), position limit pin (c7), connection set, wherein valve seat couple (1) comprises the valve seat (a3) and the mangetic core assembly that are slidably matched, mangetic core assembly comprises spool (a2) and armature (a1), wherein one end of spool (a2) is inserted in the mesopore of valve seat (a3), the other end passes valve seat (a3), and be connected with armature (a1), described spacer ring (4) is sheathed on spool (a2), and be positioned between armature (a1) and valve seat (a3), one end of spacer ring (4) is connected to the end face of valve seat (a3), other end is provided with counterbore, described armature (a1) is placed in this counterbore, one end of described electromagnetic valve coupling (8) is terminal, the other end is provided with center hole I vertically, in this center hole I, be equipped with position limit pin (c7) and sheathed spring seat (7) and spring (6) on it successively, position limit pin (c7) is higher than the end face of electromagnetic valve components (8), one end that described valve seat couple (1) is provided with armature (a1) is connected by connection set with the other end of electromagnetic valve components (8), the low other end that is connected to electromagnetic valve coupling (8) of the other end of described spacer ring (4), described armature (a1) moves and by position limit pin (c7) axial limiting along the axial reciprocating of spool (2) under the effect of electromagnetic force or spring force in the counterbore of spacer ring (4).
2. by the stable SCR urea-spray device of easy control claimed in claim 1, it is characterized in that: the ejection end of described valve seat (a3) is provided with the radial direction through hole running through with mesopore, the end of the ejection end of valve seat (a3) is provided with spray-hole, when sparger sprays, urea liquid enters after valve seat couple (1) by described radial direction through hole, sprayed by spray-hole, when sparger stops spraying, urea liquid is back to urea box by described radial direction through hole.
3. by the stable SCR urea-spray device of easy control claimed in claim 1, it is characterized in that: described armature (4) is circle, is also along the circumferential direction evenly equipped with multiple through holes, and armature (a1) is chamfered with the one side limit that spool (a2) is connected.
4. by the stable SCR urea-spray device of easy control claimed in claim 1, it is characterized in that: electromagnetic valve components (8) comprises magnetic head (b1), cover (b2), exhausted cover (b4) and core assembly, wherein an end face of magnetic head (b1) is provided with center hole II, and the bottom of this center hole II is provided with two through hole III for threading, described magnetic core assembly comprises magnetic core (c4), coil rack (c3), coil (c5), lead-in wire (c2) and terminal screw (c1), wherein an end face of magnetic core (c4) is provided with annular groove, and be provided with described center hole I along axis, the other end of magnetic core (c4) is provided with the waist-shaped hole corresponding with through hole III on magnetic head (b1), the bottom of this waist-shaped hole is provided with the through hole IV being communicated with annular groove, coil (c5) is connected with lead-in wire (c2), and be fixed on coil rack (c3), coil rack (c3) is positioned in the annular groove on magnetic core (c4) end face, and be injected into one by injection molding composition (6), described terminal screw (c1) is two, passing through in II and waist-shaped hole on magnetic head (b1) and magnetic core (c4) inserted in one end of each terminal screw (c1), and with magnetic core (c4) interference fit, described exhausted cover (b4) is located in the through hole III on magnetic head (b1), and be sheathed on terminal screw (c1), cover (b4) and magnetic head (b1) interference fit absolutely, the end, one end of each terminal screw (c1) is provided with blind hole vertically, described lead-in wire (c2) is fixed in this blind hole through the through hole IV on magnetic core (c4), the other end of each terminal screw (c1) is terminal, the nut (b3) that cover (b2) is threaded connection on two terminal screws (c1) is pressed on the other end of magnetic head (b1).
5. by the stable SCR urea-spray device of easy control claimed in claim 4, it is characterized in that: described two terminal screws (c1) are symmetrical arranged, on each terminal screw (c1), be arranged with O RunddichtringO II (b5), O RunddichtringO II (b5) is positioned between the counterbore and cover (b2) of magnetic head (b1) end.
6. by the stable SCR urea-spray device of easy control claimed in claim 4, it is characterized in that: one end of described spring (6) is connected to spring seat (7), the other end is connected to armature (a1), the center hole I interference fit of described position limit pin (c7) and described magnetic core (c4).
7. by the stable SCR urea-spray device of easy control claimed in claim 1, it is characterized in that: described connection set comprises flange (3) and locking nut (5), flange (3) is sheathed in valve seat couple (1), and by the shaft shoulder axially locating of valve seat (a3), locking nut (5) is sheathed in electromagnetic valve components (8), and by the other end seam axially locating of magnetic head (b1), locking nut (5) is threaded with flange (3), described spacer ring (4), armature (a1) and electromagnetic valve components (8) are placed in the space that locking nut (5) and flange (3) form.
8. by the stable SCR urea-spray device of easy control claimed in claim 7, it is characterized in that: between described locking nut (5) and magnetic head (b1), seal by O RunddichtringO III (b6).
9. described in, by the stable SCR urea-spray device of easy control claimed in claim 1, it is characterized in that: between the end of described valve seat (a3) and spool (a2), seal by O seal ring I (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405938.2A CN103775175B (en) | 2012-10-22 | 2012-10-22 | The SCR urea injector that a kind of easy control is stable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405938.2A CN103775175B (en) | 2012-10-22 | 2012-10-22 | The SCR urea injector that a kind of easy control is stable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775175A true CN103775175A (en) | 2014-05-07 |
| CN103775175B CN103775175B (en) | 2016-01-27 |
Family
ID=50567853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210405938.2A Active CN103775175B (en) | 2012-10-22 | 2012-10-22 | The SCR urea injector that a kind of easy control is stable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775175B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109844275A (en) * | 2016-10-18 | 2019-06-04 | 德尔福知识产权有限公司 | SCR batcher |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463748A (en) * | 2009-01-14 | 2009-06-24 | 无锡市凯龙汽车设备制造有限公司 | Carbamide injection valve |
| CN101496997A (en) * | 2009-01-14 | 2009-08-05 | 管雷全 | Urea measuring and injecting device |
| US20100313553A1 (en) * | 2009-06-11 | 2010-12-16 | Stanadyne Corporation | Integrated pump and injector for exhaust after treatment |
| CN202900379U (en) * | 2012-10-22 | 2013-04-24 | 辽宁新风企业集团有限公司 | Easy-control stable selective catalytic reduction (SCR) carbamide ejector |
-
2012
- 2012-10-22 CN CN201210405938.2A patent/CN103775175B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463748A (en) * | 2009-01-14 | 2009-06-24 | 无锡市凯龙汽车设备制造有限公司 | Carbamide injection valve |
| CN101496997A (en) * | 2009-01-14 | 2009-08-05 | 管雷全 | Urea measuring and injecting device |
| US20100313553A1 (en) * | 2009-06-11 | 2010-12-16 | Stanadyne Corporation | Integrated pump and injector for exhaust after treatment |
| CN202900379U (en) * | 2012-10-22 | 2013-04-24 | 辽宁新风企业集团有限公司 | Easy-control stable selective catalytic reduction (SCR) carbamide ejector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109844275A (en) * | 2016-10-18 | 2019-06-04 | 德尔福知识产权有限公司 | SCR batcher |
| US10954837B2 (en) | 2016-10-18 | 2021-03-23 | Delphi Technologies Ip Limited | SCR doser |
| CN109844275B (en) * | 2016-10-18 | 2021-05-14 | 德尔福知识产权有限公司 | SCR batcher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103775175B (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103334859A (en) | Oil atomizer and manufacturing method thereof | |
| CN104314725A (en) | Middle hole pressure storage static leakage-free oil sprayer | |
| CN204200442U (en) | A kind of mesopore pressure accumulation is without static leakage oil sprayer | |
| CN104033300A (en) | Fuel injection valve | |
| CN202705416U (en) | Crankshaft connecting rod journal quenching device | |
| CN102434346A (en) | Low oil-return type electromagnetic control oil sprayer | |
| CN202900379U (en) | Easy-control stable selective catalytic reduction (SCR) carbamide ejector | |
| CN104454274A (en) | Oil sprayer | |
| CN103775175B (en) | The SCR urea injector that a kind of easy control is stable | |
| CN107100771B (en) | Micro-injection common rail oil sprayer | |
| CN104358644A (en) | High-speed electromagnetic valve for oil sprayer | |
| CN205190092U (en) | Hydraulic energy storage formula sprayer for single cylinder diesel | |
| CN203867753U (en) | Oil sprayer | |
| EP3067550B1 (en) | Fuel injection valve | |
| CN103233838B (en) | Electronic control gasoline injector and manufacturing method thereof | |
| CN103047061A (en) | Controlled injection flat valve mechanism of electrical oil injector | |
| CN104358645A (en) | Electromagnetic assisted heating type GDI (Gasoline Direct Injector) tar injection device | |
| CN203285598U (en) | Proportional flow valve for common rail pump | |
| CN104929834A (en) | Synchronous double-valve electromagnetic control oil atomizer | |
| CN204827740U (en) | Synchronous bivalve electromagnetic control sprayer | |
| DE102015104107A1 (en) | ACTUATOR WITH INTEGRATED DRIVER | |
| CN107201972B (en) | Straight-through type axially-inlet external guide gas injection valve | |
| CN203476571U (en) | Buffering structure of high-speed solenoid valve of oil atomizer | |
| CN206268001U (en) | Dynamic iron core can spinning fuel metering valve | |
| CN205277662U (en) | Needle subassembly and armature of sprayer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160224 Granted publication date: 20160127 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160824 Granted publication date: 20160127 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20160824 Granted publication date: 20160127 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20180824 Granted publication date: 20160127 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181029 Address after: 111299 Chaoyang Street, Shoushan Town, Liaoyang County, Liaoyang, Liaoning, 99-5 Patentee after: Liaoyang Ju Feng Beijing Great Automotive Components Co.,Ltd. Address before: 111299 eastern section of Chaoyang Street, Shoushan Town, Liaoyang, Liaoyang, Liaoning Patentee before: LIAONING XINFENG ENTERPRISE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200330 Address after: 315400 room a812, No.2 Xingye Avenue, Ningbo Free Trade Zone, Zhejiang Province (no.d190 entrusted by Yongbao commercial secretary company) Patentee after: Ningbo ZhengChi Trade Co.,Ltd. Address before: 111299 Chaoyang Street, Shoushan Town, Liaoyang County, Liaoyang, Liaoning, 99-5 Patentee before: Liaoyang Ju Feng Beijing Great Automotive Components Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200730 Address after: 201615 room 211, building 21, No. 1158, Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai Patentee after: Shanghai Junfeng Electric Control Technology Co.,Ltd. Address before: 315400 room a812, No.2 Xingye Avenue, Ningbo Free Trade Zone, Zhejiang Province (no.d190 entrusted by Yongbao commercial secretary company) Patentee before: Ningbo ZhengChi Trade Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: 225500 No. 1, Shuguang Middle Road, Baimi Town, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: Junfeng electric control technology (Taizhou) Co.,Ltd. Address before: Room 211, building 21, 1158 Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai, 201615 Patentee before: Shanghai Junfeng Electric Control Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |