CN204804912U - No air pump water -cooling nozzle - Google Patents
No air pump water -cooling nozzle Download PDFInfo
- Publication number
- CN204804912U CN204804912U CN201520463580.8U CN201520463580U CN204804912U CN 204804912 U CN204804912 U CN 204804912U CN 201520463580 U CN201520463580 U CN 201520463580U CN 204804912 U CN204804912 U CN 204804912U
- Authority
- CN
- China
- Prior art keywords
- metering valve
- housing
- feed liquor
- pump water
- cooling 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.)
- Withdrawn - After Issue
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a no air pump water -cooling nozzle relates to treating motor vehicle exhaust gases technical field, including the casing be equipped with the metering valve in the casing the cooling chamber that encloses with the blanking cover is equipped with to the periphery of metering valve, utilizes it is right that the cooling chamber can be realized the high -efficient heat dissipation of metering valve, the head of metering valve is equipped with flexible cover, the metering valve is connected with the feed liquor and takes over, flexible cover with the elastic component between taking over, the feed liquor is equipped with, flexible cover with be equipped with the cushion chamber between the metering valve, through the cushion chamber can play steady voltage energy storage effect, ensures measuring accuracy, utilizes the elastic component can in time clear away the inside raffinate of metering valve simultaneously, avoids the metering valve by the frostbite.
Description
Technical field
The utility model relates to vehicle maintenance service SCR aftertreatment system technical field; particularly relate to a kind of injection unit for assisting without air on urea metering pump; it comprises the functors such as metering valve, cooling jacket, buffering device, has the heat radiation of metering valve high temperature, energy-storing pressure-stabilizing and freezing and expansion protective function.
Background technique
Along with the continuous lifting that people require quality of air environment, China has started to carry out strict control to the discharge amount of vehicle motor, and has formulated relatively strict standard, and this requirement for tail gas disposal technique is quite high.
Mainly adopt SCR technology to process at present in the world, its know-why is, under the condition of exhaust oxygen enrichment, injection reduction agent in exhaust, under the effect of SCR catalyst surface catalyst, optionally with NO
xthere is redox reaction, generate N
2and water vapor, thus reach reduction NO
xobject.In course of injection, prior art is divided into gas jet system and airless injection system, and airless injection system, due to compact structure, controls accurately, to receive pursuing of market.
Airless injection system is by injecting urea-spray unit by aqueous solution of urea, the nozzle of airless injection system is in actual SCR entrucking layout, atomization is affected for reducing the pressure loss, nozzle must be arranged on outlet pipe, and in running, due to mutually close with outlet pipe, its temperature can rise, carry out by cooling liquid the mode that cools although propose in prior art, because heat diffusion area is limited, cause radiating effect poor.
In addition, in course of injection, when change appears in emitted dose, the impact of pressure difference can cause measuring accuracy to decline, and cannot realize the timely compensation to pressure; Under cold conditions, the raffinate in metering valve can expand, and easy bursting by freezing nozzle and internal structure, cause shorten working life.
Therefore, how while improving radiating effect, promote measuring accuracy and product working life, become the utility model technical issues that need to address.
Model utility content
In order to solve the problems of the technologies described above, the utility model proposes a kind of air-free pump water-cooled nozzle, by arranging cooling chamber and the blanking cover of integrated form on housing, cooling chamber being arranged at the periphery of metering valve, by the circulation of cooling water, realize the quick cooling to metering valve; Utilize the effect of buffer cavity and elastic component, not only contribute to the front and back voltage stabilizing realizing metering valve, and contribute to clearing up raffinate, the safety of protection metering valve.
The technical solution of the utility model is as follows:
A kind of air-free pump water-cooled nozzle, comprise housing, at described housing built with metering valve, the tail end of described housing is provided with jetburner, be connected with the afterbody of described metering valve, be connected with feed liquor adapter on the top of described housing, be provided with feed liquor passageway in described feed liquor adapter, described feed liquor passageway connects with the head of described metering valve.
Be provided with cooling chamber and blanking cover on the housing, by utilizing described blanking cover, described cooling chamber is made to form sealing configuration on the housing, described cooling chamber is positioned at the periphery of described metering valve, be provided with into water channel and exhalant canal on the housing, described enter water channel and the oblique bottom stretching to described cooling chamber of described exhalant canal, and described in enter water channel mutually close with described exhalant canal, entering water channel described in cooling water passes through enters in described cooling chamber, flow out from described exhalant canal, when described metering valve is in the process of running, cooling water in described cooling chamber farthest can implement cooling to described metering valve.
In head and the feed liquor adapter joint of described metering valve, telescopic cover is enclosed within this joint and forms the buffer cavity of sealing configuration, namely described telescopic cover is set with at the head of described metering valve, because the head of described feed liquor passageway and described metering valve is connected, described telescopic cover is enclosed within the adapter of described feed liquor, can by described feed liquor adapter location, make the inner side of described telescopic cover simultaneously, the sidepiece that the top periphery of described metering valve and described feed liquor are taken over surrounds buffer cavity, described feed liquor adapter offers guide hole, described guide hole communicates with described buffer cavity, when aqueous solution of urea flows into described metering valve inside through described feed liquor passageway, part aqueous solution of urea flows in described buffer cavity by described guide hole, described buffer cavity is filled up, pressure reduction in order to ensure described discharge orifice and afterbody is stablized, cavity is provided with between the sidepiece of described telescopic cover and described feed liquor are taken over, elastic component is equipped with in inside, aqueous solution of urea in described buffer cavity can make described elastic component generation deformation, after the aqueous solution of urea discharge capacity in metering valve changes, pressure differences, aqueous solution of urea in described buffer cavity can outwards discharge, guarantee that described metering valve pressure reduction is stablized, described elastic component sets back simultaneously, in the process, by utilizing described elastic component, described buffer cavity can be stretched along described feed liquor adapter.
As the preferred technological scheme of one, annular or half-donut channels is offered in described housing, described passage is positioned at the periphery of described metering valve, described blanking cover is embedded in described passage, and seal mutually with described housing and described metering valve, be positioned at the periphery of the first half of described metering valve, all the other positions of described like this passage just form the cooling chamber of sealing configuration, and described cooling chamber is positioned at the periphery of described metering valve Lower Half.
As further preferred technological scheme, because described blanking cover is embedded in described passage, fix to carry out position to described blanking cover, and lift-off seal effect, described blanking cover is connected with described housing by inside and outside two-layer seal ring by the technical program.
As the preferred technological scheme of the second, described blanking cover is fixed on the bottom of described housing, the shower nozzle being positioned at described metering valve is peripheral, described passage is positioned at the periphery of the vertical upper of described blanking cover and the middle and lower part of described metering valve, shape ringwise or semicircular configuration, now the bottom surface of described passage is formed on the top of described blanking cover, makes the overall structure of described passage form the cooling chamber of sealing.
As further preferred technological scheme, described feed liquor adapter comprises body, and with the lid that described body integrally connects, described body offers feed pathway, and described lid and described housing are fastened; The Lower Half of described telescopic cover and the top of described metering valve socket-connect, the first half and described body socket-connect, the end of described body and the end face of described metering valve connect, make the aqueous solution of urea flowing through described feed pathway can enter to described metering valve inner, described buffer cavity is positioned at the periphery of described body, described guide hole is opened on described body, described guide hole makes the aqueous solution of urea flowing through feed pathway can enter in described buffer cavity, and described buffer cavity is outwards expanded along the direction of described body.
As preferred technological scheme, the top of described blanking cover is taken over contact with described telescopic cover, described feed liquor, for supporting described telescopic cover and the adapter of described feed liquor.
As preferred technological scheme, described blanking cover by the mode that utilizes welding wire to carry out welding or fastening piece, can connect with described housing, described blanking cover and described housing closely can be connected as a single entity, play seal action.
As preferred technological scheme, described telescopic cover is connected with described metering valve, described body respectively by seal ring, makes three's close proximity, can ensure that described buffer cavity is in sealing state.
As preferred technological scheme, described elastic component can be any one in spring, disc spring, bellows or elasticity leather bag.
As preferred technological scheme, described enter water channel and described exhalant canal be circumscribed with adapter, the angle of water channel or described exhalant canal and described metering valve is entered described in the angle of described adapter and described metering valve is less than, cooling water of annotating is conducive to by described adapter, simultaneously can not the overall volume of enlarged nozzle.
Beneficial effect: the utility model, by above technological scheme, has following technique effect:
1, the utility model by arranging blanking cover and cooling chamber on housing, cooling chamber is looped around the periphery of metering valve, can significantly heat radiation area, cooling water is utilized to flow in cooling chamber inner circumferential, the heat that metering valve produces can be taken away rapidly at short notice, improving heat radiation efficiency, avoids metering valve to reduce precision or reduction of service life because of overheated;
2, the utility model by arranging telescopic cover on metering valve, and form buffer cavity, at the outside sheathed elastic component of telescopic cover, buffer cavity is utilized to carry out energy storage pressure stabilizing, when metering valve pressure drop, buffer cavity can discharge the pressure of storage in time, guarantees that before and after metering valve, pressure reduction is stablized, and ensures measuring accuracy;
3, under low temperature situation, by utilizing elastic component to reset, effectively can discharge the aqueous solution of urea of metering valve internal residual, being conducive to the convolution space increasing raffinate freezing and expansion, avoiding metering valve frost bitten;
4, the air-free pump water-cooled nozzle that provides of the utility model, its level of integration is high, compact structure, and difficulty of processing is low, has stronger practicability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the plan structure schematic diagram of a kind of air-free pump water-cooled nozzle disclosed in the utility model embodiment 1;
Fig. 2 is a kind of sectional structure schematic diagram along A-A in Fig. 1;
Fig. 3 is the plan structure schematic diagram of a kind of air-free pump water-cooled nozzle disclosed in the utility model embodiment 2;
Fig. 4 is the another kind of sectional structure schematic diagram along B-B in Fig. 3;
Fig. 5 is the structure for amplifying schematic diagram at the C position in Fig. 2;
Fig. 6 is the structure for amplifying schematic diagram at the D position in Fig. 4.
Numeral and the corresponding part title represented by letter in figure:
1, housing; 2, metering valve; 3, blanking cover; 4, cooling chamber; 5, water channel is entered; 6, exhalant canal; 7, jetburner; 8, telescopic cover; 9, spring; 10, buffer cavity; 11, body; 12, lid; 13, feed liquor passageway; 14, seal ring; 15, guide hole; 16, screw; 17, position limit pin; 18, take over.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.
Embodiment 1
A kind of air-free pump water-cooled nozzle, as shown in Figure 2, and composition graphs 1, comprise housing 1, offer through hole, be equipped with metering valve 2 in described through hole at the center of described housing 1, one end of described through hole connects with the nozzle of described metering valve 2, forms jetburner 19.
Described housing 1 is provided with cooling chamber 4 and blanking cover 3, described blanking cover 3 and described cooling chamber 4 are surrounded on the periphery of described metering valve 2, specifically, annular pass is offered in described housing 1, described passage is positioned at the periphery of described metering valve 2, described blanking cover 3 is embedded in described passage, the first half of described passage can be carried out shutoff sealing by described blanking cover 3, like this, lower half portion of described passage forms the cooling chamber 4 of enclosed construction, with reference to Fig. 1, described housing 1 is provided with into Aquaporin-5 and exhalant canal 6, described enter Aquaporin-5 and the oblique bottom stretching to described cooling chamber 4 of described exhalant canal 6, because described cooling chamber 4 is loop configuration, by certain pressure, enter to inject a certain amount of cooling water in Aquaporin-5 described, after described cooling water enters cooling chamber 4, can along described cooling chamber 4 around nearly one week, flow out in described exhalant canal 6, flow according to the longest distance of cooling chamber 4 as much as possible in order to described cooling chamber 4 can be made, the present embodiment by described enter Aquaporin-5 mutually close with the bottom position of described exhalant canal 6, form Eight characters shape, the cooling water be conducive to entering described cooling chamber 4 forms leading role.
With reference to Fig. 2 and Fig. 5, described housing 1 is provided with feed liquor adapter 18, described feed liquor adapter 18 comprises body 11, described body 11 is connected with lid 12, the bottom surface of described lid 12 contacts with the top of described housing 1, the top of described blanking cover 3, be fastened by screw 16 and described housing 1, described body 11 is provided with feed liquor passageway 13, and described body 11 connects with the head of described metering valve 2.
Telescopic cover 8 is arranged with at the head of described metering valve 2 and the end of described body 11, namely the first half of described telescopic cover 8 and described body 11 socket-connect, be fastened by seal ring 14 and described body 11, the Lower Half of described telescopic cover 8 and the head of described metering valve 2 socket-connect, and are connected by seal ring 14; In the joint of described metering valve 2 with described body 11, described telescopic cover 8 is enclosed within the periphery of this joint, forms a buffer cavity 10 therebetween, the radial direction of described body 11 offers guide hole 15, communicates with described buffer cavity 10; As shown in Figure 1, the periphery and described body 11 of the first half of described telescopic cover 8 are arranged with spring 9, described spring 9 is in described telescopic cover 8, cavity between described body 11 and described lid 12.
With reference to Fig. 2, a bottom part for described telescopic cover 8 contacts with described top cover, and another part contacts with described metering valve 2, can play positioning action by described telescopic cover 8 to described metering valve 2, makes it there will not be upper and lower vibration phenomenon in the course of the work.
In working procedure, aqueous solution of urea is injected in described feed pathway, because the end of described body 11 is connected with described metering valve 2, described feed pathway is positioned at described body 11, and therefore by described feed pathway, it is inner that described aqueous solution of urea can enter to described metering valve 2, by the running of described metering valve 2, spray from jetburner 19 through nozzle, described aqueous solution of urea is sprayed in outlet pipe uniformly, realizes the process to vehicle exhaust, the innovation of the technical program is, described aqueous solution of urea is in the process flowing to described metering valve 2, a part can through described guide hole 15, enter in described buffer cavity 10, described buffer cavity 10 is filled up, known with reference to Fig. 1, the periphery of described buffer cavity 10 is mainly telescopic cover 8, because telescopic cover 8 flexibility is larger, when after aqueous solution of urea of annotating in described buffer cavity 10, described telescopic cover 8 outwards can be heaved along described body 11, described spring 9 can be promoted deform, until stop mobile when the rebounding force of described spring 9 and the thrust of described aqueous solution of urea reach balance.
Described buffer cavity 10 has voltage regulation result, in order to allow the implementation process of the understanding the technical program that those skilled in the art know that, is described in detail below to its voltage stabilizing process.
As mentioned above, by utilizing described buffer cavity 10, a part of aqueous solution of urea is stored, its object is to store certain pressure, when change appears in the emitted dose of described metering valve 2, when causing the pressure drop of described metering valve 2, aqueous solution of urea in described buffer cavity 10, under the rebounding force effect of described spring 9, utilize described spring 9 to promote described telescopic cover 8 to reset, described aqueous solution of urea can flow in described metering valve 2 and supplement, realize pressure compensation in time, thus guarantee that the front and back pressure reduction of described metering valve 2 is stablized, measuring accuracy is protected.
In addition, in the season of cold, after the aqueous solution of urea in metering valve 2 has sprayed, under the influence of pressure, the rebounding force of described spring 9 can promote described telescopic cover 8 and reset, be conducive to discharging aqueous solution of urea residual in described metering valve 2, its role is to, when temperature is lower, easily there is freezing and expansion in aqueous solution of urea, by residual aqueous solution of urea is discharged, the icing convolution space of raffinate can be increased, avoid described metering valve 2 impaired.
In the process that described metering valve 2 operates, because described metering valve 2 is nearer apart from outlet pipe, temperature in outlet pipe is very high, the own temperature of described metering valve 2 can be caused to rise, to the measuring accuracy of described metering valve 2 with have an impact working life, in order to overcome this technical barrier, the present embodiment integrated ground on described housing 1 is configured with radiating structure, concrete radiation processes is as follows: enter in Aquaporin-5 described in being injected into by cooling water, Aquaporin-5 is entered described in passing through, described cooling water can enter in described cooling chamber 4, be subject to influence of hydraulic pressure, can to surrounding diffusion in described cooling chamber 4, round in described cooling chamber 4, the heat that described metering valve 2 produces is taken away, discharge through described exhalant canal 6, realize the heat radiation to described metering valve 2, the advantage of this structure is, the structure of cooling chamber 4 can increase considerably heat diffusion area, improve radiating efficiency.
Further, described housing 1 is connected with two adapters 18, described adapter 18 respectively with described enter Aquaporin-5, described exhalant canal 6 be connected, described adapter 18 with described enter the angle of Aquaporin-5 or described exhalant canal 6 be less than the angle with described metering valve 2, described like this adapter 18 is closer to described housing 1, making over all Integration Du Genggao, when carrying out high-efficiency diversion, making the volume of housing 1 can not become large.
Embodiment 2
A kind of air-free pump water-cooled nozzle, comprise housing 1, with reference to Fig. 4, and composition graphs 3, at described housing 1 built with metering valve 2, described housing 1 is provided with cooling chamber 4 and blanking cover 3, described cooling chamber 4 is that the passage of semicircular configuration is formed, described blanking cover 3 is fixed on the bottom of described housing 1, its end face forms the bottom being positioned at described cooling chamber 4, described blanking cover 3 can adopt welding manner or position limit pin 17 to be fixed with the means of fixation of described housing 1, and its main purpose is to play positioning action and sealing effect.
Described housing 1 is equipped with feed liquor adapter 18, composition graphs 6, the head of described metering valve 2 is arranged with telescopic cover 8, the bottom of described telescopic cover 8, bottom and the described housing 1 of described feed liquor adapter 18 fix, all the other are identical with embodiment 1, the advantage of the present embodiment is adopted to be, because described cooling chamber 4 is the passage of semicircular configuration, and be positioned at the center of described housing 1, precisely process efficiently for the ease of realizing, when processing the cooling chamber 4 in the present embodiment, the passage of semicircular configuration directly can be offered in the bottom of described housing 1, then by the bottom that described blanking cover 3 is fixed on described passage is sealed, described passage just defines described cooling chamber 4, the end face of described blanking cover 3 becomes the bottom surface of described cooling chamber 4, described housing 1 sets into Aquaporin-5 and exhalant canal 6, lead to the bottom connection of described cooling chamber 4, by injecting the cooling water of certain pressure, cooling water is utilized to flow in the surrounding of described metering valve 2, the heat that described metering valve 2 produces can be taken away rapidly, play the object that described metering valve 2 is dispelled the heat.
By above analysis, a kind of air-free pump water-cooled nozzle that the utility model provides, not only there is the advantage that radiating effect is outstanding, and it has pressure stabilization function, the adjustment to metering valve pressure reduction can be realized, in particular surroundings, the object extending metering valve working life can also be played, it should be noted that, in implementation process, described spring can be transformed to the elastic components such as disc spring, bellows or elasticity leather bag, and the mode of fixing described blanking cover also can adopt the fastening pieces such as axle snap ring, profile screw to replace, and does not do special restriction at this.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. an air-free pump water-cooled nozzle, comprise housing, at described housing built with metering valve, its one end is provided with jetburner, be connected with the afterbody of described metering valve, be connected with feed liquor adapter on the housing, feed liquor passageway is provided with in described feed liquor adapter, described feed liquor passageway connects with the head of described metering valve, it is characterized in that, be provided with the cooling chamber be sealed to form by blanking cover on the housing, described cooling chamber is looped around the periphery of described metering valve, be provided with into water channel and exhalant canal on the housing, described enter water channel and the oblique bottom stretching to described cooling chamber of described exhalant canal, and described in enter water channel mutually close with described exhalant canal, in the joint that described metering valve head and feed liquor are taken over, telescopic cover is enclosed within this joint and forms the buffer cavity of sealing configuration, the outside of described telescopic cover and described feed liquor are provided with cavity between taking over, and described cavity, built with elastic component, makes described buffer cavity can stretch along described feed liquor adapter by described elastic component, described feed liquor adapter offers guide hole, and described guide hole communicates with described buffer cavity.
2. air-free pump water-cooled nozzle according to claim 1, it is characterized in that, annular or half-donut channels is offered in described housing, described passage is positioned at the periphery of described metering valve, described blanking cover is fixed in described passage, and seal mutually with described housing and described metering valve, the below of described blanking cover forms described cooling chamber, and described cooling chamber is positioned at the periphery of described metering valve.
3. air-free pump water-cooled nozzle according to claim 2, is characterized in that, described blanking cover is connected with described housing by inside and outside two-layer seal ring.
4. air-free pump water-cooled nozzle according to claim 1, it is characterized in that, described blanking cover is fixed on the bottom of described housing, the shower nozzle being positioned at described metering valve is peripheral, described passage is positioned at the periphery of the vertical upper of described blanking cover and the middle and lower part of described metering valve, shape annular or semicircular configuration.
5. the air-free pump water-cooled nozzle according to claim 2 or 4, is characterized in that, the adapter of described feed liquor comprises body, and the lid integrally connected with described body, and described lid and described housing are fastened; The Lower Half of described telescopic cover and the top of described metering valve socket-connect, the first half and described body socket-connect, the end of described body and the end face of described metering valve connect, and described buffer cavity is positioned at the periphery of described body, and described guide hole is opened on described body.
6. air-free pump water-cooled nozzle according to claim 4, is characterized in that, the top of described blanking cover is taken over contact with described telescopic cover, described feed liquor.
7. air-free pump water-cooled nozzle according to claim 4, is characterized in that, described blanking cover, by welding wire or fastening piece, connects with described housing.
8. air-free pump water-cooled nozzle according to claim 5, is characterized in that, described telescopic cover is connected with described metering valve, described body respectively by seal ring.
9. air-free pump water-cooled nozzle according to claim 1, is characterized in that, described elastic component is any one in spring, disc spring, bellows or elasticity leather bag.
10. air-free pump water-cooled nozzle according to claim 1, it is characterized in that, described enter water channel and described exhalant canal be circumscribed with adapter, enter the angle of water channel or described exhalant canal and described metering valve described in the angle of described adapter and described metering valve is less than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463580.8U CN204804912U (en) | 2015-06-30 | 2015-06-30 | No air pump water -cooling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463580.8U CN204804912U (en) | 2015-06-30 | 2015-06-30 | No air pump water -cooling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804912U true CN204804912U (en) | 2015-11-25 |
Family
ID=54589751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463580.8U Withdrawn - After Issue CN204804912U (en) | 2015-06-30 | 2015-06-30 | No air pump water -cooling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948277A (en) * | 2015-06-30 | 2015-09-30 | 苏州派格丽减排系统有限公司 | Water cooling nozzle without air pump |
| CN106168150A (en) * | 2016-09-14 | 2016-11-30 | 无锡威孚高科技集团股份有限公司 | Nozzle coolant jacket structure |
-
2015
- 2015-06-30 CN CN201520463580.8U patent/CN204804912U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948277A (en) * | 2015-06-30 | 2015-09-30 | 苏州派格丽减排系统有限公司 | Water cooling nozzle without air pump |
| CN104948277B (en) * | 2015-06-30 | 2018-05-04 | 苏州派格丽减排系统有限公司 | A kind of air-free pump water-cooled nozzle |
| CN106168150A (en) * | 2016-09-14 | 2016-11-30 | 无锡威孚高科技集团股份有限公司 | Nozzle coolant jacket structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20180504 |