CN106762231A - Fuel injection device with atomizing mouth - Google Patents
Fuel injection device with atomizing mouth Download PDFInfo
- Publication number
- CN106762231A CN106762231A CN201611126128.8A CN201611126128A CN106762231A CN 106762231 A CN106762231 A CN 106762231A CN 201611126128 A CN201611126128 A CN 201611126128A CN 106762231 A CN106762231 A CN 106762231A
- Authority
- CN
- China
- Prior art keywords
- jet pipe
- atomizing mouth
- generating tube
- nozzle
- fuel injection
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0287—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers characterised by the transition from liquid to gaseous phase ; Injection in liquid phase; Cooling and low temperature storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses a kind of fuel injection device with atomizing mouth, including woven hose, generating tube preheating mechanism, combustion mechanism, the blower fan connected with fuels sources；Generating tube preheating mechanism, including the first fuel delivery valve, atomizing mouth, igniter；First fuel delivery valve is connected on woven hose, and atomizing mouth is fixed on the end of above-mentioned woven hose, and igniter head of igniter is in atomizing mouth correspondence position；Combustion mechanism, including generating tube, nozzle, jet pipe；Generating tube is fixed on jet pipe along the rear of air supply direction and atomizing mouth front correspondence position, the generating tube includes liquid-inlet and gas vent, liquid-inlet is connected by the second fuel delivery valve and woven hose with fuels sources, gas vent is connected with nozzle, nozzle is towards jet pipe, there is air inlet on jet pipe, blower fan is provided with front of the air supply direction of jet pipe.The present invention how generating tube can be preheated using itself fuel and by jet pipe to gaseous full combustion of fuel so as to improve the technical problem of injection apparatus jeting effect.
Description
Technical field
The present invention relates to a kind of fuel injection device for belonging to the fields of F02M 21/00, it also applies agriculture field, utilizes
The fuel atomization after-combustion of itself is simultaneously preheated to generating tube, so that vaporization of liquid fuel in generating tube and passing through nozzle
Spray and again by the ignited fuel of itself so as to the lasting vaporization of liquid fuel made in generating tube.
Background technology
There is a liquid to enter for the general curl of generating tube and inner hollow in fuel injection device, generating tube one end
Liquid mouthful, the other end has a gas outlet, and liquid fuel such as liquid alcohol is flowed into from liquid inlet, received in generating tube
Hot vapour sprays from gas outlet, and the mode of heating to generating tube typically uses electric heater for heating at present, in fuel injection
In the device course of work, electric heater additional configuration and must be constantly in working condition, so more waste the energy.
Chinese Patent Application No. 932128246 discloses a kind of liquefied synthetic gas stove, and generating tube therein is fixed on spray
Mouth left side front, wherein combustion gas are not directly fierce so as to cause firepower not by pressure process from nozzle ejection.
The content of the invention
It is an object of the invention to provide a kind of fuel injection device with atomizing mouth, solve how to utilize itself fuel pair
Generating tube preheated and by jet pipe to gaseous full combustion of fuel so as to improve the technical problem of burner combustion efficiency.
Fuel injection device with atomizing mouth, including woven hose, generating tube preheating mechanism, the combustion connected with fuels sources
Burn mechanism, blower fan；Generating tube preheating mechanism, including the first fuel delivery valve, atomizing mouth, igniter；The connection of first fuel delivery valve is in transfusion
Guan Shang, atomizing mouth is fixed on the end of above-mentioned woven hose, and igniter head of igniter is in atomizing mouth correspondence position；Combustion mechanism,
Including generating tube, nozzle, jet pipe；Generating tube is fixed on jet pipe along the rear of air supply direction and atomizing mouth front correspondence position, should
Generating tube includes liquid-inlet and gas vent, and liquid-inlet is connected by the second fuel delivery valve and woven hose with fuels sources, gas
Outlet is connected with nozzle, and nozzle has air inlet towards jet pipe on jet pipe, the front or side of the air supply direction of jet pipe are provided with
Blower fan.
The jet pipe includes nozzle body, fire-spraying plate, and nozzle body includes contraction section, narrow aditus laryngis, expansion segment, contraction section edge
The bore of air supply direction is tapered into and is transitioned into narrow aditus laryngis, and expansion segment gradually increases along the bore of air supply direction since narrow aditus laryngis
Greatly；Fire-spraying plate is fixed on end of the expansion segment along air supply direction.
The nozzle is in inside contraction section inside or narrow aditus laryngis inside or expansion segment.
The generating tube is the U-tube of helical form generating tube or the snakelike connection of multistage.
The jet pipe also includes air intake plate, has air inlet and nozzle fixing hole on air intake plate, and nozzle is fixed on above-mentioned spray
On mouth fixing hole；Air intake plate is fixed on front end of the contraction section along air supply direction.
There is fire jetting hole, above-mentioned fire jetting hole flue, the fire-spraying plate bottom has on the fire-spraying plate of the nozzle body
Unloading port.
The fuel injection device also includes temperature sensor, controller；Temperature sensor be in atomizing mouth front and
The rear of jet pipe edge air-supply wind direction；Controller respectively with the first fuel delivery valve, the second fuel delivery valve, igniter, air blower, TEMP
Device control connection.
Reinforcement is fixed with the helical form generating tube.
The jet pipe front also has a protective cover.
The beneficial effects of the invention are as follows：By setting woven hose, two fuel delivery valves, atomizing mouth, igniters, so will be first
The system fuel of itself is atomized by atomizing mouth, and then igniter is lighted to the fuel being atomized；Use the fuel of system itself
Generating tube is preheated, so without using heating tube, so as to reduce the overall configuration of system, makes its simple structure operation side
Just, utilization ratio is high.By increased a jet pipe between nozzle and generating tube, jet pipe front end is used to fix nozzle and set
Putting air inlet makes outside air enter into nozzle body；Jet pipe middle part is nozzle body partially due to caliber is tapered into
Then become larger, the jet pipe is first pressurized and then diffusion to air, the fire for spraying so is caused using the principle of Laval nozzle
Power is fierce, and jet pipe fixes its burning tunnel also lighted to the fuel gas that nozzle sprays simultaneously after not disorderly；Generating tube is set
The front in jet pipe along air supply direction and other positions are put, so fully by vaporization of liquid fuel, efficiency of combustion is improved.
Brief description of the drawings
Fig. 1 is the schematic diagram of generating tube preheating mechanism；
Fig. 2 is the schematic diagram of combustion mechanism；
Fig. 3 is the schematic diagram of the jet pipe in Fig. 2 combustion mechanisms；
Fig. 4 is the front view of the air intake plate in Fig. 2 combustion mechanisms；
Fig. 5 is the front view of the fire-spraying plate in Fig. 2 combustion mechanisms；
Fig. 6 is internal part connection and the arrangement schematic diagram of fuel injection device；
Fig. 7 is the external component and the schematic diagram that is connected with internal part of fuel injection device；
1. woven hoses in figure, 2. the first fuel delivery valve, 21. inlets, 22. liquid outlets, 3. atomizing mouth, 4. igniter,
41. igniter head, 5. fuel tank, 6. the second fuel delivery valve, 7. jet pipe, 71. air intake plates, 711. air inlets, 712. nozzles are consolidated
Determine hole, 72. nozzle bodies, 721. contraction sections, 722. narrow aditus laryngis, 723. expansion segments, 73. fire-spraying plates, 731. fire jetting holes,
732. unloading ports, 8. generating tube, 81. gas vents, 82. liquid-inlets, 83. reinforcements, 9. nozzle, 10. air blower,
11. temperature sensors, 12. shell bodies.
Specific embodiment
Fig. 1 to Fig. 7 is refer to, the fuel injection device in figure, including woven hose 1, generating tube preheating mechanism, combustor
Structure, blower fan 10, temperature sensor 11, controller 12.
Liquid fuel is imported into atomization by woven hose 1 from fuel tank 5 in the presence of an oil pump by the first fuel delivery valve 2
In mouth 3.Liquid fuel is liquid alcohols or lighter hydrocarbons class A fuel A, specifically from which kind of fuel as needed depending on, preferred liquid
Aalcohols fuel such as industrial alcohol.
Generating tube preheating mechanism, including an igniter 4 of atomizing mouth 3, of the first fuel delivery valve 2,.First fuel delivery valve
2 not only have switching function, the function can also with control input flow, and it is also referred to as flowmeter or other titles.Should
First fuel delivery valve 2 has an inlet 21 and a liquid outlet 22, and inlet 21 and liquid outlet 22 are respectively connected with liquid fuel
Woven hose 1, the terminal position of the liquid fuel woven hose 1 being connected with liquid outlet 22 is provided with atomizing mouth 3, can thus hand over liquid
State fuel is imported into atomizing mouth 3 from fuel tank.Atomizing mouth 3 is in the front of generating tube 8, and the atomizing mouth 3 turns liquid fuel
Change into vaporific；Igniter head 41 of such as pulse igniter of igniter 4 is located at the front of atomizing mouth 3, so when igniter head 41 is lighted a fire just
Liquid fuel can be lighted.It is magnetic valve that first fuel delivery valve 2 is actual.
Combustion mechanism, including jet pipe 7, generating tube 8, the nozzle 9 of cone.Jet pipe 7 includes air intake plate 71, nozzle body
72nd, fire-spraying plate 73.
There is air inlet 711 and nozzle fixing hole 712 on air intake plate 71；So by air inlet 711, air blower 10 is discharged
Wind can just enter into nozzle body 72 and be pressurized, nozzle 9 can just be fixed by nozzle fixing hole 712.Wherein air intake
Mouth 711 can select 2-6, preferably 2 convenient processing.Nozzle fixing hole 712 can select 1-3, preferably 1 convenient processing.
Nozzle body 72 includes contraction section 721, narrow aditus laryngis 722, expansion segment 723；Contraction section 721 along air supply direction bore
Taper into and be transitioned into narrow aditus laryngis 722, expansion segment 723 gradually increases along the bore of air supply direction since narrow aditus laryngis 722；Air intake
Plate 71 is fixed on front end of the contraction section 721 along air supply direction, and fire-spraying plate 73 is fixed on end of the expansion segment 723 along air supply direction；
Can will just go out wind pressure by such design to increase so that the flame for spraying is fierce.Generating tube 8 is fixed on jet pipe 7 along air-supply
The rear in direction, has gas vent 81 on generating tube 8, the gas vent 81 is connected with nozzle 9, and such generating tube 8 is using spray
The flame that pipe 9 sprays carries out heating to the liquid fuel in it vaporizes it.There is fire jetting hole 731, above-mentioned spray on fire-spraying plate 73
The flue of fire hole 731, so may also function as the effect of supercharging.When in use, equipment fault is such as encountered, when liquid fuel does not fill
When dividing vaporization, a unloading port 732 is installed in the bottom of fire-spraying plate 73 that can be on nozzle body 72, so derives liquid fuel.
Nozzle body 72 also can select other patterns, Chinese Patent Application No. 200680050483.X, patent name in actual applications
Described by jet pipe described in fuel nozzle；Or such as Chinese Patent Application No. 201510247096.6, patent name is
Described by Supersonic diffuser+ structure described in flow diverter jet pipe.
Generating tube 8 is the U-tube of helical form generating tube or the snakelike connection of multistage, and wherein helical form generating tube 8 is helical form
Annular generating tube or helical form ellipse generating tube or helical form square generating tube or helical form rectangle generating tube or
Person's helical form rhombus generating tube or helical form regular polygon generating tube or helical form irregular polygon generating tube.Helical form
Generating tube 2 is provided with least two circle generating tubes；The diameter or the length of side of the often circle helical form generating tube are identical；It is described often to enclose helical form
Spacing between generating tube is identical；The diameter of the generating tube is identical.In order to increase the intensity of helical form generating tube, can be in spiral
Increase a reinforcement 83 on shape generating tube.
In order to the flame temperature that the ignition temperature to atomizing mouth in heating process 3, jet pipe 7 spray is detected, in atomization
The jet pipe 7 of the top of mouth 3 is provided with a temperature sensor 11 also referred to as fire prospecting needle and detects that flare is along the rear of air supply direction
No generation, the probe of the temperature sensor 11 can not contact with miscellaneous part and avoid influenceing actual test temperature.In order to oil pump,
First fuel delivery valve 2, igniter 4, the second fuel delivery valve 6, air blower 10, temperature sensor 11 are controlled, and one is increased herein
Controller, wherein controller are not shown in the diagram.In order to protect all parts, above-mentioned part can be fixed on a shell body 12
Either internally or externally；In order to whole burner is fixed on holding furnace, a flange, vapour can be installed on shell body 12
Change pipe preheating mechanism, combustion mechanism and pass through the flange.In order to fix jet pipe 7 and woven hose 1.Its air inlet 711 of air intake plate 71 compared with
Greatly, air intake is so conducive to, nozzle 9 is in the lateral mid-point of narrow aditus laryngis 722 in nozzle body 72, by such setting
Its flame rod effect can be significantly improved.In order to all parts to burner are protected, a protective cover can be increased.Second is defeated
It is battery valve that fuel tap 6 is actual.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, above in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention of the above to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outward " be based on orientation shown in the drawings or position relationship, or the invention produce
The orientation or position relationship usually put when product are used, are for only for ease of the description present invention and simplify description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is limitation of the present invention.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that referring to
Show or imply relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is two connections of element internal.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
Claims (9)
1. the fuel injection device of atomizing mouth is carried, it is characterised in that：Including the woven hose, the generating tube preheating that are connected with fuels sources
Mechanism, combustion mechanism, blower fan；Generating tube preheating mechanism, including the first fuel delivery valve, atomizing mouth, igniter；First fuel delivery valve is connected
On woven hose, atomizing mouth is fixed on the end of above-mentioned woven hose, and igniter head of igniter is in atomizing mouth correspondence position；Burning
Mechanism, including generating tube, nozzle, jet pipe；Generating tube is fixed on jet pipe along the rear of air supply direction and atomizing mouth front correspondence position
Put, the generating tube includes liquid-inlet and gas vent, liquid-inlet is connected by the second fuel delivery valve and woven hose with fuels sources,
Gas vent is connected with nozzle, and nozzle has air inlet towards jet pipe on jet pipe, the front or side of the air supply direction of jet pipe set
It is equipped with blower fan.
2. the fuel injection device with atomizing mouth according to claim 1, it is characterised in that：The jet pipe includes spray
Pipe main body, fire-spraying plate, nozzle body include contraction section, narrow aditus laryngis, expansion segment, and contraction section is tapered into along the bore of air supply direction
Narrow aditus laryngis is transitioned into, expansion segment gradually increases along the bore of air supply direction since narrow aditus laryngis；Fire-spraying plate is fixed on expansion segment edge
The end of air supply direction.
3. the fuel injection device with atomizing mouth according to claim 2, it is characterised in that：The nozzle is in be received
Inside contracting intersegmental part or narrow aditus laryngis inside or expansion segment.
4. the fuel injection device with atomizing mouth according to claim 1, it is characterised in that：The generating tube is spiral shell
Rotation shape generating tube or the U-tube of the snakelike connection of multistage.
5. the fuel injection device with atomizing mouth according to claim 1, it is characterised in that：The jet pipe also includes
Air intake plate, has air inlet and nozzle fixing hole on air intake plate, nozzle is fixed on said nozzle fixing hole；Air intake plate is fixed on
Contraction section along air supply direction front end.
6. the fuel injection device with atomizing mouth according to claim 2, it is characterised in that：The nozzle body
There is fire jetting hole, above-mentioned fire jetting hole flue, the fire-spraying plate bottom has unloading port on fire-spraying plate.
7. the fuel injection device with atomizing mouth according to claim 1, it is characterised in that：The fuel injection dress
Put and also include temperature sensor, controller；Temperature sensor is in the rear of atomizing mouth front and jet pipe along air-supply wind direction；Control
Device processed is connected with the first fuel delivery valve, the second fuel delivery valve, igniter, air blower, temperature sensor control respectively.
8. the fuel injection device with atomizing mouth according to claim 4, it is characterised in that：The helical form vaporization
Reinforcement is fixed with pipe.
9. the fuel injection device with atomizing mouth according to claim 1, it is characterised in that：The jet pipe front is also
With a protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126128.8A CN106762231A (en) | 2016-12-09 | 2016-12-09 | Fuel injection device with atomizing mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126128.8A CN106762231A (en) | 2016-12-09 | 2016-12-09 | Fuel injection device with atomizing mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762231A true CN106762231A (en) | 2017-05-31 |
Family
ID=58877727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611126128.8A Pending CN106762231A (en) | 2016-12-09 | 2016-12-09 | Fuel injection device with atomizing mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228361A (en) * | 2017-07-06 | 2017-10-03 | 浙江明新能源科技有限公司 | Burner aids in preheating mechanism and burner |
| CN114635814A (en) * | 2022-03-14 | 2022-06-17 | 天津大学 | Scaling spray pipe acceleration mixer for enhancing oil-gas mixing of high-intensity diesel engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201170550Y (en) * | 2007-10-27 | 2008-12-24 | 刘伦举 | Vaporizing burner |
| CN106051760A (en) * | 2016-05-15 | 2016-10-26 | 浙江明新风机有限公司 | Fuel injection device |
| CN206299479U (en) * | 2016-12-09 | 2017-07-04 | 浙江明新能源科技有限公司 | Fuel injection device with atomizing mouth |
-
2016
- 2016-12-09 CN CN201611126128.8A patent/CN106762231A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201170550Y (en) * | 2007-10-27 | 2008-12-24 | 刘伦举 | Vaporizing burner |
| CN106051760A (en) * | 2016-05-15 | 2016-10-26 | 浙江明新风机有限公司 | Fuel injection device |
| CN206299479U (en) * | 2016-12-09 | 2017-07-04 | 浙江明新能源科技有限公司 | Fuel injection device with atomizing mouth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228361A (en) * | 2017-07-06 | 2017-10-03 | 浙江明新能源科技有限公司 | Burner aids in preheating mechanism and burner |
| CN107228361B (en) * | 2017-07-06 | 2024-03-22 | 浙江明新能源科技有限公司 | Auxiliary preheating mechanism of burner and combustion device |
| CN114635814A (en) * | 2022-03-14 | 2022-06-17 | 天津大学 | Scaling spray pipe acceleration mixer for enhancing oil-gas mixing of high-intensity diesel engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |