CN101709897B - Carbon warmer for train - Google Patents
Carbon warmer for train Download PDFInfo
- Publication number
- CN101709897B CN101709897B CN200910155603.8A CN200910155603A CN101709897B CN 101709897 B CN101709897 B CN 101709897B CN 200910155603 A CN200910155603 A CN 200910155603A CN 101709897 B CN101709897 B CN 101709897B
- Authority
- CN
- China
- Prior art keywords
- carbon
- warmer
- electric heating
- heated parts
- heating tube
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Resistance Heating (AREA)
Abstract
The invention provides a carbon warmer for a train, belonging to the technical field of heating devices. The invention solves the problems that the traditional train warmer has no reasonable enough structure design, no ideal enough heating effect and lower operation stability. The carbon warmer for the train comprises a carbon electrical heated tube, two radiating half bodies and a fixed mechanism, wherein the two radiating half bodies are buckled with each other, and the fixed mechanism fixes the two half radiating bodies together. Each of the radiating half bodies comprises a heat part and a plurality of radiating fins arranged at the back of the heated part, the heated part and the radiating fins are connected into an integral structure, the abdomen of the heated part is provided with a strip-shaped groove which axially extends, the strip-shaped grooves respectively positioned on the two heated parts are correspondingly provided with a tubing channel which is used for accommodating the carbon electrical heated tube and circumferentially enclosed when the two radiating half bodies are buckled, and the fixed mechanism is arranged at the end of the heated part. The invention has the advantages of reasonable design, simple structure, high intensity, long service life and high heat efficiency.
Description
Technical field
The invention belongs to heating device technology area, relate to warmer, especially relate to a kind of carbon warmer for train.
Background technology
Traditional type train warmer generally has two kinds: one is metal pipe racks heat radiation type, and this product energy consumption is large, and heat radiation is slow.The electric loading of train has been increased to many energy consumptions, and programming rate is slow.Be unfavorable for improvement and the development of current modern transportation instrument.Another kind is flat fin, and this fin programming rate is slow, and heat radiation is slow, dangerous poor, easily surface charging.Heater members in warmer adopts carbon goods heat-generating pipe conventionally, carbon goods exothermic material in carbon goods heat-generating pipe is the most competitive hitech materials, the numerous and confused development and production of many developed countries and use carbon goods exothermic material, to replace the exothermic material of traditional metal, PTC etc.
Chinese patent literature discloses a kind of Novel carbon product electrothermal pipe heater [application number: 200720112206.9].Comprise a body, on body, be provided with several vertically disposed fin, it is characterized in that, in described body, be provided with at least one passage, in every passage, be equipped with respectively a bushing pipe adapting with its shape, in bushing pipe, be provided with the carbon product electric heating tube for generating heat.Although such scheme has improved the service behaviour of heating element to a certain extent, still exist weak point: 1, heat radiating fin structure design is reasonable not, be easy to bending damage.2, the sealing of entirety is poor, easily causes light leak, and heating effect is not ideal enough.3, in use easily because the reasons such as vibration cause carbon product electric heating tube to damage, job stability is lower.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, simple in structure and intensity is high, long service life, the heat efficiency is high, the carbon warmer for train that the energy is utilized effectively.
For achieving the above object, the present invention has adopted following technical proposal: this carbon warmer for train, it is characterized in that, this warmer comprises carbon product electric heating tube, two heat radiation halfbodies that can mutually fasten and the fixed mechanism that two heat radiation halfbodies can be fixed together, described heat radiation halfbody comprises heated parts and is distributed in some fin at heated parts back, and heated parts and fin are connected as a single entity structure, be provided with axially extended bar-shaped trough at the belly of heated parts, and in the time that fastening, two heat radiation halfbodies lay respectively at two corresponding tube passages of putting that arrange and be formed for holding carbon product electric heating tube and circumferential sealing of the bar-shaped trough on heated parts, above-mentioned fixed mechanism is arranged on the end of heated parts.
Due to heated parts and fin employing integral structure, effectively improve structural strength, and be difficult for light leak, greatly improve heat conversion ratio.The various piece of whole warmer is easy to assembling, and production cost is low.When work, all heats that heated parts sends carbon product electric heating tube all absorb, after absorbing heat in a large number, heated parts transfers heat to rapidly fin, fin surrounding, in active air molecule, is delivered to infrared waves with far fin the every nook and cranny in compartment.The bar-shaped trough quantity [being the quantity of carbon product electric heating tube] is here determined as required.Can be one, can be also several that be arranged in parallel.
Heating base material in carbon product electric heating tube adopts carbon fiber conventionally, and carbon fiber is by polypropylene nitrile and viscose-based carbon fiber through being composited, and its phosphorus content is up to more than 99.99%; There is the advantages such as large, high temperature resistant, the high heat energy power of power headroom is strong.Carbon fiber is a kind of exothermic material of black body, in electricity-Re transfer process, has hardly visible ray, has the feature such as heat up rapidly, thermo-lag is little, heating is even, radiant heat transfer distance, rate of heat exchange are fast.In the course of work, luminous flux is far smaller than the electrothermal tube of metallic heating body, and electricity-thermal conversion efficiency, up to more than 95%, improves more than 30% than the metallic heating body heat efficiency of the tungsten and molybdenum material of same power, and the time of intensification is saved more than 30%.In the situation that operational environment allows, working temperature can reach 1200 degrees Celsius, can replace the electrothermal tube take metal as heater completely.
Carbon fiber electric heating tube adopts high-purity dehydroxylation quartz glass tube, and thermal coefficient of expansion is minimum, has high thermal stability, can bear violent variations in temperature and does not burst quartz ampoule and be heated to 1500 ℃, drops into rapidly in 20 ℃ of water and does not also burst.Quartz glass is good acid resisting material except for hydrofluoric acid, is equivalent to 30 times of acid-proof ceramics, and 150 times of stainless steel nichrome are the optimal selections of sour body heating.The electrode of carbon product electric heating tube selects resistant to elevated temperatures Mo to process, high temperature resistant, the life-span is long, has effectively guaranteed useful life.
Obviously, carbon fiber electric heating tube is a kind of take radiation infrared as main heater, and electric radiation transfer ratio reaches more than 70%.The wavelength of the far infrared that it is launched is between 3-14 μ m, and the far infrared line spectrum of this section of wavelength is called as " light of life ", accounts for 80% of overall wavelength.It can be absorbed and produce resonance frictional heat effect by airborne hydrone simultaneously, has realized the effect of quick raising heating ambient temperature.Particularly effectively activating human body histocyte, stimulate circulation, accelerate metabolism, strengthen immunocompetence, also there is the deodorization antibacterial texts that dehumidifies simultaneously.The heat overwhelming majority that Far-infrared carbon fiber electric pipe discharges is far infrared radiation energy, and different from metallic heating body, it has avoided the generation of electromagnetic field completely, and there is no surge current.Simultaneously because the far infrared 80% of carbon element object own radiation overlaps with human body infrared, therefore occupy very large advantage at aspects such as safety, energy-conservation, healthy, comfortablenesses, be the best electric heating element of current performance.The life-span continuity point of carbon fiber electric heating tube burns >=6000 hours above (6000---15000), frequent starting, close and long-term continuous operation in, heater non-oxidation and punch-through, generate heat photochromic evenly, tube wall is inside and outside clean.
In above-mentioned carbon warmer for train, described bar-shaped trough place is provided with along the axially extended concave-convex anti-light leakage structure of notch, and the concave-convex anti-light leakage structure that lays respectively at two bar-shaped trough notch places in the time that two heat radiation halfbodies fasten just in time matches.Owing to having adopted concave-convex anti-light leakage structure, can effectively avoid light to leak outside.The concave-convex anti-light leakage structure here can be several steps, and can be cancavo-convex curved surface.
In above-mentioned carbon warmer for train, described fixed mechanism has two and lay respectively at the two ends of heated parts, each fixed mechanism comprise respectively two can mutually fasten fix half, fix half for two and be fixed together by securing member.Wherein, can also be provided for the through wires hole through wire fixing on half.
In above-mentioned carbon warmer for train, each described seat mouthful of fixing half end and having respectively indent, and in the time fixing half fastening for two, lay respectively at two seat mouthful correspondences of fixing on half and arrange and be formed for holding the fixing hole of heated parts end, above-mentioned heated parts end is fixed in fixing hole.By this structure, the heated parts of two heat radiation halfbodies is fixed together.
In above-mentioned carbon warmer for train, in each described seat mouth, be provided with horizontal raised line, the back of each described heated parts has the transverse concave groove adapting with above-mentioned horizontal raised line shape, and described horizontal raised line inserts in transverse concave groove.By this structure, further improve structural stability.
In above-mentioned carbon warmer for train, the cross section of described bar-shaped trough is circular arc, and the external diameter of described carbon product electric heating tube is less than the internal diameter of putting tube passage, and at carbon product electric heating tube with put and form annular gap between tube passage.Because carbon product electric heating tube does not directly contact with heated parts, therefore can effectively avoid the impact causing because of vibrations.In addition,, owing to putting the structure that tube passage is sealing, therefore can't cause thermal loss.
In above-mentioned carbon warmer for train, described bar-shaped trough axially runs through heated parts, and the two ends of described carbon product electric heating tube extend to respectively puts outside tube passage and is fixed in fixed mechanism.
In above-mentioned carbon warmer for train, each described belly of fixing half is provided with one end sealing other end and extends to a holddown groove for seat mouthful, and in the time fixing half fastening for two, lay respectively at two corresponding stationary conduits that arrange and be formed for holding carbon product electric heating tube end and circumferential sealing of holddown groove of fixing on half, above-mentioned carbon product electric heating tube end is fixed in stationary conduit.Can easily carbon product electric heating tube be fixed up by fixed mechanism by this structure.Like this, fixed mechanism is not only fixed heated parts, also carbon product electric heating tube is fixed simultaneously.
In above-mentioned carbon warmer for train, the two ends of described carbon product electric heating tube are overlapped respectively the flexible boot of being made up of insulating material, and described flexible boot is clamped between carbon product electric heating tube end and stationary conduit.Conventionally, flexible boot adopts silica gel to make, and flexible boot is both high temperature resistant, high-insulation again, and can prevent train injury to quartz ampoule in jolting.
In above-mentioned carbon warmer for train, described heat radiation halfbody is made up of aluminium, and has in heat radiation half surface the blackout layer forming by blackening process.Blackening process is a kind of chemical surface treatment, and its Main Function is the oxide-film that forms one deck densification at surface of the work, prevents from becoming rusty on workpiece corrosion, improves the resistance to wear of workpiece.Therefore, by effectively elevating mechanism intensity of the heat radiation halfbody after blackening process.
Compared with prior art, the advantage of this carbon warmer for train is: 1, reasonable in design, simple in structure, compact, intensity is high, is easy to processing and manufacturing.2, can effectively prevent that light from leaking outside, energy utilization rate is high, has rapid, energy-conservation, the efficient feature of intensification.3, job stability is high, also can not cause damage even if be given a shock impact, long service life, and coefficient of safety is high.
Accompanying drawing explanation
Fig. 1 is perspective view provided by the invention.
Fig. 2 is explosive view provided by the invention.
Fig. 3 is side-looking structural representation provided by the invention.
Fig. 4 is plan structure schematic diagram provided by the invention.
Fig. 5 is the amplification stereogram of fixing half provided by the invention.
Fig. 6 is A-A amplification view along the line in Fig. 4.
Fig. 7 is B-B amplification view along the line in Fig. 4.
Fig. 8 be in the present invention two fix half stereogram while snapping together.
In figure, carbon product electric heating tube 1, heat radiation halfbody 2, heated parts 21, bar-shaped trough 211, transverse concave groove 212, sealed step 213, sealing plane 214, put tube passage 210, annular gap 200, fin 22, fixed mechanism 30, fix half 3, seat mouthfuls 31, fixing hole 301, laterally raised line 32, holddown groove 33, stationary conduit 330, cable-through hole 34, flexible boot 4.
Embodiment
As Figure 1-4, this carbon warmer for train comprises carbon product electric heating tube 1, two heat radiation halfbodies 2 that can mutually fasten and the fixed mechanism 30 that two heat radiation halfbodies 2 can be fixed together.Heat radiation halfbody 2 comprises heated parts 21 and is distributed in some fin 22 at heated parts 21 backs, and heated parts 21 is connected as a single entity structure with fin 22.Heat radiation halfbody 2 is made up of aluminium, and has on heat radiation halfbody 2 surfaces the blackout layer forming by blackening process.
Be provided with two axially extended bar-shaped troughs 211 at the belly of heated parts 21, and when two heat radiation halfbodies 2 lay respectively at while fastening two bar-shaped troughs 211 on heated parts 21 one by one corresponding arranges and is formed for holding carbon product electric heating tube 1 and circumferentially seal put tube passage 210.Above-mentioned fixed mechanism 30 is arranged on the end of heated parts 21.As shown in Fig. 2 and 6, bar-shaped trough 211 places are provided with along the axially extended concave-convex anti-light leakage structure of notch, and the concave-convex anti-light leakage structure that lays respectively at two bar-shaped troughs, 211 notch places while fastening when two heat radiation halfbodies 2 just in time matches.More particularly, as shown in Figure 6, concave-convex anti-light leakage structure comprises the sealed step 213 and the sealing plane 214 that are separately positioned on bar-shaped trough 211 notch both sides.In the time that two heat radiation halfbodies 2 fasten, the sealed step 213 of one of them heated parts 21 is just in time coincide with the sealing plane 214 of another heated parts 21.
As shown in Fig. 1-4,5,7 and 8, fixed mechanism 30 has two and lay respectively at the two ends of heated parts 21, and each fixed mechanism 30 comprises respectively two fixing half 3, two and fixing half 3 and be fixed together by securing member of can mutually fastening.Have the cable-through hole 34 of drawing for the wire of carbon product electric heating tube 1 fixing half 3 outer end.Each seat mouthfuls 31 of fixing half 3 end and having respectively indent, and in the time fixing half 3 fastening for two, lay respectively at two seat mouthful 31 correspondences of fixing on half 3 and arrange and be formed for holding the fixing hole 301 of heated parts 21 ends, above-mentioned heated parts 21 ends are fixed in fixing hole 301.In each mouth 31, be provided with horizontal raised line 32, the back of each heated parts 21 has the transverse concave groove 212 adapting with above-mentioned horizontal raised line 32 shapes, and laterally raised line 32 inserts in transverse concave groove 212.
As shown in Figure 6, the cross section of bar-shaped trough 211 is circular arc, and the external diameter of carbon product electric heating tube 1 is less than the internal diameter of putting tube passage 210, and at carbon product electric heating tube 1 with put and form annular gap 200 between tube passage 210.Bar-shaped trough 211 axially runs through heated parts 21, and the two ends of carbon product electric heating tube 1 extend to respectively puts outside tube passage 210 and is fixed in fixed mechanism 30.As shown in Figure 7, each belly of fixing half 3 is provided with one end sealing other end and extends to a holddown groove 33 for mouth 31, and in the time fixing half 3 fastening for two, lay respectively at two corresponding stationary conduits 330 that arrange and be formed for holding carbon product electric heating tube 1 end and circumferential sealing of holddown groove 33 of fixing on half 3, above-mentioned carbon product electric heating tube 1 end is fixed in stationary conduit 330.The two ends of carbon product electric heating tube 1 are overlapped respectively the flexible boot 4 of being made up of insulating material, and described flexible boot 4 is clamped between carbon product electric heating tube 1 end and stationary conduit 330.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used carbon product electric heating tube 1, heat radiation halfbody 2, heated parts 21, bar-shaped trough 211, transverse concave groove 212, sealed step 213, sealing plane 214 herein, put tube passage 210, annular gap 200, fin 22, fixed mechanism 30, fix half 3, seat mouthfuls 31, fixing hole 301, the horizontal term such as raised line 32, holddown groove 33, stationary conduit 330, cable-through hole 34, flexible boot 4, do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a carbon warmer for train, comprise carbon product electric heating tube (1), two heat radiation halfbodies (2) that can mutually fasten and the fixed mechanism (30) that two heat radiation halfbodies (2) can be fixed together, described heat radiation halfbody (2) comprises heated parts (21) and is distributed in some fin (22) at heated parts (21) back, and heated parts (21) is connected as a single entity structure with fin (22), be provided with axially extended bar-shaped trough (211) at the belly of heated parts (21), and in the time that two heat radiation halfbodies (2) fasten, lay respectively at bar-shaped trough (211) on two heated parts (21) corresponding arranges and is formed for holding carbon product electric heating tube (1) and circumferentially seal put tube passage (210), above-mentioned fixed mechanism (30) is arranged on the end of heated parts (21), it is characterized in that, described fixed mechanism (30) has two and lay respectively at the two ends of heated parts (21), each fixed mechanism (30) comprise respectively two can mutually fasten fix half (3), fixing half (3) for two is fixed together by securing member, each described seat mouthful (31) of fixing half (3) end and having respectively indent, and in the time fixing half (3) fastening for two, lay respectively at two seat mouthful (31) correspondences of fixing on half (3) and arrange and be formed for holding the fixing hole (301) of heated parts (21) end, above-mentioned heated parts (21) end is fixed in fixing hole (301).
2. carbon warmer for train according to claim 1, it is characterized in that, described bar-shaped trough (211) is located to be provided with along the axially extended concave-convex anti-light leakage structure of notch, and the concave-convex anti-light leakage structure that lays respectively at two bar-shaped troughs (211) notch place in the time that two heat radiation halfbodies (2) fasten just in time matches.
3. carbon warmer for train according to claim 1, it is characterized in that, in each described seat mouthful (31), be provided with horizontal raised line (32), the back of each described heated parts (21) has the transverse concave groove (212) adapting with above-mentioned horizontal raised line (32) shape, and described horizontal raised line (32) inserts in transverse concave groove (212).
4. carbon warmer for train according to claim 1, it is characterized in that, the cross section of described bar-shaped trough (211) is circular arc, the external diameter of described carbon product electric heating tube (1) is less than the internal diameter of putting tube passage (210), and at carbon product electric heating tube (1) with put and form annular gap (200) between tube passage (210).
5. carbon warmer for train according to claim 1, it is characterized in that, described bar-shaped trough (211) axially runs through heated parts (21), and the two ends of described carbon product electric heating tube (1) extend to respectively puts outside tube passage (210) and is fixed in fixed mechanism (30).
6. carbon warmer for train according to claim 1, it is characterized in that, each described belly of fixing half (3) is provided with one end sealing other end and extends to a holddown groove (33) of mouthful (31), and in the time fixing half (3) fastening for two, lay respectively at two and fix half corresponding stationary conduit (330) that arranges and be formed for holding carbon product electric heating tube (1) end and circumferential sealing of the holddown groove (33) on (3), above-mentioned carbon product electric heating tube (1) end is fixed in stationary conduit (330).
7. carbon warmer for train according to claim 6, it is characterized in that, the two ends of described carbon product electric heating tube (1) are overlapped respectively the flexible boot (4) of being made up of insulating material, and described flexible boot (4) is clamped between carbon product electric heating tube (1) end and stationary conduit (330).
8. carbon warmer for train according to claim 6, is characterized in that, described heat radiation halfbody (2) is made up of aluminium, and has on heat radiation halfbody (2) surface the blackout layer forming by blackening process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910155603.8A CN101709897B (en) | 2009-12-17 | 2009-12-17 | Carbon warmer for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910155603.8A CN101709897B (en) | 2009-12-17 | 2009-12-17 | Carbon warmer for train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709897A CN101709897A (en) | 2010-05-19 |
| CN101709897B true CN101709897B (en) | 2014-06-25 |
Family
ID=42402696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910155603.8A Expired - Fee Related CN101709897B (en) | 2009-12-17 | 2009-12-17 | Carbon warmer for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709897B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900146B (en) * | 2012-12-25 | 2016-08-10 | 福州斯狄渢电热水器有限公司 | A kind of heating element fixing device |
| CN105570963B (en) * | 2016-02-02 | 2019-06-18 | 江苏昂彼特堡散热器有限公司 | A kind of electricity heating device |
| CN107027197A (en) * | 2016-07-13 | 2017-08-08 | 湖北叶威(集团)智能科技有限公司 | It is used for the insulator for installing heating rod on foodstuff drying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558905Y (en) * | 2002-06-24 | 2003-07-02 | 任海良 | Self-locking radiating fin for composite tube heat radiator |
| CN101340743A (en) * | 2007-07-06 | 2009-01-07 | 杭州奥普卫厨科技有限公司 | Novel carbon fiber heaters |
| CN201316172Y (en) * | 2008-12-04 | 2009-09-30 | 广东德豪润达电气股份有限公司 | Oven with heating pipe washable |
-
2009
- 2009-12-17 CN CN200910155603.8A patent/CN101709897B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558905Y (en) * | 2002-06-24 | 2003-07-02 | 任海良 | Self-locking radiating fin for composite tube heat radiator |
| CN101340743A (en) * | 2007-07-06 | 2009-01-07 | 杭州奥普卫厨科技有限公司 | Novel carbon fiber heaters |
| CN201316172Y (en) * | 2008-12-04 | 2009-09-30 | 广东德豪润达电气股份有限公司 | Oven with heating pipe washable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101709897A (en) | 2010-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120080422A1 (en) | Apparatus for making hot water using carbon heater | |
| CN101709897B (en) | Carbon warmer for train | |
| CN101389163B (en) | Large power carbon fiber electric heating tube for industrial use | |
| CN201594928U (en) | Carbon fiber heating device | |
| CN201619575U (en) | Carbon fiber heater for train | |
| KR101114863B1 (en) | Heating pipe having heat absorbing structure | |
| CN104754785B (en) | A kind of detachable spiral radiation heating tube | |
| KR20100087240A (en) | Near infra red lamp heater boiler | |
| CN207441920U (en) | A kind of battery pack heating and heat dissipation hybrid system and electric car | |
| CN101340743B (en) | Novel carbon fiber heaters | |
| CN205299903U (en) | Electric water heater with high heating efficiency | |
| CN202501554U (en) | Air heating part of electric heater | |
| CN201536429U (en) | Halogen tube | |
| KR20090129139A (en) | Carbon fiber heating bar and boiler using the same | |
| KR102403908B1 (en) | Carbon fiber heating element and electric boiler comprising the same | |
| CN209386819U (en) | A kind of electric radiation device for heat-treatment furnace | |
| CN202652564U (en) | Carbon fiber electric heating device | |
| KR20130035341A (en) | Carbide heater with cooling fin | |
| KR101214202B1 (en) | Electric heat boiler | |
| CN219740633U (en) | Fixed heat conduction device of far infrared heater | |
| CN209089258U (en) | A kind of band blower heating coil structures | |
| KR200412259Y1 (en) | Irradiating Hating Tube | |
| CN201450606U (en) | Energy-saving carbon fiber electric heating pipe | |
| CN201063880Y (en) | Novel carbon product electrothermal pipe heater | |
| CN212259360U (en) | Carbon fiber infrared heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Qinfeng Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Wu Qinfeng Document name: Notification of Publication of the Application for Invention |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Qinfeng Document name: Notification of Passing Examination on Formalities |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20181217 |