CN102996476B - Without blade fan - Google Patents
Without blade fan Download PDFInfo
- Publication number
- CN102996476B CN102996476B CN201210492387.8A CN201210492387A CN102996476B CN 102996476 B CN102996476 B CN 102996476B CN 201210492387 A CN201210492387 A CN 201210492387A CN 102996476 B CN102996476 B CN 102996476B
- Authority
- CN
- China
- Prior art keywords
- solar
- lunar halo
- impeller hood
- seal ring
- fan
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention is a kind of electric fan, particularly relate to a kind of air-out effect good without blade fan.A kind of without blade fan, comprise base portion, base portion is provided with solar or lunar halo, described base portion comprises a housing, is provided with impeller hood in housing, and the two ends of impeller hood are respectively air inlet and air outlet slit, the fan blade being provided with motor and being driven by motor in impeller hood, it is characterized in that: between described housing and impeller hood, form a cavity, the upper end of cavity connects with the inner passage of solar or lunar halo, is provided with flexible seals in the upper end of cavity.Of the present inventionly solve prior art to there is air-out effect good not, seal structure complex, fan precision prescribed is high, the problem that running noise is large, and provide a kind of structure simple, air-out effect is good, and fan running is stablized, noise vibration little without blade fan.
Description
Technical field
The present invention is a kind of electric fan, particularly relate to a kind of air-out effect good without blade fan.
Background technique
At present, fan major part is all the form having blade fan adopted, and drives air to move by the direction of specifying, form wind-force by cutting.And the fan of this form, due to relatively dangerous property, drawback that noise is larger, slowly abandon by user, what now safe and reliable, noise was commercially less slowly starts without blade fan the welcome being subject to Consumer, without blade fan employing is sprayed by extracting air, drives air to carry out injection and forms wind-force.But existing is all the outlet air surface adopting spreading type, Coanda surface without blade fan, and this result also in wind-force a significantly diffusion, wind-force can blow and effective coverage less, when air is blown over from Coanda surface, have larger frictional loss, wind-force is less.
Chinese patent Authorization Notice No.: CN101825105B, discloses a kind of fan component, and fan component comprises the nozzle be arranged on base portion, and described base portion comprises frame; Be contained in the impeller hood in frame, impeller hood has air inlet and air outlet slit, is positioned at the impeller of impeller hood and drives impeller to produce the motor through the air-flow of impeller hood.Nozzle comprises inner passage and mouth for accepting air-flow from the air outlet slit of impeller hood, and air-flow is penetrated from fan component by mouth, and wherein flexible seals is between described frame and described impeller hood.The essential core of this fan component installs Sealing between frame and impeller hood, stop air to turn back to described air inlet along the path extended between frame and impeller hood, the pressurised gas flow forcing impeller to produce is exported by impeller hood and enters nozzle.But this structure still has air-flow between frame and impeller hood, and in the position that air-flow contacts with impeller hood through outer ring, herein because the needs manufactured, shape and structure more complicated, air-flow easily forms turbulent flow herein, thus affects air-out effect.
Summary of the invention
Of the present inventionly solve prior art to there is air-out effect good not, seal structure complex, fan precision prescribed is high, the problem that running noise is large, and provide a kind of structure simple, air-out effect is good, and fan running is stablized, noise vibration little without blade fan.
The sealing configuration existed in prior art that simultaneously also solves of the present invention easily weares and teares, and working life is not long, changes troublesome problem; Provide a kind of multi-sealing structure, extend working life, change conveniently without blade fan.
The technical solution adopted for the present invention to solve the technical problems is: a kind of without blade fan, comprise base portion, base portion is provided with solar or lunar halo, described base portion comprises a housing, impeller hood is provided with in housing, the two ends of impeller hood are respectively air inlet and air outlet slit, the fan blade being provided with motor and being driven by motor in impeller hood, it is characterized in that: between described housing and impeller hood, form a cavity, the upper end of cavity connects with the inner passage of solar or lunar halo, is provided with flexible seals in the upper end of cavity.The cavity formed between housing and impeller hood has air-flow to pass through, sealing is realized in the upper end of cavity, air-flow can not be flowed through herein again, and herein because be that all parts connects cooperation place, therefore its structure relative complex, easily form turbulent flow, problems would not be there is after Sealing is set, thus make the air-flow of being discharged by exhaust outlet more stable, improve air-out effect, decrease noise simultaneously.
Flexible seals is positioned at the top of cavity, can select to realize sealing between two different components according to different structures.Preferred as one, described solar or lunar halo comprises outer solar or lunar halo and interior solar or lunar halo, above described housing, be connected with outer solar or lunar halo, and described flexible seals is between described impeller hood and outer solar or lunar halo.Outer solar or lunar halo connects with housing, and the shape of outer solar or lunar halo is upwards narrowed by housing, arranges seal ring herein, air-flow is upwards sealed, turbulent flow can not be formed in cavity, simultaneously, due to the detachability between outer solar or lunar halo and shell, when installing Sealing, more convenient replacing adjustment.Sealing is in the past installed, and just need Sealing to install in advance, and when after sealing part abrasion, it is very inconvenient to change, and the components such as impeller chimney all must be removed out when installing complete machine.
Preferred as another kind, outside motor, be provided with silencer cover and cowling, cowling is positioned at the top of silencer cover, and cowling is fixed on impeller hood, and described flexible seals is between described cowling and outer solar or lunar halo.The upper end of cowling is also positioned at cavity and solar or lunar halo exhaust outlet connecting part, between cowling and outer solar or lunar halo, Sealing is set, also the sealing of cavity upper end can be realized, and Sealing is set between cowling and outer solar or lunar halo, the layout of more convenient Sealing, there are enough spaces the upper end of cowling, and Sealing can utilize elastic packaging to realize sealing outward at cowling.
Preferred as another, described flexible seals comprises two-layer seal ring, first layer seal ring between the outer solar or lunar halo above the cowling and housing of motor periphery, between the outer solar or lunar halo of the second seal ring above impeller hood and housing.Arrange double-layer seal, improve sealing effect, also convenient realization is located and is fixed.
As more preferably, described first layer seal ring and second layer seal ring integrated, and first layer seal ring and second layer seal ring are parallel to each other, and the height of first layer seal ring is greater than the height of second layer seal ring.First layer seal ring is positioned on cowling, and need to design according to the shape of solar or lunar halo, the reduced of solar or lunar halo, therefore the height of first layer seal ring is slightly high, and the seal ring of two-layer different heights, and an interval is had between two-layer seal ring, abut different positions, form the multi-layer sealed mechanism be parallel to each other, for the impact of air-flow, can effectively energy-absorbing and stop, the effect of sealing can be improved.Integrated formed structure is simple, and for the Sealing that silica gel material supports, technique is simple, and cost is low.
As preferably, described flexible seals is ring part, flexible seals comprises seal and positioning body, described seal is between outer solar or lunar halo and impeller hood, or Sealing is between outer solar or lunar halo and cowling, described positioning body connects with the upper end portion of impeller hood, and the diameter of described positioning body is greater than the diameter of seal.Seal realizes sealing, and location is carried and being located by Sealing, and impeller hood and cowling are connected, and locating piece are socketed in the periphery of impeller hood, utilize the elasticity of Sealing to be fixed on impeller hood by Sealing.
As more preferably, described positioning body is provided with the positive stop strip extended vertically, and protruding at described impeller hood upper limit, positive stop strip is connected in the restraining groove between adjacent two spacing preiections.Coordinate by positive stop strip and restraining groove the location realized Sealing, utilize the elasticity of Sealing, top Sealing being fixed on cavity realizes sealing simultaneously.Structure is simple, easy-to-operat.
As preferably, form between the interior solar or lunar halo of solar or lunar halo and outer solar or lunar halo and form an annular exhaust outlet, along two ends the first opening end and second opening end respectively of solar or lunar halo axis, nearly second open end is provided with the first outlet air surface and the second outlet air surface, described exhaust outlet is arranged between the first outlet air surface and the second outlet air surface, the airflow direction that described exhaust outlet flows out is towards the first opening end, and the inner passage conducting of described exhaust outlet and solar or lunar halo, the axial cross section of the first outlet air surface is straight line.What adopt be the axial cross section of the first outlet air surface is straight line, in other words, can regard outlet air surface as is that numerous little plain splice forms, that is on air-out direction, do not adopt the form of Coanda surface, but have employed plane form, when making wind-force flow through the first outlet air surface like this, frictional force contrast Coanda surface be less, so wind-force blow far away.Air forms turbulent flow when ejecting exhaust outlet, effectively promotes air-out wind-force, increase wind-force blow and distance.
Therefore, the present invention possesses following advantage: be arranged on by Sealing above cavity that impeller hood and housing formed, be convenient for changing, the air-flow simultaneously avoided in cavity produces turbulent flow, improves the air-out effect of exhaust outlet; Sealing is double-deck simultaneously, is separately positioned between impeller hood and outer solar or lunar halo, also has between cowling and outer solar or lunar halo, improves sealing effect, and conveniently locates and install.
Accompanying drawing explanation
Fig. 1 is the overall structure front view without blade fan of the present invention;
Fig. 2 is the cross-sectional schematic of base portion in Fig. 1;
Fig. 3 is A place enlarged view in Fig. 2;
Fig. 4 is the base portion schematic perspective view in Fig. 1;
Fig. 5 is the front sectional view of flexible seals;
Fig. 6 is the B place enlarged view of Fig. 5;
Fig. 7 is the schematic diagram that in Fig. 1, turbine cover coordinates with flexible seals;
Fig. 8 is the exploded perspective view of Fig. 7;
Fig. 9 is the schematic cross-section of solar or lunar halo;
Figure 10 is the C place enlarged view of Fig. 9;
Figure 11 is the schematic diagram of embodiment 2;
Figure 12 is the schematic diagram of embodiment 3.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1:
As shown in Fig. 1 and 2 and 3, a kind of without blade fan, comprise base portion 1, base portion 1 is provided with solar or lunar halo 23, solar or lunar halo 23 comprises interior solar or lunar halo 2 and outer solar or lunar halo 3.Base portion 1 comprises a columniform housing 4, and outer solar or lunar halo 3 is connected with housing 4.In housing 4, be provided with impeller hood 5, the two ends up and down of impeller hood 5 are respectively air inlet 6 and air outlet slit 7, the fan blade 9 being provided with motor 8 and being driven by motor 8 in impeller hood 5.Outside motor 8, be provided with silencer cover 10, be provided with cowling 11 above silencer cover 10, motor 8 surrounds by cowling 11 and silencer cover 10.The inner ring of cowling 11 connects with silencer cover 10, and the outer ring of cowling 11 connects with impeller hood 5, and housing and 4 outer solar or lunar halo 3 connecting parts are positioned at the below (as shown in Figure 4) of cowling 11 outer ring and impeller hood 5 connecting part.Outer solar or lunar halo 3 is successively decreased to air outlet slit 7 orient diameter by housing 4.At impeller hood 5 and form a cavity 12 between housing 4 and outer solar or lunar halo 3, the flexible seals 13 that a silica gel material manufactures is installed above cavity 12.
As shown in Fig. 5 and 6 and 7 and 8, flexible seals 13 is ring part, and flexible seals 13 comprises seal 14 and positioning body 15, and seal 14 and positioning body 15 are integrated.Seal 14 is two-layer for what be parallel to each other, first layer seal ring 16 is between cowling 11 and outer solar or lunar halo, second seal ring 17 is between impeller hood 5 and outer solar or lunar halo 3, first layer seal ring 16 and second layer seal ring 17 integrated, the height of first layer seal ring 16 is greater than the height of second layer seal ring 17.The upper end portion of first layer seal ring 16 and second layer seal ring 17 is connected on outer solar or lunar halo 3, and the upper end portion of first layer seal ring 16 and second layer seal ring 17 is arc, makes sealing effect better.Positioning body 15 connects with the upper end portion of impeller hood 5, and the diameter of positioning body 15 is greater than the diameter of seal 14.Positioning body 15 is provided with the positive stop strip 18 extended vertically, and in impeller hood 5 upper limit projection 19, positive stop strip 18 is connected in the restraining groove between adjacent two spacing preiections 19.
As shown in Figures 9 and 10, the air outlet slit 7 in base portion is connected with air exhausting structure.Air exhausting structure comprises the inner passage 26 formed by inside and outside solar or lunar halo, and inner passage is connected with air outlet slit 7.The axial two ends of solar or lunar halo are respectively the first opening end 21 and the second opening end 22, solar or lunar halo is provided with the first outlet air surface 31 and the second outlet air surface 32 near the second opening end 22 place, exhaust outlet 30 is arranged between the first outlet air surface 31 and the second outlet air surface 32, exhaust outlet is slot-shaped exhaust outlet, the airflow direction that exhaust outlet 30 flows out is towards the first opening end 31, and exhaust outlet 30 is connected conducting with inner passage 26.The axial cross section of the first outlet air surface 31 is straight line.
Inner passage 26 is made up of outer side wall 24 and madial wall 25, the axial cross section of outer side wall 24 is arc, the axial cross section linearly shape of madial wall 25, madial wall 25 and the axial cross section of outer side wall 24 near the first opening end 21 side be half arc, madial wall 25 and the axial cross section semicircular in shape of outer side wall 24 near the second opening end 22 place.The axial cross section of madial wall 25 arranges turnover wall 27 near the first opening end 21 side, turnover wall 27 one end is connected with madial wall 25, the other end of turnover wall 27 is connected with outer side wall 24, and turnover wall 27 is obtuse angle with the angle of madial wall 25, and turnover wall 27 is acute angle with the angle of madial wall 25.Turnover wall 27 length is much smaller than the length of outer side wall, and namely there is little extending out at the first opening end 21 place, and the area of air-out can be increased, and that also can not reduce wind-force affects distance as far as possible.
Embodiment 2:
As shown in figure 11, a kind of without blade fan, the present embodiment is substantially the same manner as Example 1, and difference is, flexible seals 13 comprises seal 14 and positioning body 15, and seal 14 and positioning body 15 are integrated.Seal 14 is single layer structure, and seal 14 is between cowling 11 and outer solar or lunar halo 3.
Embodiment 3:
As shown in figure 12, a kind of without blade fan, the present embodiment is substantially the same manner as Example 1, and difference is, flexible seals 13 comprises seal 14 and positioning body 15, and seal 14 and positioning body 15 are integrated.Seal 14 is single layer structure, and seal 14 is between impeller hood 5 and outer solar or lunar halo 3.
Above embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (8)
1. one kind without blade fan, comprise base portion, base portion is provided with solar or lunar halo, described base portion comprises a housing, impeller hood is provided with in housing, the two ends of impeller hood are respectively air inlet and air outlet slit, the fan blade being provided with motor and being driven by motor in impeller hood, it is characterized in that: between described housing and impeller hood, form a cavity, the upper end of cavity connects with the inner passage of solar or lunar halo, there is air-flow process in cavity, be provided with flexible seals in the upper end of cavity, air-flow is upwards sealed; Described flexible seals comprises two-layer seal ring, first layer seal ring between the outer solar or lunar halo above the cowling and housing of motor periphery, between the outer solar or lunar halo of second layer seal ring above impeller hood and housing.
2. according to claim 1 without blade fan, it is characterized in that: described solar or lunar halo comprises outer solar or lunar halo and interior solar or lunar halo, above described housing, be connected with outer solar or lunar halo, described flexible seals is between described impeller hood and outer solar or lunar halo.
3. according to claim 1 without blade fan, it is characterized in that: outside motor, be provided with silencer cover and cowling, cowling is positioned at above silencer cover, and cowling is fixed on impeller hood, and described flexible seals is between described cowling and outer solar or lunar halo.
4. according to claim 1 without blade fan, it is characterized in that: described first layer seal ring and second layer seal ring integrated, and first layer seal ring and second layer seal ring are parallel to each other, the height of first layer seal ring is greater than the height of second layer seal ring.
5. according to Claims 1-4 any one without blade fan, it is characterized in that: described flexible seals is ring part, flexible seals comprises seal and positioning body, described seal is between outer solar or lunar halo and impeller hood, or Sealing is between outer solar or lunar halo and cowling, described positioning body connects with the upper end of impeller hood, and the diameter of described positioning body is greater than the diameter of seal.
6. according to claim 5 without blade fan, it is characterized in that: described positioning body is provided with the positive stop strip extended vertically, described impeller hood is provided with spacing preiection, positive stop strip is connected in the restraining groove between two adjacent spacing preiections.
7. according to Claims 1-4 any one without blade fan, it is characterized in that: form between the interior solar or lunar halo of solar or lunar halo and outer solar or lunar halo and form an annular exhaust outlet, two ends along solar or lunar halo axis are respectively the first opening end and the second opening end, nearly second open end is provided with the first outlet air surface and the second outlet air surface, described exhaust outlet is arranged between the first outlet air surface and the second outlet air surface, the airflow direction that described exhaust outlet flows out is towards the first opening end, the inner passage conducting of described exhaust outlet and solar or lunar halo, the axial cross section of the first outlet air surface is straight line.
8. according to claim 6 without blade fan, it is characterized in that: form between the interior solar or lunar halo of solar or lunar halo and outer solar or lunar halo and form an annular exhaust outlet, two ends along solar or lunar halo axis are respectively the first opening end and the second opening end, nearly second open end is provided with the first outlet air surface and the second outlet air surface, described exhaust outlet is arranged between the first outlet air surface and the second outlet air surface, the airflow direction of described exhaust outlet flow process is towards the first opening end, the inner passage conducting of described exhaust outlet and solar or lunar halo, the axial cross section of the first outlet air surface is straight line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492387.8A CN102996476B (en) | 2012-11-14 | 2012-11-14 | Without blade fan |
| PCT/CN2013/070399 WO2014075399A1 (en) | 2012-11-14 | 2013-01-13 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492387.8A CN102996476B (en) | 2012-11-14 | 2012-11-14 | Without blade fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996476A CN102996476A (en) | 2013-03-27 |
| CN102996476B true CN102996476B (en) | 2015-10-14 |
Family
ID=47925457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210492387.8A Expired - Fee Related CN102996476B (en) | 2012-11-14 | 2012-11-14 | Without blade fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102996476B (en) |
| WO (1) | WO2014075399A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100497B (en) * | 2013-04-08 | 2016-04-20 | 任文华 | Fan |
| JP6515328B2 (en) * | 2015-03-26 | 2019-05-22 | パナソニックＩｐマネジメント株式会社 | Air blower |
| CN106949075A (en) * | 2016-01-07 | 2017-07-14 | 宁波小恐龙电器有限公司 | A kind of air cleaning bladeless fan |
| CN106762777B (en) * | 2016-11-15 | 2019-07-02 | 美的集团股份有限公司 | Pedestal and bladeless fan |
| CN107120313B (en) * | 2017-05-26 | 2023-06-20 | 小鹿科技(重庆)有限公司 | Novel bladeless fan |
| CN107489653A (en) * | 2017-09-30 | 2017-12-19 | 广东美的环境电器制造有限公司 | Bladeless fan and head |
| GB2575066B (en) | 2018-06-27 | 2020-11-25 | Dyson Technology Ltd | A nozzle for a fan assembly |
| GB2575064B (en) * | 2018-06-27 | 2021-06-09 | Dyson Technology Ltd | A nozzle for a fan assembly |
| GB2575063B (en) * | 2018-06-27 | 2021-06-09 | Dyson Technology Ltd | A nozzle for a fan assembly |
| GB2578617B (en) | 2018-11-01 | 2021-02-24 | Dyson Technology Ltd | A nozzle for a fan assembly |
| WO2021088775A1 (en) * | 2019-11-08 | 2021-05-14 | 追觅科技(上海)有限公司 | Sealed damping device and bladeless fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386845B1 (en) * | 1999-08-24 | 2002-05-14 | Paul Bedard | Air blower apparatus |
| CN101825105A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN102135105A (en) * | 2010-01-27 | 2011-07-27 | 益阳市拓达电器有限公司 | Blade-free fan |
| CN102400929A (en) * | 2010-09-07 | 2012-04-04 | 戴森技术有限公司 | Fan |
| CN202267207U (en) * | 2010-08-06 | 2012-06-06 | 戴森技术有限公司 | Fan assembly |
| CN203161566U (en) * | 2012-11-14 | 2013-08-28 | 胡晓存 | Bladeless fan structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201627736U (en) * | 2010-01-27 | 2010-11-10 | 罗兆素 | Bladeless fan |
| CN201786694U (en) * | 2010-04-30 | 2011-04-06 | 蒋周乾 | Suction-exhaust type electric fan with hidden blades |
| CN202165332U (en) * | 2011-07-12 | 2012-03-14 | 任文华 | Vaneless fan |
| CN102287357A (en) * | 2011-09-02 | 2011-12-21 | 应辉 | Fan assembly |
| CN202468375U (en) * | 2012-03-06 | 2012-10-03 | 深圳诺华数码电子有限公司 | Bladeless fan and side stream blower device thereof |
| CN102840161B (en) * | 2012-06-28 | 2015-01-21 | 胡晓存 | Blade-free fan component |
-
2012
- 2012-11-14 CN CN201210492387.8A patent/CN102996476B/en not_active Expired - Fee Related
-
2013
- 2013-01-13 WO PCT/CN2013/070399 patent/WO2014075399A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386845B1 (en) * | 1999-08-24 | 2002-05-14 | Paul Bedard | Air blower apparatus |
| CN101825105A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN102135105A (en) * | 2010-01-27 | 2011-07-27 | 益阳市拓达电器有限公司 | Blade-free fan |
| CN202267207U (en) * | 2010-08-06 | 2012-06-06 | 戴森技术有限公司 | Fan assembly |
| CN102400929A (en) * | 2010-09-07 | 2012-04-04 | 戴森技术有限公司 | Fan |
| CN203161566U (en) * | 2012-11-14 | 2013-08-28 | 胡晓存 | Bladeless fan structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014075399A1 (en) | 2014-05-22 |
| CN102996476A (en) | 2013-03-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| 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: 20151014 Termination date: 20171114 |