CN103225631B - Without blade fan and for the nozzle without blade fan - Google Patents
Without blade fan and for the nozzle without blade fan Download PDFInfo
- Publication number
- CN103225631B CN103225631B CN201210019668.1A CN201210019668A CN103225631B CN 103225631 B CN103225631 B CN 103225631B CN 201210019668 A CN201210019668 A CN 201210019668A CN 103225631 B CN103225631 B CN 103225631B
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- China
- Prior art keywords
- nozzle
- point
- oblique position
- blade fan
- air
- 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
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Classifications
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- 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
-
- 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
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
-
- 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
-
- 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
- F04F5/461—Adjustable nozzles
-
- 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
- F04F5/48—Control
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
For generation of air stream without blade fan, it is characterized in that, describedly comprise base without blade fan and be arranged on nozzle on described base, described nozzle comprises first point of nozzle and second point of nozzle, second point of nozzle can relative to first point of nozzle never oblique position to oblique position, first point of nozzle and second point of nozzle all have the internal cavities for accepting air-flow and the mouth for launching air-flow, the internal cavities of first point of nozzle is communicated with the internal cavities of second point of nozzle, first point of nozzle and second point of nozzle define opening, described opening is aspirated through by the air-flow launched from mouth from the air without blade fan outside.The features such as without blade fan, this kind has that the angle that can tilt is large, good stability and overall appearance.
Description
Technical field
The present invention relates to a kind of produce air stream without blade fan with for the nozzle without blade fan.
Background technique
Without the rotation blade that blade fan does not expose owing to producing stable air-flow, be thus subject to liking of people.On September 8th, 2010 notification number be CN101825104A Chinese patent application (application number: 201010129999.1) disclose a kind of for generation of air stream without blade fan, this kind of fan comprises: base and the nozzle be arranged on base, this base comprises main body and base portion, this main body can relative to base portion never oblique position to oblique position, each in this main body and base portion has outer surface, when main body be in not oblique position time, the anastomosis part of described outer surface is substantially flush.The angle that this kind can tilt without blade fan less and when being in oblique position its stability and overall appearance poor, therefore have much room for improvement or optimize.
Summary of the invention
A first aspect of the present invention be to provide-kind of stability and overall appearance be all preferably without blade fan.This kind for generation of air stream without blade fan, it is characterized in that, describedly comprise base without blade fan and be arranged on nozzle on described base, second point of nozzle that described nozzle comprises first point of nozzle and is connected with described first point of nozzle, described second point of nozzle can relative to described first point of nozzle never oblique position to oblique position, described first point of nozzle and described second point of nozzle all have the internal cavities for accepting air-flow and the mouth for launching air-flow, the internal cavities of described first point of nozzle is communicated with the internal cavities of described second point of nozzle, described first point of nozzle and described second point of nozzle define opening, described opening is aspirated through by the air-flow launched from mouth from the air without blade fan outside.
Preferably, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle.
In a preferred embodiment, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, and the two ends of the internal cavities of described second point of nozzle are communicated with the internal cavities of described first point of nozzle respectively.
In another preferred embodiment, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, described first point of nozzle and described second point of nozzle all have outer surface, described outer surface is so shaped that, when second point of nozzle relative to described first point of nozzle be in not oblique position time, the anastomosis part of described outer surface is roughly fair.
Described first point of nozzle can also comprise the pipe of hollow, and described second point of nozzle can rotate around described pipe.
Usually, the angle that described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle is less than ± and 45 °.Here be in vertical orientation for benchmark with first point of nozzle, the angle of the angle band positive sign forwards rotated represents, and the angle of the angle band negative sign rearward rotated represents; Preferably, described second point of nozzle relative to the angle of described first point of nozzle rotation be less than ± 15 °.
Usually, the length of the internal cavities of described second point of nozzle is greater than the length of the internal cavities of described first point of nozzle; Preferably, the length of the internal cavities of described second point of nozzle is more than 3 times of the length of the internal cavities of described first point of nozzle; More preferably, the length of the internal cavities of described second point of nozzle is more than 5 times of the length of the internal cavities of described first point of nozzle.
Preferably, described base comprises the motor of the impeller chimney arranged in described base, the impeller being positioned at impeller chimney and drives impeller rotation work; Described motor can be DC brushless motor, also can be AC motor; Described impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller.
A second aspect of the present invention be to provide-kind for the nozzle without blade fan.This kind is for the nozzle without blade fan, it is characterized in that, second point of nozzle that described nozzle comprises first point of nozzle and is connected with described first point of nozzle, described second point of nozzle can relative to described first point of nozzle never oblique position to oblique position, described first point of nozzle and described second point of nozzle all have the internal cavities for accepting air-flow and the mouth for launching air-flow, the internal cavities of described first point of nozzle is communicated with the internal cavities of described second point of nozzle, described first point of nozzle and described second point of nozzle define opening, described opening is aspirated through by the air-flow launched from mouth from the air without blade fan outside.
Preferably, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle.
In a preferred embodiment, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, and the two ends of the internal cavities of described second point of nozzle are communicated with the internal cavities of described first point of nozzle respectively.
In another preferred embodiment, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, described first point of nozzle and described second point of nozzle all have outer surface, described outer surface is so shaped that, when second point of nozzle relative to described first point of nozzle be in not oblique position time, the anastomosis part of described outer surface is roughly fair.
The above-mentioned feature about first aspect present invention is also applied to a second aspect of the present invention equally, and vice versa.
The present invention has following good effect: of the present invention without blade fan with for the nozzle without blade fan, due to can relative tilt or rotation between first point of nozzle of its nozzle and second point of nozzle, and the angle of its inclination or rotation is larger, the air-out direction without blade fan or nozzle can be changed like this, to meet the different usage requirements of user in a big way; In addition, the overall weight of its nozzle is less relative to base, and second point of nozzle is relative to first point of nozzle when being in oblique position, and its stability is better; Further, of the present invention without blade fan and nozzle when being in oblique position and non-oblique position, its entirety is more attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation without blade fan of the present invention.
Fig. 2 is the structural representation of the nozzle without blade fan shown in figure l.
Fig. 3 is the structural representation of first point of nozzle of the nozzle shown in Fig. 2.
Fig. 4 is the side view of point nozzle of first shown in Fig. 3.
Fig. 5 is the structural representation of second point of nozzle of the nozzle shown in Fig. 2.
Fig. 6 is the side view without blade fan shown in figure l.
Fig. 7 is along the sectional view intercepted without A-A line of blade fan shown in Fig. 6.
Fig. 8 be shown in Fig. 1 without the side view of blade fan when second point of nozzle turns to forward a certain position relative to first point of nozzle.
Fig. 9 be shown in Fig. 1 without the side view of blade fan when second point of nozzle rotates back to a certain position relative to first point of nozzle.
Figure 10 is the structural representation of second embodiment without blade fan of the present invention.
Figure 11 is the structural representation of the 3rd embodiment without blade fan of the present invention.
Embodiment
Figure l is the structural representation without blade fan of the present invention from device forward observation, Fig. 2 is the structural representation of the nozzle without blade fan shown in figure l, Fig. 3 is the structural representation of first point of nozzle of the nozzle shown in Fig. 2, Fig. 4 is the side view of point nozzle of first shown in Fig. 3, Fig. 5 is the structural representation of second point of nozzle of the nozzle shown in Fig. 2, Fig. 6 is the side view without blade fan shown in figure l, and Fig. 7 is along the sectional view intercepted without A-A line of blade fan shown in Fig. 6.
In as can be seen from Fig. 1 to Fig. 7, the nozzle 2 that this kind comprises base 1 without blade fan and be arranged on base 1; Nozzle 2 comprises first point of nozzle 2a and second point nozzle 2b, first point of nozzle 2a and second point of nozzle 2b has the internal cavities 7 for accepting air-flow and the mouth 8 for launching air-flow, the internal cavities of first point of nozzle 2a is communicated with the internal cavities of second point of nozzle 2b, and first point of nozzle 2a and second point of nozzle 2b together defines the circular open 6 about first axle X symmetry; Base 1 comprises main body 4 and base portion 3, and main body 4 comprises the impeller chimney 10 be arranged in main body, the impeller 11 being positioned at impeller chimney, the motor 12 of drives impeller 11 rotation work and the intake grill 5 that is arranged on main body 4 sidewall.
Can also be clear that from Fig. 3 and Fig. 4, first point of nozzle 2a also comprises the pipe 9 of two hollows paralleling setting with the second axis Y.The two ends of second point of nozzle 2b are respectively arranged with circular intake grill (not shown in FIG.), the pipe 9 of two hollows on the intake grill that two of second point of nozzle 2b two ends are circular and first point of nozzle 2a is rotationally connected, the internal cavities of the internal cavities of first point of nozzle 2a and second point of nozzle 2b is interconnected, and second point of nozzle 2b can be rotated around the pipe 9 of two of a first point of nozzle 2a hollow, thus make second point of nozzle 2b can relative to first point of nozzle 2a never oblique position to oblique position, to change the air-out direction without blade fan or nozzle.
In the present embodiment, between the pipe 9 of two hollows and second point of nozzle 2b, being also provided with Sealing (not shown in FIG.), the angle that second point of nozzle 2b can rotate relative to first point of nozzle 2a be less than ± and 30 °.
Fig. 8 be shown in Fig. 1 without the side view of blade fan when second point of nozzle turns to forward a certain position relative to first point of nozzle, Fig. 9 be shown in Fig. 1 without the side view of blade fan when second point of nozzle rotates back to a certain position relative to first point of nozzle.Easily find out from Fig. 8 and Fig. 9, second point of nozzle 2b is after the pipe 9 of two hollows of first point of nozzle 2a rotates, the air-out direction of nozzle 2 can be made to change on vertical plane, and under various using state, no matter whether second point of relative first point of nozzle 2a of nozzle 2b is in oblique position, and its overall appearance without blade fan is all better.
During apparatus of the present invention work, the intake grill 5 of air from main body 4 sidewall being arranged on base 1 enters in main body 4, what be positioned at main body includes impeller chimney 10, the air entered is converted to high pressure draught by the air flow-producing device of impeller 11 and motor 12, this high pressure draught is admitted in the inner passage 7 of first point of nozzle 2a and second point nozzle 2b, and the air-flow that inner passage 7 receives is launched by mouth 8, from without blade fan outside air by from mouth 8 the air-flow launched be aspirated through opening 6, the air-flow launched from mouth 8 forms with the air-flow be sucked the total air flow exported forward, second point of nozzle 2b is relative to the rotation of first point of nozzle 2a or inclination, the orientation of the total air flow that nozzle 2 exports can be changed, to meet the different requirements of user.
In the present embodiment, main body 4 can swing around the rotating shaft paralleled with the 3rd axis Z relative to base portion 3, and the air-out direction of nozzle 2 can be made like this to change in the horizontal plane.
Figure 10 shows second embodiment of the present invention.As can be seen from Figure 10, the embodiment of first shown in this embodiment to Fig. 1 is similar.Just the shape of first point of nozzle 2a is different, and in the present embodiment, the surface that first point of nozzle 2a is positioned at mouth 8 downstream is roughly plane.
Figure 11 shows the 3rd embodiment of the present invention.As can be seen from Figure 11, the embodiment of first shown in this embodiment to Fig. 1 is also similar.In the present embodiment, first point of nozzle 2a is less than the width of base 1 along the second axis Y-direction along the width of the second axis Y-direction; And in FIG, first point of nozzle 2a equals the width of base 1 along the second axis Y-direction along the width of the second axis Y-direction.
Although shown and described and thought preferred embodiments of the invention at present, obviously, those skilled in the art can carry out various changes and improvements, and does not deviate from scope of the present invention as defined in appended claims.
Claims (10)
1. one kind for generation of air stream without blade fan, it is characterized in that, describedly comprise base (1) without blade fan and be arranged on the nozzle (2) on described base, second point of nozzle (2b) that described nozzle comprises first point of nozzle (2a) and is connected with described first point of nozzle, described second point of nozzle can relative to described first point of nozzle never oblique position to oblique position, described first point of nozzle and described second point of nozzle all have the internal cavities (7) for accepting air-flow and the mouth (8) for launching air-flow, the internal cavities of described first point of nozzle is communicated with the internal cavities of described second point of nozzle, described first point of nozzle and described second point of nozzle define opening (6), described opening is aspirated through by the air-flow launched from mouth from the air without blade fan outside.
2. as described in claim l without blade fan, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle.
3. as described in claim l without blade fan, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, and the two ends of the internal cavities of described second point of nozzle are communicated with the internal cavities of described first point of nozzle respectively.
4. as described in claim l without blade fan, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, described first point of nozzle and described second point of nozzle all have outer surface, described outer surface is so shaped that, when second point of nozzle relative to described first point of nozzle be in not oblique position time, the anastomosis part of described outer surface is roughly fair.
5. as described in one of claim 2 to 4 without blade fan, it is characterized in that, described first point of nozzle also comprises the pipe (9) of hollow, and described second point of nozzle can rotate around described pipe.
6. as described in one of claim 2 to 4 without blade fan, it is characterized in that, the angle that described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle is less than ± 45 °.
7. one kind for the nozzle without blade fan, it is characterized in that, second point of nozzle (2b) that described nozzle comprises first point of nozzle (2a) and is connected with described first point of nozzle, described second point of nozzle can relative to described first point of nozzle never oblique position to oblique position, described first point of nozzle and described second point of nozzle all have the internal cavities (7) for accepting air-flow and the mouth (8) for launching air-flow, the internal cavities of described first point of nozzle is communicated with the internal cavities of described second point of nozzle, described first point of nozzle and described second point of nozzle define opening (6), described opening is aspirated through by the air-flow launched from mouth from the air without blade fan outside.
8. nozzle as claimed in claim 7, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle.
9. nozzle as claimed in claim 7, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, and the two ends of the internal cavities of described second point of nozzle are communicated with the internal cavities of described first point of nozzle respectively.
10. nozzle as claimed in claim 7, it is characterized in that, described second point of nozzle never can rotate between oblique position to oblique position relative to described first point of nozzle, described first point of nozzle and described second point of nozzle all have outer surface, described outer surface is so shaped that, when second point of nozzle relative to described first point of nozzle be in not oblique position time, the anastomosis part of described outer surface is roughly fair.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417361.6A CN104295537B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
| CN201210019668.1A CN103225631B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210019668.1A CN103225631B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410417361.6A Division CN104295537B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103225631A CN103225631A (en) | 2013-07-31 |
| CN103225631B true CN103225631B (en) | 2015-12-02 |
Family
ID=48836207
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410417361.6A Active CN104295537B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
| CN201210019668.1A Expired - Fee Related CN103225631B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410417361.6A Active CN104295537B (en) | 2012-01-28 | 2012-01-28 | Without blade fan and for the nozzle without blade fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104295537B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990172A (en) * | 2015-07-08 | 2015-10-21 | 冯林 | Intelligent air purification device with dehumidification function |
| CN104949248A (en) * | 2015-07-08 | 2015-09-30 | 冯林 | Temperature adjusting device with intelligent dehumidification function and air purification function |
| CN105157120B (en) * | 2015-07-22 | 2017-12-05 | 施淑琴 | Intelligent and high-efficiency hygroscopic machine |
| CN108131740B (en) * | 2015-07-29 | 2019-11-29 | 台州云造智能科技有限公司 | A kind of fan and its working method |
| CN107631393B (en) * | 2015-07-29 | 2019-12-10 | 广东百朗新风系统有限公司 | Air purification method with air energy dehumidification function |
| CN105715520A (en) * | 2016-04-16 | 2016-06-29 | 任文华 | Fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010203445A (en) * | 2009-03-04 | 2010-09-16 | Dyson Technology Ltd | Fan assembly |
| CN201771875U (en) * | 2010-09-07 | 2011-03-23 | 李德正 | No-blade fan |
| CN201874898U (en) * | 2010-10-29 | 2011-06-22 | 李德正 | Fan without blades |
| WO2011132855A2 (en) * | 2010-04-23 | 2011-10-27 | 에스앤지 주식회사 | Bladeless air blower for air circulation |
| CN202545381U (en) * | 2012-01-28 | 2012-11-21 | 任文华 | Bladeless fan and nozzle for same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2452490A (en) * | 2007-09-04 | 2009-03-11 | Dyson Technology Ltd | Bladeless fan |
| ATE512304T1 (en) * | 2009-03-04 | 2011-06-15 | Dyson Technology Ltd | BLOWER ARRANGEMENT |
| GB2468318A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly with silencing member |
-
2012
- 2012-01-28 CN CN201410417361.6A patent/CN104295537B/en active Active
- 2012-01-28 CN CN201210019668.1A patent/CN103225631B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010203445A (en) * | 2009-03-04 | 2010-09-16 | Dyson Technology Ltd | Fan assembly |
| WO2011132855A2 (en) * | 2010-04-23 | 2011-10-27 | 에스앤지 주식회사 | Bladeless air blower for air circulation |
| CN201771875U (en) * | 2010-09-07 | 2011-03-23 | 李德正 | No-blade fan |
| CN201874898U (en) * | 2010-10-29 | 2011-06-22 | 李德正 | Fan without blades |
| CN202545381U (en) * | 2012-01-28 | 2012-11-21 | 任文华 | Bladeless fan and nozzle for same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104295537A (en) | 2015-01-21 |
| CN104295537B (en) | 2016-02-24 |
| CN103225631A (en) | 2013-07-31 |
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Effective date of registration: 20160722 Address after: 310052 room 2, unit 3, building 1402, benevolence garden, Hangzhou, Binjiang District, Zhejiang Patentee after: Xu Jiqiong Address before: 310052 Hangzhou City, Binjiang District Province, No., Shing Road, Garden Court, building 2, room 3, unit 1402, room 3191 Patentee before: Ren Wenhua |
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Effective date of registration: 20161028 Address after: 310052 room 2, unit 3, building 1402, benevolence garden, Hangzhou, Binjiang District, Zhejiang Patentee after: Ren Wenhua Address before: 310052 room 2, unit 3, building 1402, benevolence garden, Hangzhou, Binjiang District, Zhejiang Patentee before: Xu Jiqiong |
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Granted publication date: 20151202 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |