CN103216429A - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
- Publication number
- CN103216429A CN103216429A CN2013101588444A CN201310158844A CN103216429A CN 103216429 A CN103216429 A CN 103216429A CN 2013101588444 A CN2013101588444 A CN 2013101588444A CN 201310158844 A CN201310158844 A CN 201310158844A CN 103216429 A CN103216429 A CN 103216429A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- blade fan
- base
- department
- air flow
- 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
Images
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 invention discloses a bladeless fan which comprises a base (1), a nozzle (2) and an airflow generating device (16), wherein the nozzle (2) is connected with the base (1) and the airflow generating device (16) is located inside the base (1). The nozzle (2) comprises an inlet part (5). The airflow generating device comprises an outlet part. The bladeless fan is characterized by further comprising a hose (10) or a sealing component part, wherein the hose (10) or the sealing component part is located between the inlet part of the nozzle and the outlet part of the airflow generating device.
Description
The application be that September 27, application number in 2011 are 201110289548.9 the applying date, denomination of invention divides an application for the patent application of " no blade fan ".
Technical field
The present invention relates to a kind of no blade fan that produces air stream.
Background technique
The rotation blade that no blade fan does not expose owing to can produce air-flow stably, thereby be subjected to liking of people.The Chinese patent application that on September 8th, 2010, notification number was CN101825104A (application number: 201010129999.1) disclose a kind of no blade fan that is used to produce air stream, the no blade fan of this kind comprises: be installed in the nozzle on the base, this base comprises base portion and main body, this main body can tilt with respect to base portion, in this base portion and the main body each has outer surface, it is so shaped that, when main body was in not oblique position, the anastomosis part of outer surface was substantially flush.Therefore the no blade fan of this kind is toppled over when main body is in oblique position easily, and overall appearance is not good, haves much room for improvement or optimizes.
Summary of the invention
The present invention aims to provide a kind of improved no blade fan, to overcome above-mentioned defective of the prior art.
The objective of the invention is to provide-kind of stability do not have blade fan preferably, another object of the present invention be to provide-kind be in and during non-oblique position its outward appearance all do not have blade fan preferably.According to the present invention, be used to produce the no blade fan of air stream, it is characterized in that, the rotating shaft that described no blade fan comprises base, parallel with axis, the nozzle that is connected with described base by described rotating shaft and the air flow-producing device that is positioned at described base, described nozzle comprises import department, described air flow-producing device comprises export department, the import department of described nozzle carries out tightness with the export department of described air flow-producing device and is connected, and described nozzle can be with respect to described base around described rotating shaft rotating certain angle.
Preferably, described air flow-producing device comprises impeller chimney, and described impeller chimney comprises export department, and the import department of described nozzle carries out tightness with the export department of described impeller chimney and is connected.
In a preferred embodiment, described no blade fan also comprises the flexible pipe between the export department of the import department of described nozzle and described air flow-producing device, and the import department of described nozzle carries out tightness by described flexible pipe with the export department of described air flow-producing device and is connected.
In another preferred embodiment, described no blade fan also comprises the flexible pipe between the export department of the import department of described nozzle and described air flow-producing device, described air flow-producing device comprises impeller chimney, described impeller chimney comprises export department, and the import department of described nozzle carries out tightness by described flexible pipe with the export department of described impeller chimney and is connected.
In yet another preferred embodiment, described no blade fan also comprises the sealing component between the export department of the import department of described nozzle and described air flow-producing device, and the import department of described nozzle carries out tightness by sealing component with the export department of described air flow-producing device and is connected.
Preferably, described nozzle in rotation process and in the nonrotational process all with described base fluid-tight engagement.Common described nozzle and described base in the gap of junction point less than 3 millimeters, preferably less than 2 millimeters, more preferably less than 1 millimeter.
In a preferred embodiment, described base comprises export department, the import department of described nozzle in rotation process and in the nonrotational process all with export department's fluid-tight engagement of described base.
In another preferred embodiment, described base comprises export department, and the import department of described nozzle has at least part to be positioned at the inside of the export department of described base.
In yet another preferred embodiment, described base comprises export department, the import department of described nozzle has at least part to be positioned at the inside of the export department of described base, the import department of described nozzle comprises outer surface, the export department of described base comprises internal surface, described outer surface and described internal surface fluid-tight engagement.
The import department of described nozzle comprises import, and described import comprises rectangular inlet, circular import; The export department of described base comprises outlet, and described outlet comprises rectangle outlet, round exit.
The import department of described nozzle comprises outer surface, and described outer surface comprises cylindrical outer surface, ball shape outer surface; The export department of described base comprises internal surface, and described internal surface comprises cylindrical internal surface, ball shape internal surface; Described impeller chimney comprises cylindrical outer surface, ball shape outer surface.
The angle that described nozzle can rotate around described rotating shaft with respect to described base is usually less than ± 30, here be to be in not with nozzle with respect to base that oblique position is a benchmark, forwards the angle of Zhuan Donging is represented with the angle of band positive sign, and rearward the angle of Zhuan Donging is represented with the angle of band negative sign.Preferably, the angle that can rotate around described rotating shaft with respect to described base of described nozzle is less than ± 15 °.
Described rotating shaft can be fixed on the described nozzle, and described base is rotationally connected by described rotating shaft and described nozzle; Described rotating shaft can be fixed on the described base, and described nozzle is rotationally connected by described rotating shaft and described base; Described rotating shaft also can be rotationally connected with described base and described nozzle simultaneously; Described rotating shaft can comprise a rotating shaft, for example comprises two rotating shafts.
Described air flow-producing device comprises impeller chimney, is positioned at the impeller of impeller chimney and the motor of drives impeller rotation work; Described air flow-producing device can also comprise the diffuser that is arranged on impeller chimney export department downstream; Described motor can be a dc brushless motor, also can be AC motor; Described impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller.
Described flexible pipe comprises rubber hose; Described sealing component comprises seal ring; Described seal ring comprises the rubber seal with rectangular aperture, the rubber seal with circular open.
In a preferred embodiment, the inner passage of described nozzle constitutes the loop of a closure, and described nozzle limits an opening, from the fan air outside by from the air-flow entrainment of described relief opening emission by described opening; In another preferred embodiment, the inner passage of described nozzle constitutes the loop of a plurality of closures, and described nozzle limits a plurality of openings, from the fan air outside by from the air-flow entrainment of described relief opening emission by described opening; In yet another preferred embodiment, described nozzle comprises inner housing part and frame part, and described inner housing part and frame part limit described inner passage and described relief opening together.
The present invention has following good effect:
No blade fan of the present invention, nozzle can rotate with respect to base, can make state that the air-out direction of nozzle is in different inclinations satisfying user's different requirements, and in rotation process, because pedestal is motionless all the time, thereby its stability is better; Overall structure of the present invention in addition is all comparatively attractive in appearance when nozzle is in oblique position and non-oblique position; Also have engaging between nozzle of the present invention and the base not have bubble-tight requirement, produce in batches easily.
Description of drawings
Figure l is the schematic representation of the no blade fan of the present invention seen from the place ahead.
Fig. 2 is the side view of the no blade fan shown in the figure l.
Fig. 3 is the sectional view that A-the A line is intercepted along the no blade fan shown in the figure l.
Fig. 4 is the side view of no blade fan when turning forward shown in Figure 1.
Fig. 5 is the side view of no blade fan when receding shown in Figure 1.
Fig. 6 is second an embodiment's of the present invention schematic representation.
Embodiment
Figure l is that Fig. 2 is the side view of the no blade fan shown in the figure l from the structural representation of the no blade fan of the present invention of device forward observation, and Fig. 3 is the sectional view that A-the A line is intercepted along the no blade fan shown in the figure l.From Fig. 1, Fig. 2 and Fig. 3, can see, the rotating shaft 12 that the no blade fan of this kind comprises base 1, parallel with axis Y, the nozzle 2 that is connected with base 1 by rotating shaft 12 and the air flow-producing device 16 that is positioned at base 1, nozzle 2 comprises the import department 5 of air-flow inflow place that is positioned at nozzle, air flow-producing device 16 comprises the import department of air-flow inflow place that is positioned at air flow-producing device and is positioned at the export department in the air flow stream source of air flow-producing device, the import department 5 of nozzle and export department's sealing and fixing of air flow-producing device 16, nozzle 2 can 12 rotate around the shaft with respect to base 1.In the present embodiment, rotating shaft 12 has two rotating shafts, and they are separately positioned on the position, both sides of base 1.
Can be clear that from Fig. 1 nozzle 2 is in the position that do not tilt with respect to base 1, promptly nozzle 2 and base 1 all are in the state of the Z that parallels to the axis; Nozzle 2 comprises inner passage 3, relief opening 4 with annular and about the opening 6 of axis X symmetry; Base 1 has cylindrical outer shape, and it comprises main body 7 and is positioned at base portion 9 below the main body; Main body 7 comprises shell and the intake grill 8 that is arranged on the shell.
Can be clear that from Fig. 3 air flow-producing device 16 comprises impeller chimney 14, is arranged at motor 13 and impeller 15 in the impeller chimney 14, the export department of impeller chimney 14 and the import department of nozzle 5 sealing and fixing.Find out easily also that from Fig. 3 the outer surface of the import department 5 of nozzle 2 comprises the outer surface of ball shape, export department's fluid-tight engagement of the outer surface of this ball shape and base 1, in the present embodiment, the gap of this junction point is less than 1 millimeter.
Fig. 4 is the side view of no blade fan when turning forward shown in Figure 1, and Fig. 5 is the side view of no blade fan when receding shown in Figure 1.From Fig. 4 and Fig. 5 as can be seen, nozzle 2 around the shaft 12 rotate with respect to base 1 after, can make nozzle 2 be in the position of different inclinations with respect to base 1.In Fig. 4, nozzle 2 is in the position that turns forward; In Fig. 5, nozzle 2 is in sweptback position.
During apparatus of the present invention work, air enters in the base 1 from the intake grill 8 of base 1, the air flow-producing device that is positioned at base is converted to high pressure draught with the air that enters, this high pressure draught is admitted in the inner passage 3 of nozzle 2, and the air communication that inner passage 3 is received is crossed relief opening 4 and is launched, entrainmented by opening 6 by the air-flow of launching from relief opening from no blade fan air outside, constitute the total air flow of output forward from relief opening 4 air-flow of being launched and the air-flow that is entrainmented, nozzle 2 is with respect to the rotation of base 1, can change the orientation of the total air flow that nozzle 2 exported, to satisfy user's different requirements.
Fig. 6 has showed second embodiment of the present invention.Fig. 6 is very similar to Fig. 3 of first embodiment, just the no blade fan of present embodiment is many one section flexible pipe 10, this flexible pipe 10 is between the export department of the import department 5 of nozzle 2 and air flow-producing device 16, the import department 5 of nozzle 2 realizes that with air flow-producing device 16 tightness is connected by flexible pipe 10 like this, in the present embodiment, flexible pipe 10 is the flexible pipe of rubber material manufacturing.
Although showed and described and thought preferred embodiments of the invention at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that is limited by appended claims.
Claims (10)
1. no blade fan that is used to produce air stream, described no blade fan comprises base (1), the nozzle (2) that is connected with described base, the air flow-producing device (16) that is positioned at described base, described nozzle comprises import department (5), described air flow-producing device comprises export department, it is characterized in that described no blade fan also comprises flexible pipe (10) or the sealing component between the export department of the import department of described nozzle and described air flow-producing device.
2. as the described no blade fan of claim l, it is characterized in that, described nozzle also comprises inner passage (3) and relief opening (4), and the import department of described nozzle carries out tightness by described flexible pipe or described sealing component with the export department of described air flow-producing device and is connected.
3. as the described no blade fan of claim l, it is characterized in that described air flow-producing device comprises impeller chimney (14) and is positioned at the impeller (15) of described impeller chimney and the motor (13) of the described wheel rotation work of driving.
4. as the described no blade fan of claim l, it is characterized in that, described air flow-producing device comprises impeller chimney and is positioned at the impeller of described impeller chimney and the motor of the described wheel rotation work of driving, described impeller chimney comprises export department, and described flexible pipe or described sealing component are between the export department of the import department of described nozzle and described impeller chimney.
5. as the described no blade fan of claim l, it is characterized in that, described air flow-producing device comprises impeller chimney and is positioned at the impeller of described impeller chimney and the motor of the described wheel rotation work of driving, described impeller chimney comprises export department, described flexible pipe or described sealing component are between the export department of the import department of described nozzle and described impeller chimney, and the import department of described nozzle carries out tightness by described flexible pipe or described sealing component with the export department of described impeller chimney and is connected.
6. as the described no blade fan of one of claim l to 5, it is characterized in that described flexible pipe comprises rubber hose.
7. as the described no blade fan of one of claim l to 5, it is characterized in that described sealing component comprises seal ring.
8. as the described no blade fan of one of claim l to 5, it is characterized in that described sealing component comprises rubber seal.
9. as the described no blade fan of one of claim l to 5, it is characterized in that, described no blade fan also comprises the rotating shaft (12) that parallels with axis (Y), and described nozzle is connected with described base by described rotating shaft, and described nozzle can be with respect to described base around described rotating shaft rotating certain angle.
10. no blade fan as claimed in claim 9 is characterized in that described base comprises export department, and the import department of described nozzle has at least part to be positioned at the inside of the export department of described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101588444A CN103216429A (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101588444A CN103216429A (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110289548 Division CN103016314A (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103216429A true CN103216429A (en) | 2013-07-24 |
Family
ID=48814505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101588444A Pending CN103216429A (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216429A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2466058A (en) * | 2008-12-11 | 2010-06-16 | Dyson Technology Ltd | Fan nozzle |
| CN101825101A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan component |
| CN102135105A (en) * | 2010-01-27 | 2011-07-27 | 益阳市拓达电器有限公司 | Blade-free fan |
| CN102865257A (en) * | 2011-07-06 | 2013-01-09 | 任文华 | Vaneless fan |
| CN102878121A (en) * | 2011-07-12 | 2013-01-16 | 任文华 | Bladeless fan |
-
2011
- 2011-09-27 CN CN2013101588444A patent/CN103216429A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2466058A (en) * | 2008-12-11 | 2010-06-16 | Dyson Technology Ltd | Fan nozzle |
| CN101825101A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan component |
| CN102135105A (en) * | 2010-01-27 | 2011-07-27 | 益阳市拓达电器有限公司 | Blade-free fan |
| CN102865257A (en) * | 2011-07-06 | 2013-01-09 | 任文华 | Vaneless fan |
| CN102878121A (en) * | 2011-07-12 | 2013-01-16 | 任文华 | Bladeless fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202165332U (en) | Vaneless fan | |
| JP2010077969A5 (en) | ||
| US8734121B2 (en) | Flow guide structure for bladeless air fans | |
| JP2010203452A5 (en) | ||
| TWI388730B (en) | Multi-wing blower | |
| JP2010138906A5 (en) | ||
| HRP20110596T1 (en) | A fan | |
| CA2745060A1 (en) | A fan | |
| RU2013134238A (en) | UNMASFUL SHELVED FAN | |
| CA2737373A1 (en) | A fan | |
| CN104595242B (en) | A kind of adjustable centrifugal blower of air inlet | |
| CN104487712B (en) | Propeller fan, and fan, air-conditioner and outdoor unit for hot-water supply provided with propeller fan | |
| US9242529B2 (en) | Ventilation device | |
| CN204458530U (en) | The adjustable centrifugal blower of a kind of intake grill | |
| CN202300949U (en) | Bladeless fan | |
| CN105008723B (en) | Screw ventilation and the air conditioner for possessing the screw ventilation | |
| CN104764180A (en) | Guide blade and air conditioner having the same | |
| US20140023516A1 (en) | Diagonal impeller for a diagonal fan, and diagonal fan | |
| CN105518307A (en) | Centrifugal rotor | |
| CN102878121A (en) | Bladeless fan | |
| CN103016314A (en) | Bladeless fan | |
| CN103216429A (en) | Bladeless fan | |
| CN103195690A (en) | Bladeless fan | |
| JP2002188594A (en) | Blower fan and manufacturing method therefor | |
| CN202228446U (en) | Bladeless fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130724 |