CN104990144A - Ceiling type fan - Google Patents
Ceiling type fan Download PDFInfo
- Publication number
- CN104990144A CN104990144A CN201510393701.0A CN201510393701A CN104990144A CN 104990144 A CN104990144 A CN 104990144A CN 201510393701 A CN201510393701 A CN 201510393701A CN 104990144 A CN104990144 A CN 104990144A
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- CN
- China
- Prior art keywords
- air
- toroidal cavity
- blower fan
- fan
- mounting type
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract 2
- 239000003570 air Substances 0.000 description 65
- 239000007921 spray Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention aims to provide a ceiling type fan, which is used for solving the problem of wind-heat short circuit of the existing ceiling type fan. The method comprises the following steps: and the bladeless fan assembly is used as an air supply mechanism of the fan. On the structure through with the bladeless fan was used to suspension type fan, abundant utilization bladeless fan business turn over wind direction stagger in the space, the distance between air intake and the air outlet is far away, business turn over wind small in mutual interference's structural feature, the effectual problem of suspension type fan business turn over wind-heat short circuit of having avoided traditional structure.
Description
Technical field
The present invention relates to field of air conditioning, be specifically related to a kind of ceiling mounting type blower fan, especially the indoor set of ceiling mounting type blower fan.
Background technology
The ceiling mounting type blower fan (being also called courtyard machine) of current end equipment of central air conditioner, disclosed in Chinese patent document CN104564743A, structure is quadrangle, and the panel of courtyard machine has air inlet faceplate and frame, and frame is arranged on ceiling.Frame is provided with air outlet and return air inlet, return air inlet is arranged on the central authorities of panel, and the quantity of air outlet is generally 4, is separately positioned on four limits of frame, at a certain angle by ceiling to indoor air-supply, the angle namely arranged respectively along 4 air outlets is blown to four direction.
Existing courtyard machine air supply mode blowout be all heat exchange wind, return air inlet and air outlet close together under this structure, easily interferes with each other and cause air flow shortcircuit or hot short circuit, and air quantity is less between air inlet/outlet, and indoor wind circulation rate is slow.Another shortcoming is that the wind sent is soft not, and especially in cooling mode, the cool breeze blown out directly blows to it user, and user feels uncomfortable.
Summary of the invention
In view of this, the invention provides a kind of ceiling mounting type blower fan that effectively can solve traditional ceiling mounting type blower fan structure air blow and return short circuit problem.
For reaching this object, the present invention by the following technical solutions:
A kind of ceiling mounting type blower fan, comprises without blade fan assembly, described without the wind pushing mechanism of blade fan assembly as blower fan.
According to such structure, by the structure without blade fan is applied on ceiling mounting type blower fan, spatially is staggered in the position of air inlet and exhaust outlet, air intake and air draft is made to have different directions, add the distance of air inlet and exhaust outlet, effectively can reduce the phenomenon of air flow shortcircuit or hot short circuit.
Preferably, in aforesaid ceiling mounting type blower fan, describedly comprise airflow injection device and the air flow-producing device for generation of the air-flow by airflow injection device without blade fan assembly; Described airflow injection device comprises toroidal cavity for accepting air-flow, for launching the gas outlet of air-flow; Described airflow injection device limits at least one gas channel along the through described toroidal cavity of direction of axis line, from without blade fan outside air by from gas outlet the air-flow that sprays entrainment by described gas channel.
Preferably, in aforesaid ceiling mounting type blower fan, described toroidal cavity side is provided with the inlet channel be communicated with toroidal cavity, and described air flow-producing device is used for being blown to toroidal cavity by described inlet channel.
Preferably, in aforesaid ceiling mounting type blower fan, described gas outlet is positioned at the end of the direction of axis line of described toroidal cavity or is positioned on the annular inner wall of described toroidal cavity.
According to such structure, when reality uses, blower fan has sidepiece air intake, the structural design of bottom air-out, spatially staggers in the direction of air inlet/outlet, and the interference between air intake air-flow and air-out air-flow is very little.
Preferably, in aforesaid ceiling mounting type blower fan, described air flow-producing device is axial-flow fan.
According to such structure, the air-supply efficiency of axial-flow fan is high, only needs less power can obtain larger air output.
Preferably, in aforesaid ceiling mounting type blower fan, in described toroidal cavity, heat exchanger is provided with.
Preferably, in aforesaid ceiling mounting type blower fan, described heat exchanger is annular heat exchange coil.
According to such structure, in blower fan, add heat exchange coil, carry out sufficient heat exchange with heat exchange coil while air-flow flows in toroidal cavity, the efficiency of refrigeration (heat) can be promoted.
Preferably, in aforesaid ceiling mounting type blower fan, described gas outlet ringwise.
According to such structure, blower fan can realize annular air supply, and air-out is more even, and user feels more comfortable.
Preferably, in aforesaid ceiling mounting type blower fan, near described gas outlet, lighting device is provided with.
According to such structure, blower fan can be used as interior illuminator practicality, also improves the visual effect of blower fan simultaneously, improves Consumer's Experience.
The invention has the beneficial effects as follows:
1, the structure without blade fan is applied in ceiling mounting type blower fan, solves the problem of traditional ceiling mounting type blower fan turnover wind-heat short circuit.
2, adopt air-spray technology, utilize the gas channel of annular air outlet and centre, greatly strengthen the air output of blower fan, under equal rotation speed of fan, air output is larger, and more energy-conservation, noise is lower.
3, while enhancing blower fan air output, due to the fluidics of air, blowing area is larger, reduces the blowing feeling of people, accelerates the circulation of space air.
4, adopt annular heat exchange coil, be arranged in inside toroidal cavity, can effectively increase cold and hot exchange area, increase air filtration and heat transfer effect, promote refrigeration and the heating performance of air-conditioning.
5, blower fan arranges lighting device, air-conditioning and room illumination can be made to combine together, tailored appearance fashion.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the embodiment of the present invention, above-mentioned and other objects, features and advantages of the present invention will be more clear, in the accompanying drawings:
Fig. 1 is the composition structural representation of ceiling mounting type blower fan of the present invention;
Fig. 2 is the fundamental diagram of one embodiment of the present invention.
Fig. 3 is the fundamental diagram of another embodiment of the present invention.
In figure: 1,1.1,1.2 gas outlets 2, lighting device 3, gas channel 4, toroidal cavity 4.1, annular outer wall 4.2, annular inner wall 5, heat exchange coil 6, air flow-producing device 7, inlet channel
Detailed description of the invention
Based on embodiment, present invention is described below, but the present invention is not restricted to these embodiments.In hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.In order to avoid obscuring essence of the present invention, known structure does not describe in detail.
Shown in Fig. 1-3, the concrete structure of ceiling mounting type blower fan of the present invention is introduced:
This ceiling mounting type blower fan adopts without blade fan assembly as wind pushing mechanism, and preferably, this ceiling mounting type assembling uses as indoor set in indoor.Under normal circumstances, blower fan has housing and the panel in the face of space within doors, and be arranged in housing without blade fan assembly, the air-out of air outlet is sent within doors by panel.See Fig. 1, comprise with lower part without blade fan assembly: airflow injection device 8 and the air flow-producing device 6 for generation of the air-flow by airflow injection device 8; Described airflow injection device 8 comprises the toroidal cavity 4 for accepting air-flow, the gas outlet 1 for jet-stream wind; Described airflow injection device 8 limits at least one gas channel 3 along the through described toroidal cavity 4 of direction of axis line, from without blade fan outside air by from gas outlet 1 the air-flow launched entrainment by described gas channel 3.Described toroidal cavity 4 side is provided with the inlet channel 7 be communicated with toroidal cavity 4, and described air flow-producing device 6 is located in described inlet channel for being blown to toroidal cavity 4 by described inlet channel 7.Described gas outlet 1 is positioned at the end of the direction of axis line of described toroidal cavity 4 or is positioned on the annular inner wall 4.2 of described toroidal cavity 4.
The profile of airflow injection device 8 can circular, Long Circle or ellipse, and can comprise annular outer wall 4.1 and annular inner wall 4.2, annular outer wall 4.1 and annular inner wall 4.2 protrude respectively in the opposite direction, and form toroidal cavity 4 in centre.The axial line of toroidal cavity 4 refers to puts down axle center by toroidal cavity 4 perpendicular to toroidal cavity 4 place plane, and toroidal cavity 4 is relative to axial line Central Symmetry.The inner side of annular inner wall 4.2 forms through gas channel 3, and described gas channel 3 extends along the axis of described toroidal cavity 4, air-flow can from the side of toroidal cavity 4 by the axial line of gas channel 3 annularly cavity 4 through arriving the opposite side of toroidal cavity 4.Described toroidal cavity 4 extends around an axial line, inlet channel 7 is connected by the toroidal cavity 4 that is opened on be opened on toroidal cavity 4, described opening can be located at the radially outer side portions of toroidal cavity 4 or the sidepiece of axis, preferably as shown in fig. 1, inlet channel 7 and opening are arranged on the radial outside of toroidal cavity, inlet channel can be coplanar with toroidal cavity 4, also can with the plane at toroidal cavity 4 place being obliquely installed at an angle.Be provided with the fan as air flow-producing device 6 in inlet channel 7, in the present embodiment, employing be cross flow fan, but to be not limited thereto, also can to adopt any suitable fan of other types, as axial-flow type, centrifugal etc.
Gas outlet 1 is arranged on the end of the direction of axis line being positioned at described toroidal cavity 4 or is positioned on the annular inner wall 4.2 of described toroidal cavity 4, or adopt aforesaid way combination also can, as shown in Figure 2,3.When gas outlet 1 is arranged on the end of the direction of axis line being positioned at described toroidal cavity 4, under real use state, gas outlet 1 is positioned at the bottom of toroidal cavity 4, as shown in Figure 2.Like this under actual installation state, gas outlet is arranged downward, and air inlet is arranged along horizontal direction.Gas outlet 1 blows to the below of blower fan air-flow, airintake direction is then arrange or relative level direction inclination certain angle along horizontal direction, airintake direction and outgassing direction spatially stagger and spacing distance is distant, can effectively reduce to pass in and out the interference in air flow between gas and hot short circuit phenomenon.
Preferably, arrange between the center line of gas outlet 1 and the axial line of toroidal cavity 4 in having certain angle, the scope of described angle theta can be 0-70 degree.Gas outlet 1 can be set to the continuous opening of annular, and also can be designed as multiple independently spray orifice, described spray orifice one end is communicated with toroidal cavity 4, and the other end is communicated with gas channel 3; Multiple spray orifice arranges in the form of a ring along the surrounding of gas channel 3.Gas outlet 1 can be designed as an annular air outlet; Also can be set to the multiple annular air outlet arranged side by side arranged on annular inner wall 4.2, and the angle of giving vent to anger of different annular air outlet can be identical or different.
In order to realize refrigeration and the heat-production functions of air-conditioning, heat exchanger can be set in toroidal cavity 4, preferably, heat exchanger adopts heat exchange coil 5, and heat exchange coil 5 can be arranged around whole toroidal cavity 4 for annular, such as 360 degree of settings, can effectively increase cold and hot exchange area like this, increase air filtration and heat transfer effect, make the air in toroidal cavity 4 can carry out heat exchange fully with heat exchange coil 5, promote the efficiency of cooling and warming.
Preferably, when using as indoor set, lighting device can also be set on indoor set, such as can arrange LED 2 near air outlet 1 place, as shown in Figure 2,3, LED 2 can be arranged on inner circumferential or the periphery of air outlet 1, when air outlet 1 is arranged on annular inner wall, LED 2 can be positioned at the end of the axis of toroidal cavity 4, makes in a state of use, and LED 2 can illuminate the space below indoor set.Such design serves good decoration function, makes the outward appearance of indoor set more attractive in appearance, also can use as interior illuminator simultaneously.
When reality uses, after axial-flow fan 6 starts, the air c of fan periphery is inhaled into along inlet channel 7 and enters in toroidal cavity 4, when toroidal cavity 4 inner air accumulates to a certain degree, its pressure will exceed the normal barometric pressure outside cavity, now air ejects from air outlet 1, form air-flow a, what then cause toroidal cavity 4 ambient air follows flowing: on the one hand, the air on gas channel 3 top can supplement into through gas channel 3 from the top down, form air-flow b, add strong center air-supply effect; On the other hand, the negative pressure that the air c of toroidal cavity 4 periphery also can cause because of air-flow continues to supplement into, widens the scope of blowing.Air-flow a, b are superimposed, and are formed and are several times as much as the air-supply effect that axial-flow fan 6 absorbs ability of air, the axial-flow fan of selection of small power can realize Wind Volume air-supply like this.Because selected axial-flow fan 6 power is less, and the muting function of axial-flow fan 6 itself is good, greatly reduces air-supply noise.
In addition, the air in toroidal cavity 4, after carrying out sufficient heat exchange with heat exchange coil 5, becomes cold (heat) gas and blows out from air outlet 1.When cold (heat) gas is injected surrounding air at a relatively high speed, speed discontinuity surface not etc. is there is between jet and surrounding static air, jet is interfered, lose stable and produce vortex, entrainment surrounding air and suck jet, the air be involved in is with former cold (heat) gas jet flow forward.Entrainment mixed cold (heat) gas jet area constantly to expand, flow velocity then constantly reduces, and flow constantly increases.Again air quantity is promoted, and reduce air-out speed, effectively reduce the sense of discomfort of human body to blowing.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known device structure and well-known technology are not described in detail.
Term is only for describing the object of particular example embodiment as used herein, is not intended for restrictive.As used herein, " one ", " one " and " described " of singulative also can be intended to comprise plural form, unless context explicitly points out to otherwise.Term " comprises ", " comprising ", " containing " and " having " are inclusive and therefore clearly state the existence of described feature, entirety, element and/or parts, but does not get rid of and there is or increase one or more further feature, entirety, element, parts and/or its combination.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
For being easy to illustrate, such as " interior ", " outward ", " under ", " below ", " bottom ", " top ", " top " etc. space correlation term be used to the relation of an illustrative element or feature and another element or feature in description figure at this.Will be appreciated that space correlation term can be intended to comprise the equipment different orientation except the orientation described in figure in use or operation.Such as, if the equipment in figure is reversed, be then described as be in other element or feature " below " or " under " so element will be positioned in this other element or feature " top ".Thus, exemplary term " below " can comprise above and below both orientation.Equipment can otherwise be directed (90-degree rotation or be in other orientation), and space correlation descriptor should be interpreted accordingly as used herein.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a ceiling mounting type blower fan, is characterized in that: comprise without blade fan assembly, described without the wind pushing mechanism of blade fan assembly as described blower fan.
2. ceiling mounting type blower fan as claimed in claim 1, is characterized in that: describedly comprise airflow injection device (8) without blade fan assembly and for generation of the air flow-producing device (6) of air-flow passing through airflow injection device; Described airflow injection device (8) comprises the toroidal cavity (4) for accepting air-flow, the gas outlet (1) for jet-stream wind; Described airflow injection device (8) limits at least one gas channel (3) along the through described toroidal cavity of direction of axis line, from without blade fan outside air by from gas outlet (1) the air-flow launched entrainment by described gas channel (3).
3. ceiling mounting type blower fan as claimed in claim 2, it is characterized in that: described toroidal cavity (4) side is provided with the inlet channel (7) be communicated with toroidal cavity, and described air flow-producing device (6) is for blowing to toroidal cavity by described inlet channel.
4. ceiling mounting type blower fan as claimed in claim 3, is characterized in that: described gas outlet (1) is positioned at the end of the direction of axis line of described toroidal cavity (4) or is positioned on the annular inner wall (4.2) of described toroidal cavity (4).
5. ceiling mounting type blower fan as claimed in claim 2, is characterized in that: described air flow-producing device (6) is axial-flow fan.
6. ceiling mounting type blower fan as claimed in claim 2, is characterized in that: described toroidal cavity is provided with heat exchanger in (4).
7. ceiling mounting type blower fan as claimed in claim 6, is characterized in that: described heat exchanger is annular heat exchange coil (5).
8. ceiling mounting type blower fan as claimed in claim 2, is characterized in that: described gas outlet (1) ringwise.
9. ceiling mounting type blower fan as claimed in claim 8, is characterized in that: be provided with lighting device (2) near described gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393701.0A CN104990144A (en) | 2015-07-03 | 2015-07-03 | Ceiling type fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393701.0A CN104990144A (en) | 2015-07-03 | 2015-07-03 | Ceiling type fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104990144A true CN104990144A (en) | 2015-10-21 |
Family
ID=54301999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510393701.0A Pending CN104990144A (en) | 2015-07-03 | 2015-07-03 | Ceiling type fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104990144A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650842A (en) * | 2016-03-28 | 2016-06-08 | 广东美的制冷设备有限公司 | Air supplying component and indoor unit of air conditioner |
| CN105650745B (en) * | 2016-03-28 | 2018-12-18 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN109469635A (en) * | 2018-11-09 | 2019-03-15 | 中山市乖致电器科技有限公司 | A kind of no leaf formula wears movement fans |
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| CN101713414A (en) * | 2009-11-26 | 2010-05-26 | 胡国贤 | Blade-free electric fan |
| GB2486892A (en) * | 2010-12-23 | 2012-07-04 | Dyson Technology Ltd | Fan nozzle |
| CN103790806A (en) * | 2012-11-02 | 2014-05-14 | 任文华 | Bladeless fan |
| CN104033955A (en) * | 2013-03-06 | 2014-09-10 | 广东美的暖通设备有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN104500430A (en) * | 2014-10-27 | 2015-04-08 | 上海理工大学 | Multi-purpose bladeless fan |
| CN204806547U (en) * | 2015-07-03 | 2015-11-25 | 珠海格力电器股份有限公司 | Ceiling type fan |
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2015
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| CN101713414A (en) * | 2009-11-26 | 2010-05-26 | 胡国贤 | Blade-free electric fan |
| GB2486892A (en) * | 2010-12-23 | 2012-07-04 | Dyson Technology Ltd | Fan nozzle |
| KR101478273B1 (en) * | 2010-12-23 | 2014-12-31 | 다이슨 테크놀러지 리미티드 | Bladeless ceiling fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650842A (en) * | 2016-03-28 | 2016-06-08 | 广东美的制冷设备有限公司 | Air supplying component and indoor unit of air conditioner |
| CN105650745B (en) * | 2016-03-28 | 2018-12-18 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN105650842B (en) * | 2016-03-28 | 2019-04-30 | 广东美的制冷设备有限公司 | Blower part and air conditioner indoor unit |
| CN109469635A (en) * | 2018-11-09 | 2019-03-15 | 中山市乖致电器科技有限公司 | A kind of no leaf formula wears movement fans |
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Application publication date: 20151021 |