CN107100891A - Axial-flow windwheel, air-conditioner outdoor unit and air conditioner - Google Patents
Axial-flow windwheel, air-conditioner outdoor unit and air conditioner Download PDFInfo
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- CN107100891A CN107100891A CN201710486458.6A CN201710486458A CN107100891A CN 107100891 A CN107100891 A CN 107100891A CN 201710486458 A CN201710486458 A CN 201710486458A CN 107100891 A CN107100891 A CN 107100891A
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- flow windwheel
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- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of axial-flow windwheel, air-conditioner outdoor unit and air conditioner.The axial both sides of the axial-flow windwheel are respectively windward side and air side, and the axial-flow windwheel includes：Wheel hub；More blades, blade described in multi-disc is connected with the wheel hub and is spaced apart along the circumferential direction of the wheel hub, and from direction of the trailing edge of the blade to leading edge, the blade extends along towards the direction of windward side.According to the axial-flow windwheel of the present invention, have the advantages that simple in construction, air quantity is big, resistance to pressure is good.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of axial-flow windwheel, air-conditioner outdoor unit and air conditioner.
Background technology
In correlation technique, air-conditioner outdoor unit fan blade is because blade surface pressure fluctuation is big in work process, and blade is pressurized
Mian Yeding areas height is forced down, and causes air-flow along the high skewness of leaf so that air channel flow loss is big, and the fan blade area that effectively does work is small
Cause fan blade unit interval air channel underfed, noise is big, and air-conditioning heat transfer effect is poor under identical load.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of axle
Wind wheel is flowed, the axial-flow windwheel has the advantages that simple in construction, performance is high.
The present invention also proposes a kind of air-conditioner outdoor unit, including above-mentioned axial-flow windwheel.
The present invention also proposes a kind of air conditioner, and the air conditioner has air-conditioner outdoor unit as described above.
Axial-flow windwheel according to embodiments of the present invention, the axial both sides of the axial-flow windwheel are respectively windward side and air-out
Side, the axial-flow windwheel includes：Wheel hub；More blades, blade described in multi-disc was connected with the wheel hub and along the week of the wheel hub
It is spaced apart to direction, from direction of the trailing edge of the blade to leading edge, the blade is along the direction towards windward side
Extension.
Axial-flow windwheel according to embodiments of the present invention, has the advantages that simple in construction, air quantity is big, resistance to pressure is good.
According to some embodiments of the present invention, the rotation centerline of the wheel hub is straight line m, centered on the straight line m
The cylinder of line is circle of reference cylinder, and the section of the circle of reference cylinder and the blade is curved surface P, the curved surface P have point A with
Point B, the point A and the point B line are middle string of a musical instrument AB；Cross the middle string of a musical instrument AB and the plane parallel with the straight line m is
View fields of the plane of reference Q, the curved surface P on the plane of reference Q is strip, and the Breadth Maximum of the strip is h, from
In the radially inner side of the circle of reference cylinder to the radially outer direction of the circle of reference cylinder, the h is gradually reduced.
According to some embodiments of the present invention, the leading edge of the blade is the curvature at any point on curve, and the curve
It is centrally located at the same side of the leading edge.
According to some embodiments of the present invention, the trailing edge of the blade, should at least to have on curve, and the curve at 2 points
2 points of the center of curvature is located at the both sides of the trailing edge.
According to some embodiments of the present invention, the blade is three.
According to some embodiments of the present invention, the blade and the wheel hub clamping.
Air-conditioner outdoor unit according to embodiments of the present invention, including axial-flow windwheel as described above.
Air-conditioner outdoor unit according to embodiments of the present invention, the above-mentioned axial-flow windwheel by setting is conducive to improving air conditioning chamber
The heat transfer effect of outer machine and external environment.
Air conditioner according to embodiments of the present invention, including air-conditioner outdoor unit as described above.
Air conditioner according to embodiments of the present invention, sets the air-conditioner outdoor unit with above-mentioned axial-flow windwheel, is conducive to improving
The heat transfer effect of air conditioner.
Brief description of the drawings
The above-mentioned and additional aspect and advantage of the present invention will become bright from description of the accompanying drawings below to embodiment is combined
Show and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the axial-flow windwheel of basic inventive embodiments；
Fig. 2 is the structural representation of the axial-flow windwheel of basic inventive embodiments；
Fig. 3 is perspective view of the section of the blade of the axial-flow windwheel of basic inventive embodiments on plane of reference Q；
Fig. 4 is perspective view of the section of the blade of the axial-flow windwheel of basic inventive embodiments on plane of reference Q；
Fig. 5 is perspective view of the section of the blade of the axial-flow windwheel of basic inventive embodiments on plane of reference Q；
Fig. 6 is perspective view of the section of the blade of the axial-flow windwheel of basic inventive embodiments on plane of reference Q.
Fig. 7 is that schematic diagram is cutd open in the 1A-5A directions of the blade according to Fig. 2；
Fig. 8 is the air quantity and the comparison diagram of rotating speed of the wind wheel in the wind wheel and correlation technique of the embodiment of the present invention；
Fig. 9 is the air quantity and the comparison diagram of noise of the wind wheel in the wind wheel and correlation technique of the embodiment of the present invention.
Reference：
Axial-flow windwheel 1,
Wheel hub 11,
Blade 12, leading edge 121, trailing edge 122,
Circle of reference cylinder 13.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " thickness ", " on ", " under ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " counterclockwise ", " circumference " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, defining " first ", " second "
Feature can express or implicitly include one or more this feature.In the description of the invention, unless otherwise saying
Bright, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Axial-flow windwheel 1 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 6.
As Figure 1-Figure 2, axial-flow windwheel 1 includes wheel hub 11 and more blades 12.
Specifically, as Figure 1-Figure 2, more blades 12 are connected with wheel hub 11 and along the circumferential direction interval of wheel hub 11
Distribution, that is to say, that more blades 12 are connected on the periphery wall of wheel hub 11 and are spaced apart along the axial direction of wheel hub 11.Example
Such as, as shown in Figure 1 and Figure 2, axial-flow windwheel 1 has three blades 12, circumferential direction distribution of three blades 12 along wheel hub 11 and
The interval of three blades 12 between any two is uniform.
As shown in figure 1, each blade 12 has leading edge 121 and trailing edge 122, the axial both sides of axial-flow windwheel 1 are windward side
And air side, from the trailing edge 122 of blade 12 to the direction of leading edge 121, blade 12 extends along towards the direction of windward side.
That is, from the trailing edge 122 of blade 12 to the direction of leading edge 121, blade 12 along towards and air current flow direction phase
Anti- direction extension.
For example, as shown in Fig. 2 two adjacent excessively in plane 1A, 2A, 3A, 4A, 5A of the rotation centerline of wheel hub 11 are put down
Angle between face is 15 °, and one end of the rotation centerline of plane 1A, 2A, 3A, 4A, 5A remote wheel hub 11 is spaced apart and divided
Other cut-off blade 12 with obtain section 1A ' as shown in Figure 7 with the one-to-one blade of plane 1A, 2A, 3A, 4A, 5A 12,
2A ', 3A ', 4A ', 5A ', from section 1A ' to 5A ', section integrally has the trend extended towards windward side, wherein it is desired to illustrate
, perpendicular to the direction that paper outwardly direction is windward side, perpendicular to the direction that paper inward direction is air side.
Thus, blade 12 is may be such that along the circumferential direction with the feature substantially bent along impeller direction of rotation, so that favorably
In the airflow obstruction for the outer end wall region for eliminating blade 12 to a certain extent, increase the sweepforward angle of blade 2, increase blade 12
Effectively acting area, and can effectively improve suction surface Ye Ding area's low pressure and pressure face Ye Ding areas high pressure, makes air-flow along leaf high score
Cloth is more uniformly distributed, and weakens the Secondary Flow from pressure face to suction surface, improves the flow of air-flow and the resistance to pressure of blade 12, lifts wind
Road flow, and reduce the vortex noise that Secondary Flow is caused.
Axial-flow windwheel 1 according to embodiments of the present invention, from the trailing edge 122 of blade 12 to the direction of leading edge 121, passes through
So that blade 12 extends along towards the direction of windward side, it may be such that blade 12 along the circumferential direction takes turns rotation side with the wind with obvious
To the feature of bending, so as to be conducive to eliminating the airflow obstruction of the outer end wall region of blade 12 to a certain extent, increase blade
12 sweepforward angle, increase blade 12 effectively acting area, reduce noise, and can effectively improve suction surface Ye Ding area's low pressure and
Pressure face Ye Ding areas high pressure, makes air-flow be more uniformly spread along leaf height, weakens the Secondary Flow from pressure face to suction surface, Jin Erti
The flow of high gas flow and the resistance to pressure of blade, lift air channel flow.
In brief, axial-flow windwheel 1 according to embodiments of the present invention, with simple in construction, air quantity is big, noise is small, pressure-resistant
The advantages of property is good.
In some embodiments of the invention, the rotation centerline of wheel hub 11 is straight line m, the post of line centered on straight line m
Face is circle of reference cylinder 13, and the radius of circle of reference cylinder 13 is r.It is understood that the center line and wheel of circle of reference cylinder 13
The rotation centerline of hub 11 on the same line, circle of reference cylinder 13 is cut with straight line m vertical plane, and cut surface is formed as reference
Circle, the radius of circle of reference is r.For example, as shown in Fig. 2 the circle of reference cylinder 13 where more blades 12 is the 4th reference cylinder
Face, the circle of reference cylinder 13 of adjacent hub 11 is the first circle of reference cylinder, the first circle of reference cylinder and the 4th circle of reference cylinder it
Between there is the second circle of reference cylinder and the 3rd circle of reference cylinder, the distance of the second circle of reference cylinder to the first circle of reference cylinder and the
The distance of three circle of reference cylinders to the second circle of reference cylinder is equal, " distance " mentioned herein refer to circle of reference radial direction away from
From.
As shown in Fig. 2 the radius of the first circle of reference cylinder is r1, the radius of the second circle of reference cylinder is r2, the 3rd reference
The radius on the face of cylinder is r3, and the radius of the 4th circle of reference cylinder is r4, from the first circle of reference cylinder to the 4th circle of reference cylinder
On direction, radius gradually increases, i.e. r4>r3>r2>r1.
The section of circle of reference cylinder 13 and blade is curved surface P, during lines of the curved surface P with point A and point B, point A and point B is
String of a musical instrument AB.
For example, blade 12 has relative a first surface and second surface, first surface and second surface are relative and first
Surface is located at the top of second surface, and the first circle of reference cylinder is crossed to form curved surface P with blade 12, and curved surface P includes curve a and song
Line b, curve a are the intersecting lens of first surface and the first circle of reference cylinder, and curve b is second surface and the first circle of reference cylinder
Intersecting lens.Curve a includes terminal A 1 and terminal A 2, and terminal A 1 and terminal A 2 are located at curve a two ends respectively.Curve b includes end
Point B1 and terminal B 2, terminal B 1 and terminal B 2 are located at curve b two ends respectively.Terminal A 1 is close to terminal B 1, and terminal A 2 is close to end
Point B2, the midpoint of the line of terminal A 1 and terminal B 1 is point A, and the midpoint of terminal A 2 and the line of terminal B 2 is point B, tie point A
Line segment with point B is middle string of a musical instrument AB.
As shown in figures 3 to 6, took middle string of a musical instrument AB and the plane parallel with straight line m is plane of reference Q, curved surface P is in plane of reference Q
On view field be strip, the Breadth Maximum of strip is h, from the radially inner side of circle of reference cylinder 13 to circle of reference cylinder
In 13 radially outer direction, h is gradually reduced.It is understood that perspective planes of the curved surface P on plane of reference Q is mapping face R,
Curve a and curve b projects forming curves a ' and curve b ' on plane of reference Q, the maximum of distance between curve a ' and curve b '
For h, from the radially inner side of circle of reference cylinder 13 to the radially outer direction of circle of reference cylinder 13, i.e., from the first circle of reference cylinder
Onto the direction of the 4th circle of reference cylinder, h is gradually reduced.Thus, it is possible to blade 12 is possessed higher anti-static pressure ability, can
Ensure under the larger operating mode of pressure drop, blade 12 still can provide higher air quantity, and be conducive to simplifying axial-flow windwheel 1
Structure, facilitates the depanning of blade.
As Figure 1-Figure 2, according to some embodiments of the present invention, the leading edge 121 of blade 12 is on curve, and the curve
The center of curvature at any point is located at the same side of leading edge 121.It is understood that each interval of the leading edge 121 of blade 12
Duan Jun is that the curve bearing of trend of curved section and every section of curved section is respectively positioned on the same side of leading edge 121.For example, institute as shown in Figure 1, Figure 2
Show, blade 12 is shaped as sickleshaped, and the leading edge 121 of blade 12 is recessed to trailing edge 122, the curvature at any point in leading edge 121
It is centrally located at the front side (front direction as shown in Figure 2) of leading edge 121.Thus, it is possible to while the ventilation of blade 12 is ensured
Effectively reduce resistance of the air-flow for blade 12, and then reduce the power of blade 12, improve the efficiency of axial-flow windwheel 1
Than.
As Figure 1-Figure 2, according to some embodiments of the present invention, the trailing edge 122 of blade 12 is on curve, and the curve
At least have at 2 points, 2 points of the center of curvature is located at the both sides (such as front and rear sides) of trailing edge 122.It is understood that leaf
Each segment of the leading edge 121 of piece 12 is that the curve of at least two sections of curved sections of presence in curved section and multistage curved section extends
Direction is different.For example, as shown in Figure 1 and Figure 2, blade 12 is shaped as sickleshaped, the undulate of trailing edge 122 of blade 12, blade
12 trailing edge 122 can be divided into three sections, and the center of curvature at any point is located at the front side of trailing edge 122, remaining two sections on interlude
The center of curvature at upper any point is located at the rear side of trailing edge 122.Thus, it is possible to the formation that the peripheral region of blade 12 is vortexed is avoided, from
And the effect of reduction noise well can be reached.
As Figure 1-Figure 2, according to some embodiments of the present invention, blade 12 can be three.For example, as shown in Figure 1, Figure 2
Shown, axial-flow windwheel 1 has three blades 12, circumferential direction distribution and three piece blades 12 liang of three blades 12 along wheel hub 11
Interval between two is uniform.Thus, the action effect of three blades 12 can meet user's request, and can with cost-effective and
Installation procedure.
According to some embodiments of the present invention, blade 12 and the clamping of wheel hub 11.For example, can be convex provided with clamping on blade 12
Block, clamping projection includes projection portion and Access Division and projection portion and Access Division connection, the bearing of trend in projection portion and Access Division
Bearing of trend is different, and clamping groove can be provided with wheel hub 11, and clamping projection can pass through clamping groove in the presence of external force,
Access Division can be limited in clamping groove, and projection portion passes through that to be located at clamping groove after clamping groove outer and with the one of clamping groove
End offsets.Thus, it is possible to blade 12 is connected on wheel hub 11, and assembling process is simple, difficult for drop-off.It is optional at other
In embodiment, blade 12 is integrated part with wheel hub.
Specifically, the outlet air end (i.e. one end towards air side of the perisporium of wheel hub 11) of the perisporium of wheel hub 11 is provided with more
Individual breach, circumferentially direction is arranged at intervals multiple breach, is seamlessly transitted between two adjacent breach.Thus, can be by wheel hub 11
Interior vortex leaks to blade 12, is effectively reduced the voorticity in nearly wheel hub 11, is conducive to increasing air quantity, reduces sending for blower fan
Wind power.
Inventor in practical study, using the axial-flow windwheel 1 in the embodiment of the present invention between air quantity and rotating speed and
Relation between air quantity and noise is tested, and by result to it is related in axial-flow windwheel be compared, as a result such as Fig. 8 and figure
Shown in 9, experimental data shows, the axial-flow windwheel 1 in the embodiment of the present invention is compared with correlation technique, with air quantity lifting under rotating speed about
260m3/ h, amplification 14%；122m is lifted with air quantity under noise3/ h, year-on-year amplification 6%.
Air-conditioner outdoor unit according to embodiments of the present invention, including the as above axial-flow windwheel 1 of any one.
Air-conditioner outdoor unit according to embodiments of the present invention, the axial-flow windwheel 1 above-mentioned by setting is conducive to improving air conditioning chamber
The heat transfer effect of outer machine and external environment.
Air conditioner according to embodiments of the present invention, including air-conditioner outdoor unit as described above.
Air conditioner according to embodiments of the present invention, sets the air-conditioner outdoor unit with above-mentioned axial-flow windwheel, is conducive to improving
The heat transfer effect of air conditioner.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of axial-flow windwheel, it is characterised in that the axial both sides of the axial-flow windwheel are respectively windward side and air side, described
Axial-flow windwheel includes：
Wheel hub；
More blades, blade described in multi-disc is connected with the wheel hub and is spaced apart along the circumferential direction of the wheel hub, from institute
The trailing edge of blade is stated to the direction of leading edge, the blade extends along towards the direction of windward side.
2. axial-flow windwheel according to claim 1, it is characterised in that the rotation centerline of the wheel hub is straight line m, with institute
The cylinder for stating line centered on straight line m is circle of reference cylinder, and the section of the circle of reference cylinder and the blade is curved surface P, described
There is curved surface P point A and point B, the point A and the point B line to be middle string of a musical instrument AB；
Cross the middle string of a musical instrument AB and the plane parallel with the straight line m is plane of reference Q, the curved surface P is on the plane of reference Q
View field is strip, and the Breadth Maximum of the strip is h, from the radially inner side of the circle of reference cylinder to the reference
In the radially outer direction on the face of cylinder, the h is gradually reduced.
3. axial-flow windwheel according to claim 1, it is characterised in that the leading edge of the blade is on curve, and the curve
The center of curvature at any point is located at the same side of the leading edge.
4. axial-flow windwheel according to claim 1, it is characterised in that the trailing edge of the blade is on curve, and the curve
At least have at 2 points, 2 points of the center of curvature is located at the both sides of the trailing edge.
5. axial-flow windwheel according to claim 1, it is characterised in that the blade is three.
6. axial-flow windwheel according to claim 1, it is characterised in that the blade and the wheel hub clamping.
7. a kind of air-conditioner outdoor unit, it is characterised in that including the axial-flow windwheel according to any one of claim 1-6.
8. a kind of air conditioner, it is characterised in that including the air-conditioner outdoor unit described in wanting 7 according to right.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486458.6A CN107100891A (en) | 2017-06-23 | 2017-06-23 | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner |
| PCT/CN2017/095346 WO2018232838A1 (en) | 2017-06-23 | 2017-07-31 | Wind wheel, fan and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486458.6A CN107100891A (en) | 2017-06-23 | 2017-06-23 | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107100891A true CN107100891A (en) | 2017-08-29 |
Family
ID=59664283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486458.6A Pending CN107100891A (en) | 2017-06-23 | 2017-06-23 | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN107100891A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425453A (en) * | 2020-03-31 | 2020-07-17 | 联想(北京)有限公司 | Air guide device |
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| CN102003411A (en) * | 2010-12-24 | 2011-04-06 | 广东美的电器股份有限公司 | Axial-flow wind wheel |
| CN202391808U (en) * | 2011-12-13 | 2012-08-22 | 广东美的电器股份有限公司 | Low-noise axial flow air wheel |
| CN204175643U (en) * | 2014-09-30 | 2015-02-25 | 美的集团武汉制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425453A (en) * | 2020-03-31 | 2020-07-17 | 联想(北京)有限公司 | Air guide device |
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Application publication date: 20170829 |