CN105782113B - Fan blade and air conditioner - Google Patents
Fan blade and air conditioner Download PDFInfo
- Publication number
- CN105782113B CN105782113B CN201610292928.0A CN201610292928A CN105782113B CN 105782113 B CN105782113 B CN 105782113B CN 201610292928 A CN201610292928 A CN 201610292928A CN 105782113 B CN105782113 B CN 105782113B
- Authority
- CN
- China
- Prior art keywords
- fan blade
- wheel hub
- hub
- diversion division
- barrier face
- 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.)
- Active
Links
- 230000004888 barrier function Effects 0.000 claims description 39
- 229920000742 Cotton Polymers 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan blade, which comprises a hub (110), a fan blade (120) arranged on the hub (110) and a flow guide part (130) arranged on the hub (110), wherein the flow guide part (130) is positioned in the rotating central area of the hub (110), the outer surface of the flow guide part (130) is provided with a blocking surface (131), and the blocking surface (131) blocks the track of gas flowing to the rotating central area of the hub (110). The fan blade has the tendency of forming a negative pressure area in the rotation center area of the hub when rotating, and because the flow guide part is arranged, when gas flows to the rotation center area, the gas is blocked by the blocking surface, so that the gas quantity entering the rotation center area of the hub is reduced, and the collision between the gas entering the rotation center area of the hub and the surrounding high-speed gas flow is relieved, therefore, the noise generated when the fan blade provided by the invention operates is weaker. The invention also discloses an air conditioner.
Description
Technical field
The present invention relates to fluid machinery technical field more particularly to a kind of fan blades.The invention further relates to a kind of air conditioners.
Background technique
In fluid machinery technical field, the application range of fan blade is wider, such as in air conditioner, using motor driven
Fan blade rotation, and then realize the flowing of air, it achieves the purpose of regulating temperature.
Fan blade in traditional technology mainly includes wheel hub and the flabellum that is installed on the wheel hub, when fan blade rotates, wheel hub
Rotation center region will form negative pressuren zone, the high-speed flow for flowing through fan blade, which is rolled up, to be drawn in the negative pressuren zone, this part high speed gas
Stream will generate collision with the high-speed flow around negative pressuren zone, and leading to fan blade, there are biggish noises when running.
Summary of the invention
The object of the present invention is to provide a kind of fan blade, existing noise when alleviating fan blade operation.Another mesh of the invention
Be to provide a kind of air conditioner.
To achieve the goals above, the invention provides the following technical scheme:
A kind of fan blade further includes being installed on the wheel hub including wheel hub and the flabellum being installed on the wheel hub
Diversion division, the diversion division are located at the rotation center region of the wheel hub, have barrier face, institute on the outer surface of the diversion division
The barrier face of stating is barred from the track that gas is flowed to the rotation center region of the wheel hub.
The barrier face is annular barrier face in one of the embodiments, and the annular barrier face is along the wheel hub
Rotation direction structure in a ring.
Through-hole is opened up on the barrier face in one of the embodiments, there is noise reduction inner cavity in the diversion division, it is described
Noise reduction inner cavity is connected with the through-hole.
The through-hole is located at the side on the barrier face close to the wheel hub in one of the embodiments,.
It in one of the embodiments, further include the acoustical cotton being set in the noise reduction inner cavity.
In one of the embodiments, along airflow direction, the radial dimension in the barrier face is gradually reduced, the radial direction
Having a size of on the barrier face perpendicular to the size on the direction of hub rotation axis.
A kind of air conditioner, including baffle liner and the fan blade being installed on the inside of the baffle liner, the fan blade is above-mentioned
Fan blade described in one.
The diversion division includes first part in one of the embodiments, and the first part is located at the baffle liner
Inner space in, and the inner wall of the first part and the baffle liner forms airflow channel, the inner wall of the baffle liner and
The boundary dimensions of at least one of the outer surface of the first part is gradually changed along the direction where hub rotation axis,
So that the cross sectional dimensions of the airflow channel first gradually becomes smaller the trend become larger again, the side along airflow direction presentation
Boundary is having a size of the size on the direction perpendicular to hub rotation axis.
The diversion division further includes the second part mutually fixed with the first part, edge in one of the embodiments,
The direction where hub rotation axis, the second part it is overhanging relative to the baffle liner.
The extension of the second part is less than or equal on the diversion division along wheel in one of the embodiments,
The half of the size of hub pivot center direction.
There is when fan blade rotates in the rotation center region of wheel hub the trend for forming negative pressuren zone, due to being provided with diversion division,
When gas is flowed to the rotation center region of wheel hub, by the blocking by the barrier face on diversion division, so that into the rotation of wheel hub
The gas flow for turning central area decreases, and then alleviates gas and enters high speed gas after the rotation center region of wheel hub with surrounding
The raw collision of miscarriage.Therefore, compared to content described in background technique, what fan blade provided by the invention generated when running makes an uproar
Sound is weaker.
Since above-mentioned fan blade has above-mentioned technique effect, the air conditioner comprising the fan blade should also have corresponding technology to imitate
Fruit.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the assembling schematic diagram of fan blade provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the diversion division of fan blade provided in an embodiment of the present invention；
Fig. 3 is the diversion division of fan blade provided in an embodiment of the present invention and the attachment structure schematic diagram of wheel hub.
Description of symbols:
100- fan blade, 110- wheel hub, 111- First terrace, 120- flabellum, 130- diversion division, 131- obstruct face, 132-
Through-hole, 133- second step face, 134- first part, 135- second part, 200- baffle liner.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
The embodiment of the present invention provides a kind of fan blade, which can be applied in the equipment such as air conditioner, fan, can be axis stream
The fan blade of the types such as fan blade, centrifugation blade.It is installed on the assembling schematic diagram on air conditioner for a kind of axial-flow leaf as shown in Figure 1,
With reference to the structure of the axial-flow leaf, fan blade provided in an embodiment of the present invention may include wheel hub 110, flabellum 120 and diversion division 130.
Rotary structure can be used in wheel hub 110, and driving mechanism (such as motor) is fixedly connected with the wheel hub 110, and then with runner hub 110
Rotation.Flabellum 120 is usually arranged as multiple, and one end of each flabellum 120 is fixed on the surface of revolution of wheel hub 110, the other end be from
By holding, when wheel hub 110 rotates, flabellum 120 is rotated with it, so that gas flows to the other side from the side of entire fan blade.
Diversion division 130 is also installed on wheel hub 110, and specifically, diversion division 130 is securable on the surface of revolution of wheel hub 110,
Also it is securable on the end face of wheel hub 110, which refers to the face being vertically connected with the surface of revolution of wheel hub 110.The diversion division
130 are located at the rotation center region of wheel hub 110, have the trend for forming negative pressuren zone in the rotation center region, which refers to
, the estimated region that will be will form when not set diversion division 130.For axial-flow leaf, the rotation center region is basic
Position where wheel hub 110, for centrifugation blade, since the area of wheel hub is larger, the rotation center region base
This is located at the middle part of wheel hub.As shown in Figure 1, having barrier face 131 on the outer surface of diversion division 130, the barrier face 131 is barred from
On the track that gas is flowed to the rotation center region of aforementioned wheel hub 110.As a kind of embodiment, obstructing face 131 can be only
It is barred from the local location of the rotation center region of the wheel hub 110, stops a part of gas into the rotation of the wheel hub 110 with this
Central area.
There is the trend for forming negative pressuren zone in the rotation center region of wheel hub 110, due to being provided with water conservancy diversion when fan blade rotates
When gas is flowed to the rotation center region of wheel hub 110, the blocking by the barrier face 131 on diversion division 130 makes for portion 130
The gas flow obtained into the rotation center region of wheel hub 110 decreases, and then alleviates the rotation center that gas enters wheel hub 110
The collision generated behind region with the high-speed flow of surrounding.Therefore, compared to content described in background technique, the present invention is provided
Fan blade operation when the noise that generates it is weaker.
In order to strengthen the noise reduction effect of diversion division 130, annular barrier can be set by the barrier face 131 on diversion division 130
Face, the annular barrier face along wheel hub 110 rotation direction structure in a ring.Due to the rotation center region of 110 side of wheel hub
Boundary be also the annular boundary extended along the rotation direction of wheel hub 110, therefore using behind above-mentioned annular barrier face, Ke Yigeng
Comprehensively gas is stopped to enter in the rotation center region of wheel hub 110, to reduce the rotation for entering wheel hub 110 to a greater degree
The gas flow of central area.Further, the barrier face on diversion division 130 can form closing knot with the surface of wheel hub 110
Structure, and solid construction can be used in diversion division 130 at this time.Under this embodiment, diversion division 130 can prevent on more directions
Gas enters in the rotation center region of wheel hub 110, then reaches foregoing purpose.
As illustrated in fig. 1 and 2, in a kind of embodiment, through-hole 132, water conservancy diversion can be opened up on the barrier face of diversion division 130 131
Then there is noise reduction inner cavity (not shown), which is connected with through-hole 132, and diversion division is hood-like at this time in portion 130
Structure.Diversion division 130 uses hollow structure, so that sound when gas flows is transferred in above-mentioned noise reduction inner cavity, and then by this
Noise reduction Intracavity absorption further decreases the noise generated when fan blade operation with this.Specifically, the quantity of through-hole 132 can be one,
But the embodiment of the present invention sets multiple for the quantity of through-hole 132, and each through-hole 132 can be along the rotation direction of wheel hub 110 point
Cloth can also be arbitrarily distributed.
For through-hole 132 the location of on barrier face 131, it is contemplated that close to the side of wheel hub 110 on barrier face 131
Negative pressuren zone is more readily formed, therefore through-hole 132 is opened in the side on barrier face 131 close to wheel hub 110 by the embodiment of the present invention,
And then noise reduction purpose is better achieved.As depicted in figs. 1 and 2, when through-hole 132 is set as multiple, each through-hole 132 can be along wheel
For hub pivot center direction in the form of multi-turn is distributed, the quantity for the through-hole 132 for including on every circle is chosen as 20-60, when
So, which needs in the case where guaranteeing same aperture, is selected according to the sectional dimension of diversion division 130, to guarantee that fan blade revolves
Dynamic balancing when turning is relatively stable.In addition, circular hole, elliptical aperture or square hole etc. can be used in through-hole 132, when through-hole 132 is circle
The reason of diameter of Kong Shi, the circular hole can be located in the range of 2mm-8mm, such setting is that the aperture of through-hole 132 is too small unfavorable
Noise reduction effect is realized in noise reduction inner cavity, and the aperture of through-hole 132 is excessive, will lead to the rotation center that gas is easily accessible wheel hub 110
In region.In addition, using multiple through-holes 132 scheme when, each through-hole 132 can be uniformly distributed on barrier face 131, can also be into
One step is distributed using central symmetry.
Optionally, fan blade provided in an embodiment of the present invention may also include acoustical cotton (not shown), acoustical cotton setting
In aforementioned noise reduction inner cavity.Specifically, noise reduction inner cavity can be filled in acoustical cotton, can also be attached on the inner wall of noise reduction inner cavity, as long as protecting
Acoustical cotton will not be thrown away from noise reduction inner cavity when card fan blade rotation.After such setting, the noise that fan blade generates when running will
It is transferred in noise reduction inner cavity, is then further absorbed by acoustical cotton, so that the noise that fan blade generates when running is smaller.
In another embodiment, as shown in Fig. 2, following setting also can be used in the structure for barrier face 131: along air-flow side
To the radial dimension in barrier face 131 is gradually reduced, which is the side on barrier face 131 perpendicular to hub rotation axis
Upward size.Airflow direction herein is the main direction of air-flow when fan blade rotates, i.e. fan blade is directed toward in the inlet side of fan blade
The direction of air side.Since air-flow is in expansion trend in the flow direction of air side, after structure as above, barrier face 131
The flow direction of extending direction and air-flow intersects there is no excessive, and barrier face 131 would not also influence the proper flow of gas,
It is equally beneficial for reducing the noise generated when fan blade operation.
As shown in figure 3, the mode of threaded connection can be used in wheel hub 110 and diversion division 130, when diversion division 130 is using hood-like
It, can be in order to guarantee that air-flow smoothly flows in the noise reduction inner cavity of diversion division 130, on the outer surface of diversion division 130 when structure
First terrace 111 is opened up on wheel hub 110, the side threading of the First terrace 111 is equally opened on diversion division 130
If second step face 133, the side machining internal thread in the second step face 133, and the thickness of wheel hub 110 and diversion division 130
Thickness it is of substantially equal so that the outer wall of the inner wall of the inner wall of wheel hub 110 and diversion division 130, wheel hub 110 and diversion division 130
Outer wall is smoothly connected.
Based on above structure, the embodiment of the present invention also provides a kind of air conditioner, as shown in Figure 1, the air conditioner includes water conservancy diversion
Circle 200 and the fan blade 100 for being installed on 200 inside of baffle liner, baffle liner 200 are tied in a ring in the rotation direction of fan blade 100
Structure, fan blade 100 are then surround by baffle liner 200.The width of baffle liner 200 is chosen as 6mm-12mm, with the leaf apical margin of fan blade it
Between gap size be chosen as 3mm-10mm, to more effectively control the production of Shedding Vortex and leakage vortex under the premise of water conservancy diversion
It is raw.The fan blade 100 is fan blade 100 described in any of the above-described technical solution, since above-mentioned fan blade 100 is imitated with above-mentioned technology
Fruit, the air conditioner comprising the fan blade 100 should also have corresponding technical effect, and details are not described herein again.
Further, as shown in Fig. 2, diversion division 130 includes first part 134, which is located at baffle liner
In 200 inner space, and the inner wall of first part 134 and baffle liner 200 forms airflow channel, and the inside of baffle liner 200 is empty
Between for baffle liner 200 the space that surrounds of inner wall.At least one in the inner wall of baffle liner 200 and the outer surface of first part 134
The boundary dimensions of person is gradually changed along the direction where hub rotation axis, so that the cross sectional dimensions edge of aforementioned airflow channel
Airflow direction presentation first gradually become smaller the trend become larger again, boundary dimensions herein is perpendicular to hub rotation axis
Size on direction.The cross section of airflow channel is the face perpendicular to hub rotation axis.In specific structure, baffle liner 200
The both ends size of inner wall is larger, middle part size is smaller or the both ends size of the outer surface of first part 134 is larger, middle part ruler
Very little smaller or two kinds of structures have both, and more gases volume is drawn to the gas using the air pressure change that gas flows through fan blade with this
In circulation road, to improve the air output of fan blade.
It, can be by the change in size amplitude and baffle liner 200 of the outer surface of first part 134 on the basis of above scheme
Inner wall change in size amplitude control in essentially identical range so that air-flow first part 134 outer surface with
When being moved between the inner wall of baffle liner 200, it is not easy to get muddled because of sectional dimension unevenness.
In alternative embodiment, as shown in Fig. 2, diversion division 130 further includes the second part fixed with 134 phase of first part
135, barrier face 131 above-mentioned can be formed in first part 134 and second part 135, along where hub rotation axis
Direction, the second part 135 are overhanging relative to baffle liner 200.Second part 135 in this structure can more fully cover wheel
The rotation center region of hub 110 further strengthens the effect for reducing noise.Specifically, conical knot can be used in diversion division 130
Structure, semicircle spherical structure, spherical arc shape structure etc..Further, the extension of second part 135 can be less than or equal to and lead
It is done along the size of hub rotation axis direction with preventing second part 135 from generating to the proper flow of gas in stream portion 130
It disturbs.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (8)
1. a kind of fan blade, including wheel hub (110) and the flabellum (120) being installed on the wheel hub (110), which is characterized in that
It further include the diversion division (130) being installed on the wheel hub (110), the diversion division (130) is located at the rotation of the wheel hub (110)
Turn central area, there are barrier face (131) on the outer surface of the diversion division (130), the barrier face (131) is barred from gas
On the track flowed to the rotation center region of the wheel hub (110)；
It is opened up through-hole (132) on the barrier face (131), and the through-hole (132) is located on the barrier face (131) close to institute
The side of wheel hub (110) to be stated, there is noise reduction inner cavity in the diversion division (130), the noise reduction inner cavity is connected with the through-hole,
Sound when air-flow flows is transferred to the noise reduction inner cavity, and then by the noise reduction Intracavity absorption.
2. fan blade according to claim 1, which is characterized in that the barrier face (131) is annular barrier face, the annular
Along the rotation direction structure in a ring of the wheel hub (110), the barrier face on the diversion division (130) can be in barrier face
Enclosed construction is formed with the surface of the wheel hub (110).
3. fan blade according to claim 1, which is characterized in that it further include the acoustical cotton being set in the noise reduction inner cavity,
The acoustical cotton fills the noise reduction inner cavity, or is attached on the inner wall of the noise reduction inner cavity.
4. fan blade according to any one of claim 1-3, which is characterized in that along airflow direction, the barrier face
(131) radial dimension is gradually reduced, and the radial dimension is the side on the barrier face (131) perpendicular to hub rotation axis
Upward size.
5. a kind of air conditioner, special including baffle liner (200) and the fan blade (100) being installed on the inside of the baffle liner (200)
Sign is that the fan blade (100) is fan blade of any of claims 1-4.
6. air conditioner according to claim 5, which is characterized in that the diversion division (130) includes first part (134),
The first part (134) is located in the inner space of the baffle liner (200), and the first part (134) leads with described
The inner wall of stream circle (200) forms airflow channel, the inner wall of the baffle liner (200) and the outer surface of the first part (134)
At least one of boundary dimensions gradually changed along the direction where hub rotation axis so that the cross of the airflow channel
Sectional dimension first gradually becomes smaller the trend become larger again along airflow direction presentation, and the boundary dimensions is to turn perpendicular to wheel hub
Size on the direction of shaft line.
7. air conditioner according to claim 6, which is characterized in that the diversion division (130) further includes and described first
The second part (135) for dividing (134) mutually to fix, along the direction where hub rotation axis, the second part (135) is opposite
It is overhanging in the baffle liner (200).
8. air conditioner according to claim 7, which is characterized in that the extension of the second part (135) be less than or
Equal on the diversion division (130) along the half of the size of hub rotation axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292928.0A CN105782113B (en) | 2016-05-04 | 2016-05-04 | Fan blade and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292928.0A CN105782113B (en) | 2016-05-04 | 2016-05-04 | Fan blade and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782113A CN105782113A (en) | 2016-07-20 |
| CN105782113B true CN105782113B (en) | 2018-12-04 |
Family
ID=56400672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292928.0A Active CN105782113B (en) | 2016-05-04 | 2016-05-04 | Fan blade and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782113B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123977B (en) * | 2019-12-30 | 2023-08-29 | 广东美的白色家电技术创新中心有限公司 | Fan, air conditioner outdoor unit and air conditioner |
| CN113123982A (en) * | 2020-01-15 | 2021-07-16 | 青岛海尔智能技术研发有限公司 | Counter-rotating fan and air conditioner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4432474B2 (en) * | 2003-11-27 | 2010-03-17 | ダイキン工業株式会社 | Centrifugal blower impeller and centrifugal blower provided with the impeller |
| CN103185030B (en) * | 2013-04-03 | 2015-12-02 | 宁波朗迪叶轮机械有限公司 | Inclined-flow centrifugal impeller on air-conditioning |
| CN203175982U (en) * | 2013-04-03 | 2013-09-04 | 宁波朗迪叶轮机械有限公司 | Centrifugal fan blade |
| CN103410774B (en) * | 2013-07-26 | 2015-07-22 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| CN205190322U (en) * | 2015-10-26 | 2016-04-27 | 珠海格力电器股份有限公司 | Centrifugal Blades and Centrifugal Fans |
| CN105387003B (en) * | 2015-12-16 | 2018-11-02 | 珠海格力电器股份有限公司 | Fan guiding device and centrifugal fan |
| CN205714941U (en) * | 2016-05-04 | 2016-11-23 | 珠海格力电器股份有限公司 | Fan blade and air conditioner |
-
2016
- 2016-05-04 CN CN201610292928.0A patent/CN105782113B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105782113A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6109291B2 (en) | Centrifugal compressor | |
| US11371530B2 (en) | Fan and fan impeller thereof | |
| JP2003532026A (en) | Ventilator, especially for ventilation of electronic equipment | |
| CN205101257U (en) | Cylindric centrifugal fan | |
| CN103291655A (en) | Bladeless fan turbine device with splitter blades | |
| JP2009133267A (en) | Impeller of compressor | |
| CN105782113B (en) | Fan blade and air conditioner | |
| JP6203294B2 (en) | Centrifugal fan and air conditioner | |
| TW201430221A (en) | Turbofan and graphics card with the turbofan | |
| US8038391B2 (en) | Vortex blower | |
| US20150110627A1 (en) | Blade bucket structure for savonius turbine | |
| WO2023186082A1 (en) | Fan cover and fan | |
| CN207848024U (en) | Seperated molding mixed flow turbine | |
| CN110857789B (en) | Fume exhauster | |
| CN205714941U (en) | Fan blade and air conditioner | |
| CN104153821A (en) | Variable-geometry turbine with adjustable static blade self-air-entraining and air-injection structures | |
| CN103629156A (en) | Low-noise and efficient cooling axial flow fan of central air conditioner outdoor unit | |
| CN107725478A (en) | Fan blade and fan | |
| CN207920905U (en) | A composite fan | |
| JP3927887B2 (en) | Stator blade of axial compressor | |
| CN206449014U (en) | Axial flow fan blade and fan and air conditioner outdoor unit with same | |
| CN202402343U (en) | Impeller structure of exhaust fan | |
| CN220769776U (en) | Fan blade structure for cooling fan and cooling fan | |
| CN109441877A (en) | A kind of motor radiating wind wheel and the blower including the wind wheel | |
| WO2021017321A1 (en) | Mixed flow fan and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |