CN107131154A - Blower fan system and electric device - Google Patents
Blower fan system and electric device Download PDFInfo
- Publication number
- CN107131154A CN107131154A CN201710294658.1A CN201710294658A CN107131154A CN 107131154 A CN107131154 A CN 107131154A CN 201710294658 A CN201710294658 A CN 201710294658A CN 107131154 A CN107131154 A CN 107131154A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- fan system
- annular groove
- housing
- front shroud
- 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
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to power transmission technique field, disclose a kind of blower fan system and electric device, the blower fan system includes fan housing (10) and movable vane wheel (20), the fan housing (10) has air inlet (11) and the annular groove (12) set around the air inlet (11), the movable vane wheel (20) includes front shroud (21), the front shroud (21) has central through hole and is bent upwards from outside to inside towards the central through hole, the annular groove (12) is stretched at the top of the front shroud (21) and gap is kept between the side wall of the annular groove (12).The blower fan system provided using the present invention, can prevent from producing backflow in fan housing structure, so as to prevent from pressure release to improve the efficiency of system.
Description
Technical field
The present invention relates to power transmission technique field, more particularly to a kind of blower fan system and electric device.
Background technology
Blower fan system is used to mechanical energy dress being changed to gas pressure energy and kinetic energy, usual blower fan system be fan housing with other zero
The cavity with entrance and exit of part composition, the design of fan housing structure will directly influence the efficiency of whole air path system,
Fan housing structure is possible to that larger backflow can be produced in existing structure, causes certain pressure release, so as to cause the conversion of system to be imitated
Rate has larger reduction.
The content of the invention
Asking for backflow can be produced the invention aims to the fan housing structure for the blower fan system for overcoming prior art presence
Topic is there is provided a kind of blower fan system, and the blower fan system can prevent the backflow that fan housing is produced.
To achieve these goals, one aspect of the present invention provides a kind of blower fan system, wherein, the blower fan system includes wind
Cover and movable vane wheel, the fan housing have air inlet and the annular groove set around the air inlet, before the movable vane wheel includes
Cover plate, the front shroud has central through hole and is bent upwards from outside to inside towards the central through hole, the top of the front shroud
Portion stretches into the annular groove and keeps gap between the side wall of the annular groove.
Preferably, the movable vane wheel includes back shroud and the blade being connected between the front shroud and back shroud, institute
Stating fan housing includes top cover portion corresponding with the top surface of the front shroud and and side of sidewall portion corresponding with the edge of the blade, described
Annular groove is arranged in the top cover portion.
Preferably, the blower fan system includes the diffuser for diffusion, and the diffuser includes diffusion blade, the expansion
Pressure blade is arranged radially in the blade outboard of the movable vane wheel.
Preferably, the top cover portion includes the Part I corresponding with front shroud and corresponding with the diffuser the
The top surface of two parts, the Part I and the front shroud keeps 0.2-1.5mm gap, and the Part II has and institute
State the curved face part of the top surface engagement of diffusion blade.
Preferably, the Part II includes what is bent from the direction that the Part I is axially distant from the air inlet
Boss, the boss axially extends to the extreme lower position for the bottom surface for being not less than the front shroud.
Preferably, the junction of the Part I and the boss is arc transition.
Preferably, the side of sidewall portion is cylindrical shape and fan housing outlet, the air inlet is limited in the bottom of the side of sidewall portion
It is coaxially disposed with fan housing outlet.
Preferably, the blower fan system includes drive device, and the drive device includes housing and is installed on the housing
The interior drive mechanism for being used to drive the movable vane wheel, the housing is connected to the fan housing.
Preferably, there is the flow-guiding structure for being used for reducing backflow in the annular groove.
Preferably, the flow-guiding structure includes being arranged on the madial wall of the annular groove sawtooth, be arranged on it is described
The gear that the kink radially-inwardly bent of the end of the madial wall of annular groove, the side wall parallel to the annular groove are set
At least one of plate, the labyrinth seal being arranged on the roof of the annular groove.
The present invention also provides a kind of electric device, wherein, the electric device includes the blower fan system of the present invention.
Preferably, the electric device is dust catcher, hand dryer, fan, air pump, air cleaner equipment or centrifugal pump.
By above-mentioned technical proposal, annular groove is provided with the fan housing provided due to the present invention, by by movable vane wheel
The annular groove is stretched at the top of front shroud, gas backstreaming can be effectively prevented, so as to prevent blower fan system from occurring pressure release.
Brief description of the drawings
Fig. 1 is the exploded view of blower fan system according to the preferred embodiment of the present invention；
Fig. 2 is the exploded view of the other assemblies under the fan housing and confined state of Fig. 1 blower fan system；
Fig. 3 is the schematic diagram of Fig. 2 movable vane wheel；
Fig. 4 is the sectional view of Fig. 2 fan housing；
Fig. 5 is the sectional view under the confined state of Fig. 1 blower fan system；
Fig. 6 is the enlarged drawing at A in Fig. 5；
Fig. 7 is a kind of schematic diagram of preferred embodiment of annular groove illustrated in fig. 4；
Fig. 8 is the schematic diagram of another preferred embodiment of annular groove illustrated in fig. 4；
Fig. 9 is also a kind of schematic diagram of preferred embodiment of annular groove illustrated in fig. 4.
Description of reference numerals
10- fan housings, 10a- top cover portions, 10b- side of sidewall portion, 11- air inlets, 12- annular grooves, 121- kinks, 122- gears
Plate, 123- labyrinth seals, 13- Part I, 14- Part II, 141- boss, 20- movable vane wheels, 21- front shrouds, 22- bonnets
Plate, 23- blades, 30- diffusers, 31- diffusion blades, 40- drive devices, 41- housings, 42- stator modules, 421- annular bodies
Portion, 422- installation portions, 43- rotor assembly, 44- rotor installation portions, 45- connectors.
Embodiment
In the present invention, in the case where not making opposite explanation, the noun of locality used such as " upper and lower " typically refers to Fig. 1 institutes
The page shown, " inside and outside " refers to the inside and outside of all parts of the blower fan system shown in Fig. 1.
According to an aspect of the present invention there is provided a kind of blower fan system, the blower fan system includes fan housing 10 and movable vane wheel
20, the fan housing 10 has air inlet 11 and the annular groove 12 set around the air inlet 11, and the movable vane wheel 20 includes
Front shroud 21, the front shroud 21 has central through hole and is bent upwards from outside to inside towards the central through hole, the protecgulum
The top of plate 21 stretches into the annular groove 12 and keeps gap between the side wall of the annular groove 12.
As shown in Figures 4 to 6, due to being provided with annular groove 12 on the fan housing 10 that provides of the present invention, by by movable vane wheel
The annular groove 12 is stretched at the top of 20 front shroud 21, can effectively prevent gas backstreaming, so as to prevent blower fan system
Pressure release.Specifically, when movable vane wheel 20 works, the air entered from the air inlet 11 of fan housing 10 enters movable vane wheel 20 from central through hole
Wheel chamber and stirred through blade 23 and form air-flow.Meanwhile, the gas backflowed from wheel chamber to air inlet 11 can be by ring
Connected in star 12 is stopped, and returns to wheel chamber, so as to effectively prevent gas backstreaming, prevents blower fan system from occurring pressure release.
Wherein, due to keeping gap between front shroud 21 and the side wall of annular groove 12, movable vane wheel 20 can be relative to wind
Cover 10 is freely rotated.In addition, as shown in figure 3, movable vane wheel 20 includes front shroud 21, back shroud 22 and blade 23.Wherein, blade 23
Both sides connect front shroud 21 and back shroud 22 respectively.When movable vane wheel 20 works, the air entered from the air inlet 11 of fan housing 10
Enter the wheel chamber of movable vane wheel 20 from central through hole and stir and formed from the gap between blade 23 to outflow through blade 23
The air-flow gone out.
The fan housing of the present invention can select appropriate structure, it is preferable that the fan housing 10 includes and the front shroud 21
The corresponding top cover portion 10a of top surface and and side of sidewall portion 10b corresponding with the edge of the blade 23, the annular groove 12 is arranged on
On the top cover portion 10a.
In order to provide diffusion effect, it is preferable that as shown in figure 1, the blower fan system includes the diffuser 30 for diffusion,
The diffuser 30 includes diffusion blade 31, and the diffusion blade 31 is arranged radially in outside the blade 23 of the movable vane wheel 20
Side.The setting direction of diffusion blade 31 and the setting direction of the blade 23 of movable vane wheel 20 are on the contrary, when the blower fan system works, move
Impeller 20 is rotated, and diffusion blade 31 keeps not turning.
Structure with reference to shown in Fig. 1 and Fig. 2, the top cover portion 10a includes the Part I corresponding with front shroud 21
13 and Part II 14 corresponding with the diffuser 30, the top surface of the Part I 13 and the front shroud 21 keeps 0.2-
1.5mm gap., on the one hand can be first by the gap reduced between Part I 13 and the top surface of front shroud 21 as far as possible
Gap is set between the top surface of part 13 and front shroud 21 to allow movable vane wheel 20 to rotate without mutually dry relative to fan housing 10
Relate to, on the other hand can make blower fan system compact conformation, be conducive to product to minimize.Wherein it is preferred to, Part I 13 can be with
Formation and the corresponding shape of front shroud 21, in order to assemble.In addition, the Part II 14 has and the diffusion blade 31
The curved face part of top surface engagement, so as to basically form sealing structure between fan housing 10 and diffuser 30, it is to avoid pressure release.
Preferably, the Part II 14 includes being axially distant from the direction bending in the air port from the Part I 13
Boss 141, the boss 141 axially extends to the extreme lower position for the bottom surface for being not less than the front shroud 21.With reference to Fig. 4 and figure
Structure shown in 6, extreme lower position of the extreme lower position higher than the bottom surface of front shroud 21 where boss 141, so that in the He of boss 141
The structure of similar labyrinth seal is formed between front shroud 21, is unfavorable for gas between the top surface of Part I 13 and front shroud 21
Gap flow to the side wall of fan housing 10, so as to strengthen the inhibitory action to backflow.
Also it may be preferred that the junction of the Part I 13 and the boss 141 is arc transition, so that in circular arc mistake
The a certain position or a certain section of region crossed are substantially reduced the gap between fan housing 10 and movable vane wheel 20, so as to increase the resistance of backflow
Power.
The side wall of the fan housing 10 of the present invention can reduce windage from appropriate structure, it is preferable that the side of sidewall portion 10b
Fan housing outlet is limited for cylindrical shape and in the bottom of the side of sidewall portion 10b, air inlet 11 and the fan housing outlet is coaxially set
Put.By the way that side of sidewall portion 10b is set into cylindrical shape, it is easy to other pipes (housing 41 for example hereafter) with downstream to determine
Position connection.
In order to further reduce the generation of backflow, it is preferable that can have in the annular groove 12 is used to reduce backflow
Flow-guiding structure.Specifically, the flow-guiding structure include be arranged on the madial wall of the annular groove 12 sawtooth, be arranged on institute
State the kink 121 radially-inwardly bent of the end of the madial wall of annular groove 12, adjacent and parallel to the annular groove
At least one in the baffle plate 122 of 12 madial wall setting, the labyrinth seal 123 being arranged on the roof of the annular groove 12
Person.
Structure with reference to shown in Fig. 7 and Fig. 8, kink 121 and baffle plate 122 can carry out backstop to reflux gas, and
The gas of backflow is kept off into back wheel cavity；Alternatively, it is also possible to set sawtooth (not show on the madial wall on the both sides of annular groove 12
Go out) reduce backflow；Further, it is also possible to by setting multiple sealing teeth to form labyrinth seal on the roof of annular groove 12
123 come strengthen sealing, so as to reduce backflow.It should be noted that the present invention at least selects kink 121, baffle plate 122, sawtooth
, can also be from any both, three and whole therein one of between labyrinth seal 123, these are the present invention's
Within protection domain.In addition, baffle plate 122 can be the overall ring-shaped baffle around annular groove 12, or around ring
The multiple arcs baffle plate of connected in star 12.
The blower fan system that the present invention is provided can be driven from appropriate structure, it is preferable that the blower fan system
Including drive device 40, the drive device 40 includes housing 41 and drives the movable vane with being used in the housing 41 is installed on
The drive mechanism of wheel 20, the housing 41 is connected to the fan housing 10.The drive device can select motor, with reference to shown in Fig. 1
Structure, drive mechanism includes stator module 42 and rotor assembly 43, and movable vane wheel 20 is installed on rotor assembly 43 to follow rotor
Component 43 is rotated.In addition, diffusion blade 31 may be mounted on the housing 41 of drive device 40, can also directly with the housing 41
It is integrally formed.
Stator module 42 and rotor assembly 43 can be various appropriate formats, it is possible to be arranged on by various appropriate ways
In housing 41.For example, drive device 40 can include the rotor installation portion 44 for being arranged on the inner side of housing 41 and connection rotor peace
The connector 45 of dress portion 44 and housing 41, rotor assembly 43 can be installed on rotor installation portion 44, and stator module 42 can be installed
In connector 45.
Wherein, rotor assembly 43 can include bearing and rotor, and bearing is installed on rotor installation portion 44.
In addition, stator module 42 can include annular body portion 421 and from the edge in the annular body portion 421 to evagination
The installation portion 422 gone out, the installation portion 422 is along the axially extending of the annular body portion 421 and is connected to the connector 45,
The inwall of the installation portion 422 and the housing 41 is arranged at intervals.By setting the inwall interval of installation portion 422 and housing 41
Put, annular runner can be formed between stator module 42 and housing 41, the air-flow that movable vane wheel 20 is produced enters along side of sidewall portion 10b
After housing 41, air-flow can flow through annular runner and to each part and annular runner of stator module 42 along the inwall of housing 41
The part in downstream provides radiating effect.
In addition, according to another aspect of the present invention, the present invention also provides a kind of electric device, and the electric device includes
Blower fan system as described above.The electric device that the present invention is provided can be prevented effectively due to having selected blower fan system as above
Gas backstreaming, so as to prevent the electric device from occurring pressure release, improves the efficiency of the electric device.
Further, the electric device can produce the pressure energy of gas and the equipment of kinetic energy for any utilization movable vane wheel,
Preferably, the electric device is dust catcher, hand dryer, fan, air pump, air cleaner equipment or centrifugal pump.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants can be carried out to technical scheme.Including each particular technique
Feature is combined in any suitable manner, and in order to avoid unnecessary repetition, the present invention is to various possible combinations
No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention
Protection domain.
Claims (12)
1. a kind of blower fan system, it is characterised in that the blower fan system includes fan housing (10) and movable vane wheel (20), the fan housing
(10) there is air inlet (11) and the annular groove (12) set around the air inlet (11), before the movable vane wheel (20) includes
Cover plate (21), the front shroud (21) has central through hole and to be bent upwards towards the central through hole from outside to inside, it is described before
The annular groove (12) is stretched at the top of cover plate (21) and gap is kept between the side wall of the annular groove (12).
2. blower fan system according to claim 1, it is characterised in that the movable vane wheel (20) include back shroud (22) and
The blade (23) between the front shroud (21) and back shroud (22) is connected to, the fan housing (10) includes and the front shroud
(21) the corresponding top cover portion of top surface (10a) and and side of sidewall portion (10b) corresponding with the edge of the blade (23), the annular
Groove (12) is arranged in the top cover portion (10a).
3. blower fan system according to claim 2, it is characterised in that the blower fan system includes the diffuser for diffusion
(30), the diffuser (30) includes diffusion blade (31), and the diffusion blade (31) is arranged radially in the movable vane wheel
(20) on the outside of blade (23).
4. blower fan system according to claim 3, it is characterised in that the top cover portion (10a) includes and front shroud (21)
The corresponding Part I (13) and Part II (14) corresponding with the diffuser (30), the Part I (13) with
The top surface of the front shroud (21) keeps 0.2-1.5mm gap, and the Part II (14) has and the diffusion blade
(31) curved face part of top surface engagement.
5. blower fan system according to claim 4, it is characterised in that the Part II (14) is included from described first
The boss (141) that the direction for dividing (13) to be axially distant from the air inlet (11) is bent, the boss (141) axially extends to not
Less than the extreme lower position of the bottom surface of the front shroud (21).
6. blower fan system according to claim 5, it is characterised in that the Part I (13) and the boss (141)
Junction be arc transition.
7. blower fan system according to claim 2, it is characterised in that the side of sidewall portion (10b) is for cylindrical shape and described
The bottom of side of sidewall portion (10b) limits fan housing outlet, and the air inlet (11) and fan housing outlet are coaxially disposed.
8. blower fan system according to claim 1, it is characterised in that the blower fan system includes drive device (40), institute
Stating drive device (40) includes housing (41) and the drive for driving the movable vane wheel (20) being installed in the housing (41)
Motivation structure, the housing (41) is connected to the fan housing (10).
9. the blower fan system according to any one in claim 1-8, it is characterised in that have in the annular groove (12)
There is the flow-guiding structure for reducing backflow.
10. blower fan system according to claim 9, it is characterised in that the flow-guiding structure includes being arranged on the annular
Sawtooth on the madial wall of groove (12), the end for the madial wall for being arranged on the annular groove (12) are radially-inwardly bent
Baffle plate (122) that kink (121), the side wall parallel to the annular groove (12) are set, it is arranged on the annular groove
(12) at least one of labyrinth seal (123) on roof.
11. a kind of electric device, it is characterised in that the electric device includes the wind described in any one in claim 1-10
Machine system.
12. electric device according to claim 11, it is characterised in that the electric device is dust catcher, hand dryer, wind
Fan, air pump, air cleaner equipment or centrifugal pump.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204842.3A CN114483654A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
| CN201710294658.1A CN107131154A (en) | 2017-04-28 | 2017-04-28 | Blower fan system and electric device |
| CN202210204852.7A CN114483655A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294658.1A CN107131154A (en) | 2017-04-28 | 2017-04-28 | Blower fan system and electric device |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204852.7A Division CN114483655A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
| CN202210204842.3A Division CN114483654A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131154A true CN107131154A (en) | 2017-09-05 |
Family
ID=59716788
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204842.3A Pending CN114483654A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
| CN202210204852.7A Pending CN114483655A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
| CN201710294658.1A Pending CN107131154A (en) | 2017-04-28 | 2017-04-28 | Blower fan system and electric device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204842.3A Pending CN114483654A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
| CN202210204852.7A Pending CN114483655A (en) | 2017-04-28 | 2017-04-28 | Fan system and electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN114483654A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529414A (en) * | 2019-10-11 | 2019-12-03 | 任承钦 | A kind of Centrafugal pipeline fan |
| CN111065003A (en) * | 2019-12-05 | 2020-04-24 | 刘亚琼 | Big data connection equipment of stability when improving equipment power supply is connected |
| CN112343841A (en) * | 2019-08-09 | 2021-02-09 | 美的威灵电机技术（上海）有限公司 | Fan and electrical equipment |
| WO2021227476A1 (en) * | 2020-05-13 | 2021-11-18 | 佛山市威灵洗涤电机制造有限公司 | Heating pump and dish washing machine |
| CN114458628A (en) * | 2022-04-12 | 2022-05-10 | 广东威灵电机制造有限公司 | Fan and electrical equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720702A (en) * | 2012-05-29 | 2012-10-10 | 苏州市太湖风机制造有限公司 | Fan provided with double-blade impeller |
| CN103388592A (en) * | 2013-08-06 | 2013-11-13 | 江阴市汇通包装机械有限公司 | Impeller |
| CN203717442U (en) * | 2013-12-26 | 2014-07-16 | 天津市松正电动汽车技术股份有限公司 | Axial heat dissipation fan |
| CN104514750A (en) * | 2013-09-29 | 2015-04-15 | 德昌电机(深圳)有限公司 | Centrifugal blower and centrifugal impeller thereof |
| CN105024491A (en) * | 2015-08-20 | 2015-11-04 | 广东威灵电机制造有限公司 | Integrated motor with impeller |
| CN204963051U (en) * | 2015-08-21 | 2016-01-13 | 四川长虹电器股份有限公司 | Vertical air conditioner |
| CN205073449U (en) * | 2014-12-18 | 2016-03-09 | 刘黎 | A make an uproar cabin and water conservancy diversion mechanism fall for breathing machine fan |
| CN205503562U (en) * | 2016-01-29 | 2016-08-24 | 广东万和电气有限公司 | Take centrifugal fan spiral case of water conservancy diversion structure |
| EP3073123A1 (en) * | 2015-03-24 | 2016-09-28 | Samsung Electronics Co., Ltd. | Centrifugal fan |
| CN106368985A (en) * | 2016-11-23 | 2017-02-01 | 广东威灵电机制造有限公司 | Multi-stage flow guide device |
| CN106468288A (en) * | 2015-08-21 | 2017-03-01 | 德昌电机(深圳)有限公司 | Bubbler, air flow-producing device and vacuum cleaner, hand dryer, hair-dryer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605742A1 (en) * | 1996-02-16 | 1997-08-21 | Vorwerk Co Interholding | Electric motor with impeller wheel |
| JPH11187991A (en) * | 1997-12-26 | 1999-07-13 | Hitachi Ltd | Vacuum cleaner |
| JP2000154797A (en) * | 1998-11-19 | 2000-06-06 | Hitachi Ltd | Motor-driven blower and vacuum cleaner using the same |
| JP3768019B2 (en) * | 1998-12-18 | 2006-04-19 | 株式会社日立製作所 | Electric blower |
| GB0613796D0 (en) * | 2006-07-12 | 2006-08-23 | Johnson Electric Sa | Blower |
| CN102734188A (en) * | 2011-04-07 | 2012-10-17 | 乐金电子(天津)电器有限公司 | Centrifugal fan preventing airflow from returning |
| CN104295531A (en) * | 2014-09-19 | 2015-01-21 | 珠海格力电器股份有限公司 | Centrifugal fan and air conditioner |
| CN106050688B (en) * | 2016-07-25 | 2018-12-04 | 珠海格力电器股份有限公司 | Centrifugal fan and air conditioner |
-
2017
- 2017-04-28 CN CN202210204842.3A patent/CN114483654A/en active Pending
- 2017-04-28 CN CN202210204852.7A patent/CN114483655A/en active Pending
- 2017-04-28 CN CN201710294658.1A patent/CN107131154A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720702A (en) * | 2012-05-29 | 2012-10-10 | 苏州市太湖风机制造有限公司 | Fan provided with double-blade impeller |
| CN103388592A (en) * | 2013-08-06 | 2013-11-13 | 江阴市汇通包装机械有限公司 | Impeller |
| CN104514750A (en) * | 2013-09-29 | 2015-04-15 | 德昌电机(深圳)有限公司 | Centrifugal blower and centrifugal impeller thereof |
| CN203717442U (en) * | 2013-12-26 | 2014-07-16 | 天津市松正电动汽车技术股份有限公司 | Axial heat dissipation fan |
| CN205073449U (en) * | 2014-12-18 | 2016-03-09 | 刘黎 | A make an uproar cabin and water conservancy diversion mechanism fall for breathing machine fan |
| EP3073123A1 (en) * | 2015-03-24 | 2016-09-28 | Samsung Electronics Co., Ltd. | Centrifugal fan |
| CN105024491A (en) * | 2015-08-20 | 2015-11-04 | 广东威灵电机制造有限公司 | Integrated motor with impeller |
| CN204963051U (en) * | 2015-08-21 | 2016-01-13 | 四川长虹电器股份有限公司 | Vertical air conditioner |
| CN106468288A (en) * | 2015-08-21 | 2017-03-01 | 德昌电机(深圳)有限公司 | Bubbler, air flow-producing device and vacuum cleaner, hand dryer, hair-dryer |
| CN205503562U (en) * | 2016-01-29 | 2016-08-24 | 广东万和电气有限公司 | Take centrifugal fan spiral case of water conservancy diversion structure |
| CN106368985A (en) * | 2016-11-23 | 2017-02-01 | 广东威灵电机制造有限公司 | Multi-stage flow guide device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343841A (en) * | 2019-08-09 | 2021-02-09 | 美的威灵电机技术（上海）有限公司 | Fan and electrical equipment |
| CN110529414A (en) * | 2019-10-11 | 2019-12-03 | 任承钦 | A kind of Centrafugal pipeline fan |
| CN111065003A (en) * | 2019-12-05 | 2020-04-24 | 刘亚琼 | Big data connection equipment of stability when improving equipment power supply is connected |
| WO2021227476A1 (en) * | 2020-05-13 | 2021-11-18 | 佛山市威灵洗涤电机制造有限公司 | Heating pump and dish washing machine |
| CN114458628A (en) * | 2022-04-12 | 2022-05-10 | 广东威灵电机制造有限公司 | Fan and electrical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114483655A (en) | 2022-05-13 |
| CN114483654A (en) | 2022-05-13 |
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Application publication date: 20170905 |