CN108443178A - A kind of fan - Google Patents
A kind of fan Download PDFInfo
- Publication number
- CN108443178A CN108443178A CN201810203795.4A CN201810203795A CN108443178A CN 108443178 A CN108443178 A CN 108443178A CN 201810203795 A CN201810203795 A CN 201810203795A CN 108443178 A CN108443178 A CN 108443178A
- Authority
- CN
- China
- Prior art keywords
- rubber block
- hole
- flabellum
- motor
- fan
- 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.)
- Granted
Links
- 241000883990 Flabellum Species 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000005119 centrifugation Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035939 shock Effects 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
-
- 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
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- 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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of fans, the shaft being connected including motor and with the motor, flabellum ontology is connected in the shaft, the flabellum ontology is provided with first through hole along its length, and the first through hole is connected with the air hose for air inlet close to one end of the shaft.By the way that first through hole is arranged along its length on flabellum ontology, one end of ventilation can be connected to motor inner space, during flabellum rotates, centrifugation force effect can be utilized, so that air is constantly flowed out along first through hole out of motor, plays the effect persistently to radiate to fan electromotor.
Description
Technical field
The present invention relates to a kind of fans, belong to Industrial fan technical field.
Background technology
Industrial fan, a large amount of air movement of promotion of energy full blast, generates super large air quantity, space formation is made to move,
Circulating air flow field, the air circulation problem in energy Effective Regulation industrial production workshop.Area that Industrial fan brushes and fan it is straight
Diameter has direct relationship.In order to obtain the sway area of bigger, the flabellum of generally use major diameter, but existing fan
Leaf is typically using the structure of iron plate connection, and one is iron plate is inserted into flabellum to lock, another kind is by upper and lower two
Layer iron plate is clamped.But both fixed forms, all it is to be in direct contact using the flabellum of hard material and metal material, even
It connects and locates not any buffering, during fan use, since the vibration in the gravity of flabellum, rotation process can all cause
The fracture of junction flabellum.And the diameter of area and fan that Industrial fan brushes has direct relationship, in order to obtain
Bigger sway area, the flabellum of generally use major diameter, but in order to drive the flabellum of major diameter, it is desirable to high-power
Motor, and use heavy-duty motor after, heat dissipation again become a new problem.
Invention content
Technical problem to be solved by the invention is to provide a kind of fans, by being set along its length on flabellum ontology
A through-hole is set, and one end of ventilation is connected to motor inner space, during flabellum rotates, utilizes centrifugation masterpiece
With, make air constantly out of motor along through-hole flow out, play to fan electromotor fan heat effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of fan, including motor and the shaft that is connected with the motor are connected with flabellum ontology, the fan in the shaft
Leaf ontology is provided with first through hole along its length, and the first through hole is connected with close to one end of the shaft for entering the wind
Air hose.
A kind of fan above-mentioned, it is characterised in that：The outer of the motor is fixedly installed shell, the lower surface of the shell
And/or side is provided with air inlet, the air hose is bending-like, and one end is connected to the first through hole, and the other end stretches to
In gap between the motor and shell.
A kind of fan above-mentioned, it is characterised in that：The outer of the motor is fixedly installed shell, is also set up outside the shell
There are heat dissipating housing, the lower surface and/or side of the heat dissipating housing to be provided with air inlet, the air hose is bending-like, one end and institute
First through hole connection is stated, the other end stretches in the gap between the shell and heat dissipating housing.
A kind of fan above-mentioned, it is characterised in that：One end upper and lower surface difference of the flabellum ontology close to the shaft
It is fixed with rubber block and lower rubber block, and the contact surface and flabellum of the upper rubber block and lower rubber block and the flabellum ontology
The correspondence surface of ontology is bonded completely, and the upper rubber block and lower rubber block have been respectively fixedly connected with sheet metal and lower metal
Piece, and the lower sheet metal is fixedly connected with the shaft, and be provided on the lower sheet metal and opened for what the air hose passed through
Hole.
A kind of fan above-mentioned, it is characterised in that：It is provided at least two groups position on the upper rubber block and lower rubber block
Corresponding bolt hole, the upper rubber block and lower rubber block pass through solid across the bolt assembly of the bolt hole and flabellum ontology
It is scheduled on the upper and lower surface of the flabellum ontology.
A kind of fan above-mentioned, it is characterised in that：The upper surface of the upper rubber block and the lower surface of lower rubber block are all provided with
Be equipped with multiple sheet metal mounting holes, the upper rubber block and it is lower between rubber block and sheet metal by being fixed in the mounting hole
Connector achieve a fixed connection, and the upper surface of the upper rubber block and the lower surface of lower rubber block are both provided with and the gold
Belong to the consistent slot of plate shape, the sheet metal is fixed in the slot.
A kind of fan above-mentioned, it is characterised in that：The flabellum ontology is provided with the second through-hole and along its length
Three through-holes.
A kind of fan above-mentioned, it is characterised in that：Second through-hole and third through-hole are located at the two of the first through hole
Side.
A kind of fan above-mentioned, it is characterised in that：The flabellum ontology is provided at least one steel wire along its length
Rope mounting hole.
A kind of fan above-mentioned, it is characterised in that：The quantity of the steel wire rope mounting hole is two, is separately positioned on described
The both sides of first through hole.
The beneficial effects of the invention are as follows：
1, by the way that first through hole is arranged along its length on flabellum ontology, one end of ventilation can be connected to inside motor
Space can utilize centrifugation force effect, make air constantly out of motor along first through hole stream during flabellum rotates
Go out, plays the effect persistently to radiate to fan electromotor；
2, flabellum ontology is clamped by using the rubber block of large area, while increasing contact surface, utilizes rubber block
Flexibility buffers the vibration during flabellum rotation, and upper layer and lower layer sheet metal is recycled to be fixed, and it is solid to enhance entire flabellum
Fixed intensity higher, stability are more preferable.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of fan of the present invention；
Fig. 2 is a kind of fixed structure schematic diagram of the flabellum ontology of fan of the present invention；
Fig. 3 is a kind of side view of the upper rubber block of fan of the present invention；
Fig. 4 is a kind of vertical view of the upper rubber block of fan of the present invention；
Fig. 5 is a kind of side view of the lower rubber block of fan of the present invention；
Fig. 6 is a kind of structural schematic diagram of the flabellum ontology of fan of the present invention.
Specific implementation mode
Below in conjunction with Figure of description, the present invention is described further.
As Figure 1-Figure 4, a kind of fan, including motor 100 and the shaft 200 that is connected with the motor 100, it is described
Flabellum ontology 10 is connected in shaft 200, the flabellum ontology is provided with first through hole 1 along its length, and described first is logical
Hole 1 is connected with the air hose 600 for air inlet close to one end of the shaft 200.
By the way that first through hole is arranged along its length on flabellum ontology, and in first through hole 1 close to the shaft 200
One end be connected with the air hose 600 for air inlet, during flabellum ontology 10 rotates, can utilize centrifugation force effect, make
The continuous air inlet out of air hose 600 that go out close to motor of air, flow out along first through hole, plays and persistently radiates to fan electromotor
Effect.
In the present embodiment, the outer of the motor 100 is fixedly installed shell 500, the lower surface of the shell 500 and/or
Side is provided with air inlet, and the air hose 600 is bending-like, and one end is connected to the first through hole 1, and the other end stretches to institute
It states in the gap between motor 100 and shell 500.By by 600 one end of air hose stretch to the motor 100 and shell 500 it
Between gap in, to realize during fan rotate, the continuous flowing of motor peripheral air, realize cool down.
It is also possible to be fixedly installed shell 500 in the outer of motor 100, heat dissipation is additionally provided with outside the shell 500
Cover, the lower surface and/or side of the heat dissipating housing are provided with air inlet, and the air hose 600 is bending-like, one end and described the
One through-hole 1 is connected to, and the other end stretches to the shell 500 and heat dissipating housing（It is not shown in figure）Between gap in.By by wind
600 one end of pipe stretches in the gap between the shell 500 and heat dissipating housing, to realize during fan rotates, outside
The continuous flowing of shell 500 and the air of heat dissipating housing is realized and cools down to shell 500, and then realizes the cooling to motor.
The flabellum ontology 10 is respectively fixed with upper rubber block 20 and lower rubber close to one end upper and lower surface of the shaft 200
Blob of viscose 30, and the upper rubber block 20 and lower rubber block 30 are corresponding with flabellum ontology 10 with the contact surface of the flabellum ontology 10
Surface is bonded completely, and the upper rubber block 20 and lower rubber block 30 have been respectively fixedly connected with sheet metal 400 and lower sheet metal
300, and the lower sheet metal 300 is fixedly connected with the shaft 200, and be provided on the lower sheet metal 300 for the wind
The trepanning that pipe 600 passes through.
Fitting clamping completely is carried out to flabellum ontology upper and lower surface by using the rubber block of large area, increases contact surface
Meanwhile in the present embodiment, the length of flabellum is 2-8 meters, therefore the vibration that may occur in the gravity and rotation process of its own
It is bigger, using the vibration during the flexibility buffering flabellum rotation of rubber block, fan can be effectively prevent in rotation process
Middle there is a situation where flabellums to be broken, and recycles upper layer and lower layer sheet metal to be fixed, enhances the fixed intensity of entire flabellum more
Height, stability are more preferable.Rubber block in the present embodiment can also be substituted with other types software toughness material.
Be provided with the corresponding bolt hole 21 at least two groups position on the upper rubber block 20 and lower rubber block 30, it is described on
Rubber block 20 and lower rubber block 30 across the bolt assembly 40 of the bolt hole 21 and flabellum ontology 10 by being fixed on the fan
The upper and lower surface of leaf ontology 10.Being fixedly connected for flabellum and upper and lower rubber block is realized, it is simple in structure, it is easy to connect.
The upper surface of the upper rubber block 20 and the lower surface of lower rubber block 30 are both provided with multiple sheet metal mounting holes 22,
It is realized admittedly by the connector being fixed in the mounting hole 22 between the upper rubber block 20 and lower rubber block 30 and sheet metal
The lower surface of fixed connection, the upper surface of the upper rubber block 20 and lower rubber block 30 is both provided with consistent with the sheet metal form
Slot 23, the sheet metal is fixed in the slot 23, facilitates the connection of rubber block and sheet metal.
The flabellum ontology is provided with the second through-hole 2 and third through-hole 3 along its length, can be in the second through-hole 2
Electrified wire is set, the metal needle being arranged at leaf fan lateral edge is utilized（It is not shown in figure）Or metal wire（It is not shown in figure）
Purification air can be played, eliminate electrostatic during fan rotates by forming anion generator or plasma generator
Effect, during actual use, general one fan there are six flabellum, anion is arranged in interval in six flabellums
Device and plasma generator.
Water pipe can also be set in third through-hole simultaneously, and coordinate installation hydraulic spray nozzle in end, in fan rotation
In the process, since the flabellum diameter of Industrial fan is very big, the length that foliage leaf fans ontology is 2 meters -8 meters, when in third through-hole
When water is slipped with the flabellum of rotation to end, powerful centrifugal force can convert it into water mist spray and get off, and play the effect of humidification
Fruit.
The upper surface 5 of the leaf fan ontology is arcuate structure, so that entire flabellum is more in line with aerodynamics, in fan blade rotating
In dynamic process, reduce resistance, it is more energy saving.Second through-hole 2 and third through-hole 3 are located at the both sides of the first through hole 1,
Since the upper surface of flabellum is arcuate structure, it will be arranged at the intermediate position of flabellum for the first through hole of ventilation, to the greatest extent may be used
The increase ventilation quantity of energy.And the cavity at third through-hole 3 can be used as an anticollision chamber, be received in 3 place side of third through-hole
When shock, make entire flabellum that big deformation will not occur.
The flabellum ontology is provided at least one steel wire rope mounting hole 4 along its length, can be by steel wire rope
It is inserted into steel wire in mounting hole, when accident collision fracture occurs for flabellum, the effect of steel wire rope can be utilized not make breaking portion
It falls, avoids that safety accident occurs.In the present embodiment, the quantity of the steel wire rope mounting hole 4 is two, is separately positioned on described
The both sides of first through hole 1.
The upper surface of the flabellum ontology 10 is arcuate structure, so that entire flabellum is more in line with aerodynamics, in flabellum
During rotation, reduce resistance, it is more energy saving.
In conclusion a kind of fan provided by the invention, logical by being arranged one along its length on flabellum ontology
Hole, and one end of ventilation is connected to motor inner space, during flabellum rotates, using centrifugation force effect, make air
It is constantly flowed out along through-hole out of motor, plays the effect to fan electromotor fan heat.
The basic principles and main features and advantage of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Boundary.
Claims (10)
1. a kind of fan, including motor（100）With with the motor（100）The shaft being connected（200）, the shaft（200）
On be connected with flabellum ontology（10）, it is characterised in that：The flabellum ontology is provided with first through hole along its length（1）, institute
State first through hole（1）Close to the shaft（200）One end be connected with the air hose for air inlet（600）.
2. a kind of fan according to claim 1, it is characterised in that：The motor（100）Outer be fixedly installed shell
（500）, the shell（500）Lower surface and/or side be provided with air inlet, the air hose（600）For bending-like, one end
With the first through hole（1）Connection, the other end stretch to the motor（100）With shell（500）Between gap in.
3. a kind of fan according to claim 1, it is characterised in that：The motor（100）Outer be fixedly installed shell
（500）, the shell（500）It is additionally provided with heat dissipating housing outside, the lower surface and/or side of the heat dissipating housing are provided with air inlet,
The air hose（600）For bending-like, one end and the first through hole（1）Connection, the other end stretch to the shell（500）With
In gap between heat dissipating housing.
4. a kind of fan according to claim 2 or 3, it is characterised in that：The flabellum ontology（10）Close to the shaft
（200）One end upper and lower surface be respectively fixed with rubber block（20）With lower rubber block（30）, and the upper rubber block（20）With
Lower rubber block（30）With the flabellum ontology（10）Contact surface and flabellum ontology（10）Correspondence surface be bonded completely, it is described on
Rubber block（20）With lower rubber block（30）It has been respectively fixedly connected with sheet metal（400）With lower sheet metal（300）, and the lower gold
Belong to piece（300）With the shaft（200）It is fixedly connected, and the lower sheet metal（300）On be provided with for the air hose（600）It wears
The trepanning crossed.
5. a kind of fan according to claim 4, it is characterised in that：The upper rubber block（20）With lower rubber block（30）On
It is provided with the corresponding bolt hole at least two groups position（21）, the upper rubber block（20）With lower rubber block（30）By passing through
State bolt hole（21）With flabellum ontology（10）Bolt assembly（40）It is fixed on the flabellum ontology（10）Upper and lower surface.
6. a kind of fan according to claim 4, it is characterised in that：The upper rubber block（20）Upper surface and lower rubber
Block（30）Lower surface be both provided with multiple sheet metal mounting holes（22）, the upper rubber block（20）With lower rubber block（30）And gold
By being fixed on the mounting hole between category piece（22）In connector achieve a fixed connection, and the upper rubber block（20）It is upper
Surface and lower rubber block（30）Lower surface be both provided with the slot consistent with the sheet metal form（23）, the sheet metal is solid
It is scheduled on the slot（23）In.
7. a kind of fan according to claim 1, it is characterised in that：The flabellum ontology（10）It is arranged along its length
There is the second through-hole（2）And third through-hole（3）.
8. a kind of fan according to claim 7, it is characterised in that：Second through-hole（2）And third through-hole（3）It is located at
The first through hole（1）Both sides.
9. a kind of fan according to claim 1, it is characterised in that：The flabellum ontology be provided with along its length to
Few a wire rope mounting hole（4）.
10. a kind of fan according to claim 9, it is characterised in that：The steel wire rope mounting hole（4）Quantity be two
It is a, it is separately positioned on the first through hole（1）Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203795.4A CN108443178B (en) | 2018-03-13 | 2018-03-13 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203795.4A CN108443178B (en) | 2018-03-13 | 2018-03-13 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443178A true CN108443178A (en) | 2018-08-24 |
| CN108443178B CN108443178B (en) | 2024-07-26 |
Family
ID=63194934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810203795.4A Active CN108443178B (en) | 2018-03-13 | 2018-03-13 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443178B (en) |
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|---|---|---|---|---|
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| US20150308438A1 (en) * | 2014-04-23 | 2015-10-29 | Electric Torque Machines, Inc. | Self-Cooling Fan Assembly |
| CN105221451A (en) * | 2014-06-27 | 2016-01-06 | 上海市格致中学 | One revolves watering vapour cooling ceiling fan |
| CN204164033U (en) * | 2014-08-28 | 2015-02-18 | 中航商用航空发动机有限责任公司 | Hollow fan blade for aircraft engine |
| CN104285822A (en) * | 2014-09-29 | 2015-01-21 | 丁玉清 | Cooling and odor removing ceiling fan for pigsty |
| CN104314846A (en) * | 2014-10-15 | 2015-01-28 | 洛阳北玻台信风机技术有限责任公司 | Industrial large fan with fan protection measures |
| TWM530888U (en) * | 2016-06-14 | 2016-10-21 | Jian-Xuan Lin | Blade |
| CN107084150A (en) * | 2016-11-10 | 2017-08-22 | 上海沃克通用设备有限公司 | Resisting blower axle |
| CN208364426U (en) * | 2018-03-13 | 2019-01-11 | 吴江市大印墨风力发电机制造有限公司 | A kind of fan |
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