CN109654059A - Impeller and motor - Google Patents
Impeller and motor Download PDFInfo
- Publication number
- CN109654059A CN109654059A CN201811634696.8A CN201811634696A CN109654059A CN 109654059 A CN109654059 A CN 109654059A CN 201811634696 A CN201811634696 A CN 201811634696A CN 109654059 A CN109654059 A CN 109654059A
- Authority
- CN
- China
- Prior art keywords
- ventilating duct
- sealing ring
- impeller
- face
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 111
- 238000005452 bending Methods 0.000 claims abstract description 3
- 230000004308 accommodation Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035807 sensation 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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
-
- 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
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
-
- 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
Abstract
The present invention relates to motor field, disclosing a kind of impeller and motor, impeller includes: upper mounted plate, opens up air-guiding hole；Bottom plate, along the axis of air-guiding hole, and coaxial arrangement opposite with upper mounted plate；Several blades, it is fixed between upper mounted plate and bottom plate, it is characterized by: upper mounted plate, from air-guiding hole hole to the direction far from air-guiding hole, upper mounted plate has part to extend to form ventilating duct towards the direction bending far from bottom plate, the end face of ventilating duct is a cutting edge.Since the end face of ventilating duct is a cutting edge, the end face of ventilating duct can quickly be cut in sealing ring, at this time, contact surface between sealing ring and ventilating duct is the face of a relative smooth, frictional force between ventilating duct and sealing ring can be dramatically reduced, smaller or melt sealing ring not so as to reduce the heat generated by frictional force, and then it can avoid adhesion occur between impeller and sealing ring, therefore can be improved the working performance of the affiliated motor of impeller.
Description
Technical field
The present invention relates to motor field, in particular to a kind of impeller and motor.
Background technique
In motor field, especially in high-speed brushless motor field, the sealing state of the air inlet of blower is extremely to close
Key, in the prior art, the entrance and sealing ring that impeller is usually used support together, and the entrance of general impeller is one
A plane, when impeller is rotated relative to sealing ring, sealing ring is worn into a rough surface by the entrance drag seal of impeller,
Since the face that sealing ring is contacted with impeller is a rough surface, very big frictional force can be generated between impeller and sealing ring, and
After prolonged high-speed friction, impeller large area can be made to melt, so that occur adhesion phenomenon between impeller and sealing ring,
Especially motor is out of service and then after restarting, and due to bonding together between impeller and sealing ring, will be greatly reduced
The working performance of the affiliated motor of impeller.
Summary of the invention
The purpose of the present invention is to provide a kind of impeller and motors, so that the friction between impeller and sealing ring reduces, from
And the melted mass of sealing ring can be reduced, or melt sealing ring not, and then the adhesion between impeller and sealing ring can be reduced.
In order to solve the above technical problems, embodiments of the present invention provide a kind of impeller, comprising:
Upper mounted plate opens up air-guiding hole；
Bottom plate, along the axis of the air-guiding hole, and coaxial arrangement opposite with fixed plate；
Several blades are fixed between fixed plate and the bottom plate, it is characterised in that:
For fixed plate from the air-guiding hole hole to the direction far from the air-guiding hole, fixed plate has part court
Direction bending far from the bottom plate extends to form ventilating duct, and the end face of the ventilating duct is a cutting edge.
Embodiment of the present invention in terms of existing technologies, since the end face of ventilating duct is a cutting edge, works as impeller
When relative to sealing ring rotation, for ventilating duct since its end face is a cutting edge, the end face of ventilating duct can quickly cut sealing
In circle, at this point, the contact surface between sealing ring and ventilating duct is the face of a relative smooth, compared with the prior art in ventilating duct
End face be a flat surface, for the scheme that the face which contacts sealing ring with impeller rubs into a rough surface, ventilating duct
Frictional force between sealing ring can be dramatically reduced, smaller or make close so as to reduce the heat generated by frictional force
Seal is not melted, and then can avoid adhesion occur between impeller and sealing ring, due to can reduce or avoid impeller and sealing ring it
Between adhesion, therefore can be improved the working performance of the affiliated motor of impeller.
In addition, the end face of the ventilating duct opens up multiple notch.Since the end face of ventilating duct offers multiple notch,
The clast for the sealing ring that the cutting edge of ventilating duct is cut away can be discharged by these notch, clast is avoided to be stuck in the end of ventilating duct
Between face and sealing ring, increase the frictional force between ventilating duct and sealing ring.
In addition, each notch is set around the equidistant ring of axis of the ventilating duct.Since each notch is the axis around ventilating duct
What equidistant ring was set, therefore, equably the clast between ventilating duct and sealing ring can be discharged by each notch, to the maximum extent
Reduce the amount of clast.
In addition, the notch is U-shaped or V-notch.
In addition, the direction of the cutting edge and the axis side of the ventilating duct are parallel to each other.
In addition, the present invention also provides a kind of motors, specifically, the motor includes:
Shell, comprising: for surrounding the inner ring of air inlet, the outer ring opposite with the inner ring, the inner ring and described outer
Annular accommodation groove is formed between circle；
Sealing ring is embedded in the annular accommodation groove；
Impeller as described above；The ventilating duct of the impeller is partially submerged into the annular accommodation groove, and the wind-guiding
The cutting edge of cylinder is cut in the sealing ring, and is fitted closely with the sealing ring.
Embodiment of the present invention in terms of existing technologies, since the end face of ventilating duct is a cutting edge, works as impeller
When relative to sealing ring rotation, for ventilating duct since its end face is a cutting edge, the end face of ventilating duct can quickly cut sealing
In circle, at this point, the contact surface between sealing ring and ventilating duct is the face of a relative smooth, compared with the prior art in ventilating duct
End face be a flat surface, for the scheme that the face which contacts sealing ring with impeller rubs into a rough surface, ventilating duct
Frictional force between sealing ring can be dramatically reduced, smaller or make close so as to reduce the heat generated by frictional force
Seal is not melted, and then can avoid adhesion occur between impeller and sealing ring, due to can reduce or avoid impeller and sealing ring it
Between adhesion, therefore can be improved the working performance of the affiliated motor of impeller.
In addition, the sealing ring is flexible seal ring.Since sealing ring is flexible seal ring, ventilating duct incision sealing
After in circle, sealing ring can wrap ventilating duct, avoid occurring gap between sealing ring and ventilating duct, so as to increase motor
Sealing performance.
In addition, the flexible seal ring is foamed plastic sealing ring or silica gel sealing ring.
In addition, the inner ring of the shell is spaced from each other with the ventilating duct.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of impeller in first embodiment of the invention；
Fig. 2 is impeller and the structural schematic diagram after sealing ring assembly in first embodiment of the invention；
Fig. 3 is the structural schematic diagram of motor in second embodiment of the invention
Fig. 4 is the cross-sectional view in Fig. 3 at A-A；
Fig. 5 is the enlarged drawing in Fig. 4 at A.
Appended drawing reference: 1, upper mounted plate；2, bottom plate；3, blade；11, air-guiding hole；4, ventilating duct；41, cutting edge；42,
Notch；5, sealing ring；6, shell；61, inner ring；62, outer ring；63, annular accommodation groove；7, impeller；8, rotor；9, stator.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of impellers, as illustrated in fig. 1 and 2, the impeller include: upper mounted plate 1, under
Fixed plate 2 and several blades 3, wherein open up air-guiding hole 11 on upper mounted plate 1, bottom plate 2 along air-guiding hole 11 axis,
Opposite with upper mounted plate 1 and be coaxially disposed, each blade 3 is fixed between upper mounted plate 1 and bottom plate 2, and upper fixation
For plate 1 from air-guiding hole 11 to the direction far from air-guiding hole 11, upper mounted plate 1 has part towards the direction bent far from bottom plate 2
At ventilating duct 4, and the end face of the ventilating duct 4 is a cutting edge 41.The sealing ring 5 of ventilating duct 4 and motor is coaxially disposed, cutting edge
In 41 incision sealing rings 5, in a practical situation, each blade 3 is fixed by upper mounted plate 1 and bottom plate 2, works as wheel rotation
When, each blade 3 agitates air-flow, by air-flow by this point, passing through the guiding of ventilating duct 4, making to bring about the desired sensation in 11 intake impeller of air-guiding hole
Stream more swimmingly enters in impeller, and each blade 3 can be welded or riveted on upper mounted plate 1 and bottom plate 2.
Embodiment of the present invention in terms of existing technologies, since the end face of ventilating duct 4 is a cutting edge 41, works as leaf
When wheel is rotated relative to sealing ring 5, since its end face is a cutting edge 41, the end face of ventilating duct 4 can quickly be cut ventilating duct 4
Enter in sealing ring 5, at this point, the contact surface between sealing ring 5 and ventilating duct 4 is the face of a relative smooth, compared to existing skill
The end face of ventilating duct 4 is a flat surface in art, the scheme that the face which contacts sealing ring 5 with impeller rubs into a rough surface
For, the frictional force between ventilating duct 4 and sealing ring 5 can be dramatically reduced, so as to reduce the heat generated by frictional force
Amount, it is smaller or melt sealing ring 5 not, and then can avoid adhesion occur between impeller and sealing ring 5, due to that can reduce or avoid
Adhesion between impeller and sealing ring 5, therefore can be improved the working performance of the affiliated motor of impeller.
In addition, it is necessary to, it is emphasized that when the end face of ventilating duct 4 be a cutting edge 41 when, can not only reduce impeller with
Frictional force between sealing ring 5, but also the sealing performance between impeller and sealing ring 5 can be increased, and then improve impeller
Practicability, specific as follows, since the end face of ventilating duct 4 is a cutting edge 41, the upper edge by proximal end face of ventilating duct 4 can be cut
Enter in sealing ring 5, at this time, that is to say, that sealing ring 5 encases ventilating duct 4, is and ventilating duct 4 compared to sealing ring 5
For the scheme that end face supports, leakproofness can be more preferable between sealing ring 5 and ventilating duct 4, and air-flow can be further prevented from sealing ring 5
It is leaked out in gap between ventilating duct 4, enables air-flow completely into impeller.
In addition, specifically, as shown in Figure 1, multiple notch 42 are also opened up on the end face of ventilating duct 4, due to the end of ventilating duct 4
Multiple notch 42, therefore the clast for the sealing ring 5 that the cutting edge 41 of ventilating duct 4 can be cut away by these notch 42 are opened up on face
It discharges, clast is avoided to be stuck between the end face of ventilating duct 4 and sealing ring 5, increase the friction between ventilating duct 4 and sealing ring 5
Power.
Specifically, as shown in Figure 1, in the present embodiment, the quantity of notch 42 is four, and four notch 42 are around ventilating duct
The equidistant ring of 4 axis is set, since each notch 42 is set around the equidistant ring of axis of ventilating duct 4, can be equal by each notch 42
The clast between ventilating duct 4 and sealing ring 5 is discharged evenly, avoid clast local accumulation in ventilating duct 4 and sealing ring 5 it
Between, therefore the amount of clast can be reduced to the maximum extent.
In addition, specifically, as shown in Figure 1, notch 42 be a V-notch 42, certainly, in a practical situation, notch 42
It may be a U-shaped, since notch 42 is V-arrangement or U-shaped, opening is opening, and larger, therefore can be facilitated ventilating duct
Clast between 4 end faces and sealing ring 5 discharges.
In addition, the direction of cutting edge 41 is parallel with the axis direction of ventilating duct 4, due to direction and the ventilating duct 4 of cutting edge 41
Axis direction is parallel, that is to say, that ventilating duct 4 is in vertical incision sealing ring 5, at this point, impeller only needs opposing seal circle
5 turn one or two circles, so that it may sealing ring 5 is cut, thus the sealing ring 5 that the cutting edge 41 that can further improve ventilating duct 4 is cut
The smooth degree in incision face, and then the frictional force between ventilating duct 4 and sealing ring 5 can be further decreased.
Second embodiment of the present invention is related to a kind of motor, specifically, the motor includes: shell as shown in Fig. 3 to 5
6, sealing ring 5, wherein specifically, shell 6 include: for surrounding the inner ring 61 of air inlet, the outer ring 62 opposite with inner ring 61,
It is fixedly connected between inner ring 61 and outer ring 62, and forms annular accommodation groove 63 between inner ring 61 and outer ring 62, sealing ring 5 is embedded
In annular accommodation groove 63, in a practical situation, inner ring 61 and outer ring 62 be can be welded together, certain inner ring 61 and outer ring 62
It can be integrally formed, which mutually supports with inner ring 61 and outer ring 62.
Meanwhile as shown in Figures 4 and 5, motor further include: the impeller 7 in first embodiment, impeller 7 are arranged in shell 6
It is interior, and be coaxially disposed with shell 6, the ventilating duct 4 of impeller 7 is partially submerged into annular accommodation groove 63, the cutting edge 41 of ventilating duct 4
It cuts in sealing ring 5, and is fitted closely with sealing ring 5, sealing ring 5, shell 6 and impeller 7 are coaxially disposed.
Embodiment of the present invention in terms of existing technologies, since the end face of ventilating duct 4 is a cutting edge 41, works as leaf
When wheel 7 is rotated relative to sealing ring 5, for ventilating duct 4 since its end face is a cutting edge 41, the end face of ventilating duct 4 can be quick
It cuts in sealing ring 5, at this point, the contact surface between sealing ring 5 and ventilating duct 4 is the face of a relative smooth, compared to existing
The end face of ventilating duct 4 is a flat surface in technology, the side that the face which contacts sealing ring 5 with impeller rubs into a rough surface
For case, the frictional force between ventilating duct 4 and sealing ring 5 can be dramatically reduced, and generate so as to reduce because of frictional force
Heat, it is smaller or melt sealing ring 5 not, and then can avoid adhesion occur between impeller and sealing ring 5, due to that can reduce or keep away
Exempt from the adhesion between impeller and sealing ring 5, therefore can be improved the working performance of the affiliated motor of impeller.
In addition, it is necessary to, it is emphasized that when the end face of ventilating duct 4 be a cutting edge 41 when, can not only reduce impeller 7 with
Frictional force between sealing ring 5, but also the sealing performance between impeller 7 and sealing ring 5 can be increased, and then improve impeller 7
Practicability, it is specific as follows, due to ventilating duct 4 end face be a cutting edge 41, the upper edge by proximal end face of ventilating duct 4 can
It cuts in sealing ring 5, at this time, that is to say, that sealing ring 5 encases ventilating duct 4, is and ventilating duct 4 compared to sealing ring 5
The scheme that supports of end face for, leakproofness can be more preferable between sealing ring 5 and ventilating duct 4, air-flow can be further prevented from sealing
It is leaked out in gap between circle 5 and ventilating duct 4, enables air-flow completely into impeller 7.
In addition, specifically, sealing ring 5 is flexible seal ring 5, since sealing ring 5 is flexible seal ring 5, ventilating duct 4
After cutting in sealing ring 5, sealing ring 5 can wrap ventilating duct 4, avoid gap occur between sealing ring 5 and ventilating duct 4, from
And the sealing performance of motor can be increased.
In addition, the flexible seal ring 5 is foamed plastic sealing ring 5 or silica gel sealing ring 5.
In addition, the inner ring 61 of the shell 6 is spaced from each other with the ventilating duct 4.
In addition, specifically, in the present embodiment, as shown in Figures 4 and 5, motor further include: be arranged in shell 6 and turn
Son 8 and stator 9, specifically, rotor 8 and stator 9 are arranged in the outer ring 62 of shell 6, which is a shaft, this turn
Axis is fixedly and coaxially connected with bottom plate 2, by rotor 8 can impeller rotate, thus by shell 6 outside air-flow sucking
In impeller, the driving of stator 9 is rotated.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of impeller, comprising:
Upper mounted plate (1) opens up air-guiding hole (11)；
Bottom plate (2), the axis along the air-guiding hole (11), and coaxial arrangement opposite with fixed plate (1)；
Several blades (3), are fixed between fixed plate (1) and the bottom plate (2), it is characterised in that:
Fixed plate (1) is from the air-guiding hole (11) to the direction far from the air-guiding hole (11), fixed plate (1)
There is part to extend to form ventilating duct (4) towards the direction bending far from the bottom plate (2), the end face of the ventilating duct (4) is
One cutting edge (41).
2. impeller according to claim 1, which is characterized in that the end face of the ventilating duct (4) opens up multiple notch (42).
3. impeller according to claim 2, which is characterized in that axis of each notch (42) around the ventilating duct (4)
Equidistant ring is set.
4. impeller according to claim 2, which is characterized in that the notch (42) is U-shaped or V-notch (42).
5. impeller according to claim 1, which is characterized in that the direction of the cutting edge (41) and the ventilating duct (4)
Axis side is parallel to each other.
6. a kind of motor characterized by comprising
Shell (6), comprising: described interior for surrounding inner ring (61) and the inner ring (61) opposite outer ring (62) of air inlet
It encloses between (61) and the outer ring (62) and forms annular accommodation groove (63)；
Sealing ring (5) is embedded in the annular accommodation groove (63)；
Impeller (7) as described in claim 1 to 5 any one；The ventilating duct (4) of the impeller (7) is partially submerged into described
In annular accommodation groove (63), and the cutting edge (41) of the ventilating duct (4) is cut in the sealing ring (5), and with the sealing ring
(5) it fits closely.
7. motor according to claim 5, which is characterized in that the sealing ring (5) is flexible seal ring (5).
8. motor according to claim 7, which is characterized in that the flexible seal ring (5) is foamed plastic sealing ring (5)
Or silica gel sealing ring (5).
9. motor according to claim 6, which is characterized in that the inner ring (61) of the shell (6) and the ventilating duct (4)
It is spaced from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634696.8A CN109654059A (en) | 2018-12-29 | 2018-12-29 | Impeller and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634696.8A CN109654059A (en) | 2018-12-29 | 2018-12-29 | Impeller and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109654059A true CN109654059A (en) | 2019-04-19 |
Family
ID=66117867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634696.8A Pending CN109654059A (en) | 2018-12-29 | 2018-12-29 | Impeller and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654059A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001065494A (en) * | 1999-08-30 | 2001-03-16 | Hitachi Ltd | Electric air blower and assembling method of centrifugal fan |
| JP2008057485A (en) * | 2006-09-01 | 2008-03-13 | Sanyo Electric Co Ltd | Electric blower |
| JP2008267299A (en) * | 2007-04-23 | 2008-11-06 | Matsushita Electric Ind Co Ltd | Electric blower and electric vacuum cleaner using same |
| US20110211963A1 (en) * | 2010-02-26 | 2011-09-01 | Katrin Bohl | Radial or diagonal fan wheel |
| JP2011247098A (en) * | 2010-05-24 | 2011-12-08 | Sanyo Electric Co Ltd | Electric blower |
| CN205195473U (en) * | 2015-12-01 | 2016-04-27 | 宁波德昌电机制造有限公司 | Low vibrating motor |
| EP3293399A1 (en) * | 2016-09-08 | 2018-03-14 | Miele & Cie. KG | Fan assembly for a household appliance, such as vacuum cleaners |
| CN209781281U (en) * | 2018-12-29 | 2019-12-13 | 追创科技(苏州)有限公司 | impeller and motor |
-
2018
- 2018-12-29 CN CN201811634696.8A patent/CN109654059A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001065494A (en) * | 1999-08-30 | 2001-03-16 | Hitachi Ltd | Electric air blower and assembling method of centrifugal fan |
| JP2008057485A (en) * | 2006-09-01 | 2008-03-13 | Sanyo Electric Co Ltd | Electric blower |
| JP2008267299A (en) * | 2007-04-23 | 2008-11-06 | Matsushita Electric Ind Co Ltd | Electric blower and electric vacuum cleaner using same |
| US20110211963A1 (en) * | 2010-02-26 | 2011-09-01 | Katrin Bohl | Radial or diagonal fan wheel |
| JP2011247098A (en) * | 2010-05-24 | 2011-12-08 | Sanyo Electric Co Ltd | Electric blower |
| CN205195473U (en) * | 2015-12-01 | 2016-04-27 | 宁波德昌电机制造有限公司 | Low vibrating motor |
| EP3293399A1 (en) * | 2016-09-08 | 2018-03-14 | Miele & Cie. KG | Fan assembly for a household appliance, such as vacuum cleaners |
| CN209781281U (en) * | 2018-12-29 | 2019-12-13 | 追创科技(苏州)有限公司 | impeller and motor |
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| CB02 | Change of applicant information |
Address after: 215104 Building No. 178, Tayun Road, Yuexi Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province, 2 floors Applicant after: Pursuit innovation technology (Suzhou) Co.,Ltd. Applicant after: ZHUIMI TECHNOLOGY (TIANJIN) Co.,Ltd. Address before: 215104 Building No. 178, Tayun Road, Yuexi Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province, 2 floors Applicant before: ZHUICHUANG TECHNOLOGY (SUZHOU) Co.,Ltd. Applicant before: ZHUIMI TECHNOLOGY (TIANJIN) Co.,Ltd. |
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