CN112901532A - Fan of dust collector - Google Patents
Fan of dust collector Download PDFInfo
- Publication number
- CN112901532A CN112901532A CN202110121183.2A CN202110121183A CN112901532A CN 112901532 A CN112901532 A CN 112901532A CN 202110121183 A CN202110121183 A CN 202110121183A CN 112901532 A CN112901532 A CN 112901532A
- Authority
- CN
- China
- Prior art keywords
- impeller
- casing
- rotor
- movable
- vacuum cleaner
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials 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
- F04D29/444—Bladed diffusers
-
- 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
-
- 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
- F04D29/663—Sound attenuation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a dust collector fan, which comprises a casing with an opening at one end, wherein a plurality of air outlets are arranged on the peripheral wall of the casing, a pair of electric brush assemblies are symmetrically connected with the air outlets, a rotor is rotatably arranged inside the casing, the stator is sleeved outside the rotor, the movable impeller is sleeved on the part of the rotor extending out of the opening end of the casing, an impeller cover which is sealed and connected with the opening end of the casing in a clamping mode is sleeved outside the movable impeller, the rotor is further sleeved with a fixed impeller which is connected with the casing in a sliding mode, the fixed impeller comprises a disc-shaped body attached to the movable impeller, a plurality of lower blades which are spirally and uniformly distributed on the periphery of the movable impeller are arranged on the peripheral wall of the body in the axial direction of the movable impeller, the adjacent lower blades gradually narrow from the outer side to the body, and upper blades which are connected with the edges of the outer sides and the outer edges of the upper blades in a one-to-one correspondence mode are arranged on the surface of the. The invention solves the technical problem of how to effectively improve the air guide efficiency of the dust collector fan.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a fan of a dust collector.
Background
The fan of the dust collector is a core functional component of the dust collector, and the quality of the dust collector is directly determined by the performance of the fan of the dust collector. The blade structure of the fixed impeller of the dust collector fan in the prior art is unreasonable, and the method specifically comprises the following steps: the air inlet duct that encloses to establish and form between the adjacent lower blade in the movable vane outside is wide before back narrow, and the air intake in the wind channel that forms between the adjacent upper blade and the air outlet non-corresponding butt joint in the air inlet duct that forms between the adjacent lower blade, and is obvious, and this kind of structure forms the vortex easily and flows back, is unfavorable for switching on of wind to lead to the wind-guiding inefficiency of fan, the dust absorption effect of dust catcher is poor.
Disclosure of Invention
In view of the defects in the background art, the invention provides a dust collector fan, and solves the technical problem of how to effectively improve the air guide efficiency of the dust collector fan.
In order to solve the technical problem, the invention provides a dust collector fan, which comprises a casing with an opening at one end, wherein a plurality of air outlets uniformly distributed along the circumferential direction are formed in the outer circumferential wall of the casing, the casing is connected with a pair of symmetrically arranged electric brush assemblies, a vertically arranged rotor is rotatably arranged in the casing, a stator which is sleeved outside the rotor in a coaxial clearance manner and is electrically connected with the electric brush assemblies is fixedly connected with the casing, the bottom end of the rotor sequentially extends out of the opening ends of the stator and the casing downwards, a horizontally arranged movable impeller is hermetically sleeved on the part of the rotor extending out of the opening end of the casing, an impeller cover which is hermetically clamped on the opening end of the casing is sleeved on the outer side of the movable impeller in a coaxial clearance manner, an air inlet corresponding to an air inlet of the movable impeller is formed in the impeller cover, and an air inlet which is horizontally arranged in the impeller cover is slidably sleeved on the part of the rotor between the The fixed impeller is detachably connected with the open end of the casing, the fixed impeller comprises a body which is attached to the movable impeller, the edge of the body is positioned on the outer side of the movable impeller, the body is disc-shaped, a plurality of lower blades are spirally and uniformly distributed on the periphery of the movable impeller along the axial direction of the body towards the direction of the movable impeller, a plurality of lower blades are arranged between every two adjacent lower blades and gradually narrow along the direction from the outer side to the body, and the body is provided with a plurality of upper blades which are connected with the outer edges of the upper blades in a one-to-one correspondence mode along the circumferential direction on the surface departing from the movable impeller.
In a preferred embodiment of the invention, the number of the lower blades is 13-17.
In a preferred embodiment of the present invention, the number of the under blades is an odd number.
In a preferred embodiment of the present invention, the number of the lower blades is 15.
In a preferred embodiment of the present invention, the upper blade and the lower blade are both arc-shaped.
In a preferred embodiment of the present invention, the edges of the upper blade and the lower blade are both provided with a plurality of tooth-shaped grooves arranged in parallel at equal intervals.
In a preferred embodiment of the present invention, the number of the tooth-shaped grooves is 2 to 5.
In a preferred embodiment of the present invention, the serrated groove is rectangular, V-shaped, trapezoidal, or involute-shaped.
In a preferred embodiment of the present invention, the fixed impeller is screwed to the open end of the casing through an iron bracket.
In a preferred embodiment of the present invention, the casing and the impeller housing are made of aluminum or aluminum alloy.
The invention has the beneficial effects that: the plurality of air outlets are uniformly distributed on the outer side wall of the shell along the axial direction of the shell, the air inlet is arranged at the position, corresponding to the air inlet of the movable impeller, of the impeller cover, the fixed impeller is arranged to be a body which is jointed with the movable impeller, the edge of the fixed impeller is positioned on the outer side of the movable impeller and is in a disc shape, the fixed impeller is spirally and uniformly distributed on the periphery of the movable impeller along the axial direction of the body, the lower blades and the upper blades are arranged on the surface, deviating from the impeller, of the body along the circumferential direction of the body, the outer side of each lower blade is correspondingly connected with the outer side edge of each upper blade, and the adjacent lower blades are gradually narrowed along the direction from the outer side to the body, so that air guiding is smooth, vortex and backflow in the air guiding process is effectively avoided, and the technical effect of. Compared with the prior art, the air guide efficiency is high, the output power is large, and the dust collection effect of the dust collector is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure of the present invention;
FIG. 3 is a schematic structural view of a stationary vane wheel in the present invention;
FIG. 4 is a schematic view of another embodiment of the stator vane of the present invention;
the reference numbers in the figures illustrate: 1. the device comprises a shell, 11, an air outlet, 2, a brush assembly, 3, a rotor, 4, a stator, 5, a movable impeller, 6, an impeller cover, 61, an air inlet, 7, a fixed impeller, 71, a body, 72, a lower blade, 73 and an upper blade.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, 2, 3 and 4: a dust collector fan comprises a casing 1 with an opening at one end, a plurality of air outlets 11 uniformly distributed along the circumferential direction are arranged on the circumferential wall of the casing 1, and are connected with a pair of brush components 2 which are symmetrically arranged, a vertically arranged rotor 3 is rotatably arranged in the casing 1, a stator 4 which is sleeved outside the rotor 3 and is electrically connected with the brush components 2 is fixedly connected with a coaxial gap, the bottom end of the rotor 3 extends downwards to sequentially extend out of the stator 4 and the opening end of the casing 1, a horizontally arranged movable impeller 5 is hermetically sleeved on the part of the rotor 3 extending out of the opening end of the casing 1, an impeller cover 6 which is hermetically clamped on the opening end of the casing 1 is sleeved on the outer side of the movable impeller 5 in the coaxial gap, an air inlet 61 corresponding to the air inlet of the movable impeller 5 is arranged on the impeller cover 6, thus ensuring that the air entering the air inlet 61 completely enters, the rotor 3 is slidably sleeved with a fixed impeller 7 which is horizontally positioned in an impeller cover 6 and is detachably connected with the opening end of the casing 1 at the part between the opening end of the casing 1 and the movable impeller 5, the fixed impeller 7 comprises a body 71 which is jointed with the movable impeller 5, the edge of the body is positioned at the outer side of the movable impeller 5 and is in a disc shape, a plurality of lower blades 72 which are spirally and uniformly distributed at the periphery of the movable impeller 5 are arranged on the peripheral wall of the body 71 along the axial direction of the body 71 towards the direction of the movable impeller 5, the adjacent lower blades 72 are gradually narrowed along the direction from the outer side to the body 71, so that an air duct formed between the adjacent upper blades 73 can have certain negative pressure, thereby effectively avoiding the generation of backflow and vortex, the upper blades 73 which are correspondingly connected with the outer edges of the outer sides of the upper blades 73 one by one are arranged on the surface of the body 71 which deviates from the movable impeller 5 along the circumferential direction, thereby, and avoids the loss of air quantity. In this embodiment, the technical effect of effectively improving the air guiding efficiency of the vacuum cleaner fan is achieved through the position arrangement of the air inlet 61 and the air outlet 11 and the structural cooperation of the fixed impeller 7.
In a preferred embodiment of the present invention, the number of the lower blades 72 is 13-17, which not only effectively reduces the production cost, but also reduces the wind resistance generated by the fixed impeller 7, thereby further improving the output power and the wind guiding efficiency.
In a preferred embodiment of the invention, the number of lower blades 72 is odd, which arrangement effectively avoids resonance of the cleaner fan in use.
In a preferred embodiment of the present invention, the number of the lower blades 72 is 15, and experiments show that the number of the upper blades 73 and the lower blades 72 is the largest compared with other numbers, and the output power is the largest and the wind guiding efficiency is the highest.
In a preferred embodiment of the present invention, the upper blade 73 and the lower blade 72 are both arc-shaped, so that the wind guiding is smooth, and the loss of wind volume is reduced.
In a preferred embodiment of the present invention, the edges of the upper blade 73 and the lower blade 72 are respectively provided with a plurality of tooth-shaped grooves arranged in parallel at equal intervals, the number of the tooth-shaped grooves is 2-5, and the tooth-shaped grooves are rectangular, V-shaped, trapezoidal, or involute-shaped, so that the technical effect of reducing noise is achieved without increasing production cost.
In a preferred embodiment of the present invention, the fixed impeller 7 is screwed to the open end of the casing 1 through an iron bracket, which is provided to facilitate the mounting and dismounting of the fixed impeller 7, and to adjust the gap between the body 71 of the fixed impeller 7 and the movable impeller 5.
In a preferred embodiment of the present invention, the casing 1 and the impeller cover 6 are made of aluminum or aluminum alloy, so that the fan of the vacuum cleaner has good heat dissipation effect.
In summary, the plurality of air outlets 11 are uniformly distributed on the outer side wall of the casing 1 along the axial direction of the casing 1, the air inlet 61 is arranged at the position where the impeller cover 6 corresponds to the air inlet 61 of the movable impeller 5, the fixed impeller 7 is arranged as a body 71 which is attached to the movable impeller 5 and has the edge positioned at the outer side of the movable impeller 5 and is in a disc shape, a plurality of lower blades 72 which are spirally distributed at the periphery of the movable impeller 5 along the axial direction of the body 71 towards the direction of the movable impeller 5, and a plurality of upper blades 73 which are arranged on the body 71 along the circumferential direction of the body 71 and deviate from the impeller surface and have the outer side correspondingly connected with the outer edges of the upper blades 73, and the adjacent lower blades 72 are gradually narrowed from the outer side to the body 71, so that the air guiding efficiency of the vacuum cleaner fan is smooth, and the air guiding efficiency can be effectively avoided from the generation of vortex and the backflow in the air guiding process due to, the air guide device has the advantages of high air guide efficiency, large output power, good dust collection effect of the dust collector and the like.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a dust catcher fan, its characterized in that, includes one end open-ended casing, set up a plurality of air outlets along circumference equipartition on the periphery wall of casing to be connected with the brush subassembly that a pair of symmetry set up, the rotor of vertical setting is installed to the casing internal rotation to fixedly connected with coaxial clearance cover is established outside the rotor and with the stator that the brush subassembly electricity is connected, the bottom of rotor stretches out downwards in proper order the stator with the open end of casing, the rotor stretches out airtight suit has the movable vane wheel that the level set up on the part of the open end of casing, the outside coaxial clearance cover of movable vane wheel is equipped with airtight joint and is in impeller cover on the open end of casing, set up on the impeller cover with the corresponding air intake in income wind gap of movable vane wheel, the rotor be located the open end of casing with the sliding fit is equipped with the level in the impeller cover and with the open end of casing is in the impeller cover The fixed impeller comprises a body which is attached to the movable impeller, the edge of the body is positioned on the outer side of the movable impeller and is disc-shaped, a plurality of lower blades which are spirally and uniformly distributed on the periphery of the movable impeller are arranged on the peripheral wall of the body in the axial direction of the body towards the direction of the movable impeller, the adjacent lower blades gradually narrow from the outer side to the body, and a plurality of upper blades which are connected with the outer edges of the upper blades in a one-to-one correspondence mode are arranged on the surface of the body, which is far away from the movable impeller, along the circumferential direction.
2. The vacuum cleaner fan of claim 1, wherein the number of lower blades is 13-17.
3. The vacuum cleaner fan of claim 2, wherein the number of lower blades is an odd number.
4. The vacuum cleaner fan of claim 3, wherein the number of lower blades is 15.
5. The vacuum cleaner fan of claim 1, wherein the upper blade and the lower blade are each arcuate.
6. The vacuum cleaner fan as claimed in claim 1, wherein the edges of the upper blade and the lower blade are provided with a plurality of tooth-shaped grooves which are arranged in parallel at equal intervals.
7. The vacuum cleaner fan of claim 6, wherein the number of the tooth-shaped grooves is 2-5.
8. The vacuum cleaner blower of claim 6, wherein the serrated groove is rectangular, V-shaped, trapezoidal, or involute shaped.
9. The vacuum cleaner fan of claim 1, wherein the fixed impeller is threadably attached to the open end of the housing by an iron bracket.
10. The vacuum cleaner blower of claim 1, wherein the housing and the impeller cup are both made of aluminum or an aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121183.2A CN112901532A (en) | 2021-01-28 | 2021-01-28 | Fan of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121183.2A CN112901532A (en) | 2021-01-28 | 2021-01-28 | Fan of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901532A true CN112901532A (en) | 2021-06-04 |
Family
ID=76119931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110121183.2A Pending CN112901532A (en) | 2021-01-28 | 2021-01-28 | Fan of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901532A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025440A (en) * | 2006-07-20 | 2008-02-07 | Toshiba Corp | Electric blower |
| CN101608630A (en) * | 2008-06-17 | 2009-12-23 | 日立空调·家用电器株式会社 | Electric blower and electric vacuum cleaner equipped with the same |
| CN201944005U (en) * | 2010-11-23 | 2011-08-24 | 刘志洪 | High-efficiency electric fan fixed impeller for vacuum cleaners |
| CN202288139U (en) * | 2011-09-28 | 2012-07-04 | 台山市江口电器制造有限公司 | Alternating-current series motor for dust collector |
| TW201800048A (en) * | 2016-06-28 | 2018-01-01 | 三菱電機股份有限公司 | Electric blower and electric vacuum cleaner |
| CN210749016U (en) * | 2019-06-24 | 2020-06-16 | 苏州永捷电机有限公司 | Vacuum cleaner motor |
| US20200263704A1 (en) * | 2017-01-24 | 2020-08-20 | Hitachi, Ltd. | Fluid apparatus |
-
2021
- 2021-01-28 CN CN202110121183.2A patent/CN112901532A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025440A (en) * | 2006-07-20 | 2008-02-07 | Toshiba Corp | Electric blower |
| CN101608630A (en) * | 2008-06-17 | 2009-12-23 | 日立空调·家用电器株式会社 | Electric blower and electric vacuum cleaner equipped with the same |
| CN201944005U (en) * | 2010-11-23 | 2011-08-24 | 刘志洪 | High-efficiency electric fan fixed impeller for vacuum cleaners |
| CN202288139U (en) * | 2011-09-28 | 2012-07-04 | 台山市江口电器制造有限公司 | Alternating-current series motor for dust collector |
| TW201800048A (en) * | 2016-06-28 | 2018-01-01 | 三菱電機股份有限公司 | Electric blower and electric vacuum cleaner |
| US20200263704A1 (en) * | 2017-01-24 | 2020-08-20 | Hitachi, Ltd. | Fluid apparatus |
| CN210749016U (en) * | 2019-06-24 | 2020-06-16 | 苏州永捷电机有限公司 | Vacuum cleaner motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112806902B (en) | Motor and dust catcher | |
| CN107044432B (en) | Mute broken wall cooking machine with large heat dissipation air quantity | |
| CN205622460U (en) | Brushless dust catcher electric wind machine | |
| CN213574745U (en) | Compressor applied to dust collector and dust collector | |
| CN212015462U (en) | Low-noise efficient motor and dust collector | |
| CN112901532A (en) | Fan of dust collector | |
| CN205618393U (en) | Adopt axial flux brushless motor's dust collector fan | |
| CN208835935U (en) | Vacuum Cleaner Motor Assembly | |
| CN217354846U (en) | Fan and floor cleaning machine | |
| CN205622447U (en) | Adopt axial flux brushless motor's dust collector fan | |
| CN215409276U (en) | Wet or dry dust catcher motor and dust catcher | |
| CN113708570B (en) | Slip ring chamber cooling structure of doubly-fed wind generator | |
| CN210749017U (en) | Motor of dust collector | |
| CN204089479U (en) | A kind of self-ventilation asynchronous machine of big fan air-draft-type | |
| CN210041526U (en) | Motor and casing thereof | |
| CN211089356U (en) | Dry-wet dual-purpose brushless motor with axial guide vanes | |
| CN210007935U (en) | cooking utensil with high-efficiency heat dissipation | |
| CN202560631U (en) | Fan for direct current (DC) motor | |
| CN105827079A (en) | Dust collector blower fan using axial magnetic flux brushless motor | |
| CN221328745U (en) | Axial centrifugal fan cooling motor device | |
| CN110350702A (en) | Motor of dust collector shell and motor of dust collector containing it | |
| CN220581287U (en) | DC volute-free centrifugal fan | |
| CN218648692U (en) | High-efficient radiating low noise motor | |
| CN210724436U (en) | Dust collector motor with noise reduction casing | |
| CN219322195U (en) | Long-shaft dust collection motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
|
| RJ01 | Rejection of invention patent application after publication |