CN110522341A - A kind of ultra-clean Efficient dust collector - Google Patents
A kind of ultra-clean Efficient dust collector Download PDFInfo
- Publication number
- CN110522341A CN110522341A CN201910751893.6A CN201910751893A CN110522341A CN 110522341 A CN110522341 A CN 110522341A CN 201910751893 A CN201910751893 A CN 201910751893A CN 110522341 A CN110522341 A CN 110522341A
- Authority
- CN
- China
- Prior art keywords
- inner sidewall
- fixedly connected
- side wall
- rotary head
- air
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000010009 beating Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
- A47L9/122—Dry filters flat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to household appliance technical fields, more particularly, to a kind of ultra-clean Efficient dust collector, including shell, blower is equipped in the shell, the air inlet of the blower is connected to the air intake duct of the housing forward end, sealing is rotatably connected to rotor plate on the inner sidewall of the air intake duct, semicircle venthole is equipped in the rotor plate, taper rotary head is fixedly connected on the side wall of the rotor plate, the side wall of the taper rotary head is equipped with a plurality of air flue being circumferentially arranged, flexible board is fixedly connected on the inner sidewall of the air intake duct, the flexible board and rotor plate sealing are rotatablely connected, tube body there are two being fixedly connected on the side wall of the air intake duct air inlet end, the setting open at one end of the tube body.The present invention can carry out the stronger tough stains of adhesion strength and the dust being hidden in fabric efficiently thoroughly to remove, good dedusting effect, and can effectively be adsorbed to dust by sieve plate, and the normal work for preventing dust from working normally to blower impacts.
Description
Technical field
The invention belongs to household appliance technical fields, more particularly, to a kind of ultra-clean Efficient dust collector.
Background technique
Dust catcher can be divided into vertical, horizontal and portable by structure.Current domestic vacuum cleaners mainly include blower and filter
Core；The front end of dust catcher forms air inlet, enters the air in dust catcher after filter core from air inlet and is arranged by blower to dust suction
The rear of device.The working principle of dust catcher is, using motor band movable vane piece high speed rotation, to generate in the shell of sealing empty
Gas negative pressure draws dust.
When in use, since the draught area of air inlet is larger, air-flow is more uniform for traditional dust catcher, so that suction ten
Point limited, the suction airstream at the uniform velocity oriented is difficult to remove the stronger tough stains of adhesion strength；And for the dust in furniture,
Such as dust of clothes, bed quilt, sofa fibre gap, then be difficult to absorb, and dust removing effects are poor, over time, mite easy to breed
Worm, bacterium etc..
For this purpose, it is proposed that a kind of ultra-clean Efficient dust collector solves the above problems.
Summary of the invention
The purpose of the present invention is the problems poor for the above-mentioned limited dust removing effects of dust catcher suction, provide a kind of dedusting
The good ultra-clean Efficient dust collector of effect.
In order to achieve the above objectives, present invention employs following technical proposals: a kind of ultra-clean Efficient dust collector, including shell
Body, the shell is interior to be equipped with blower, and the air inlet of the blower is connected to the air intake duct of the housing forward end, the air intake duct
Sealing is rotatably connected to rotor plate on inner sidewall, is equipped with semicircle venthole in the rotor plate, on the side wall of the rotor plate
It is fixedly connected with taper rotary head, the side wall of the taper rotary head is equipped with a plurality of air flue being circumferentially arranged, the air intake duct
Flexible board is fixedly connected on inner sidewall, the flexible board and rotor plate sealing are rotatablely connected, the air intake duct air inlet end
It is fixedly connected with the setting open at one end of the tube body there are two tube body on side wall, it is solid by spring on the inner sidewall of the tube body
Surely it is connected with magnetic slider, is fixed by the connecting rod on the side wall of the magnetic slider and is connected with beating ball, the flexible board
Two sides side wall on be fixedly connected to permanent magnets, the permanent magnets and magnetic slider homopolar-repulsion.
In above-mentioned ultra-clean Efficient dust collector, if each air flue is directed toward in port of each air flue in taper rotary head
Port outside taper rotary head is formed by vector as exhaust vector, then the exhaust vector of each air flue is equal with one, refers to
To the axial component at taper rotary head rear and the circumferential component of an Axial-rotational Symmetry about taper rotary head, the week
It can be decomposed again to component in a radial component and a tangential component greater than zero；Each air flue is in exhaust process
In, a torque is provided to the taper rotary head.
In above-mentioned ultra-clean Efficient dust collector, the beating ball is made of rubber material, and the tube body leans on proximal port
It is fixedly connected with friction plate on the inner sidewall at place, is stained with fur on the side wall of the friction plate.
In above-mentioned ultra-clean Efficient dust collector, fixed ring is fixedly connected on the inner sidewall of the shell, it is described solid
The inner sidewall for determining ring is equipped with silk cloth, is rotatably connected to swivel becket on the inner sidewall of the fixed ring, the swivel becket is by glass
Glass material is made, and screen pack is fixedly connected on the inner sidewall of the swivel becket, is fixedly embedded at leaf in the sieve plate
Wheel.
Compared with prior art, the advantages of this ultra-clean Efficient dust collector, is:
1, in the present invention, the ultra-clean Efficient dust collector, by setting taper rotary head and rotor plate, gas is from suction pipe
Into being entered in taper rotary head by the semicircle venthole in rotor plate, air-flow is arranged out of circumferential evenly arranged air flue
Out, a rotation torque is provided for taper rotary head, then taper rotary head drives rotor plate rotation, then realizes that air-flow is periodic
Passing through from flexible board two sides, then dust catcher alternately aspirates dirt from two wing passage of flexible board, according to bernoulli principle,
When contour flowing, flow velocity is big, and pressure is with regard to small, then dirt is not only by attraction, and the lateral airflow pressure by mechanical periodicity
Power, better dust removal effect.
2, in the present invention, the ultra-clean Efficient dust collector, air-flow is exerted periodically through two wing passage of flexible board according to uncle
Sharp principle, the air pressure that the flexible board of airflow side is subject to is smaller, then flexible board generates deformation, drives permanent magnets magnetropism
Sliding block direction is close, then under repulsion effect, pushes magnetic slider mobile, will then pat ball and release outside tube body, and pat
On fabric, since air-flow is periodically alternately through flexible board two sides, then the beating ball of two sides is driven periodically connect
It is continuous to pat, the dust impurity in the portion in fabric can be flushed out, be finally inhaled into air intake duct.
3, in the present invention, which occurs when beating ball moves back and forth in tube body with friction plate
Friction then pats because rubber makes rubber with negative electrical charge by fur friction and carries negative electrical charge on ball, attract dust, and
Contacting with dust makes negative electrical charge on dust band, further promotes its dust removing effects.
4, in the present invention, the ultra-clean Efficient dust collector, the air-flow with dust is by sieve plate, then impeller drives filter
Web plate and swivel becket rotation, then swivel becket and fixed ring rotate friction, because the generation that rubs of glass and silk has glass
Positive charge, then swivel becket has positive charge, and the sieve plate contacted with swivel becket is with positive charge, the dust with negative electrical charge
Attracted by the sieve plate with positive charge, promotes the ability of its dust removal by filtration, prevent dust from entering blower, influencing blower just
Often work.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ultra-clean Efficient dust collector embodiment 1 provided by the invention；
Structural representation when Fig. 2 is a kind of 1 flexible board deformation of ultra-clean Efficient dust collector embodiment provided by the invention
Figure；
Fig. 3 is a kind of structural schematic diagram of ultra-clean Efficient dust collector embodiment 2 provided by the invention；
Fig. 4 is a kind of structural schematic diagram of ultra-clean Efficient dust collector embodiment 3 provided by the invention；
Fig. 5 is the side structure signal of sieve plate in a kind of ultra-clean Efficient dust collector embodiment 3 provided by the invention
Figure.
In figure, 1 shell, 2 blowers, 3 air intake ducts, 4 rotor plates, 5 semicircle ventholes, 6 taper rotary heads, 7 air flues, 8 flexibilities
Ball, 12 permanent magnets, 13 friction plates, 14 fixed rings, 15 swivel beckets, 16 sieve plates, 17 are patted in plate, 9 tube bodies, 10 magnetic sliders, 11
Impeller.
Specific embodiment
Following embodiment only exists in illustrative purpose, limits the scope of the invention without being intended to.
Embodiment 1
As shown in Figs. 1-2, a kind of ultra-clean Efficient dust collector, including shell 1, shell 1 is interior to be equipped with blower 2, blower 2
Air inlet is connected to the air intake duct 3 of 1 front end of shell, and sealing is rotatably connected to rotor plate 4, rotor plate 4 on the inner sidewall of air intake duct 3
It is interior to be equipped with semicircle venthole 5, it is fixedly connected with taper rotary head 6 on the side wall of rotor plate 4, is set on the side wall of taper rotary head 6
There is a plurality of air flue 7 being circumferentially arranged, if each air flue 7 is directed toward each air flue 7 outside taper rotary head 6 in the port in taper rotary head 6
Port is formed by vector as exhaust vector, then the exhaust vector of each air flue 7 have one it is equal, be directed toward taper rotary head 6 after
The axial component of side and the circumferential component of an Axial-rotational Symmetry about taper rotary head 6, circumferential component can divide again
Solution is greater than zero tangential component in a radial component and one；Each air flue 7 provides one in exhaust process, to taper rotary head 6
A torque.
In the present embodiment, flexible board 8 is fixedly connected on the inner sidewall of air intake duct 3, flexible board 8 and the sealing of rotor plate 4 turn
Dynamic connection, is fixedly connected with that there are two tube body 9, the setting open at one end of tube body 9, tube bodies 9 on the side wall of 3 air inlet end of air intake duct
Inner sidewall on magnetic slider 10 is fixedly connected with by spring, connection is fixed by the connecting rod on the side wall of magnetic slider 10
Have and pat ball 11, permanent magnets 12, permanent magnets 12 and 10 homopolarity of magnetic slider are fixedly connected on the two sides side wall of flexible board 8
Repel each other.
The working principle of the present embodiment is as follows: by setting taper rotary head 6 and rotor plate 4, gas enters from suction pipe,
Being entered in taper rotary head 6 by the semicircle venthole 5 in rotor plate 4, air-flow is discharged out of circumferential evenly arranged air flue 7,
A rotation torque is provided for taper rotary head 6, then taper rotary head 6 drives rotor plate 4 to rotate, and then realizes that air-flow is periodic
Pass through from 8 two sides of flexible board, then dust catcher alternately aspirates dirt from 8 liang of wing passages of flexible board, according to Bernoulli Jacob's original
Reason, when contour flowing, flow velocity is big, and pressure is with regard to small, then dirt is not only by attraction, and the lateral airflow by mechanical periodicity
Pressure, better dust removal effect；
Meanwhile air-flow is periodically through 8 liang of wing passages of flexible board, according to bernoulli principle, the flexibility of airflow side
The air pressure that plate 8 is subject to is smaller, then flexible board 8 generates deformation, as shown in Fig. 2, arrow indicates the flow direction of air-flow, band in figure
Dynamic 12 magnetropism sliding block of permanent magnets, 10 directions are close, then under repulsion effect, push magnetic slider 10 mobile, will then pat
Ball 11 is released outside tube body 9, and is patted on fabric, since air-flow is periodically alternately through 8 two sides of flexible board, is then driven
The beating ball 11 of two sides carries out periodically continued beating, can flush out the dust impurity in the portion in fabric, finally quilt
It sucks in air intake duct 3.
Embodiment 2
As shown in figure 3, the present embodiment difference from example 1 is that: pat ball 11 be made of rubber material, manage
Body 9 is fixedly connected with friction plate 13 on the inner sidewall at proximal port, is stained with fur on the side wall of friction plate 13.
In the present embodiment, when beating ball 11 moves back and forth in tube body 9, rub with friction plate 13, because rubber is by hair
Skin friction makes rubber then pat and carry negative electrical charge on ball 11, attract dust with negative electrical charge, and contacts and make with dust
Negative electrical charge on dust band further promotes its dust removing effects.
Embodiment 3
As illustrated in figures 4-5, the present embodiment with embodiment 2 the difference is that: be fixedly connected on the inner sidewall of shell 1
There is fixed ring 14, the inner sidewall of fixed ring 14 is equipped with silk cloth, is rotatably connected to swivel becket on the inner sidewall of fixed ring 14
15, swivel becket 15 is made of glass material, and sieve plate 16 is fixedly connected on the inner sidewall of swivel becket 15, is consolidated in sieve plate 16
Surely it is embedded with impeller 17.
In the present embodiment, the air-flow with dust is by sieve plate 16, then impeller 17 drives sieve plate 16 and swivel becket 15
Rotation, then swivel becket 15 and fixed ring 14 rotate friction, so that glass is had positive charge because glass and silk friction generate,
Then swivel becket 15 has positive charge, and the sieve plate 16 contacted with swivel becket 15 is with positive charge, the dust quilt with negative electrical charge
Sieve plate 16 with positive charge is attracted, and the ability of its dust removal by filtration is promoted, and prevents dust from entering blower 2, influences blower 2
It works normally.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of ultra-clean Efficient dust collector, including shell (1), which is characterized in that be equipped with blower (2) in the shell (1), institute
The air inlet for stating blower (2) is connected to the air intake duct (3) of shell (1) front end, and sealing turns on the inner sidewall of the air intake duct (3)
It is dynamic to be connected with rotor plate (4), it is equipped with semicircle venthole (5) in the rotor plate (4), it is solid on the side wall of the rotor plate (4)
Surely it is connected with taper rotary head (6), the side wall of the taper rotary head (6) is equipped with a plurality of air flue (7) being circumferentially arranged, the air-breathing
It manages and is fixedly connected with flexible board (8) on the inner sidewall of (3), the flexible board (8) and rotor plate (4) sealing are rotatablely connected, described
It is fixedly connected on the side wall of air intake duct (3) air inlet end there are two tube body (9), the setting open at one end of the tube body (9) is described
It is fixedly connected with magnetic slider (10) on the inner sidewall of tube body (9) by spring, is passed through on the side wall of the magnetic slider (10)
Connecting rod, which is fixedly connected with, pats ball (11), is fixedly connected to permanent magnets (12), institute on the two sides side wall of the flexible board (8)
State permanent magnets (12) and magnetic slider (10) homopolar-repulsion.
2. ultra-clean Efficient dust collector according to claim 1, which is characterized in that set each air flue (7) and turn in taper
It is exhaust vector that port in head (6), which is directed toward each air flue (7) and is formed by vector in the port of taper rotary head (6) outside, then each gas
The exhaust vector in road (7) has an axial component that is equal, being directed toward taper rotary head (6) rear and one about taper
The circumferential component of the Axial-rotational Symmetry of rotary head (6), the circumferential component is decomposed into a radial component again and one is greater than
Zero tangential component；Each air flue (7) provides a torque in exhaust process, to the taper rotary head (6).
3. ultra-clean Efficient dust collector according to claim 1, which is characterized in that the beating ball (11) is by rubber material
It is made, the tube body (9) is fixedly connected with friction plate (13) on the inner sidewall at proximal port, the side wall of the friction plate (13)
On be stained with fur.
4. ultra-clean Efficient dust collector according to claim 3, which is characterized in that solid on the inner sidewall of the shell (1)
Surely it is connected with fixed ring (14), the inner sidewall of the fixed ring (14) is equipped with silk cloth, the inner sidewall of the fixed ring (14)
On be rotatably connected to swivel becket (15), the swivel becket (15) is made of glass material, on the inner sidewall of the swivel becket (15)
It is fixedly connected with sieve plate (16), is fixedly embedded at impeller (17) in the sieve plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751893.6A CN110522341B (en) | 2019-08-15 | 2019-08-15 | Super-clean efficient dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751893.6A CN110522341B (en) | 2019-08-15 | 2019-08-15 | Super-clean efficient dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110522341A true CN110522341A (en) | 2019-12-03 |
| CN110522341B CN110522341B (en) | 2020-12-11 |
Family
ID=68663295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910751893.6A Active CN110522341B (en) | 2019-08-15 | 2019-08-15 | Super-clean efficient dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110522341B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535949A (en) * | 2020-05-10 | 2020-08-14 | 陈超胜 | Air cleaner that removes dust with high efficiency for car |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003022120A1 (en) * | 2001-09-11 | 2003-03-20 | Aktiebolaget Electrolux | Dust container for a vacuum cleaner |
| CN1463662A (en) * | 2002-06-17 | 2003-12-31 | 乐金电子(天津)电器有限公司 | Vacuum cleaner sucking nozzle |
| US20050278891A1 (en) * | 2004-06-18 | 2005-12-22 | Bosses Mark D | Vacuum cleaner nozzle including mechanical beater and sonic beater |
| CN107280582A (en) * | 2016-12-30 | 2017-10-24 | 胡振华 | Patting type domestic vacuum cleaners |
| CN108968794A (en) * | 2018-07-25 | 2018-12-11 | 芜湖慧宇商贸有限公司 | A kind of wearable garbage collection cleaning equipment |
| CN109662650A (en) * | 2018-09-12 | 2019-04-23 | 陈斌 | Impacting type bag-type dust dust catcher |
-
2019
- 2019-08-15 CN CN201910751893.6A patent/CN110522341B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003022120A1 (en) * | 2001-09-11 | 2003-03-20 | Aktiebolaget Electrolux | Dust container for a vacuum cleaner |
| CN1463662A (en) * | 2002-06-17 | 2003-12-31 | 乐金电子(天津)电器有限公司 | Vacuum cleaner sucking nozzle |
| US20050278891A1 (en) * | 2004-06-18 | 2005-12-22 | Bosses Mark D | Vacuum cleaner nozzle including mechanical beater and sonic beater |
| CN107280582A (en) * | 2016-12-30 | 2017-10-24 | 胡振华 | Patting type domestic vacuum cleaners |
| CN108968794A (en) * | 2018-07-25 | 2018-12-11 | 芜湖慧宇商贸有限公司 | A kind of wearable garbage collection cleaning equipment |
| CN109662650A (en) * | 2018-09-12 | 2019-04-23 | 陈斌 | Impacting type bag-type dust dust catcher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535949A (en) * | 2020-05-10 | 2020-08-14 | 陈超胜 | Air cleaner that removes dust with high efficiency for car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110522341B (en) | 2020-12-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201124 Address after: Wang Dian Zhen Zhen Xi Cun, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Wanrong Electric Appliance Co., Ltd Address before: No. 19, Pingmen Street, Qiaoxi District, Zhangjiakou City, Hebei Province, 075000 Applicant before: Jin Changhai |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20191203 Assignee: Jiaxing Senduo Electric Appliance Co.,Ltd. Assignor: Jiaxing Wanrong Electric Appliance Co., Ltd Contract record no.: X2021330000394 Denomination of invention: An ultra clean and efficient vacuum cleaner Granted publication date: 20201211 License type: Common License Record date: 20211013 |
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| EE01 | Entry into force of recordation of patent licensing contract |