CN104342883B - Washing machine and its control method - Google Patents
Washing machine and its control method Download PDFInfo
- Publication number
- CN104342883B CN104342883B CN201310329207.9A CN201310329207A CN104342883B CN 104342883 B CN104342883 B CN 104342883B CN 201310329207 A CN201310329207 A CN 201310329207A CN 104342883 B CN104342883 B CN 104342883B
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- China
- Prior art keywords
- inner cylinder
- magnet
- washing machine
- permanent magnet
- magnets
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/22—Condition of the washing liquid, e.g. turbidity
Abstract
The present invention provides a kind of washing machine and its control method, wherein washing machine includes inner cylinder and outer barrel, also include two magnets being equipped with outer barrel and inner cylinder, inner cylinder is suspended in outer barrel by the repulsion between two magnets, and the detection part for being used for monitoring the two spacer conditions is provided between two magnets；Determine whether the clothing in inner cylinder is excessive, and detection method is simple, highly reliable according to the spacer conditions of two magnets.
Description
Technical field
The present invention relates to washing machine technology field, more particularly to a kind of washing machine and its control method.
Background technology
In general washing machine can all have certain limitation for the weight of washings, if once washing laundry amounts are larger,
Do not wash clean probably then, it is necessary to relaunder, such as the clothing of 6 kilograms of 3-4 kilograms of rotary drum washing machine once washing is imitated
Fruit is best, but if be put into inner cylinder 6 kilograms of clothing under identical wash conditions clean result then not as 3-4 kilograms of washing
Clothing effect, and the clothing and the water of entrance that are put into are overweight, and the contact between washing machine internal component can be caused to produce friction,
The normal work of washing machine is influenceed, and user will not be typically weighed clothing to select rational washing before each washing
Clothes weight.
The content of the invention
The present invention provides a kind of washing machine and its control method, can effectively detect clothing in inner tank of washing machine and/
Or whether the amount of water is excessive, to avoid the friction between each part of washing machine internal.
A kind of washing machine, including inner cylinder and outer barrel, in addition to two magnets being equipped with the outer barrel and inner cylinder, it is described
Inner cylinder is suspended in outer barrel by the repulsion between two magnets, and the test section for being used for monitoring the two spacer conditions is provided between two magnets
Part.
The present invention also provides a kind of control method for washing machine, is equipped with by detection part monitoring with outer barrel and inner cylinder
The spacer conditions of two magnets, wherein, inner cylinder is suspended in outer barrel by the repulsion between two magnets.
Washing machine provided by the invention, inner cylinder is suspended by the repulsion between two magnets, two magnetic are monitored by detection part
The spacer conditions of body, determine whether clothing in inner cylinder and/or water are excessive according to the contact situation of two magnets, to avoid doing washing
Friction inside machine between each part, detection method is simple, highly reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of washing machine provided by the invention.
Fig. 2 is the structural representation of second of embodiment of washing machine provided by the invention.
Embodiment
Illustrate embodiments of the invention with reference to the accompanying drawings.Retouched in the accompanying drawing of the present invention or a kind of embodiment
The element and feature that the element and feature stated can be shown in one or more other accompanying drawings or embodiment are combined.
It should be noted that in order to understand purpose, eliminated in accompanying drawing and explanation known to unrelated to the invention, those of ordinary skill in the art
Part and processing expression and description.
Embodiment one
As shown in figure 1, a kind of washing machine, including inner cylinder 102 and outer barrel 101, in addition to match somebody with somebody with outer barrel 101 and inner cylinder 102
Two magnets set are closed, inner cylinder 102 is suspended in outer barrel 101 by the repulsion between two magnets, is provided between two magnets and is used to supervise
Survey the detection part of the two spacer conditions.
Inner cylinder 102 is suspended in outer barrel 101 by the repulsion between two magnets, make inner cylinder 102 when rotated with outer barrel 101
Almost there is no Mechanical Contact, so as to effectively reduce friction, reduce noise.
In addition, being equipped with clothing and water in washing process in inner cylinder 102, sunk by Action of Gravity Field inner cylinder 102, with inner cylinder 102
The magnet being equipped with will also sink, if the clothing loaded in inner cylinder 102 is more, the spacing between two magnets is just smaller,
Two magnet contacts can be caused when serious, the spacer conditions that two magnets are monitored by detection part then may determine that in inner cylinder 102
Clothing and/or water it is whether excessive.
In addition, if excessive clothing is put into inner cylinder 102 can then cause two magnet contacts, two magnetic when inner cylinder 102 rotates
Body is because contact can produce larger friction, and producing high heat makes magnet demagnetization, while also increases energy consumption, by detecting two magnets
Spacing judges whether the two contacts, and carries out alarm if contact, can avoid two magnet contacts to a certain extent, from
And further reduce friction, reduce noise.
The bottom of inner cylinder 102 is provided with the connecting shaft 103 for supporting inner cylinder 102, and connecting shaft 103 is hollow structure, connection
One end of axle 103 is fixedly connected with the bottom center of circle of inner cylinder 102, and the other end passes through outer barrel 101, and the one side of connecting shaft 103 is used for branch
Inner cylinder 102 is supportted, it is concentric that spacing guarantee inner cylinder 102 and outer barrel 101 are on the other hand carried out to inner cylinder 102.
The other end of connecting shaft 103 is through the bottom of outer barrel 101 and connects magnetic bearing, and two magnets are arranged on magnetic bearing
It is interior.
Inner cylinder 102, outer barrel 1101 and magnetic bearing are to be coaxially disposed.
Magnet includes：First permanent magnet 104, the second permanent magnet 105, magnetic bearing include being arranged on the lower section of outer barrel 101
Outer shaft 106；First permanent magnet 104 is arranged on the bottom of outer shaft 106, and the second permanent magnet 105 is fixed in connecting shaft 103；The
By being suspended in the repulsion between the first permanent magnet 104 on the first permanent magnet 104, the second permanent magnet 105 passes through two permanent magnets 105
Connecting shaft 103 drives inner cylinder 102 to be suspended in outer barrel 101.
In addition, magnetic bearing also includes internal axle sleeve 107 integrally formed with connecting shaft 103, the second permanent magnet 105 is fixed on
In internal axle sleeve 107.
The upper end open of outer shaft 106, openend are connected with the bottom external stability of outer barrel 101, and the inner bottom part of outer shaft 106 is set
First permanent magnet 104；The lower ending opening of internal axle sleeve 107, connecting shaft 3 through the upper end of internal axle sleeve 107 center and with internal axle sleeve 107 1
Body formed, the second permanent magnet 105 is fixed in internal axle sleeve 107, and connecting shaft 103 is through the center of the second permanent magnet 105 and with the
Two permanent magnets 105 are fixedly connected, and the first permanent magnet 104 is identical with the polarity of the opposite face of the second permanent magnet 105, according to homopolar-repulsion
Principle, repulsion is produced between the first permanent magnet 104 and the second permanent magnet 105, the second permanent magnet 105 is suspended in the first permanent magnetism
On body 104, because the second permanent magnet 104 is fixedly connected with the connecting shaft 103 on inner cylinder 102, therefore the energy of the second permanent magnet 104
Inner cylinder 102 is driven to be suspended in outer barrel 101.
As an alternative embodiment, the first permanent magnet 104 and/or the second permanent magnet 105 are permanent-magnetic clamp.
Connecting shaft 103 includes hollow space, and hollow space is provided with impeller shafts 108, and one end of impeller shafts 108 passes through inner cylinder
102 centers of circle and impeller 109 are coaxially connected, and the other end of impeller shafts 108 connects outside through the second permanent magnet 105 and outer shaft 106
The motor 110 in portion, motor 110 are used to drive impeller 109 to rotate by impeller shafts 108.
Outer barrel 101 is circumferentially provided with primary coil, and inner cylinder 102 is correspondingly arranged on secondary induction portion 120, and primary coil exists
Magnetic force driving inner cylinder 102 is produced during energization with secondary induction portion to rotate；Primary coil includes the first primary coil of separation
With the second primary coil, the first primary coil and the second primary coil are arranged at outer tube wall with the axisymmetrical of outer barrel 101, secondary
Induction part is annular slab made of permeability magnetic material, and primary coil produces magnetic force driving inner cylinder when being powered with secondary induction portion
Rotation.
As an alternative embodiment, the detection part of the washing machine provided in this implementation includes:Positioned at two magnets
Between be used for two limiting components preventing two magnet contact and be oppositely arranged, and for according to two limiting components
Contact situation triggers the trigger switch 113 that corresponding performs device performs corresponding operating.
Specifically, two groups of limiting components include the first blowout patche 111 and the second blowout patche 112, wherein the first blowout patche 111 is with being connected
The section fitting of axle 103, impeller shafts 108 pass through the ring heart of the first blowout patche 111, and the first blowout patche 111 can be with connecting shaft 103 in impeller
Slided on axle 108；Second blowout patche 112 is fixed on the first permanent magnet 104 and corresponding with the first blowout patche 111, the He of the first blowout patche 111
Second blowout patche 112 is made of rigid material.
First blowout patche 111 and the second blowout patche 112 are connected by lead with trigger switch 113, when inner cylinder 102 drops to the limit
When the first blowout patche 111 contacted with the second blowout patche 112, the first blowout patche 111, the second blowout patche 112, trigger switch 113 and corresponding
Performs device forms a closed loop, triggers corresponding performs device and performs corresponding operating；Further, since the second blowout patche 112
Area be much smaller than the first permanent magnet 104, the first blowout patche 111 and the contact area of the second blowout patche 112 are smaller, and friction is more during contact
It is small, larger energy consumption will not be produced.
Corresponding performs device includes but is not limited to warning device, when detection part monitors the first blowout patche and the second blowout patche
Warning device is triggered during contact and carries out alarm, to remind the clothing placed in user's inner cylinder 102 excessive, if user is reduced
The laundry amounts being put into then can separate the first blowout patche and the second blowout patche, so as to eliminate alarm.
The washing machine that the present embodiment provides, inner cylinder rely on the repulsion between two magnets to suspend, and two magnetic are monitored by detection part
The spacing of body, detection part are two limiting components and trigger switch, be can determine that when two limiting components contact in inner cylinder
Clothing is excessive, simple in construction, and reliability is high, and alarm is carried out when clothing is excessive, can be avoided to a certain extent because in
Cylinder clothing it is excessive caused by two magnet contacts bring two magnet demagnetizations, energy consumption increase the problems such as.
Embodiment two
As shown in Fig. 2 the washing machine that the present embodiment provides includes inner cylinder 202, outer barrel 201, in addition to outer barrel 201 and interior
Two magnets that cylinder 202 is equipped with, inner cylinder 202 are suspended in outer barrel by the repulsion between two magnets, are provided with and are used between two magnets
In the detection part of the two contact situation of monitoring.
The structure for the washing machine that the present embodiment provides is roughly the same with embodiment one, and detection part is connected with warning device,
The bottom of inner cylinder 202 is provided with the hollow connecting shaft 203 for supporting inner cylinder 202, and the hollow space of connecting shaft 203 is provided with ripple
Wheel shaft 208, one end of impeller shafts 208 through the bottom of inner cylinder 202 and are coaxially connected with impeller 209, and the other end of impeller shafts 208 connects
Connect motor 210；Two magnets are arranged in magnetic bearing, and connecting shaft 203 coordinates company through the bottom of outer barrel 201 and with magnetic bearing
Connect；Magnet includes：First permanent magnet 204 and the second permanent magnet 205, magnetic bearing include the outer shaft for being arranged on the lower section of outer barrel 201
Set 206；First permanent magnet 204 is arranged on the bottom of outer shaft 206, and the second permanent magnet 205 is fixed in connecting shaft；Second permanent magnet
205 are suspended on the 204 of the first permanent magnet by its repulsion between the first permanent magnet 204, and the second permanent magnet 205 is through connecting shaft
203 drive inner cylinders 202 are suspended in outer barrel 201；First permanent magnet 204 and/or the second permanent magnet 205 are permanent-magnetic clamp, magnetic force axle
Holding also includes：Internal axle sleeve 207 integrally formed with connecting shaft 203, the second permanent magnet is fixed in internal axle sleeve 207.
Impeller 209 is driven by motor 210 to be rotated, and inner cylinder 202 passes through primary coil and the magnetic force in secondary induction portion
Driving rotation.
Difference is, the detection part of the washing machine that the present embodiment provides includes infrared transmitter 214 and infrared connect
Device 215 is received, infrared transmitter 214 and infrared remote receiver 215 are oppositely arranged, specifically, infrared transmitter 214 and infrared remote receiver
215 opposing inserts are in outer shaft and between two magnets.
As shown in Fig. 2 when not holding clothing in inner cylinder 202, by the first permanent magnet 204 and the second permanent magnet 205
Between repulsion be suspended in outer barrel 101, infrared transmitter 214 sends infrared ray in real time, infrared remote receiver 215 receive send it is red
Outside line, when inner cylinder 202 loads clothing, inner cylinder 202 starts to sink, and can stop what infrared transmitter 214 was sent when sinking to
Infrared ray, i.e. the first permanent magnet 204 and the second permanent magnet 205 be smaller than or equal to threshold value, infrared remote receiver 215 is now
Infrared ray is not received, then triggers warning device and is alarmed, to remind user, if now reducing the clothing in inner cylinder 202,
When inner cylinder 202 is increased over threshold value, infrared remote receiver 215 receives infrared ray, then stop alarm.
Threshold value determines according to the actual capacity of washing machine, such as the washing machine that capacity is 6 kilograms, threshold value can be
1cm。
Detection part in the present invention, except above-mentioned trigger switch and limiting component, infrared remote receiver and infrared remote receiver,
Can also be position sensor, displacement transducer etc., the present invention is not limited to this.
The washing machine that the present embodiment provides, inner cylinder rely on the repulsion between two magnets to suspend, and two magnetic are monitored by detection part
The spacing of body, detection part are infrared transmitter and infrared remote receiver, and simple in construction, accuracy is high, is carried out when clothing is excessive
Alarm, can avoid to a certain extent two magnet contacts are brought caused by inner cylinder clothing is excessive two magnet demagnetizations,
The problems such as energy consumption increase.
Embodiment three
The present embodiment provides a kind of control method for washing machine, including：Coordinated by detection part monitoring with outer barrel and inner cylinder
The spacer conditions of two magnets set, wherein, inner cylinder is suspended in outer barrel by the repulsion between two magnets.
As an alternative embodiment, the spacer conditions for two magnets that monitoring is equipped with outer barrel and inner cylinder, bag
Include：
Detect whether two limiting components being relatively arranged between two magnet contact, institute is monitored according to testing result
State the contact situation of two magnets.
Specifically, two limiting components include the first blowout patche and the second blowout patche, wherein the section of the first blowout patche and connecting shaft
Fitting, impeller shafts pass through the ring heart of the first blowout patche, and the first blowout patche can slide with connecting shaft on impeller shafts；Second blowout patche is fixed on
On first permanent magnet and corresponding with the first blowout patche, the first blowout patche and the second blowout patche are made of rigid material.
First blowout patche and the second blowout patche are connected by lead with trigger switch, when inner cylinder drops to the limit the first blowout patche with
Second blowout patche contacts, and the first blowout patche, the second blowout patche, trigger switch and corresponding performs device form a closed loop, touches
Send out performs device corresponding and perform corresponding operation；Further, since the area of the second blowout patche is much smaller than the first permanent magnet, first axle
Circle is smaller with the second blowout patche contact area, rubs during contact smaller, will not produce larger energy consumption.
As an alternative embodiment, the spacer conditions for two magnets that monitoring is equipped with outer barrel and inner cylinder, bag
Include：
Infrared transmitter and infrared remote receiver are relatively set between two magnet, passes through the infrared remote receiver
Reception condition monitor the contact situation of two magnet.
Specifically, when not holding clothing in inner cylinder, suspended by the repulsion between the first permanent magnet and the second permanent magnet
In in outer barrel, infrared transmitter sends infrared ray in real time, and infrared remote receiver receives the infrared ray sent, when inner cylinder loads clothing
When, inner cylinder starts to sink, when sinking to the infrared ray that can stop that infrared transmitter is sent, i.e. the first permanent magnet and the second permanent magnetism
Body is smaller than or equal to threshold value, and infrared remote receiver does not receive infrared ray now, then triggers warning device and alarmed,
To remind user, if now reducing the clothing in inner cylinder, when inner cylinder is increased over threshold value, infrared remote receiver receives
Infrared ray, then stop alarm.
Threshold value determines according to the capacity of washing machine.
In addition, the contact situation of two magnet is monitored according to testing result to be included：When testing result represents two magnetic
Body is smaller than or carries out alarm during equal to threshold value.
The control method for washing machine that the present embodiment provides, makes inner cylinder suspend, passes through test section by the repulsion between two magnets
Part monitors the contact situation of two magnets, when showing whether the clothing in inner cylinder is excessive according to the determination of the contact situation of two magnets, examines
Survey method is simple, highly reliable, and alarm is carried out when clothing is excessive, can avoid to a certain extent because of inner cylinder clothing mistake
Caused by more the problems such as two magnet contacts, detection method is simple, highly reliable.
Although the present invention and its advantage is described in detail it should be appreciated that without departing from by appended claim
Various changes, replacement and conversion can be carried out in the case of the spirit and scope of the present invention limited.Moreover, the model of the application
Enclose the process described by specification of being not limited only to, equipment, means, the specific embodiment of method and steps.In the art is common
Technical staff will readily appreciate that from the disclosure, can be used and performed and corresponding reality described herein according to the present invention
Apply the essentially identical function of example or obtain process essentially identical with it result, existing and that future is to be developed, equipment,
Means, method or step.Therefore, appended claim is intended to include such process, equipment, hand in the range of them
Section, method or step.
Claims (9)
1. a kind of washing machine, including inner cylinder and outer barrel, it is characterised in that also include two be equipped with the outer barrel and inner cylinder
Magnet, the inner cylinder are suspended in outer barrel by the repulsion between two magnets, are provided between two magnets and are used to monitor the two spacing feelings
The detection part of condition, the detection part include：It is used to preventing two magnet contact and relative between two magnet
Two limiting components set, and perform phase for triggering corresponding performs device according to the contact situation of two limiting components
The trigger switch that should be operated.
2. washing machine according to claim 1, it is characterised in that the detection part is included between two magnet
Infrared transmitter and infrared remote receiver, the infrared transmitter and infrared remote receiver are oppositely arranged.
3. washing machine according to claim 1 or 2, it is characterised in that also include the alarm being connected with the detection part
Device, the detection part are specifically used for being smaller than when between monitoring two magnets or triggering the report during equal to threshold value
Alarm device is alarmed.
4. washing machine according to claim 2, it is characterised in that the magnet include the first permanent magnet for being oppositely arranged and
Second permanent magnet, the first permanent magnet and the second permanent magnet periphery are provided with outer shaft；The infrared transmitter and described infrared
Receiver opposing insert is in the outer shaft and between two magnet.
5. washing machine according to claim 4, it is characterised in that the inner cylinder bottom is provided with for supporting the inner cylinder
Connecting shaft, second permanent magnet is fixed in the connecting shaft, and second permanent magnet is by it between the first permanent magnet
Repulsion be suspended on the first permanent magnet, it is described outer that second permanent magnet through the connecting shaft drives the inner cylinder to be suspended in
In cylinder.
6. washing machine according to claim 1, it is characterised in that along the primary coil that is circumferentially provided with of the outer barrel, institute
State inner cylinder and be correspondingly arranged on secondary induction portion, the primary coil produces magnetic force with the secondary induction portion when being powered and driven
Dynamic inner cylinder rotating.
A kind of 7. control method for washing machine, it is characterised in that two be equipped with by detection part monitoring with outer barrel and inner cylinder
The spacer conditions of magnet, wherein, inner cylinder is suspended in outer barrel by the repulsion between two magnets；
The spacer conditions for two magnets that monitoring is equipped with outer barrel and inner cylinder, including：
Detect whether two limiting components being relatively arranged between two magnet contact, described two are monitored according to testing result
The spacer conditions of magnet.
8. control method for washing machine according to claim 7, it is characterised in that monitoring is equipped with outer barrel and inner cylinder
The spacer conditions of two magnets, including：
Infrared transmitter and infrared remote receiver are relatively set between two magnet, passes through connecing for the infrared remote receiver
Receive the spacer conditions of two magnets described in condition monitoring.
9. control method for washing machine according to claim 7, it is characterised in that methods described also includes：Work as monitoring result
Represent being smaller than or carrying out alarm during equal to threshold value for two magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329207.9A CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329207.9A CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104342883A CN104342883A (en) | 2015-02-11 |
| CN104342883B true CN104342883B (en) | 2017-12-26 |
Family
ID=52499296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310329207.9A Active CN104342883B (en) | 2013-07-31 | 2013-07-31 | Washing machine and its control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN104342883B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088612B (en) * | 2015-08-05 | 2018-03-16 | 无锡飞翎电子有限公司 | Rotary drum washing machine |
| CN112064297B (en) * | 2019-05-23 | 2023-05-12 | 青岛海尔洗衣机有限公司 | Clothes treating apparatus |
| CN114071920B (en) * | 2021-11-16 | 2023-03-21 | 南通茂业电子科技有限公司 | Electric permanent magnetic chuck controller assembly with demagnetization early warning prompt |
| CN114096090B (en) * | 2021-11-17 | 2022-08-19 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI942489A1 (en) * | 1994-12-09 | 1996-06-09 | Whirlpool Italia | MAGNETIC SUSPENSION WASHING MACHINE WITH DIRECT MOTORIZATION |
| CN1734006A (en) * | 2004-08-03 | 2006-02-15 | 海尔集团公司 | Magnetic suspension type vibration rotating rotary drum washing machine |
| CN101381946A (en) * | 2007-09-09 | 2009-03-11 | 唐红元 | Magnetic suspension drum-type washing machine |
| CN201944118U (en) * | 2011-01-21 | 2011-08-24 | 张安之 | Magnetic levitation bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007000437A (en) * | 2005-06-24 | 2007-01-11 | Hitachi Appliances Inc | Washing machine |
-
2013
- 2013-07-31 CN CN201310329207.9A patent/CN104342883B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI942489A1 (en) * | 1994-12-09 | 1996-06-09 | Whirlpool Italia | MAGNETIC SUSPENSION WASHING MACHINE WITH DIRECT MOTORIZATION |
| CN1734006A (en) * | 2004-08-03 | 2006-02-15 | 海尔集团公司 | Magnetic suspension type vibration rotating rotary drum washing machine |
| CN101381946A (en) * | 2007-09-09 | 2009-03-11 | 唐红元 | Magnetic suspension drum-type washing machine |
| CN201944118U (en) * | 2011-01-21 | 2011-08-24 | 张安之 | Magnetic levitation bearing |
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| Publication number | Publication date |
|---|---|
| CN104342883A (en) | 2015-02-11 |
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