CN105780373B - Power device of double-drive washing machine - Google Patents
Power device of double-drive washing machine Download PDFInfo
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- CN105780373B CN105780373B CN201410807385.2A CN201410807385A CN105780373B CN 105780373 B CN105780373 B CN 105780373B CN 201410807385 A CN201410807385 A CN 201410807385A CN 105780373 B CN105780373 B CN 105780373B
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Abstract
The invention relates to a power device of a dual-drive washing machine, which comprises a direct-drive motor, wherein the direct-drive motor comprises a stator, an inner rotor arranged on the inner side of the stator, and an outer rotor arranged on the outer side of the stator, the power device of the dual-drive washing machine also comprises a dewatering shaft fixedly connected with the outer rotor, a impeller shaft connected with the inner rotor, and a slide block arranged between the impeller shaft and the inner rotor, it is characterized in that the sliding block is sleeved on the impeller shaft, at least one pair of key groove structures are arranged between the sliding block and the impeller shaft, so that the sliding block can slide along the axial direction of the impeller shaft and can drive the impeller shaft to rotate around the axis of the impeller shaft, the power device has low noise, low energy consumption and simple structure, can simply and conveniently realize the switching between washing and spin-drying, and protects clothes from being pulled in the spin-drying operation.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a power device of a washing machine.
Background
In the prior art, a washing machine washes clothes by stirring water flow to generate vortex, the washing degree of the clothes is in direct proportion to the rotating speed of the water flow, that is, the faster the rotating speed of the water flow is, the better the washing effect of the clothes is, so the water flow rotating speed is often increased by increasing the power of an engine in the traditional single-power washing machine, but the development of the single-power washing machine is limited due to the limitation of the volume and the energy consumption of the washing machine, and therefore, the double-power washing machine is developed, in order to achieve the purpose of increasing the rotating speed of the water flow, a wave wheel is additionally arranged in a dewatering barrel of the washing machine, the water flow rotating speed is greatly increased by reversely rotating the wave wheel and the dewatering barrel, and in order to realize the reversely rotating of the wave wheel and the dewatering barrel, two schemes are adopted in the prior art, wherein the scheme is; the second scheme adopts double-engine drive, a large-torque engine drives a dewatering barrel, and a small-torque engine drives an impeller. The two schemes have respective problems, the first scheme adopts the gear set to transmit power, a large amount of noise is generated in the working process of the washing machine, the gear set is greatly abraded, and the later maintenance cost is high; the second scheme adopts double-engine driving, and each engine needs to be provided with a control module, so that the whole volume of the washing machine is increased, the control is complex, and the energy consumption is increased compared with that of a single engine.
Patent documents propose a solution in which a single engine is used to provide an inner rotor inside a stator and an outer rotor outside the stator, and the inner rotor and the outer rotor drive a pulsator and a spin-drying tub through respective clutches, but the specific structure of the clutches is not given, and only the clutches for closing the inner rotor and the pulsator during washing and for closing the outer rotor and the spin-drying tub during spin-drying are described.
Therefore, the dual-drive power device of the washing machine in the prior art has at least the following problems:
(1) the single engine realizes double driving by transmitting power through the gear set, the gear set has large noise and large abrasion, and the maintenance cost is high;
(2) the double engines are complex to control and high in energy consumption;
(3) the single engine is provided with an inner rotor and an outer rotor, the inner rotor and the outer rotor are respectively connected with the impeller and the dewatering barrel through the clutches, the double clutches are complex to control, and the conversion between washing and spin-drying can not be conveniently realized;
(4) during the spin-drying operation, a rotation speed difference exists between the impeller and the dehydration barrel, and even if the impeller and the dehydration barrel are controlled by a precise controller, the impeller and the dehydration barrel are difficult to synchronously rotate, so that when clothes are dried, the impeller and the dehydration barrel pull the clothes, and the clothes are damaged.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
The invention aims to solve the problem that the power device of the double-drive washing machine in the prior art can not simply and conveniently realize the switching between the washing operation and the spin-drying operation.
The invention provides a power device of a dual-drive washing machine, which comprises a shell 14, a bracket 19 fixedly arranged in the shell 14, and a direct drive motor arranged on the bracket 19, wherein the direct drive motor comprises a stator 13 fixedly arranged on the bracket 19, an inner rotor 1 arranged on the inner side of the stator 13, and an outer rotor 9 arranged on the outer side of the stator 13, the power device of the dual-drive washing machine also comprises a dehydration shaft 11 directly and fixedly arranged on the outer rotor 9, a impeller shaft 12 connected with the inner rotor 1, and a slide block 8 arranged between the impeller shaft 12 and the inner rotor 1, the slide block 8 is sleeved on the impeller shaft 12, at least one pair of key groove structures is arranged between the slide block 8 and the impeller shaft 12 along a bus of the impeller shaft 12, so that the slide block 8 can slide along the axial direction of the impeller shaft 12 and can drive the impeller shaft 12 to rotate around the axis of the impeller shaft 12, a convex block 6 is arranged, a groove 2 which can be meshed with the lug 6 is arranged on the surface of the inner rotor 1 close to the sliding block 8.
By adopting the power device of the dual-drive washing machine, during washing operation, the sliding block 8 is controlled to slide towards the direction close to the inner rotor 1, so that the lug 6 is meshed with the groove 2, the inner rotor 1 drives the sliding block 8 to rotate, the sliding block 8 drives the impeller shaft 12 to rotate through the keyway structure, and the outer rotor 9 and the inner rotor 1 are opposite in direction, so that the rotation direction of the dewatering barrel and the impeller is opposite, and the washing operation is finished; during the spin-drying operation, the inner rotor is powered off, the slide block 8 slides towards the direction far away from the inner rotor 1, so that the convex block 6 is separated from the groove 2, the impeller shaft 12 and the inner rotor 1 are in a relatively free state, namely the impeller shaft 12 loses power, and the spin-drying operation is completed. That is, the washing operation and the spinning operation can be simply and conveniently switched by controlling the sliding of the slider 8 along the axial direction of the pulsator shaft 12.
Furthermore, a groove 18 is arranged on the surface of the slide block 8 close to the dewatering shaft 11, a lug 17 capable of being meshed with the groove 18 is arranged on the surface of the dewatering shaft 11 close to the slide block 8, and only one pair of the groove 18, the lug 17, the lug 6 and the groove 2 can be meshed with each other at the same time.
After the washing operation is finished, the inner rotor is powered off, the sliding block 8 slides towards the direction which is far away from the inner rotor 1 and is close to the dewatering shaft 11, so that the lug 6 is separated from the groove 2, the groove 18 is meshed with the lug 17, the impeller shaft 12 and the inner rotor 1 are in a relatively free state and synchronously rotate with the dewatering shaft 11, the impeller and the dewatering barrel synchronously rotate, the clothes cannot be pulled in any form, and the clothes are protected to the maximum extent.
Further, the present invention further includes a magnet 7 mounted on the bracket 19, and the sliding of the slider 8 along the axial direction of the impeller shaft 12 can be controlled by controlling the on/off of the magnet 7.
Further, the stator 13 is mounted on the bracket 19 by a hollow bolt, and the power line and the signal line extend from the inside of the housing 14 to the outside of the housing 14 through the hollow portion of the hollow bolt and are fixed by the fixing band 16.
The stator 13 is fixed by the hollow bolt, so that a power line and a signal line can be conveniently led out, and the space is saved to the greatest extent.
Further, a bearing 4 is arranged between the impeller shaft 12 and the inner rotor 1, an inner ring of the bearing 4 is fixedly arranged on the impeller shaft 12, and an outer ring of the bearing 4 is fixedly arranged on the inner rotor 1.
The bearing 4 can fix the impeller shaft 12 in the axial direction of the impeller shaft 12, so that the structure of the invention is more stable and reliable.
Further, the inner ring of the bearing 4 is fixedly mounted on the impeller shaft 12 through the nut 3 and the washer 5.
Further, a bearing 20 is provided between the dehydrating shaft 11 and the bracket 19, an inner ring of the bearing 20 is fixedly installed on the dehydrating shaft 11, and an outer ring of the bearing 20 is fixedly installed on the bracket 19.
Further, the dehydrating shaft 11 is fixedly mounted on the outer rotor 9 by screws 10.
Further, a set of electromagnetic windings and a set of magnetic modulation rings are arranged on the stator 13.
In summary, with the power device of the dual-drive washing machine of the present invention, during washing operation, the slider 8 slides towards the direction close to the inner rotor 1, so that the protrusion 6 is engaged with the groove 2, the inner rotor 1 drives the slider 8 to rotate, the slider 8 drives the impeller shaft 12 to rotate through the keyway structure, and the outer rotor 9 and the inner rotor 1 rotate in opposite directions, so that the rotation of the dewatering tub and the impeller is opposite, and the washing operation is completed; during the spin-drying operation, the inner rotor is powered off, the slide block 8 slides towards the direction far away from the inner rotor 1, so that the convex block 6 is separated from the groove 2, the impeller shaft 12 and the inner rotor 1 are in a relatively free state, namely the impeller shaft 12 loses power, and the spin-drying operation is completed. That is, the washing operation and the spin-drying operation can be switched simply and conveniently, and after further improvement, when the washing operation is completed, the inner rotor is powered off, the control slider 8 slides towards the direction far away from the inner rotor 1 and close to the dehydration shaft 11, so that the lug 6 is separated from the groove 2, the groove 18 is meshed with the lug 17, the impeller shaft 12 and the inner rotor 1 are in a relatively free state and rotate synchronously with the dehydration shaft 11, the impeller and the dehydration barrel rotate synchronously, no pulling of any form is generated on clothes, and the clothes are protected to the maximum extent.
Drawings
FIG. 1 is a schematic view of a direct drive motor of a dual drive washing machine;
FIG. 2 is a schematic view of the washing condition of the power device of the dual-drive washing machine in embodiment 2;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of a spin-drying condition of the power device of the dual-drive washing machine in embodiment 2;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic view of a washing condition of an embodiment 3 of a dual-drive washing machine power device;
FIG. 7 is an enlarged view of a portion C of FIG. 6;
FIG. 8 is a schematic view of a spin-drying condition of an embodiment 3 of a dual-drive washing machine power device;
fig. 9 is a partially enlarged view of portion D of fig. 8.
Detailed Description
Example 1
Fig. 1 is a schematic view of a direct drive motor of a dual drive washing machine, and embodiment 1 is specifically described below with reference to fig. 1.
This embodiment comprises a bracket 19, a stator 13 mounted on the bracket 19, an outer rotor 9 mounted on the outside of the stator 13, and an inner rotor 1 mounted on the inside of the stator 13, when the electromagnetic windings of the stator 13 are energized, a magnetic field will be generated around the stator 13, the direction of the magnetic field on the outside of the stator 13 being opposite to the direction of the magnetic field on the inside of the stator 13, resulting in the direction of the electromagnetic force generated on the outside of the stator 13 being opposite to the direction of the electromagnetic force on the inside of the stator 13, such that the outer rotor 9 turns opposite to the inner rotor. That is to say, this embodiment adopts a set of electromagnetic winding, a set of magnetic modulation ring just can realize that two rotors rotate to opposite direction, and the wearing and tearing are little, the noise is low, and the power consumption is low and saved a large amount of spaces.
Example 2
Fig. 2 is a schematic view of a washing condition of an embodiment 2 of a dual-drive washing machine power device, fig. 3 is an enlarged schematic view of a portion a in fig. 2, fig. 4 is a schematic view of a spin-drying condition of the embodiment 2 of the dual-drive washing machine power device, and fig. 5 is an enlarged schematic view of a portion B in fig. 4.
The following describes in detail an embodiment 2 of a power device of a dual-drive washing machine with reference to fig. 2, 3, 4 and 5, which includes: the power device of the dual-drive washing machine further comprises a dewatering shaft 11 fixedly connected with the outer rotor 9, a impeller shaft 12 connected with the inner rotor 1, and a sliding block 8 arranged between the impeller shaft 12 and the inner rotor 1, wherein the sliding block 8 is sleeved on the impeller shaft 12, at least one pair of key groove structures are arranged between the sliding block 8 and the impeller shaft 12, so that the sliding block 8 can slide along the axial direction of the impeller shaft 12 and can drive the impeller shaft 12 to rotate around the axis of the impeller shaft 12, a convex block 6 is arranged on the sliding block 8, and a groove 2 capable of being meshed with the convex block 6 is arranged on the inner rotor 1.
The present embodiment further includes a magnet 7 mounted on the bracket 19, and the sliding of the slider 8 in the axial direction of the impeller shaft 12 can be controlled by controlling the on/off of the magnet 7.
The stator 13 can be mounted on the bracket 19 by a hollow bolt, and a power line and a signal line are extended from the inside of the housing 14 to the outside of the housing 14 through a hollow portion of the hollow bolt and fixed by a fixing band 16.
A bearing 4 is arranged between the impeller shaft 12 and the inner rotor 1, the inner ring of the bearing 4 is fixedly arranged on the impeller shaft 12, and the outer ring of the bearing 4 is fixedly arranged on the inner rotor 1.
The inner ring of the bearing 4 is fixedly mounted on the impeller shaft 12 through the nut 3 and the washer 5.
A bearing 20 is provided between the dehydrating shaft 11 and the bracket 19, an inner ring of the bearing 20 is fixedly mounted on the dehydrating shaft 11, and an outer ring of the bearing 20 is fixedly mounted on the bracket 19.
The dewatering shaft 11 is fixedly connected with the outer rotor 9 through a screw 10.
The stator 13 is provided with a set of electromagnetic windings and a set of magnetic modulation rings.
By adopting the power device of the dual-drive washing machine of the embodiment, when washing operation is carried out, the on-off state of the magnet 7 is changed, the slider 8 slides along the axial direction of the impeller shaft 12 in the direction close to the inner rotor 1, the convex block 6 is meshed with the groove 2, the inner rotor 1 drives the slider 8 to rotate around the axis of the impeller shaft 12, the slider 8 drives the impeller shaft 12 to rotate around the axis of the impeller shaft 12 under the action of a key groove structure between the slider 8 and the impeller shaft 12, at the moment, the rotation directions of the outer rotor 9 and the inner rotor 1 are opposite due to the fact that the directions of the magnetic fields on the inner side and the outer side of the stator 13 are opposite, and the outer rotor 9 and the dewatering shaft 11 are fixedly connected, so that the dewatering shaft 11 and the impeller shaft 12 are opposite in.
After washing, the inner rotor is powered off, the on-off state of the magnet 7 is changed, the sliding block 8 slides along the axial direction of the impeller shaft 12 in the direction far away from the inner rotor 1, the lug 6 is separated from the groove 2, the impeller shaft 12 and the inner rotor 1 are in a relatively free state, namely, the inner rotor 1 does not provide power for the impeller shaft 12 at the moment, the impeller loses power, clothes in spin-drying cannot be pulled, and the effect of protecting the clothes is achieved in the spin-drying process.
The double-drive washing device has the advantages that the double-drive washing that the impeller and the dewatering barrel rotate in opposite directions when clothes are washed can be realized through the double-rotor direct-drive motor, the simple and convenient switching between the washing working condition and the spin-drying working condition can be realized, and the clothes are protected to a certain extent in the spin-drying process.
Example 3
Fig. 6 is a schematic diagram showing a washing condition of the dual-drive washing machine power device in embodiment 3, fig. 7 is a partially enlarged schematic diagram of a portion C in fig. 6, fig. 8 is a schematic diagram showing a spin-drying condition of the dual-drive washing machine power device in embodiment 3, and fig. 9 is a partially enlarged schematic diagram of a portion D in fig. 8.
The following describes in detail an embodiment 3 of a dual drive washing machine power device with reference to fig. 6, 7, 8 and 9, which includes: a shell 14, a bracket 19 fixedly arranged in the shell 14, a direct drive motor arranged on the bracket 19, the direct drive motor comprises a stator 13 fixedly arranged on a bracket 19, an inner rotor 1 arranged on the inner side of the stator 13, an outer rotor 9 arranged on the outer side of the stator 13, a dehydration shaft 11 fixedly connected with the outer rotor 9, a wave wheel shaft 12 connected with the inner rotor 1, and a slide block 8 arranged between the wave wheel shaft 12 and the inner rotor 1, wherein the slide block 8 is sleeved on the wave wheel shaft 12, at least one pair of key groove structures are arranged between the sliding block 8 and the wave wheel shaft 12, so that the sliding block 8 can slide along the axial direction of the wave wheel shaft 12 and can drive the wave wheel shaft 12 to rotate around the axis of the wave wheel shaft 12, a projection 6 and a groove 18 are provided on a slider 8, a groove 2 engageable with the projection 6 is provided on an inner rotor 1, and a projection 17 engageable with the groove 18 is provided on a dehydrating shaft 11.
The present embodiment further includes a magnet 7 mounted on the bracket 19, and the slider 8 can be controlled to slide along the axial direction of the impeller shaft 12 by controlling the on/off of the magnet 7.
The stator 13 can be mounted on the bracket 19 by a hollow bolt, and a power line and a signal line are extended from the inside of the housing 14 to the outside of the housing 14 through a hollow portion of the hollow bolt and fixed by a fixing band 16.
A bearing 4 is arranged between the impeller shaft 12 and the inner rotor 1, the inner ring of the bearing 4 is fixedly arranged on the impeller shaft 12, and the outer ring of the bearing 4 is fixedly arranged on the inner rotor 1.
The inner ring of the bearing 4 is fixedly mounted on the impeller shaft 12 through the nut 3 and the washer 5.
A bearing 20 is provided between the dehydrating shaft 11 and the housing 14, an inner ring of the bearing 20 is fixedly mounted on the dehydrating shaft 11, and an outer ring of the bearing 20 is fixedly mounted on the housing 14.
The dewatering shaft 11 is fixedly connected with the outer rotor 9 through a screw 10.
The stator 13 is provided with a set of electromagnetic windings and a set of magnetic modulation rings.
By adopting the power device of the dual-drive washing machine described in the embodiment, when washing operation is carried out, the on-off state of the magnet 7 is changed, the slider 8 moves along the axial direction of the impeller shaft 12 in the direction close to the inner rotor 1, the lug 6 is meshed with the groove 2, the inner rotor 1 drives the slider 8 to rotate around the axis of the impeller shaft 12, the slider 8 drives the impeller shaft 12 to rotate along the axis of the latter under the action of the keyway structure between the slider 8 and the impeller shaft 12, at the moment, the rotation directions of the outer rotor 9 and the inner rotor 1 are opposite due to the opposite directions of the magnetic fields at the inner side and the outer side of the stator 13, and the outer rotor 9 and the dewatering shaft 11 are fixedly connected, so that the dewatering shaft 11 and the impeller shaft 12 are opposite in rotation directions, a dewatering barrel and.
After the washing is finished, the inner rotor is powered off, the on-off state of the magnet 7 is changed, the sliding block 8 slides along the axial direction 12 of the impeller shaft in the direction far away from the inner rotor 1 and close to the dewatering shaft 11, the lug 6 is separated from the groove 2, the lug 17 is meshed with the groove 18, the dewatering shaft 11 drives the sliding block 8 to rotate, the sliding block 8 drives the impeller shaft 12 to rotate under the action of a key groove structure between the sliding block 8 and the impeller shaft 12, the dewatering shaft 11 and the impeller shaft 12 rotate synchronously, and therefore a dewatering barrel and an impeller in the washing machine rotate synchronously to spin clothes in the washing machine.
The embodiment can realize double-drive washing of the impeller and the dewatering barrel rotating in the opposite direction when clothes are washed by the double-rotor direct drive motor, can realize simple and convenient switching between a washing working condition and a dewatering working condition, and can ensure that the impeller shaft and the dewatering shaft synchronously rotate when the clothes are dewatered without pulling clothes in any form. The present embodiment can not only improve the washing degree of the laundry but also protect the laundry to the maximum extent at the time of the spin-drying operation.
Claims (8)
1. A power device of a dual-drive washing machine comprises a direct drive motor, the direct drive motor comprises a stator (13), an inner rotor (1) arranged on the inner side of the stator (13), and an outer rotor (9) arranged on the outer side of the stator (13), the power device of the dual-drive washing machine further comprises a dehydration shaft (11) fixedly connected with the outer rotor (9), a impeller shaft (12) connected with the inner rotor (1), and a sliding block (8) arranged between the impeller shaft (12) and the inner rotor (1), and is characterized in that the sliding block (8) is sleeved on the impeller shaft (12), at least one pair of key groove structures are arranged between the sliding block (8) and the impeller shaft (12), so that the sliding block (8) can slide along the axial direction of the impeller shaft (12) and can drive the impeller shaft (12) to rotate around the axis of the impeller shaft (12), a convex block (6) is arranged on the sliding block (8), a groove (2) which can be meshed with the lug (6) is arranged on the inner rotor (1); a groove (18) is arranged on the sliding block (8), a lug (17) which can be meshed with the groove (18) is arranged on the dewatering shaft (11), and only one pair of the groove (18), the lug (17), the lug (6) and the groove (2) can be meshed with each other at the same time; the reciprocating type wave wheel further comprises a magnet (7) arranged on the support (19), and the sliding block (8) can be controlled to slide along the axial direction of the wave wheel shaft (12) by controlling the on-off of the magnet (7).
2. The power unit of a dual drive washing machine according to claim 1, further comprising a casing (14) and a bracket (19) installed in the casing (14), said stator (13) being installed on the bracket (19).
3. The power unit of a dual drive washing machine according to claim 2, wherein the stator (13) is mounted on the bracket (19) by means of a hollow bolt, and the power line and the signal line extend from the inside of the casing (14) to the outside of the casing (14) through the hollow portion of the hollow bolt and are fixed by means of the fixing band (16).
4. The power device of a dual drive washing machine according to claim 1, wherein a bearing (4) is provided between the impeller shaft (12) and the inner rotor (1), an inner ring of the bearing (4) is fixedly mounted on the impeller shaft (12), and an outer ring of the bearing (4) is fixedly mounted on the inner rotor (1).
5. The power unit of a dual drive washing machine according to claim 4, wherein the inner race of the bearing (4) is fixedly mounted on the pulsator shaft (12) through the nut (3) and the washer (5).
6. The power unit of a dual drive washing machine according to claim 2, wherein a bearing (20) is provided between the dehydrating shaft (11) and the bracket (19), an inner ring of the bearing (20) is fixedly installed on the dehydrating shaft (11), and an outer ring of the bearing (20) is fixedly installed on the bracket (19).
7. The power unit of a dual drive washing machine according to claim 1, wherein the dehydrating shaft (11) is fixedly connected with the outer rotor (9) by a screw (10).
8. The power unit of a dual drive washing machine according to claim 1, characterized in that a set of electromagnetic windings and a set of magnetic modulation rings are provided on the stator (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807385.2A CN105780373B (en) | 2014-12-23 | 2014-12-23 | Power device of double-drive washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807385.2A CN105780373B (en) | 2014-12-23 | 2014-12-23 | Power device of double-drive washing machine |
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| CN105780373A CN105780373A (en) | 2016-07-20 |
| CN105780373B true CN105780373B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410807385.2A Active CN105780373B (en) | 2014-12-23 | 2014-12-23 | Power device of double-drive washing machine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076478A1 (en) * | 2016-10-31 | 2018-05-03 | 广东威灵电机制造有限公司 | Washing machine |
| CN106567224B (en) * | 2016-10-31 | 2020-04-03 | 广东威灵电机制造有限公司 | Pulsator washing machine |
| WO2018076481A1 (en) * | 2016-10-31 | 2018-05-03 | 广东威灵电机制造有限公司 | Washing machine |
| FR3066623B1 (en) * | 2017-05-17 | 2022-12-16 | Valeo Systemes Dessuyage | DEVICE FOR PROTECTION OF AN OPTICAL SENSOR AND ASSOCIATED DRIVING ASSISTANCE SYSTEM |
| CN107217443A (en) * | 2017-07-18 | 2017-09-29 | 慈溪鑫蕾国际贸易有限公司 | A kind of double-shaft concentric separation type drive mechanism and the washing machine being made up of it |
| US11773525B2 (en) | 2019-05-02 | 2023-10-03 | Whirlpool Corporation | Double-rotor washing type drum washing machine |
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| CN201538893U (en) * | 2009-11-30 | 2010-08-04 | 刘富春 | Washing machine with floating washing wave wheel |
| CN102704240A (en) * | 2012-05-18 | 2012-10-03 | 浙江三星机电股份有限公司 | Bipyramid gear clutch driving device of washing machine and control method of bipyramid gear clutch driving device |
| CN103580408A (en) * | 2013-11-08 | 2014-02-12 | 袁勇 | Direct drive motor, washing machine double power drive assembly and washing machine thereof |
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| CN101074525A (en) * | 2006-05-19 | 2007-11-21 | 南京乐金熊猫电器有限公司 | Washer |
| CN101675188A (en) * | 2007-04-10 | 2010-03-17 | 阿莫泰克有限公司 | Stator for bldc motor and bldc motor having the stator, power transmission device for washing machine, driving device for washing machine and full automatic washing machine using the same |
| CN201538893U (en) * | 2009-11-30 | 2010-08-04 | 刘富春 | Washing machine with floating washing wave wheel |
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| CN103580408A (en) * | 2013-11-08 | 2014-02-12 | 袁勇 | Direct drive motor, washing machine double power drive assembly and washing machine thereof |
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| CN105780373A (en) | 2016-07-20 |
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