CN102437670A - Brushless motor used for roller drive of drum type washing machine and drum type washing machine - Google Patents
Brushless motor used for roller drive of drum type washing machine and drum type washing machine Download PDFInfo
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- CN102437670A CN102437670A CN2011104229143A CN201110422914A CN102437670A CN 102437670 A CN102437670 A CN 102437670A CN 2011104229143 A CN2011104229143 A CN 2011104229143A CN 201110422914 A CN201110422914 A CN 201110422914A CN 102437670 A CN102437670 A CN 102437670A
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Abstract
The invention discloses a brushless motor used for a roller drive of a drum type washing machine and a drum type washing machine. The brushless motor comprises motor main body and a driver. The motor main body includes a front end cap, a rear end cap, a stator, a rotor and a connector. The front end cap and the rear end cap are in an irregular cup shape; bearing chambers with a circular hole shape are arranged in centers of the bottom of the front end cap and the rear end cap; two fixed legs that are installed on a fixed seat of a rotary drum of a washing machine are respectively extended outwardly from the outboards of the cup bodies of the front end cap and the rear end cap. The stator is in a barrel shape and a circular inner hole is arranged in the middle of the stator; and the stator is fixed between the front end cap and the rear end cap. The rotator includes a shaft and is arranged in the circular inner hole of the stator; the shaft is exposed outside the front end cap and one end of the shaft is provided with the connector. And the driver is connected with the motor main body through leads. According to the invention, advantages of low noise, long service life, high efficiency, running at a forward direction and a reverse direction and gear shift in a total range of a washing machine are realized; functions of the washing machine are enhanced and performances of the washing machine are improved; the quality is perfected; and cleaness and security inside the housing of the washing machine are improved.
Description
Technical field
The present invention relates to a kind of field of household appliances, particularly a kind of brushless electric machine and roller washing machine that is used for the roller washing machine drum driven.
Background technology
Along with human lives's continuous improvement, the significance level of washing machine in the human lives improves day by day, and especially since roller washing machine came out, many superior functions made it begin to be favored by people.
But because traditional roller washing machine adopts string utmost point alternating current machine more on the present market, its major defect is exactly:
1. the string utmost point alternating current machine contact with commutator to conduct electricity through carbon brush and commutates, so just contacts friction between carbon brush and the commutator, so motor noise is just bigger;
2. owing to the friction between carbon brush and the commutator, make carbon brush and commutator that wearing and tearing all arranged, thereby restricting the working life of motor widely;
3. the carbon brush powder that weares and teares out flies to each corner in motor internal and the laundry casing along with the rotation of motor, and the components and parts of washing machine are polluted and damage, very not environmental protection;
4. the design of electrical motor structure is big, and waste of material is many.
Summary of the invention
Main purpose of the present invention provides a kind of brushless electric machine that is used for the roller washing machine drum driven, is intended to improve conventional motors deficiency in use.
The invention provides a kind of brushless electric machine that is used for the roller washing machine drum driven, comprise motor body and driver;
Said motor body comprises front end housing, rear end cap, stator, rotor, connector;
Said front end housing, rear end cap are irregular cup type, and bottom centre is provided with the bearing chamber of circle hole shape, and each protruding two in the cup outside is installed in the Convenient table on the holder of washing machine drum;
Said stator is barrel-shaped, and this barrel-shaped centre is provided with circular inner hole, and this stator is fixed between front end housing and the rear end cap; Said rotor comprises axle, and this rotor places the circular inner hole of stator, and axle is exposed to outside the front end housing, and an end of axle is a connector;
Said driver and motor body pass through wire bond.
Preferably, said driver directly is fixed on the front end housing, rear end cap of motor body or said driver is incorporated in the integrated circuit control board of washing machine.
Preferably, an end of the axle of said motor body also is provided with transducer, and this transducer is any of photoelectric coding, magnetic code, hall signal coding, resolver, generator.
Preferably, said driver is synchronous machine sine-wave drive or brushless electric machine square wave drive device.
Preferably, said connector is any of belt pulley, synchronizing wheel, gear, worm screw; This connector is enclosed within an end of axle, and perhaps the end by axle directly processes.
Preferably, said rotor comprises that also the confession axle runs through permanent magnet wherein, and said permanent magnet is for directly being fixed on the whole magnet ring on the axle; The magnet ring that perhaps said permanent magnet is spliced for the multi-disc magnetic sheet, gapped between this permanent magnet and the axle, and this gap is fixing by the plastics filling, is perhaps filled by core lamination stack and fixes, and is perhaps filled by cylindrical steel rods and fixes.
Preferably, the outer wall surface of the permanent magnet of said rotor covering one deck adds strong film.
Preferably, be provided with temperature protection switch in the said stator, the wire bond of this temperature protection switch is on driver.
Preferably, be fixed with balancing weight on the rear end cap of said motor body.
The present invention also provides a kind of roller washing machine; Comprise cylinder, brushless electric machine, belt and driven pulley; Holder and driven pulley are set on the said cylinder; Said holder is used for fixing brushless electric machine, and said belt sleeve is on brushless electric machine and driven pulley, and said brushless electric machine comprises motor body and driver;
Said motor body comprises front end housing, rear end cap, stator, rotor, connector;
Said front end housing, rear end cap are irregular cup type, and bottom centre is provided with the bearing chamber of circle hole shape, and each protruding two in the cup outside is installed in the Convenient table on the holder of washing machine drum;
Said stator is barrel-shaped, and this barrel-shaped centre is provided with circular inner hole, and this stator is fixed between front end housing and the rear end cap; Said rotor comprises axle, and this rotor places the circular inner hole of stator, and axle is exposed to outside the front end housing, and an end of axle is a connector;
Said driver and motor body pass through wire bond.
The present invention is owing to the design that has replaced traditional series excited machine with brushless electric machine; Thereby realized low noise; Long-life, high efficiency, can forward and reversely turn round, the gamut speed change, not only strengthened the function of washing machine, also improved the performance of washing machine; Perfect quality makes in the laundry casing much cleaner, safer.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for the brushless electric machine preferred embodiment of roller washing machine drum driven;
Fig. 2 is that the A of Fig. 1 is to the structural representation of facing;
Fig. 3 is the cross-sectional view of Fig. 2 in the direction of B-B;
Fig. 4 is that the brushless electric machine that the present invention is used for the roller washing machine drum driven is installed in the scheme of installation on the roller washing machine;
Fig. 5 be the present invention's brushless electric machine of being used for the roller washing machine drum driven with this running body of synchronous machine sine-wave drive drive motors fundamental diagram;
Fig. 6 be the present invention's brushless electric machine of being used for the roller washing machine drum driven with this running body of brushless electric machine square wave drive device drive motors fundamental diagram;
Fig. 7 be the present invention be used for the roller washing machine drum driven the brushless electric machine driver as the scheme of installation of a separate piece in washing machine shell;
Fig. 8 is that the brushless electric machine driver that the present invention is used for the roller washing machine drum driven is incorporated in the schematic diagram in the washing machine integrated circuit control board;
Fig. 9 is that the brushless electric machine connector that the present invention is used for the roller washing machine drum driven is belt pulley and is sleeved on the partial schematic diagram on the axle;
Figure 10 is that brushless electric machine connector connector that the present invention is used for the roller washing machine drum driven is belt pulley and the partial schematic diagram that directly on axle, processes;
Figure 11 is that the brushless electric machine connector that the present invention is used for the roller washing machine drum driven is synchronous pulley and is sleeved on the partial schematic diagram on the axle;
Figure 12 is that brushless electric machine connector connector that the present invention is used for the roller washing machine drum driven is synchronous pulley and the partial schematic diagram that directly on axle, processes;
Figure 13 is that the brushless electric machine connector that the present invention is used for the roller washing machine drum driven is gear and is sleeved on the partial schematic diagram on the axle;
Figure 14 is that brushless electric machine connector connector that the present invention is used for the roller washing machine drum driven is gear and the partial schematic diagram that directly on axle, processes;
Figure 15 is that the brushless electric machine connector that the present invention is used for the roller washing machine drum driven is sprocket wheel and is sleeved on the partial schematic diagram on the axle;
Sketch map is partly cutd open in the part of Figure 16 rotor that to be the present invention's brushless electric machine of being used for the roller washing machine drum driven form through whole permanent magnet;
Figure 17 is the present invention's brushless electric machine of being used for the roller washing machine drum driven through magnetic patch and sketch map is partly cutd open in the part that is linked to be the rotor that permanent magnet forms;
Sketch map is partly cutd open in the part of Figure 18 rotor that to be the present invention's brushless electric machine of being used for the roller washing machine drum driven form through magnet ring permanent magnet and inner injection moulding;
To be the present invention's brushless electric machine of being used for the roller washing machine drum driven partly cut open sketch map through the part of magnet ring permanent magnet and the inner rotor that forms with iron core to Figure 19;
Figure 20 is that sketch map is partly cutd open in the part that the present invention is used for the brushless electric machine rotor of roller washing machine drum driven.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 2 and Fig. 3, brushless electric machine of the present invention comprises motor body 1 and driver 60.
Said motor body 1 comprises front end housing 20, rear end cap 30, stator 40, rotor 10 and connector 2, wherein:
Front end housing 20, rear end cap 30 are irregular cup type, and bottom centre is provided with the bearing chamber 23,33 of circle hole shape, each protruding two Convenient table 21,31 of the cup outside, and be respectively equipped with installing hole 22,32 on this Convenient table 21,31;
Stator 40 is cascaded by a plurality of sheet iron cores 41, is barrel-shaped, and is provided with circular inner hole in this barrel-shaped centre, is evenly distributed with radial slot around the circular inner hole, insulate 42 built-in being covered with of this radial slot, is provided with the coil 43 that lead is formed in this insulation; This stator 40 is fixed between front end housing 20 and the rear end cap 30, and can be through screw 71 lockings;
Rotor 10 comprises axle 11, permanent magnet 12 and bearing 15, and permanent magnet 12 is column type, and axle 11 runs through wherein, and bearing 15 is enclosed within the two ends of axle 11; Rotor 10 places the circular inner hole of stator 40, and the axle 11 of rotor 10 exposes outside the front end housing 20; Be enclosed within the bearing 15 at axle 11 two ends, be separately fixed in the bearing chamber 23,33 of front end housing 20, rear end cap 30; One end of axle 11 is connectors 2;
Said driver 60 is connected through lead 70 with motor body 1, and lead 70 usefulness binding straps 91 are fixed on the rear end cap 30.
With reference to Fig. 4, the installing hole 22,32 on the Convenient table 21,31 of motor body 1 is installed on the holder 5 of washing machine drum urceolus; Belt 3 is enclosed within on the driven pulley 4 fixing on connector 2 and the cylinder inner core.Coil 43 energisings through driver 60 control stators 40 form rotating magnetic field, drive rotor 10 rotations, thereby are transferred on the driven pulley 4 fixing on the cylinder inner core through belt 3, drive the cylinder rotation.
Brushless electric machine of the present invention has been compared following advantage with existing motor:
Owing to replaced the design of traditional series excited machine with brushless electric machine, realized low noise, long-life, high efficiency, can forward and reversely turn round, the gamut speed change; Not only strengthened the function of washing machine; Also improved the performance of washing machine, perfect quality makes in the laundry casing much cleaner, safer.
With reference to Fig. 5; Above-mentioned driver 60 can be the synchronous machine sine-wave drive, mainly comprises: power inverter 101, controller 102, and controller 102 can power controlling converter 101; Thereby the current lead-through in control motor body 1 interior loop forms near sinusoidal ripple electric current.
Refer again to Fig. 3, an end of the axle 11 of above-mentioned motor body 1 also is provided with transducer 80, and the rotor 81 of this transducer 80 is fixed on the axle 11, and the stator 82 of transducer 80 is fixed on the rear end cap 30, and fixing with screw 83, and lead 70 is connected on the driver 60.This transducer 80 can be used any of photoelectric coding, magnetic code, hall signal coding, resolver, generator.According to the unlike signal of transducer 80 acquisitions, thereby can make suitable adjustment, make its operate as normal driver 60.With above-mentioned synchronous machine sine-wave drive corresponding sensor 80 be position transducer.
With reference to Fig. 6; Above-mentioned driver 60 can also be a brushless electric machine square wave drive device; Be angular transducer with this brushless electric machine square wave drive device corresponding sensor 80 then, motor body 1 and angular transducer are connected with brushless electric machine driver 60 respectively, brushless electric machine driver 60 control and output voltages; On the coil 43 of stator 40, apply square-wave voltage; Thereby drive this motor body 1 carry out rotate, stop, the speed governing action, and motor body 1 and angular transducer be by 60 power supplies of brushless electric machine driver, and by 60 drivings of brushless electric machine driver.
The structure of above-mentioned driver 60 can also comprise following various deformation:
With reference to Fig. 3, in one embodiment of the present invention, driver 60 can directly be fixed on the rear end cap 30 of motor body 1, and is fixed with screw 72.Perhaps driver 60 is fixed on the motor body 1, becomes one with motor body 1.
With reference to Fig. 7, in another embodiment of the present invention, this driver 60 can be an independently circuit board, is fixed in the washing machine shell 500, and is fixed with the screw (not shown).
With reference to Fig. 8, in another execution mode of the present invention, this driver 60 also can be arranged in the integrated circuit control board 104 of washing machine.
Need to prove that here in three kinds of structures of above-mentioned driver 60, driver 60 all must be connected with motor body 1 through lead 70.
Refer again to Fig. 3, in the coil 43 of motor body 1, temperature protection switch 90 is housed, the lead of temperature protection switch 90 is attached on the driver 60 with the lead 70 of the coil 43 of stator 40, and available binding strap 91 with lead fixed on rear end cap 30.This temperature protection switch 90 is mainly in order to prevent that risk of overheating from appearring in motor.
Also be fixed with balancing weight 50 on the rear end cap 30 of above-mentioned motor body 1, this balancing weight 50 can use screw 72 fixing.Because brushless electric machine of the present invention is little more about 1/3 than the weight of conventional motors, therefore for the installation occasion of compatible conventional motors balancing weight is housed, and makes it reach the weight the same with conventional motors.Need to prove that here if after existing washing machine improves, this balancing weight 50 just can be canceled.
The structure of above-mentioned connector 2 also can comprise following various deformation:
With reference to Fig. 9, in one embodiment of the present invention, this connector 2 can be a belt pulley that is enclosed within the end of axle 11.Certainly, also can belt pulley be processed in the end of axle 11, thereby form connector 2 with the mode of machining, shown in figure 10.Accordingly, driven pulley fixing on connector 2 and the cylinder inner core 4 is linked, and drive the cylinder rotation through belt.
With reference to Figure 11, in another embodiment of the present invention, this connector 2 can be a synchronous pulley that is enclosed within the end of axle 11.Certainly, also can synchronous pulley be processed in the end of axle 11, thereby form connector 2 with the mode of machining, shown in figure 12.Accordingly, driven pulley fixing on connector 2 and the cylinder inner core 4 is linked, and drive the cylinder rotation through synchronous band.
With reference to Figure 13, in another execution mode of the present invention, this connector 2 can be a gear that is enclosed within the end of axle 11.Certainly, also can use the end machine addition gear of the mode of machining, thereby form connector 2 axle 11, shown in figure 14.Accordingly, can driven pulley 4 cylindricals fixing on the cylinder inner core be made gear ring, and be meshed, drive the cylinder rotation with gear connector 2.
With reference to Figure 15, in another execution mode of the present invention, this connector 2 can be a sprocket wheel that is enclosed within the end of axle 11.Accordingly, can driven pulley 4 cylindricals fixing on the cylinder inner core be made the chain wheel rim, available chain links itself and sprocket wheel connector 2, drives the cylinder rotation.
The structure of above-mentioned rotor 10 also can comprise following various deformation:
With reference to Figure 16, in one embodiment of the present invention, permanent magnet 12 is made a columniform whole magnet ring, directly is fixed on and forms rotor 10 on the axle 11.
With reference to Figure 17; In another embodiment of the present invention; Permanent magnet 12 can be the barrel-shaped magnet ring that is spliced by the multi-disc magnetic sheet; And permanent magnet 12 and the gap of axle between 11 can be filled by the rod iron of axle 11 itself or other rod iron, forms rotor 10 on the axle 11 thereby permanent magnet 12 is fixed on.
With reference to Figure 18; In another execution mode of the present invention; Permanent magnet 12 can be the barrel-shaped magnet ring that is spliced by the multi-disc magnetic sheet, and the gap between permanent magnet 12 and the axle 11 can form rotor 10 thereby permanent magnet 12 is fixed on by plastics 13 fillings on the axle 11.
With reference to Figure 19; In another execution mode of the present invention; Permanent magnet can be the barrel-shaped magnet ring that is spliced by the multi-disc magnetic sheet, and permanent magnet 12 can be filled by the cylinder-shaped iron core 13 that the punching closed assembly becomes with the gap of axle between 11, thereby makes permanent magnet 12 be fixed on formation rotor 10 on the axle 11.
With reference to Figure 20, the outer wall surface of the permanent magnet 12 of rotor 10 can also cover one deck and add strong film 16, with the intensity of reinforcement permanent magnet 12, thereby guarantees that the motor centrifugal force that rotor 10 is produced when high quick-action is changeed can not throw away permanent magnet 12.
The above is merely the preferred embodiments of the present invention; Be not so limit its claim; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a brushless electric machine that is used for the roller washing machine drum driven is characterized in that, comprises motor body and driver;
Said motor body comprises front end housing, rear end cap, stator, rotor, connector;
Said front end housing, rear end cap are irregular cup type, and bottom centre is provided with the bearing chamber of circle hole shape, and each protruding two in the cup outside is installed in the Convenient table on the holder of washing machine drum;
Said stator is barrel-shaped, and this barrel-shaped centre is provided with circular inner hole, and this stator is fixed between front end housing and the rear end cap; Said rotor comprises axle, and this rotor places the circular inner hole of stator, and axle is exposed to outside the front end housing, and an end of axle is a connector;
Said driver and motor body pass through wire bond.
2. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 1 is characterized in that, said driver directly is fixed on the front end housing, rear end cap of motor body or said driver is incorporated in the integrated circuit control board of washing machine.
3. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 2; It is characterized in that; One end of the axle of said motor body also is provided with transducer, and this transducer is any of photoelectric coding, magnetic code, hall signal coding, resolver, generator.
4. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 3 is characterized in that, said driver is synchronous machine sine-wave drive or brushless electric machine square wave drive device.
5. like each described brushless electric machine that is used for the roller washing machine drum driven in the claim 1 to 4, it is characterized in that said connector is any of belt pulley, synchronizing wheel, gear, worm screw; This connector is enclosed within an end of axle, and perhaps the end by axle directly processes.
6. like each described brushless electric machine that is used for the roller washing machine drum driven in the claim 1 to 4, it is characterized in that said rotor comprises that also the confession axle runs through permanent magnet wherein, said permanent magnet is for directly being fixed on the whole magnet ring on the axle; The magnet ring that perhaps said permanent magnet is spliced for the multi-disc magnetic sheet, gapped between this permanent magnet and the axle, and this gap is fixing by the plastics filling, is perhaps filled by core lamination stack and fixes, and is perhaps filled by cylindrical steel rods and fixes.
7. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 6 is characterized in that, the outer wall surface of the permanent magnet of said rotor covers one deck and adds strong film.
8. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 1 is characterized in that, is provided with temperature protection switch in the said stator, and the wire bond of this temperature protection switch is on driver.
9. the brushless electric machine that is used for the roller washing machine drum driven as claimed in claim 1 is characterized in that, is fixed with balancing weight on the rear end cap of said motor body.
10. a roller washing machine is characterized in that, comprises cylinder, brushless electric machine, belt and driven pulley; Holder and driven pulley are set on the said cylinder; Said holder is used for fixing brushless electric machine, and said belt sleeve is on brushless electric machine and driven pulley, and brushless electric machine rotates through the driven pulley that belt drives on the cylinder; And then driving the cylinder rotation, said brushless electric machine is like each described brushless electric machine in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104229143A CN102437670A (en) | 2011-12-16 | 2011-12-16 | Brushless motor used for roller drive of drum type washing machine and drum type washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104229143A CN102437670A (en) | 2011-12-16 | 2011-12-16 | Brushless motor used for roller drive of drum type washing machine and drum type washing machine |
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| CN102437670A true CN102437670A (en) | 2012-05-02 |
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| CN2011104229143A Pending CN102437670A (en) | 2011-12-16 | 2011-12-16 | Brushless motor used for roller drive of drum type washing machine and drum type washing machine |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723800A (en) * | 2012-07-10 | 2012-10-10 | 湖州永昌贝诗讬电器实业有限公司 | Method for fixing washing machine motor and motor end cover |
| CN103527747A (en) * | 2012-06-28 | 2014-01-22 | Lg伊诺特有限公司 | Motor |
| CN104079104A (en) * | 2014-07-16 | 2014-10-01 | 浙江伟康电机有限公司 | Stretched iron end cover structure used for roller washing machine series excited motor |
| CN104682607A (en) * | 2015-03-10 | 2015-06-03 | 佛山市威灵洗涤电机制造有限公司 | Rear end cover of motor, integrated motor and washing machine |
| CN105703517A (en) * | 2016-03-28 | 2016-06-22 | 泰信电机(苏州)有限公司 | High-efficiency motor |
| CN105811633A (en) * | 2016-03-23 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel motor housing |
| CN105811625A (en) * | 2016-03-23 | 2016-07-27 | 泰信电机(苏州)有限公司 | High-efficiency rotor for motor |
| CN105862338A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Lead weight type auxiliary balance device for spin dryer of washing machine |
| CN105862337A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Method for manufacturing lead weight type auxiliary balance device for spin dryer of washing machine |
| CN105914968A (en) * | 2016-05-26 | 2016-08-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet rotor forming method, permanent magnet rotor and electric machinery |
| CN106253572A (en) * | 2016-07-28 | 2016-12-21 | 佛山市威灵洗涤电机制造有限公司 | Household electrical appliance |
| WO2017063259A1 (en) * | 2015-10-13 | 2017-04-20 | 佛山市威灵洗涤电机制造有限公司 | Motor assembly used for washing machine and washing machine having same |
| CN111828277A (en) * | 2019-04-17 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Washing machine water pump and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103527747A (en) * | 2012-06-28 | 2014-01-22 | Lg伊诺特有限公司 | Motor |
| CN102723800A (en) * | 2012-07-10 | 2012-10-10 | 湖州永昌贝诗讬电器实业有限公司 | Method for fixing washing machine motor and motor end cover |
| CN104079104A (en) * | 2014-07-16 | 2014-10-01 | 浙江伟康电机有限公司 | Stretched iron end cover structure used for roller washing machine series excited motor |
| CN104682607A (en) * | 2015-03-10 | 2015-06-03 | 佛山市威灵洗涤电机制造有限公司 | Rear end cover of motor, integrated motor and washing machine |
| WO2017063259A1 (en) * | 2015-10-13 | 2017-04-20 | 佛山市威灵洗涤电机制造有限公司 | Motor assembly used for washing machine and washing machine having same |
| CN105811625A (en) * | 2016-03-23 | 2016-07-27 | 泰信电机(苏州)有限公司 | High-efficiency rotor for motor |
| CN105811633A (en) * | 2016-03-23 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel motor housing |
| CN105703517A (en) * | 2016-03-28 | 2016-06-22 | 泰信电机(苏州)有限公司 | High-efficiency motor |
| CN105914968A (en) * | 2016-05-26 | 2016-08-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet rotor forming method, permanent magnet rotor and electric machinery |
| CN105862338A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Lead weight type auxiliary balance device for spin dryer of washing machine |
| CN105862337A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Method for manufacturing lead weight type auxiliary balance device for spin dryer of washing machine |
| CN106253572A (en) * | 2016-07-28 | 2016-12-21 | 佛山市威灵洗涤电机制造有限公司 | Household electrical appliance |
| CN111828277A (en) * | 2019-04-17 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Washing machine water pump and washing machine |
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Application publication date: 20120502 |