CN112301657B - Dynamic vibration absorption device and clothes treatment equipment - Google Patents
Dynamic vibration absorption device and clothes treatment equipment Download PDFInfo
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- CN112301657B CN112301657B CN202010138118.6A CN202010138118A CN112301657B CN 112301657 B CN112301657 B CN 112301657B CN 202010138118 A CN202010138118 A CN 202010138118A CN 112301657 B CN112301657 B CN 112301657B
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- dynamic vibration
- damping
- vibration absorbing
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- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
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- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The embodiment of the invention provides a dynamic vibration absorption device and clothes treatment equipment, wherein the dynamic vibration absorption device comprises a body, a mass body and a damping body, wherein the mass body (12) is connected with the body (11), and a containing cavity is formed in the mass body; the damping body is movably arranged in the accommodating cavity. The dynamic vibration absorption device of the embodiment of the invention forms a dynamic vibration absorption system with damping, and has better vibration absorption effect; forced vibration of the mass body can be realized through the body, the structure is simple, the processing and the manufacturing are easy, and the production cost is low; during installation, the body is only required to be connected with the base body, and the installation and disassembly processes are simple, time-saving and labor-saving; in addition, the dynamic vibration absorbing device requires a small installation space and can be applied to a narrow space in the laundry treating apparatus.
Description
Technical Field
The invention relates to the technical field of vibration reduction, in particular to a dynamic vibration absorption device and clothes treatment equipment.
Background
Taking the washing machine as an example, the drum washing machine has high dehydration rotation speed, and the maximum dehydration rotation speed of some drum washing machines can reach 1600 rpm. The high rotational speed can cause the organism amplitude and vibration noise great, and on the one hand, the great probably will be shaken the article of laying on washing machine and fall to the floor to the amplitude, and on the other hand, the noise that the vibration arouses brings noise pollution for the user, influences user experience and feels.
Disclosure of Invention
In view of the above, embodiments of the present invention are directed to providing a dynamic-vibration absorbing apparatus and a laundry treating apparatus capable of absorbing vibration.
In order to achieve the above object, an embodiment of the present invention provides a dynamic vibration absorber, including a body, a mass body and a damping body, wherein the mass body is formed with an accommodating cavity; the damping body is movably arranged in the accommodating cavity.
In some embodiments, the body has a fixed end and a free end, and the mass is coupled to the free end of the body.
In some embodiments, the mass body includes a seat body, and a cover body, the accommodating cavity is disposed on the seat body, one side of the accommodating cavity is open, and the cover body is disposed on the open side of the accommodating cavity to confine the damping body in the accommodating cavity.
In some embodiments, the body includes integrated into one piece's first plate body and second plate body, the bottom of first plate body is the free end, the second plate body is followed the top of first plate body to one side of first plate body extends, the second plate body is the stiff end of body.
In some embodiments, the body is made of metal; and/or the damping body comprises a plurality of metal balls.
In some embodiments, the damping body is in a liquid or granular form.
In some embodiments, the filling ratio of the damping body in the accommodating cavity is 20% to 80%; and/or the number of the containing cavities is multiple, and the containing cavities are arranged at intervals.
Another aspect of the embodiments of the present invention provides a clothes treating apparatus, including a base, an inner cylinder, and any one of the above dynamic vibration absorbing devices, wherein the inner cylinder is rotatably disposed in the base; the body with base member fixed connection, the quality body is unsettled to be set up.
In some embodiments, the base includes a housing, the inner barrel rotatably disposed within the housing, and the body coupled to the housing.
In some embodiments, the body is attached to the top of the tank.
In some embodiments, the base includes a case and an outer tub disposed in the case, the inner tub is rotatably disposed in the outer tub, and the body is connected with the outer tub.
In some embodiments, the rotation axis of the inner cylinder is in a horizontal direction, the base body is provided with the dynamic-vibration absorbing apparatus along at least one lateral side perpendicular to the rotation axis of the inner cylinder, and the vibration displacement direction of the body is in a lateral direction of the base body.
In some embodiments, a plurality of the dynamic-vibration absorbing apparatuses are provided at one lateral side of the base body, and the plurality of dynamic-vibration absorbing apparatuses are arranged in the direction of the rotational axis of the inner cylinder.
On one hand, the dynamic vibration absorption device of the embodiment of the invention forms a dynamic vibration absorption system with damping through the elastic displacement of the body and the damping motion of the damping body, thereby having better vibration absorption effect; on the other hand, the forced vibration of the mass body can be realized through the body, the structure is simple, the processing and the manufacturing are easy, and the production cost is lower; on the other hand, during installation, only the body needs to be connected with the base body, and the installation and disassembly processes are simple, time-saving and labor-saving; in addition, the dynamic vibration absorbing device requires a small installation space and can be applied to a narrow space in the laundry treating apparatus.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic vibration absorbing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the cabinet and the dynamic vibration absorbing apparatus of the clothes treating apparatus according to one embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.
Description of the reference numerals
A dynamic vibration absorber 1; a body 11; a first plate body 110; a second plate body 111; the connection hole 11 a; a mass body 12; the accommodation chamber 12 a; a base body 121; a cover 122; a damping body 13; metal balls 13'; case 2
Detailed Description
It should be noted that, in the present invention, technical features in the examples and the embodiments may be combined with each other without conflict, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present invention and should not be construed as an improper limitation of the present invention.
In describing embodiments of the present invention, the terms "upper," "lower," "elevational direction," "lateral" orientation or positional relationship are based on the orientation or positional relationship shown in FIG. 4, it being understood that such orientation terms are merely used to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the invention.
Embodiments of the present invention provide a dynamic-vibration absorbing apparatus 1, and the dynamic-vibration absorbing apparatus 1 may be applied to any appropriate situation. In the embodiment of the present invention, the dynamic vibration absorbing apparatus 1 is described as an example of being applied to a laundry treating apparatus. The laundry treating apparatus may be a washing machine, a dryer, a washing and drying all-in-one machine, etc., without limitation thereto.
The clothes treating apparatus includes a base body, an inner drum, and a dynamic vibration absorbing device 1. The inner cylinder is rotatably arranged in the base body, and the dynamic vibration absorbing apparatus 1 is arranged on the base body, that is, the dynamic vibration absorbing apparatus 1 does not rotate along with the inner cylinder.
The base body provides an installation space and a supporting foundation for the inner barrel. In some embodiments, referring to fig. 2, the base body includes a housing 2, the inner cylinder is rotatably disposed in the housing 2, and the dynamic vibration absorbing apparatus 1 is disposed on the housing 2.
In other embodiments, the base body includes a box body 2 and an outer barrel disposed in the box body 2, the inner barrel is rotatably disposed in the outer barrel, and the dynamic vibration absorbing device 1 is disposed on the outer barrel.
It should be noted that, in the embodiment where the base body includes both the casing 2 and the tub, the dynamic vibration absorbing device 1 may be disposed on only the casing 2; the dynamic vibration absorption device 1 can be arranged on the outer barrel only; the dynamic vibration absorber 1 may be disposed on both the tub and the cabinet 2, which is not limited herein.
Referring to fig. 1, a dynamic vibration absorbing apparatus 1 according to an embodiment of the present invention includes a main body 11, a mass body 12, and a damping body 13 (see fig. 5).
The mass body 12 is connected to the body 11, and when the body 11 vibrates and displaces, the body 11 can drive the mass body 12 to displace. The mass body 12 is formed with the chamber 12a that holds, and the damping body 13 sets up in holding the chamber 12a movably, and in the dynamic vibration absorber 1 forced vibration process, the damping body 13 is in holding chamber 12a forced motion.
On one hand, the dynamic vibration absorbing device 1 of the embodiment of the invention enables the dynamic vibration absorbing device 1 to form a dynamic vibration absorbing system with damping through the damping motion of the body 11 and the damping body 13, thereby having better vibration absorbing effect; on the other hand, the forced vibration of the mass body 12 can be realized through the body 11, the structure is simple, the processing and the manufacturing are easy, and the production cost is lower; on the other hand, during installation, only the body 11 needs to be connected with the base body, and the installation and disassembly processes are simple, time-saving and labor-saving; in addition, the dynamic vibration absorbing device requires a small installation space and can be applied to a narrow space in the laundry treating apparatus.
Taking the example of the application of the dynamic vibration absorber 1 to the clothes treating apparatus, one end of the body 11 is fixedly connected to the base, the mass body 12 is suspended, and the mass body 12 is not in contact with other structures of the base except for the connection with the body 11, so that the mass body 12 can vibrate freely, that is, there is a proper gap between the mass body 12 and the relevant structures of the base, so as to avoid the base interfering with the vibration of the mass body 12. The dynamic vibration absorber 1 is used for the clothes treatment equipment, so that the vibration of the clothes treatment equipment can be effectively reduced, the amplitude is reduced, and the vibration noise is reduced.
In one embodiment, the body 11 has a fixed end and a free end. The body 11 is mounted to other structures through a fixed end, for example, the fixed end of the body 11 is fixedly connected to the box 2; the mass body 12 is connected to the free end of the body 11. When the body 11 vibrates, the free end of the mass body 12 has larger vibration displacement than the fixed end, so that the mass body 12 can have larger vibration displacement, and the mass body 12 can better exert a vibration damping effect.
In an embodiment, the accommodating cavity 12a extends along a vibration displacement direction of the body 11, specifically, referring to fig. 5, the vibration displacement direction of the body 11 is a left-right direction in fig. 5, and the accommodating cavity 12a extends along the left-right direction in fig. 5. In this way, the displacement direction of the damper 13 can be made to coincide with the vibration displacement direction of the body 11, so that the damper 13 can exert a better damping effect.
The shape of the cross-sectional profile of the accommodating chamber 12a is not limited, and may be, for example, a circle, a polygon, a shape formed by a combination of an arc side and a straight side, and the like, without being limited thereto. In the embodiment of the present invention, the cross-sectional profile of the accommodating cavity 12a is circular, which facilitates processing and facilitates the damping body 13 to better fill the accommodating cavity 12 a.
The number of the accommodating chamber 12a may be one or more. The number and size of the housing cavities 12a can be determined reasonably according to the size of the mass body 12. In the embodiment of the present invention, the number of the accommodating cavities 12a is plural, and the accommodating cavities 12a are arranged at intervals, so that the mass distribution of the mass body 12 and the damping body 13 is relatively uniform.
The specific shape and material of the damper 13 are not limited. In some embodiments, the damping body 13 is a liquid enclosed in the containing chamber 12a, wherein the liquid may be non-viscous, such as water; the liquid may also be a viscous liquid, such as oil or the like. In other embodiments, the damping body 13 is a loose particle, such as sand, salt, metal powder, etc.
In some embodiments, referring to fig. 5, the damping body 13 includes a plurality of metal balls 13 ', the metal balls 13 ' have a higher mass density, and when the volumes of the accommodating cavities 12a are the same and the filling ratio of the damping body 13 is the same, the damping body 13 formed by the plurality of metal balls 13 ' has a higher mass, so that a better damping effect can be achieved.
The filling ratio is a ratio of a volume of the accommodating chamber 12a filled with the damping body 13 to a total volume of the accommodating chamber 12 a.
The material of the metal ball 13' is not limited, and may be, for example, iron, steel, or other metal alloy. For example, in the embodiment of the present invention, the metal ball 13' is made of stainless steel.
In one embodiment, the filling ratio of the damping body 13 in the accommodating cavity 12a is 20% to 80%. Thus, the damping body 13 can have a good displacement space in the accommodating cavity 12a, and the damping body 13 can also have appropriate mass, so that the damping effect of the damping body 13 can be exerted more fully.
In order to facilitate the insertion of the damping body 13 into the accommodating cavity 12a, in an embodiment, referring to fig. 1, the mass body 12 includes a base 121 and a cover 122, the accommodating cavity 12a is disposed on the base 121, and one side of the accommodating cavity 12a is open, for example, the accommodating cavity 12a is a blind hole disposed on the base 121. The cover 122 is provided on the open side of the accommodating chamber 12a to confine the damper 13 within the accommodating chamber 12 a.
In an embodiment in which the number of the accommodating chambers 12a is plural, only one cover 122 may be provided, that is, the open side of all the accommodating chambers 12a may be covered by one cover 122.
The cover 122 needs to ensure that the damper 13 does not leak out of the accommodating chamber 12a, and therefore, the connection positional relationship of the cover 122 to the open side of the accommodating chamber 12a is related to the shape of the damper 13. Specifically, for example, when the damper 13 is liquid, the joint of the lid 122 and the periphery of the open side of the accommodating chamber 12a needs to have a good waterproof sealing performance. For another example, when the damping body 13 is a metal ball 13 ', the joint between the cover 122 and the periphery of the open side of the accommodating cavity 12a may not be sealed as long as the metal ball 13' does not fall out.
The specific connection manner of the cover 122 and the seat 121 is not limited, and for example, the connection manner may be bonding, clamping, screw connection, and the like, which is not limited herein.
The material of the body 11 is not limited. In the embodiment of the present invention, the body 11 is made of metal, and the body 11 made of metal material can have both good structural strength and elastic deformation capability. In particular, in one embodiment, the metal is spring steel, which has excellent mechanical properties, such as high tensile strength, high elastic limit, high fatigue strength, and the like.
The specific structure of the body 11 is not limited, and may be a straight extension or a bent structure. In an embodiment of the present invention, the body 11 is a bent structure, and specifically, referring to fig. 1, the body 11 includes a first board 110 and a second board 111 that are integrally formed, and a bottom end of the first board 110 is a free end. The second plate 111 extends from the top end of the first plate 110 to one side of the first plate 110, for example, the extending direction of the second plate 111 may be perpendicular to the plane of the first plate 110, and the included angle between the two may be 90 °; the extending direction of the second plate 111 may be a plane of the first plate 110 with a certain included angle, for example, 80 ° to 100 °.
The second plate 111 is a fixed end of the main body 11, and the main body 11 is fixedly connected to the base through the second plate 111. In order to facilitate the connection between the second board 111 and the base, in an embodiment, referring to fig. 1, the second board 111 is provided with a connection hole 11a penetrating through the second board 111, and a bolt or a screw is inserted into the connection hole 11a to connect the second board 111 and the base, so that the connection manner is simple and reliable.
The second plate 111 can facilitate the coupling of the dynamic-vibration absorbing apparatus 1 to the base body. The second plate 111 may rest against a part of the structure of the base body, the first plate 110 extending in a vertical direction and the second plate 111 extending in a horizontal plane. The weight of the mass body 12 and the damping body 13 is borne by the first plate body 110, and the center of gravity of the combined structure formed by the mass body 12 and the damping body 13 and the center of gravity of the first plate body 110 are located in the same vertical plane, so that the stress condition of the first plate body 110 is improved, and the service life of the dynamic vibration absorbing device 1 is prolonged.
In an embodiment, the dynamic vibration absorbing device 1 is disposed at the top of the box body 2, specifically, the fixed end of the body 11 is connected to the top of the box body 2, that is, the second plate 111 abuts against the top of the box body 2, on one hand, the installation of the second plate 111 and the box body 2 can be facilitated, that is, the second plate 111 is directly installed at the top of the box body 2, the box body 2 does not need to be turned over, and there is sufficient installation space; on the other hand, by using the existing structure of the box body 2, the installation structure for installing the dynamic vibration absorbing device 1 does not need to be additionally arranged, that is, the dynamic vibration absorbing device 1 of the embodiment of the invention can be additionally arranged on the existing clothes treatment equipment, so that the product can be updated with lower manufacturing cost.
The dynamic vibration absorption device 1 of the embodiment of the invention can be applied to vertical shaft type clothes treatment equipment, such as a pulsator washing machine and a stirring washing machine; the dynamic vibration absorption device 1 can be mounted on the top of the base body so as to fully utilize the internal space of the horizontal-axis type clothes treatment equipment.
In the embodiment of the present invention, taking the dynamic vibration absorbing apparatus 1 as an example of being applied to a horizontal axis type clothes treating apparatus, specifically, referring to fig. 3, the rotation axis L of the inner cylinder is along the horizontal direction, the dynamic vibration absorbing apparatus 1 is disposed on the base body along at least one lateral side perpendicular to the rotation axis of the inner cylinder, and the vibration displacement direction of the body 11 is along the lateral direction of the base body.
The horizontal axis type clothes treating apparatus has obvious vibration in the transverse direction perpendicular to the rotation axis of the inner cylinder, so that in the embodiment of the present invention, one transverse side of the base body is provided with a plurality of dynamic vibration absorbing devices 1, and the plurality of dynamic vibration absorbing devices 1 are arranged along the rotation axis direction of the inner cylinder.
Referring to fig. 3, taking the example of disposing two dynamic-vibration absorbing apparatuses 1 at one side of the base in the lateral direction, tests have shown that the two dynamic-vibration absorbing apparatuses 1 expand the bandwidth of the vibration absorbing frequency band by 1 time.
The various embodiments/implementations provided by the present invention can be combined with each other without contradiction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The dynamic vibration absorber is characterized by comprising:
a body (11);
the mass body (12), the mass body (12) is connected to the body (11), the mass body (12) comprises a seat body (121) and a cover body (122), the seat body (121) is provided with a containing cavity (12a), one side of the containing cavity (12a) is open, and the cover body (122) is arranged on the open side of the containing cavity (12 a);
a damping body (13), the damping body (13) is movably arranged in the accommodating cavity (12a), and the cover body (122) is arranged on the open side of the accommodating cavity (12a) to limit the damping body (13) in the accommodating cavity (12 a).
2. The dynamic vibration absorbing apparatus of claim 1, wherein said body (11) has a fixed end and a free end, and said mass (12) is connected to the free end of said body (11).
3. The dynamic vibration absorbing apparatus of claim 2, wherein the body (11) comprises a first plate body (110) and a second plate body (111) which are integrally formed, the bottom end of the first plate body (110) being the free end, the second plate body (111) extending from the top end of the first plate body (110) to one side of the first plate body (110), the second plate body (111) being the fixed end of the body (11).
4. The dynamic vibration absorbing apparatus of any one of claims 1 to 3, wherein said body (11) is made of metal; and/or the damping body (13) comprises a plurality of metal balls.
5. The dynamic vibration absorbing apparatus of any one of claims 1 to 3 wherein said damping body (13) is in the form of a liquid or a particle.
6. The dynamic vibration absorbing apparatus of any one of claims 1 to 3 wherein the filling ratio of the damping body (13) in the accommodating chamber (12a) is 20% to 80%; and/or the number of the accommodating cavities (12a) is multiple, and the accommodating cavities (12a) are arranged at intervals.
7. Laundry treatment apparatus, characterized by comprising:
a substrate;
an inner cylinder rotatably disposed within the base;
the dynamic vibration absorbing apparatus according to any one of claims 1 to 6, said body (11) being fixedly connected to said base body, said mass body (12) being suspended.
8. A laundry treatment apparatus as claimed in claim 7, characterized in that said base comprises a cabinet (2), said inner drum being rotatably arranged inside said cabinet (2), said body (11) being connected to said cabinet (2).
9. The laundry treating apparatus according to claim 8, characterized in that the body (11) is connected to a top of the cabinet (2).
10. The laundry treating apparatus according to claim 7, wherein the base includes a cabinet (2) and an outer tub provided in the cabinet (2), the inner tub being rotatably provided in the outer tub, the body (11) being connected with the outer tub.
11. The laundry treating apparatus according to any one of claims 7-10, characterized in that the rotation axis of the drum is in a horizontal direction, the base body is provided with the dynamic-vibration absorbing means along at least one lateral side perpendicular to the rotation axis of the drum, and the vibration displacement direction of the body (11) is in a lateral direction of the base body.
12. The laundry treating apparatus according to claim 11, wherein a lateral side of the base body is provided with a plurality of the dynamic-vibration absorbing means arranged in a direction of a rotation axis of the inner tub.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138118.6A CN112301657B (en) | 2020-03-03 | 2020-03-03 | Dynamic vibration absorption device and clothes treatment equipment |
| PCT/CN2021/078775 WO2021175229A1 (en) | 2020-03-03 | 2021-03-02 | Dynamic vibration absorbing apparatus and laundry treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138118.6A CN112301657B (en) | 2020-03-03 | 2020-03-03 | Dynamic vibration absorption device and clothes treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112301657A CN112301657A (en) | 2021-02-02 |
| CN112301657B true CN112301657B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010138118.6A Active CN112301657B (en) | 2020-03-03 | 2020-03-03 | Dynamic vibration absorption device and clothes treatment equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN112301657B (en) |
| WO (1) | WO2021175229A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301657B (en) * | 2020-03-03 | 2022-03-15 | 无锡小天鹅电器有限公司 | Dynamic vibration absorption device and clothes treatment equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800007A (en) * | 1955-08-05 | 1958-08-20 | Westinghouse Electric Int Co | Improvements in or relating to washing machines |
| CN101529006A (en) * | 2006-10-31 | 2009-09-09 | 伊莱克斯家用产品股份有限公司 | Household appliance |
| CN107587313A (en) * | 2016-07-07 | 2018-01-16 | Lg电子株式会社 | Device for processing washings |
| CN110387676A (en) * | 2018-04-19 | 2019-10-29 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine equipped with damping clump weight |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201296862Y (en) * | 2008-11-07 | 2009-08-26 | 南通芯迎设计服务有限公司 | Washing machine with low noise |
| CN102182046A (en) * | 2011-05-19 | 2011-09-14 | 南京乐金熊猫电器有限公司 | Method for reducing vibration and noise of washing machine |
| CN102777535B (en) * | 2012-08-15 | 2014-11-05 | 潍柴动力股份有限公司 | Mass absorber and detection method thereof |
| CN112301657B (en) * | 2020-03-03 | 2022-03-15 | 无锡小天鹅电器有限公司 | Dynamic vibration absorption device and clothes treatment equipment |
| CN212335575U (en) * | 2020-04-08 | 2021-01-12 | 无锡小天鹅电器有限公司 | Clothes treatment equipment |
-
2020
- 2020-03-03 CN CN202010138118.6A patent/CN112301657B/en active Active
-
2021
- 2021-03-02 WO PCT/CN2021/078775 patent/WO2021175229A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800007A (en) * | 1955-08-05 | 1958-08-20 | Westinghouse Electric Int Co | Improvements in or relating to washing machines |
| CN101529006A (en) * | 2006-10-31 | 2009-09-09 | 伊莱克斯家用产品股份有限公司 | Household appliance |
| CN107587313A (en) * | 2016-07-07 | 2018-01-16 | Lg电子株式会社 | Device for processing washings |
| CN110387676A (en) * | 2018-04-19 | 2019-10-29 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine equipped with damping clump weight |
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| Publication number | Publication date |
|---|---|
| WO2021175229A1 (en) | 2021-09-10 |
| CN112301657A (en) | 2021-02-02 |
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