CN111793938A - Prevent waterway structure and washing machine water installations that disperse - Google Patents
Prevent waterway structure and washing machine water installations that disperse Download PDFInfo
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- CN111793938A CN111793938A CN201910274872.XA CN201910274872A CN111793938A CN 111793938 A CN111793938 A CN 111793938A CN 201910274872 A CN201910274872 A CN 201910274872A CN 111793938 A CN111793938 A CN 111793938A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000005406 washing Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title description 2
- 238000005452 bending Methods 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 description 9
- 239000000654 additive Substances 0.000 description 6
- 239000003599 detergent Substances 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention relates to an anti-divergence waterway structure, which comprises: a flow channel for providing a flow space for the water flow; the runner is provided with at least one bend for changing the flow direction of water flow, a flow guide rib is arranged between the bend and the water outlet of the runner, and the water flow at the bend is guided to swirl to spray towards the axial direction of the water outlet under the action of the flow guide rib. Through the arrangement, the flow channel with the bending function can correct the flow direction of the flow channel under the action of the flow guide ribs, and further the purpose of guiding the water flow vortex at the bending part of the flow channel and avoiding the water outflow divergence of the flow channel is achieved. The invention also relates to a water inlet structure of the washing machine, which comprises at least one water inlet flow channel, wherein the water channel structure is arranged on the water inlet flow channel, and the flow channel of the water channel structure sprays the inlet water flow into the corresponding washing flow channel from the water outlet.
Description
Technical Field
The invention belongs to the technical field of washing machines, particularly relates to a washing machine water inlet device, and particularly relates to a divergence-preventing waterway structure applied to the washing machine water inlet device.
Background
The water inlet device of the existing washing machine comprises a waterway component and a waterway cover plate which is covered on the waterway component; because of the variety of detergent additives used in washing machines, the washing water flow parameters corresponding to different detergent additives are different. Therefore, a plurality of water paths are required to be arranged on the water path assembly to correspondingly flush the detergent additives put into different chambers respectively, so as to flush the detergent additives in the corresponding chambers into the water containing barrel of the washing machine, and then the flushed detergent additives are used for treating clothes in the washing machine.
The water channel assembly of the existing washing machine can not be bent on a water channel in order to ensure the smoothness of water outlet and avoid the generation of water flow vortex, so that the smoothness of water flow is ensured, and the water flow flowing out of the water channel is prevented from dispersing and causing the dispersed water flow to flow into other flushing flow channels.
However, due to the size limitation of the whole washing machine, the water path is sometimes bent in the vertical direction and/or the horizontal direction, so that the water inlet and outlet of the water inlet device of the washing machine can be communicated, and thus, the bent part of the flow channel generates water flow vortex to cause water outlet dispersion. Particularly, the water outlet divergence phenomenon caused by the bending arranged at the position of the water channel close to the water outlet is particularly obvious.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine and a control method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that:
an anti-divergence waterway structure, comprising: a flow channel for providing a flow space for the water flow; the runner is provided with at least one bend for changing the flow direction of water flow, a flow guide rib is arranged between the bend and the water outlet of the runner, and the water flow at the bend is guided to swirl to spray towards the axial direction of the water outlet under the action of the flow guide rib.
Furthermore, the first flow guide rib is arranged in the bent downstream flow channel, and divides the flow channel into a left branch flow channel and a right branch flow channel which are parallel.
Furthermore, the first flow guiding rib extends along the axial direction of the water outlet of the flow passage, is positioned at the center of the bottom of the flow passage and extends upwards for a certain height so as to guide the water flow at the bending position to flow into a branch flow passage in a vortex mode.
Further, the flow channel at the upstream of the bending part horizontally extends towards the left side or the right side, and the flow channel at the downstream of the bending part horizontally extends towards the front right side or the front left side; and the flow channel at the upstream of the bending part is positioned in the lower height surface relative to the flow channel at the downstream of the bending part, and the first flow guide rib is positioned in the flow channel at the downstream of the bending part and extends along the axial direction of the flow channel so as to divide the flow channel into a first branch flow channel and a second branch flow channel which are parallel to each other.
Furthermore, the first diversion rib extends into the bending part of the runner, and the first diversion rib extends into a certain gap between the bent end part and the inner wall of the runner at intervals, so that the inflow bent water flow vortex can pass through the gap and flow into the first branch runner on one side far away from the upstream runner under the limiting action of the first diversion rib.
Furthermore, the second flow guiding rib is positioned on the side wall of the bending downstream branch flow channel and protrudes radially towards the center of the flow channel so as to reduce the width of any branch flow channel at the bending downstream.
Furthermore, the second water conservancy diversion muscle is in on keeping away from one side inner wall of bending the upper reaches runner, and the second water conservancy diversion muscle is from the runner inner wall to the protruding extension of first water conservancy diversion muscle direction to the width of the first branch runner of keeping away from the bending upper reaches runner is reduced.
Furthermore, the water outlet covers the outlet end of the first branch flow channel, so that the water flowing out of the first branch flow channel is sprayed out from the channel water outlet.
The invention also discloses a washing machine water inlet structure, which comprises at least one water inlet flow channel, wherein the water inlet flow channel is provided with any one of the waterway structures, and the flow channel of the waterway structure sprays the inlet water flow into the corresponding washing flow channel from the water outlet.
Furthermore, a plurality of flow channels which are arranged in a staggered mode at a certain angle are included, and the axes of the water outlets of the flow channels are staggered at a certain angle so as to spray the water flow sprayed out of each flow channel into the corresponding washing flow channel; the first branch flow channel for spraying water flow in each flow channel is arranged on the side close to the other flow channel.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
through the arrangement, the flow channel with the bending function can correct the flow direction of the flow channel under the action of the flow guide ribs, and further the purpose of guiding the water flow vortex at the bending part of the flow channel and avoiding the water outflow divergence of the flow channel is achieved.
Through set up second water conservancy diversion muscle in the runner to the radial width of bending downstream play water branch runner reduces, and then realizes promoting the play water velocity of flow, reduces the showing technological progress that the play water disperses.
Through the arrangement, the water channel of the water inlet structure of the washing machine can be bent in an L shape with the height difference, smooth flowing of water flow can be still achieved, and the situation that water flows diverge and then cross each other between the water channels due to backflow vortex in the flow channel is avoided.
Meanwhile, the invention has simple structure and obvious effect and is suitable for popularization and use.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural diagram of a water inlet device of a washing machine according to an embodiment of the present invention;
FIG. 2 is a partial schematic structural diagram of the embodiment of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 1 according to an embodiment of the present invention.
The figure is marked with: 1. a flow channel; 2. a flow guiding rib; 3. flushing the flow channel; 10. a water outlet; 11. bending; 12. bending the upstream flow channel; 13. bending a downstream flow channel; 14. a first branch flow channel; 15. a second branch flow channel; 21. a first flow guiding rib; 22. a second flow guiding rib; 31. a third flushing flow passage.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 3, the present embodiment introduces an anti-divergence waterway structure, including: a flow channel 1 for providing a flow space for water flow; the runner 1 is provided with at least one bend 11 for changing the flow direction of water flow, and a flow guide rib 2 is arranged between the bend 11 and the water outlet 10 of the runner 1 so as to guide the water flow at the bend 11 to swirl and spray towards the axial direction of the water outlet 10 under the action of the flow guide rib 2.
Through the arrangement, the flow channel with the bending function can correct the flow direction of the flow channel under the action of the flow guide ribs, and further the purpose of guiding the water flow vortex at the bending part of the flow channel and avoiding the water outflow divergence of the flow channel is achieved.
In this embodiment, the first flow guiding rib 21 is disposed in the bent downstream flow channel 13, the first flow guiding rib 21 divides the interior of the flow channel 1 into two left and right branch flow channels which are parallel to each other, and under the turbulent flow effect of the first flow guiding rib 21, all or most of the water flow flowing out from the bent portion 11 flows into one of the branch flow channels, so that the water flow in the flow channel 1 is converged and flows into the selected branch flow channel under the effect of the first flow guiding rib 21, and the purpose of converging the water flow in the flow channel 1 is achieved.
In this embodiment, the first flow guiding rib 21 extends along the axial direction of the water outlet 10 of the flow channel 1, and the first flow guiding rib 21 is located at the center of the bottom of the flow channel 1 and extends upward by a certain height, so as to divide the bent downstream flow channel 13 into a first branch flow channel 14 and a second branch flow channel 15 which are arranged in parallel along the axial direction of the water outlet 10.
In this embodiment, the flow channel 12 at the upstream of the bend extends horizontally towards the left side or the right side, and the flow channel 13 at the downstream of the bend extends towards the front right side or the front left side, so that the flow channel 13 at the downstream of the bend extends towards the side away from the bend 11 into which the inlet water flows in an inclined manner; and the flow channel 12 at the upstream of the bend is positioned in the lower height surface relative to the flow channel 13 at the downstream of the bend, so that the water flowing into the bend 11 can enter the flow channel 13 at the downstream of the bend after flowing upwards. The first flow guiding rib 21 is disposed in the bent downstream flow passage 13 and extends along the axial direction of the flow passage 1 to divide the flow passage 1 into a first branch flow passage 14 and a second branch flow passage 15 which are parallel to each other. The first branch flow channel 14 is far away from the inflow direction of the inlet water flow at the bent part 11 relative to the second branch flow channel 15, so that when the water flow flowing into the bent part 11 flows upwards under the limiting action of the side wall of the flow channel 1 and is interfered by the top surface of the flow channel 1 to generate vortex, the first flow guide rib 21 interferes with the vortex of the water flow to guide the water flow to flow into the first branch flow channel 14.
In this embodiment, the first flow guiding rib 21 extends into the bend 11 of the flow channel, and the first flow guiding rib 21 extends into a gap between the end of the bend 11 and the inner wall of the flow channel 1, so that the vortex of the water flowing into the bend 11 can pass through the gap and flow into the first branch flow channel 14 on the side of the upstream flow channel 12 far away from the bend under the limiting action of the first flow guiding rib 21.
In this embodiment, the water outlet 10 covers the outlet end of the first branch flow channel 14, so that the water flowing out of the first branch flow channel 14 is jetted out from the channel water outlet 10. Meanwhile, the axial direction of the water outlet 10 is parallel to the extending direction of the first flow guiding rib 11, so that water flow can be axially sprayed out from the water outlet 10 without interference and can not be dispersed all around.
Example two
As shown in fig. 1 to fig. 3, the present embodiment further has an additional technical feature that, in order to increase the flow rate of the outlet water and reduce the water flow divergence, a second flow guiding rib 22 protruding radially to change the width of the flow passage is provided in the first branch flow passage 14. Through setting up the second water conservancy diversion muscle to realize reducing the radial width of the low reaches of bending play water branch flow path, promote out the velocity of water flow, reduce the apparent technological progress that the play water disperses.
In this embodiment, the second flow guiding rib 22 is located on the sidewall of the bent downstream flow channel 13 and protrudes radially toward the center of the flow channel 1, so as to reduce the width of the bent downstream first branch flow channel 14.
In this embodiment, the second flow guiding rib 22 is located on the inner wall of one side far away from the bending upstream flow channel 12, and the second flow guiding rib 22 protrudes and extends from the inner wall of the flow channel 1 to the direction of the first flow guiding rib 21, so as to reduce the width of the first branch flow channel 14 far away from the bending upstream flow channel 12.
In this embodiment, the upper and lower ends of the second flow guiding rib 22 respectively extend to the upper and lower inner walls of the flow channel 1 to correspondingly cover the partial area of the corresponding cross section of the first branch flow channel 14, so that the water flowing through the first branch flow channel 14 is lifted outwards by the second flow guiding rib 22 with reduced radial width to increase the spraying speed and reduce the water discharge divergence.
Preferably, the water outlet 10 of the flow channel 1 covers at least the gap between the second flow guiding rib 22 and the first flow guiding rib 21, so as to ensure that the jet water flow flowing out from the gap can be totally jetted out from the water outlet 10, thereby further reducing the water flow divergence.
EXAMPLE III
As shown in fig. 1 to 3, the present embodiment describes a water inlet device for a washing machine, which includes at least one water inlet channel, the water inlet channel is provided with a waterway structure as described in the above embodiments, and the channel 1 of the waterway structure sprays the inlet water from the water outlet 10 into the corresponding washing channel 3.
In this embodiment, the water inlet device of the washing machine includes two flow channels 1 arranged in a staggered manner at a certain angle, and the axes of the water outlets 10 of the two flow channels 1 are staggered at a certain angle. The downstream of each of the two channels 1 is provided with a flushing channel 3 which is coaxially arranged relatively, and the inlets of the flushing channels 3 are respectively arranged towards the water outlets 10 of the corresponding channels 1, so that the water flow sprayed from the water outlets 10 of the channels is sprayed into the corresponding flushing channels 3. The outlets of the washing flow passages 3 are respectively communicated with different washing additive feeding cavities to wash and add the laundry detergent, the washing powder, the softener, the fragrance adding agent, the disinfectant and the like in the corresponding cavities.
In the present embodiment, the branch flow passages adjacent to each other in the other flow passage 1 in each flow passage 1 constitute the first branch flow passage 14 in the corresponding flow passage from which the supply water is discharged.
In this embodiment, a third flushing channel 31 is further disposed in the middle of the two flushing channels 3, so that when the water outlets 10 of the two channels 1 simultaneously discharge water, the water flows simultaneously discharge water interfere with each other, and the interfered water flows directly flow into the third flushing channel 31.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An anti-divergence waterway structure, comprising: a flow channel for providing a flow space for the water flow; the runner is provided with at least one bend for changing the flow direction of water flow, a flow guide rib is arranged between the bend and the water outlet of the runner, and the water flow at the bend is guided to swirl to spray towards the axial direction of the water outlet under the action of the flow guide rib.
2. The anti-divergence waterway structure of claim 1, wherein the first diversion rib is disposed in the bent downstream flow channel, and the first diversion rib divides the inside of the flow channel into a left branch flow channel and a right branch flow channel which are parallel to each other.
3. The anti-divergence waterway structure of claim 2, wherein the first flow guiding rib extends along the axial direction of the water outlet of the flow channel, and the first flow guiding rib is located at the center of the bottom of the flow channel and extends upwards for a certain height so as to guide the water flow at the bent position to swirl and flow into the branch flow channel.
4. The anti-divergence waterway structure of claim 3, wherein the flow channel upstream of the bend extends horizontally towards the left side or the right side, and the flow channel downstream of the bend extends towards the front right side or the front left side; and the flow channel at the upstream of the bending part is positioned in the lower height surface relative to the flow channel at the downstream of the bending part, and the first flow guide rib is positioned in the flow channel at the downstream of the bending part and extends along the axial direction of the flow channel so as to divide the flow channel into a first branch flow channel and a second branch flow channel which are parallel to each other.
5. The anti-divergence waterway structure of any one of claims 2 to 4, wherein the first diversion rib extends into the bent portion of the flow channel, and the end portion of the first diversion rib extending into the bent portion is spaced from the inner wall of the flow channel by a gap, so that the vortex of the water flowing into the bent portion can pass through the gap and flow into the first branch flow channel on the side away from the upstream flow channel under the restriction of the first diversion rib.
6. The anti-divergence waterway structure of any one of claims 2-5, wherein the second flow guiding ribs are located on the side walls of the downstream branch flow passages and protrude radially toward the center of the flow passages to reduce the width of any one of the downstream branch flow passages.
7. The anti-divergence waterway structure of claim 6, wherein the second diversion rib is disposed on an inner wall of a side away from the bent upstream runner, and the second diversion rib protrudes and extends from the inner wall of the runner toward the first diversion rib to reduce a width of the first branch runner away from the bent upstream runner.
8. The anti-divergence waterway structure of claim 5, wherein the outlet covers an outlet end of the first branch flow channel, so that the water flowing out of the first branch flow channel is jetted out from the outlet of the first branch flow channel.
9. A water inlet structure of a washing machine comprises at least one water inlet channel, the water inlet channel is provided with the waterway structure of any one of claims 1 to 8, and the channel of the waterway structure sprays inlet water flow into a corresponding washing channel from a water outlet.
10. A washing machine water inlet device according to claim 9, characterized by comprising a plurality of flow passages arranged at an angle with respect to each other, the outlet axes of the flow passages being at an angle with respect to each other to spray the respective water streams into the corresponding washing flow passages; the first branch flow channel for spraying water flow in each flow channel is arranged on the side close to the other flow channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274872.XA CN111793938B (en) | 2019-04-08 | 2019-04-08 | Prevent waterway structure and washing machine water installations that disperse |
| PCT/CN2020/082989 WO2020207323A1 (en) | 2019-04-08 | 2020-04-02 | Anti-dispersing water passage structure, and water intake apparatus of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274872.XA CN111793938B (en) | 2019-04-08 | 2019-04-08 | Prevent waterway structure and washing machine water installations that disperse |
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| Publication Number | Publication Date |
|---|---|
| CN111793938A true CN111793938A (en) | 2020-10-20 |
| CN111793938B CN111793938B (en) | 2022-07-19 |
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| CN201910274872.XA Active CN111793938B (en) | 2019-04-08 | 2019-04-08 | Prevent waterway structure and washing machine water installations that disperse |
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| CN (1) | CN111793938B (en) |
| WO (1) | WO2020207323A1 (en) |
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| CN112323414A (en) * | 2020-11-20 | 2021-02-05 | 珠海格力电器股份有限公司 | Water inlet box |
| WO2023020183A1 (en) * | 2021-08-16 | 2023-02-23 | 重庆海尔洗衣机有限公司 | Addition module and clothing treatment apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323414A (en) * | 2020-11-20 | 2021-02-05 | 珠海格力电器股份有限公司 | Water inlet box |
| CN112323414B (en) * | 2020-11-20 | 2023-10-27 | 珠海格力电器股份有限公司 | Water inlet box |
| WO2023020183A1 (en) * | 2021-08-16 | 2023-02-23 | 重庆海尔洗衣机有限公司 | Addition module and clothing treatment apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111793938B (en) | 2022-07-19 |
| WO2020207323A1 (en) | 2020-10-15 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220623 Address after: 400026 No.303, Block E, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier Front-loading Washing Machine Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: Haier Smart Home Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |