CN104019251A - Electric control three-way valve and washing machine with same - Google Patents
Electric control three-way valve and washing machine with same Download PDFInfo
- Publication number
- CN104019251A CN104019251A CN201310064169.9A CN201310064169A CN104019251A CN 104019251 A CN104019251 A CN 104019251A CN 201310064169 A CN201310064169 A CN 201310064169A CN 104019251 A CN104019251 A CN 104019251A
- Authority
- CN
- China
- Prior art keywords
- tee valve
- electrocontrolled tee
- washing
- circulation port
- washing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/052—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
- F16K11/0525—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves the closure members being pivoted around an essentially central axis
-
- 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
- D06F39/083—Liquid discharge or recirculation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses an electric control three-way valve and a washing machine with the same. The electric control three-way valve comprises a cavity of a triangular-prism-shaped hollow structure, three side walls of the cavity are provided with a water inlet, a water drainage port and a circulation port respectively, the included angle of the two walls where the water drainage port and the circulation port are located is provided with a rotating shaft, the rotating shaft is connected with a swing plate and is driven through a motor assembly, the motor assembly can drive the rotating shaft to rotate so that the swing plate can swing left and right, and accordingly the water inlet is communicated with the water drainage port or the circulation port. In the washing process, a draining pump is started, the water inlet of the three-way valve is communicated with the circulation port, washing powder particles or high-concentration washing agents settled at the bottom of an outer cylinder and in the draining pump are sent to a washing cylinder of the washing machine through an inner circulating pipeline, the problem that the washing agents are wasted is solved, the utilization rate of the washing agents is improved and the washing effect is improved.
Description
Technical field
The present invention relates to washing machine application, more specifically, relate to a kind of Electrocontrolled tee valve and apply the washing machine of this Electrocontrolled tee valve.
Background technique
At present, washing machine is widely used in the family, existing washing machine inflow and add the structure of washing agent, all to utilize water inlet directly a certain amount of washing agent or washing powder to be flushed in washing of drum type washing machine cylinder, add subsequently appropriate water dissolve and wash, after having washed, discharge through draining pump by the waste pipe of cylinder bottom.In use find, before washing agent dissolves completely, the washing agent of throwing in has a large amount of parts can be deposited on one section of waste pipe the inside before draining pump water intake, cause this part washing agent to be difficult to dissolved fully and utilize, can only in the time of draining, discharge with water, reduce the utilization ratio of washing agent, caused the waste of washing agent, also can increase the weight of the pollution to environment.
The patent No. is to disclose a kind of use in washing machine three-way bar water valve in 201020236381.0 specification, and its valve pocket upper end is provided with an intake pipe, and lower end is provided with two waste pipes, and three pipes are the distribution of falling Y shape.Valve pocket is disk or spherical, and valve pocket and spool are slidably matched, and has passage on spool, and the top of passage is sector channel, and lower this part is pipe-like.But described this three-way bar water valve is Manual structure, and only has principle, without specific implementation structure and practical application example, and washing machine is all full-automatic realization now, and this three-way bar water valve is difficult to be suitable for.
Summary of the invention
The object of the present invention is to provide a kind of Electrocontrolled tee valve, by being applied to existing washing machine, can effectively address the above problem.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of Electrocontrolled tee valve, comprises water intake, drain opening, circulation port, cavity volume and electric machine assembly, in described cavity volume, has been provided with rocker, and described electric machine assembly can drive rocker to vacillate now to the left, now to the right, and water intake is communicated with one of drain opening or circulation port.
As preferably, described cavity volume is triangular prism shape hollow structure, and water intake, drain opening and circulation port arrange respectively on its three sidewalls, and described drain opening and Liang Bi angle, circulation port place have rotatingshaft, on described rotatingshaft, are connected with rocker.
As preferably, described rocker comprises connection floor, and one end of described connection floor is fixedly connected on rotatingshaft, and the other end is connected with the manger board for blocking drain opening or circulation port.
As preferably, described manger board comprises plate chamber and dismountable plate core that is arranged on inside, plate chamber, on described plate core, is provided with center hole.
As preferably, on described plate core, be provided with the groove of ring-type round center hole.
As preferably, described rocker and rotatingshaft are one of the forming.
As preferably, the angle of described drain opening and circulation port place two walls is less than 90 degree.
A kind of washing machine that uses above-mentioned Electrocontrolled tee valve is provided, and the draining pump water outlet of the water intake of described Electrocontrolled tee valve and described washing machine is connected, and the circulation port of Electrocontrolled tee valve is communicated with washing of drum type washing machine cylinder by inner circulating tube; The drain opening of described Electrocontrolled tee valve connects waste pipe.
As preferably, enter the end, one end of doing washing in machine barrel at described inner circulating tube and be provided with a shower nozzle, circulating water sprays in inner tank of washing machine through described shower nozzle.
The washing machine that adopts above-mentioned Electrocontrolled tee valve as another, the water intake of described Electrocontrolled tee valve is connected with waste pipe at the bottom of laundry machine barrel; The circulation port of Electrocontrolled tee valve is communicated with washing of drum type washing machine cylinder through inner circulating tube by draining pump; The drain opening of described Electrocontrolled tee valve connects waste pipe.
Beneficial effect of the present invention is, by an Electrocontrolled tee valve is set in washing machine, utilize draining pump as scouring water recycle pump, in washing process, by opening water discharge pump and be communicated with water intake and the circulation port of three-way valve, send washing of drum type washing machine cylinder by being deposited in washing powder particle in urceolus bottom and draining pump or the washing agent of high concentration back to by inner circulating tube, solve the waste problem of washing agent, the utilization ratio that has improved washing agent, has improved washing effect; In the time that inner circulating tube end connects shower nozzle, circulating water sprays to the clothing of inner core uniformly by shower nozzle, can obtain better washing effect.Owing to driving rotatingshaft to rotate by electric machine assembly, and then rocker is vacillated now to the left, now to the right, water intake is communicated with one of drain opening or circulation port, only need an actuating motor, reduce cost of production, strengthen reliability, be conducive to connect by circuit the control system of washing machine simultaneously, realized the automation of action.The manger board of rocker comprises plate chamber and dismountable plate core that is arranged on inside, plate chamber, adds on upper plate core and is provided with center hole, so can very easily change plate core.On plate core, be provided with the groove of ring-type round center hole, can reduce the thickness of plate core, weight reduction, saves material, reduces costs.When rocker and rotatingshaft are one of the forming, can make to connect more stable.The angle of drain opening and circulation port place two walls is less than 90 degree, and this angular dimension can make the rocking tendency of rocker smaller, has reduced the time of waving, and has reduced control difficulty.
Brief description of the drawings
Fig. 1, Fig. 2 are with Electrocontrolled tee valve washing machine complete machine structure schematic diagram described in embodiment one;
Fig. 3 is the front view of Electrocontrolled tee valve described in embodiment;
Fig. 4 is the stereogram of Electrocontrolled tee valve described in embodiment;
Fig. 5 is the rear view of Electrocontrolled tee valve described in embodiment;
Fig. 6 be in Fig. 3 B-B to sectional view;
Fig. 7 be in Fig. 3 C-C to sectional view;
Fig. 8 is the structural representation of rocker described in embodiment;
Fig. 9 is the complete machine structure schematic diagram with Electrocontrolled tee valve washing machine described in embodiment two.
In figure:
1, washing machine shell; 2, Electrocontrolled tee valve; 21, drain opening; 22, circulation port; 23, water intake; 24, electric machine assembly; 25, cavity volume; 26, rocker; 27, rotatingshaft; 261, connect floor; 262, manger board; 263, plate chamber; 264, plate core; 265, center hole; 3, draining pump; 4, waste pipe; 5, inner circulating tube; 6, shower nozzle; 7, waste pipe.
Embodiment
Further illustrate technological scheme of the present invention below by embodiment.
Fig. 1, Fig. 2 are with Electrocontrolled tee valve washing machine complete machine structure schematic diagram described in embodiment one.As shown in the figure, on conventional laundry apparatus basis, after draining pump 3, an Electrocontrolled tee valve 2 is set, the drain opening 21 of Electrocontrolled tee valve 2 is connected with waste pipe 4, for the waste water after washing is discharged; The circulation port 22 of Electrocontrolled tee valve 2 is connected with inner circulating tube 5, and inner circulating tube 5, in washing machine shell 1, along the space between washing machine shell 1 and urceolus, finally enters in washing of drum type washing machine cylinder.
Fig. 3 to Fig. 8 has provided the structure composition schematic diagram of Electrocontrolled tee valve 2 in the first embodiment.Electrocontrolled tee valve 2 comprises cavity volume 25, and described cavity volume 25 is by three square sidewalls, a triangle roof and a triangular prism shape hollow structure that triangle diapire forms.On its three sidewalls, be respectively equipped with water intake 23, drain opening 21 and circulation port 22.Described drain opening 21 and circulation port 22 Liang Bi angles, place are provided with rotatingshaft 27, insert in cavity volume 25 roofs one end of rotatingshaft 27, the other end inserts in cavity volume 25 diapires, and be connected with electric machine assembly 24 output shafts by coupling, electric machine assembly 24 drives rotatingshaft 27 to rotate by the rotation of output shaft, drives rotatingshaft 27 with this.On rotatingshaft 27, be connected with rocker 26, and rocker 26 is one of the forming with rotatingshaft 261, this kind of Placement is more firm.When electric machine assembly 24 drives rotatingshaft 27 to rotate, rocker 26 is vacillated now to the left, now to the right, make water intake 23 and drain opening 21 or circulation port 22 both one of communicate.
In the present embodiment, the angle of drain opening 21 and circulation port 22 place two walls is less than 90 degree, and this angular dimension can make the rocking tendency of rocker 26 smaller, has reduced the time of waving, and has reduced control difficulty, has increased flexibility, easily controls.Certainly, described angle also can be more than or equal to 90 degree.
In the present embodiment, rocker 26 can be also two separate piece with rotatingshaft 27, links together, but be not so good as integrally formed firmly by connection set.
Rocker 26 comprises connection floor 261, and the one end that connects floor 261 is fixedly connected on rotatingshaft 27, and the other end is connected with the manger board 262 for blocking drain opening 21 or circulation port 22.Wherein connect floor 261 and manger board 262 is formed in one, this kind of structure is more firm.Wherein manger board 262 comprises plate chamber 263 and dismountable plate core 264 that is arranged on 263 inside, plate chamber, on described plate core 264, is provided with center hole 265, in the time that plate core 264 damages, can change easily plate core, has increased stock utilization.On plate core 264, be provided with the groove of ring-type round center hole 265.Can reduce the thickness of plate core, weight reduction, saves material, reduces costs.
In the present embodiment, connecting floor 261 and manger board 262 can be also two separate pieces, links together by fixing device, and this kind of Placement can combine eaily to change and connect floor 261 or manger board 262.
In the present embodiment, manger board 262 can not be also to be combined by plate chamber 263 and plate core 264, and the part that is formed in one.But the rocker 26 of this kind of structure is inconvenient to change parts.
In the present embodiment; a shower nozzle 6 is installed in inner circulating tube 5 terminations; so that spray on the clothing in cylindric washer by shower nozzle 6 being deposited in washing powder particle between outer barrel bottom waste pipe 7 and Electrocontrolled tee valve 2 or the washing agent of high concentration, can thoroughly dissolve like this washing powder or washing agent and well improve the washing effect of clothing.
Fig. 9 is the complete machine structure schematic diagram with Electrocontrolled tee valve washing machine described in embodiment two.It is that from embodiment's one difference the mounting type of Electrocontrolled tee valve 2 is different: the water intake 23 of described Electrocontrolled tee valve 2 is connected with drain opening 7 at the bottom of laundry machine barrel; The circulation port 22 of Electrocontrolled tee valve 2 is communicated with washing of drum type washing machine cylinder through inner circulating tube 5 by draining pump 3; The drain opening 21 of described Electrocontrolled tee valve 2 connects waste pipe 4.
In above-mentioned washing machine, the working principle of Electrocontrolled tee valve 2 is: when after electrical power, the left-right rotation of motor output shaft drives rotatingshaft 27 left-right rotation, and then control rocker 26 swings to the left or to the right, swing and can close drain opening 21 to the right, water intake 23 is communicated with circulation port 22, water is flowed out from circulation port 22, under the effect of draining pump 3, the scouring water in washing machine are by inner circulating tube 5 iterative cycles in washing tube.Turn left and can close circulation port 22, water intake 23 is communicated with drain opening 21, the scouring water in washing machine are directly drained by drain opening 21.As draining pump 3 does not start, maintain neither spray, the also washing state of not draining.
Concrete, in washing process, scouring water are intake after certain water level, one direct-open or intermittent opening water discharge pump 3, and start Electrocontrolled tee valve 2, by the rotation of electric machine assembly 24, controlling rocker 26 swings to the right, close drain opening 21, water intake 23 is communicated with circulation port 22, water is flowed out from circulation port 22, under the effect of draining pump 3, scouring water in washing machine are by inner circulating tube 5 iterative cycles in washing tube, can prevent that washing powder or washing agent are deposited in waste pipe 7, and fully dissolve in cyclic process, utilized completely, the scouring water of high concentration spray on the clothing in cylindric washer by the shower nozzle 6 of the circulatory system simultaneously, farthest improve the washing cleanliness of clothing.As draining pump 3 does not start, maintain neither spray, the also washing state of not draining.
Washing process finishes rear arrival drainage procedure, starts Electrocontrolled tee valve 2, by the rotation of electric machine assembly 24, controls rocker 26 and swings left, closes circulation port 22, and water intake 23 is communicated with drain opening 21, and the scouring water in washing machine are directly drained by drain opening 21.
Above-mentioned two embodiment's differences are, when washing machine drainage in embodiment one, draining pump 3 can be worked, and also can close; When washing machine drainage in embodiment 2, now draining pump 3 cuts out.
For rinse cycle, can be the same with washing process, Electrocontrolled tee valve can be opened to drain opening 21, with normal rinsing program.
Technical solutions according to the invention all can be applicable to roller washing machine or rotary drum washing machine, Electrocontrolled tee valve can be connected to the control system of washing machine by circuit, coordinate corresponding program control, to realize the automation of action.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. an Electrocontrolled tee valve, comprise water intake (23), drain opening (21), circulation port (22), cavity volume (25) and electric machine assembly (24), it is characterized in that: in described cavity volume (25), be provided with rocker (26), described electric machine assembly (24) can drive rocker (26) to vacillate now to the left, now to the right, make water intake (23) and drain opening (21) or circulation port (22) both one of communicate.
2. Electrocontrolled tee valve according to claim 1, it is characterized in that: described cavity volume (25) is triangular prism shape hollow structure, water intake (23), drain opening (21) and circulation port (22) arrange respectively on its three sidewalls, described drain opening (21) and Liang Bi angle, circulation port (22) place have rotatingshaft (27), are connected with rocker (26) on described rotatingshaft (27).
3. Electrocontrolled tee valve according to claim 2, it is characterized in that: described rocker (26) comprises connection floor (261), it is upper that one end of described connection floor (261) is fixedly connected on rotatingshaft (27), and the other end is connected with the manger board (262) for blocking drain opening (21) or circulation port (22).
4. Electrocontrolled tee valve according to claim 3, is characterized in that: described manger board (262) comprises plate chamber (263) and dismountable inner plate core (264) in plate chamber (263) that is arranged on, and is provided with center hole (265) on described plate core (264).
5. Electrocontrolled tee valve according to claim 4, is characterized in that: the upper groove that is provided with ring-type round center hole (265) of described plate core (264).
6. Electrocontrolled tee valve according to claim 2, is characterized in that: described rocker (26) is one of the forming with rotatingshaft (27).
7. Electrocontrolled tee valve according to claim 1, is characterized in that: the angle of described drain opening (21) and circulation port (22) place two walls is less than 90 degree.
8. one kind adopts the washing machine of any Electrocontrolled tee valve of claim 1 to 7, it is characterized in that: draining pump (3) water outlet of the water intake (23) of described Electrocontrolled tee valve (2) and described washing machine is connected, the circulation port (22) of Electrocontrolled tee valve (2) is communicated with washing of drum type washing machine cylinder by inner circulating tube (5); The drain opening (21) of described Electrocontrolled tee valve (3) connects waste pipe (4).
9. washing machine according to claim 8, is characterized in that: the end, one end entering in laundry machine barrel at described inner circulating tube (5) is provided with a shower nozzle (6), and circulating water sprays in inner tank of washing machine through described shower nozzle (6).
10. a washing machine that adopts any Electrocontrolled tee valve of claim 1 to 7, is characterized in that: the water intake (23) of described Electrocontrolled tee valve (2) is connected with waste pipe (7) at the bottom of laundry machine barrel; The circulation port (22) of Electrocontrolled tee valve (2) is communicated with washing of drum type washing machine cylinder through inner circulating tube (5) by draining pump (3); The drain opening (21) of described Electrocontrolled tee valve (2) connects waste pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064169.9A CN104019251B (en) | 2013-02-28 | 2013-02-28 | A kind of washing machine of Electrocontrolled tee valve and the application Electrocontrolled tee valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064169.9A CN104019251B (en) | 2013-02-28 | 2013-02-28 | A kind of washing machine of Electrocontrolled tee valve and the application Electrocontrolled tee valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019251A true CN104019251A (en) | 2014-09-03 |
| CN104019251B CN104019251B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064169.9A Active CN104019251B (en) | 2013-02-28 | 2013-02-28 | A kind of washing machine of Electrocontrolled tee valve and the application Electrocontrolled tee valve |
Country Status (1)
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| CN (1) | CN104019251B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120235A (en) * | 2016-08-30 | 2016-11-16 | 无锡小天鹅股份有限公司 | Roller washing machine |
| CN106436136A (en) * | 2016-08-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Drum-type washing machine |
| CN106436135A (en) * | 2016-08-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Roller washing machine |
| CN106811924A (en) * | 2015-11-27 | 2017-06-09 | 无锡小天鹅通用电器有限公司 | Roller washing machine |
| CN107476001A (en) * | 2017-09-07 | 2017-12-15 | 无锡小天鹅股份有限公司 | draining pump and washing machine |
| CN108315972A (en) * | 2018-04-17 | 2018-07-24 | 南京中竞科电子科技有限公司 | A kind of valve and washing machine |
| CN110273267A (en) * | 2018-03-16 | 2019-09-24 | 青岛海尔洗衣机有限公司 | Pipeline assembly and clothes treatment device comprising the pipeline assembly |
| CN110273268A (en) * | 2018-03-16 | 2019-09-24 | 青岛海尔洗衣机有限公司 | Pipeline assembly and clothes treatment device comprising the pipeline assembly |
| WO2019201117A1 (en) * | 2018-04-16 | 2019-10-24 | 青岛海尔滚筒洗衣机有限公司 | Front-loading washer and spray system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106811924A (en) * | 2015-11-27 | 2017-06-09 | 无锡小天鹅通用电器有限公司 | Roller washing machine |
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| CN107476001A (en) * | 2017-09-07 | 2017-12-15 | 无锡小天鹅股份有限公司 | draining pump and washing machine |
| CN107476001B (en) * | 2017-09-07 | 2019-10-22 | 无锡小天鹅电器有限公司 | Draining pump and washing machine |
| CN110273267A (en) * | 2018-03-16 | 2019-09-24 | 青岛海尔洗衣机有限公司 | Pipeline assembly and clothes treatment device comprising the pipeline assembly |
| CN110273268A (en) * | 2018-03-16 | 2019-09-24 | 青岛海尔洗衣机有限公司 | Pipeline assembly and clothes treatment device comprising the pipeline assembly |
| WO2019201117A1 (en) * | 2018-04-16 | 2019-10-24 | 青岛海尔滚筒洗衣机有限公司 | Front-loading washer and spray system thereof |
| CN108315972A (en) * | 2018-04-17 | 2018-07-24 | 南京中竞科电子科技有限公司 | A kind of valve and washing machine |
| CN108315972B (en) * | 2018-04-17 | 2020-07-10 | 南京中竞科电子科技有限公司 | Valve and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104019251B (en) | 2018-05-01 |
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Effective date of registration: 20160617 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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