CN104342887B - Washing machine and control method for washing - Google Patents
Washing machine and control method for washing Download PDFInfo
- Publication number
- CN104342887B CN104342887B CN201310320226.5A CN201310320226A CN104342887B CN 104342887 B CN104342887 B CN 104342887B CN 201310320226 A CN201310320226 A CN 201310320226A CN 104342887 B CN104342887 B CN 104342887B
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- filter
- primary filter
- water
- primary
- washing
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The present invention relates to a kind of washing machine and control method for washing, washing machine includes primary filter and the secondary filter connected respectively with cylindric washer, the outlet of primary filter connects with the water inlet of secondary filter, connect on primary filter and have regulation system, for accelerating to enter the speed of the current of primary filter.The present invention can either promote the clean-up performance of primary filter and secondary filter, extends its service life, additionally it is possible to promotes water purification, water saving efficiency.
Description
Technical field
The present invention relates to laundry technology, particularly relate to a kind of washing machine and control method for washing.
Background technology
Traditional washing machine no matter impeller-type or drum-type, semi-automatic or automatic washing machine, its
Washes the most directly discharges, and uses a large amount of clear water repeatedly to rinse simultaneously, and water consumption is bigger,
Use to water resource is that one is greatly wasted, to this, although proposing rinsing in prior art
Water carries out the solution filtering to recycle, but remains in it after usage due to filter
On dirt the most easy to clean, cause the problems such as filter short, Water warfare inefficient in service life.
If using reverse osmosis filter to carry out waste water purifying use, this mode needs to use high pressure
Pump, purifies and produces water speed slowly, and the water yield cannot ensure the use demand of washing machine, and cost is high simultaneously.
If using the auxiliary devices such as large-scale water treatment facilities, ozonator, electrolysis that laundry water is entered
Row purification utilization, needs to take bigger arrangement space, and cost of water treatment is higher.
Impeller machine directly uses line bits to collect filter bag, needs labor cleaning's line to consider to be worth doing；Roller machine uses draining
Pump pump head retains big the end of a thread, and this mode filter effect is poor, does not the most retain line bits.
Therefore, how can either promote cleaning water, the clean-up performance of filter can be promoted again, prolong
In its service life long, be the problem that solution is presently required.
Summary of the invention
Brief overview about the present invention given below, in order to some side about the present invention is provided
The basic comprehension in face.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It
It is not intended to determine the key of the present invention or pith, is not the model of the intended limitation present invention
Enclose.Its purpose is only to provide some concept in simplified form, more detailed in this, as discuss after a while
The thin preamble described.
The present invention provides a kind of washing machine and control method for washing, can either promote water purification, water-saving result,
The clean-up performance of filter can also be promoted, extend its service life.
On the one hand, the invention provides a kind of washing machine, including the primary mistake connected with cylindric washer respectively
Filter and secondary filter, the outlet of primary filter connects with the water inlet of secondary filter, just
Connect on level filter and have regulation system, for accelerating to enter the speed of the current of primary filter.
On the other hand, the invention provides a kind of control method for washing, including: pass sequentially through primary mistake
Filter and the secondary filter connected with primary filter are circulated filtration to the discharge water of cylindric washer,
And during circulating filtration, accelerate to enter the speed of the current of primary filter.
In the technical scheme that the present invention provides, by arranging primary filter in secondary filter front end,
Line bits can be retained in advance, it is to avoid line bits enter secondary filter and cause secondary filter dirt to block up, extend
The service life of secondary filter.Further, by arranging regulation system on primary filter, permissible
By accelerating to enter the speed of the current of primary filter, make in the case of avoiding online bits amount more
The dirt becoming primary filter is blocked up, and can reduce the water jig frequency number to primary filter, so do not result in into
Water rushes primary filter and makes the washings in cylindric washer not enough, and medicated clothing rinses incomplete problem；
It addition, in the case of online bits amount is more, can be by accelerating to enter the speed of the current of primary filter
Degree so that current form turbulent flow in primary filter, greatly reduces water and flows over to cause slowly and cause
Line bits with dirt filter surfaces formed filter cake problem, it is to avoid primary filter water yield subtracts
Little, it is ensured that the water inlet flux of secondary filter.Therefore, the such scheme of the present invention, can avoid making
Primary filter and secondary filter dirt is become to block up, it is ensured that the cleaning journey of primary filter and secondary filter
Degree, and then extend primary filter and the service life of secondary filter, it is also possible to promote water purification, joint
Water effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
The structural representation of a kind of washing machine that Fig. 1 provides for the embodiment of the present invention one；
The flow chart of a kind of control method for washing that Fig. 2 provides for the embodiment of the present invention two.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in inventive embodiments, clearly and completely retouches the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.
Element described in the accompanying drawing of the present invention or a kind of embodiment and feature can with one or
Element shown in other accompanying drawings more or embodiment and feature combine.It should be noted that, in order to
Clearly purpose, accompanying drawing and explanation eliminate unrelated to the invention, those of ordinary skill in the art
Known parts and the expression of process and description.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained on the premise of not paying creative work, broadly falls into
The scope of protection of the invention.
Embodiment one
The structural representation of a kind of washing machine that Fig. 1 provides for the embodiment of the present invention one, as it is shown in figure 1,
This washing machine includes cylindric washer 10, primary filter 11 and secondary filter 12.Primary filter
11 and secondary filter 12 be equipped with water inlet, outlet and sewage draining exit, wherein primary filter 11
Water inlet be respectively used to connect cylindric washer 10, primary filter with the outlet of secondary filter 12
The water inlet of the outlet connection secondary filter 12 of 11.
Connect on primary filter 11 and have regulation system, for accelerating to enter the current of primary filter
Speed.
The primary filter interconnected by setting and connect with cylindric washer respectively and secondary filter,
Form circulated filter system, with in washing, discharge water to cylindric washer carries out two-stage and follows in rinsing process
Ring filters, and wherein primary filter 11 can be used for retaining line bits, larger particles as coarse filter
In dirt, secondary filter 12 can be used for filtering smaller particle, solubility dirt as fine filter
Dirt etc..
Above-mentioned secondary filter 12 concretely hyperfiltration membrane assembly.
By arranging primary filter in secondary filter front end, line bits can be retained in advance, it is to avoid line
The secondary filter that enters bits causes the service life that secondary filter dirt is stifled, extend secondary filter.And
And, by arranging regulation system on primary filter, can be by accelerating entrance primary filter
The speed of current, causes the dirt of primary filter to block up, can subtract in the case of avoiding online bits amount more
Few water jig frequency number to primary filter, and then do not result in and make washing in order to water rushes primary filter
Washings in Tong are not enough, and medicated clothing rinses incomplete problem；It addition, the situation that online bits amount is more
Under, can be by accelerating to enter the speed of the current of primary filter so that current are at primary filter
Middle formation turbulent flow, greatly reduce water flow over cause slowly cause line bits with dirt at filter surfaces
The problem forming filter cake, it is to avoid primary filter water yield reduces, it is ensured that the water inlet of secondary filter is led to
Amount.Therefore, the such scheme of the present invention, can avoid causing primary filter and secondary filter dirty
Stifled, it is ensured that primary filter and the clean-up performance of secondary filter, and then extend primary filter with secondary
The service life of level filter, it is also possible to promote water purification, water-saving result.
Above-mentioned regulation system specifically comprises the steps that for by from the outlet outflow of primary filter 11
Part current lead back the reflux pipe 13 of the water inlet to primary filter 11.
By the water outlet of primary filter 11 is shunted, accelerate to enter the water of primary filter 11
The speed of stream, and then form turbulent flow, it is to avoid in primary filter, form filter cake.
Alternatively, the water inlet of secondary filter 12 connects has the first water pump 14, with primary filter
The outlet connection of 11, for being evacuated to secondary filter by the water outlet of primary filter 11, it is ensured that secondary
The inflow of level filter.
Further, it is provided with and cylindric washer between the water inlet of reflux pipe 13 and primary filter 11
Second water pump 15 of 10 connections, for being evacuated to primary filter by discharge water and the recirculation water of cylindric washer
The water inlet of 11, the power of the second water pump 15 is less than the first water pump 14, to avoid primary filter
The water outlet of 11 is back to its water inlet too much, is further ensured that the inflow of secondary filter 12.
Alternatively, reflux pipe 13 is provided with check valve F1, by the control to check valve F1,
It is achieved that such as, open check valve F1 in the case of only online bits amount is more so that primary mistake
The water outlet of filter 11 shunts back its water inlet, in the speed of the current without regulating primary filter 11
In the case of, check valve F1 can be closed.
In the present embodiment, primary filter 11 is used to connect with the sewage draining exit of secondary filter 12 and washes
The discharge outlet of clothing machine, specifically, the discharge outlet of washing machine connects three-way valve F2, three-way valve F2's
Two ports are respectively communicated with primary filter 11 and the sewage draining exit of secondary filter 12.By controlling three
Logical valve F2, can make the discharge outlet of washing machine and the sewage draining exit of primary filter or the row of secondary filter
Dirty mouth connection, thus will be clear after utilizing the discharge water of cylindric washer to rinse primary filter or secondary filter
Wash and discharge washing machine with sewage.
Alternatively, primary filter and secondary filter further respectively have connection air transporting arrangement 16
Air inlet.Air transporting arrangement 16 concretely air pump, in washing primary filter or secondary mistake
Before filter, air transporting arrangement 16 can be passed through, timesharing or simultaneously to primary filter and secondary mistake
Filter conveying gas, through primary filter or secondary filter air inlet enter gas can be to primary
The filter element generation effect of vibration of filter or secondary filter, thus the residual pitching or dispelling on filter element
Thing, the residue after pitching or dispelling is easier to be washed away by current when washing, contributes to promoting
The cleannes of filter.
Alternatively, the water inlet of primary filter 11 connects valve F3, primary filter 11
Outlet connects valve F4.
Below by citing, the work process of the washing machine of the present invention is illustrated.As it is shown in figure 1,
Cylindric washer 10 is additionally provided with turbidity transducer 17, the turbidity of water in detecting cylindric washer.
When washing machine enters rinsing process, open valve F8 and in cylindric washer 10, enter rinsing with clear
Water.
After performing once rinsing flow process, it is judged that whether the turbidity of the washings in cylindric washer 10 reaches pre-
If threshold value；If it is, close valve F4, Open valve F5, control three-way valve F2 and make primary mistake
The sewage draining exit of filter 11 connects with washing machine drainage mouth, closes the first water pump 14, opens the second water pump
15, make washings discharge washing machine through the sewage draining exit of primary filter 11；If it does not, perform circulation
Washing, Open valve F3, F4 and check valve F1, close valve F5 and three-way valve F2, open the
One water pump 14 and the second water pump 15, the discharge water of cylindric washer 10 enters primary mistake through the second water pump 15
Filter 11, becomes two-way through the moisture of primary filter, and a road enters reflux pipe 13, another Lu Jing
One water pump 14 enters secondary filter, and the Water Sproading after secondary filter, to cylindric washer 10, so enters
Row circulation rinsing.
After circulation rinsing terminates, respectively primary filter 11 and secondary filter 12 are carried out.
Can first simultaneously or timesharing carries out air purge, air purge primary mistake to primary filter and secondary filter
During filter 11, Open valve F3, closes valve F4, F5, opens air transporting arrangement 16；Gas
When washing secondary filter 12, control three-way valve F2 and make sewage draining exit and the washing machine drainage of secondary filter
Mouth connection, closes valve F4 and F5, opens air transporting arrangement 16.
After air purge certain time, close valve F6 and F7, first primary filter 11 be rinsed,
Close valve F3 and F4, Open valve F5, control three-way valve F2 and make the row of primary filter 11
Dirty mouth connects with washing machine drainage mouth, and the water in primary filter 11 passes through under gas pressure effect
Its sewage draining exit, valve F5 and three-way valve F2 discharge washing machine.
Primary filter 11 rinses complete, and valve F5 closes, and is carried out secondary filter 12.
Controlling three-way valve F2 makes the sewage draining exit of secondary filter 12 connect with washing machine drainage mouth, Open valve
F3, F4, the water in cylindric washer enters through the first water pump 14, primary filter the 11, second water pump 15
Entering secondary filter to be carried out, cleaning sullage discharges washing machine through the sewage draining exit of secondary filter 12.
Above-mentioned control flow also apply be applicable to circulate in washing procedure, and principle is similar with rinsing process, no
Repeat again.
Embodiment two
The flow chart of a kind of control method for washing that Fig. 2 provides for the embodiment of the present invention two, this laundry control
The washing machine that method processed can be applicable to the embodiment of the present invention one and provides washs or rinsing to be circulated, with
As a example by circulation washings, the method includes:
Step S21: pass sequentially through primary filter assembly 11 and connect with primary filter 11 time
Level filter 12 is circulated filtration to the discharge water of cylindric washer.In this step, washings are through primary mistake
Flow to the water inlet of secondary filter from the outlet of primary filter after filter, and through secondary filter
Outlet is recycled to cylindric washer and is circulated rinsing.
Step S22: accelerate to enter the speed of the current of primary filter, this step can perform step
Carry out during S21.
Line bits are retained in advance, it is to avoid line bits enter secondary filter and cause secondary mistake by primary filter
Filter dirt is stifled, extend the service life of secondary filter.Further, by accelerating entrance primary filter
The speed of current, cause the dirt of primary filter to block up in the case of avoiding online bits amount more, can
Reduce water jig frequency number to primary filter, and then do not result in and make to wash in order to water rushes primary filter
Washing the washings in cylinder not enough, medicated clothing rinses incomplete problem；It addition, the feelings that online bits amount is more
Under condition, can be by accelerating to enter the speed of the current of primary filter so that current are at primary filter
In device formed turbulent flow, greatly reduce water flow over cause slowly cause line bits with dirt at filter table
The problem that face forms filter cake, it is to avoid primary filter water yield reduces, it is ensured that the water inlet of secondary filter
Flux.Therefore, the such scheme of the present invention, can avoid causing primary filter and secondary filter
Dirty stifled, it is ensured that primary filter and the clean-up performance of secondary filter, so extend primary filter and
The service life of secondary filter, it is also possible to promote water purification, water-saving result.
Step S22 specifically can be by increasing the water intake velocity of primary filter 11 so that enters primary
The speed of the described current in filter increases so that enters the water in primary filter and forms turbulent flow,
Avoid being formed filter cake in filter, in a kind of embodiment, will be from primary by reflux pipe 13
Filter 11 flows to the part current of secondary filter and leads back the water inlet of primary filter, to increase
The water intake velocity of primary filter 11 so that the water entering primary filter forms turbulent flow.
Alternatively, in step S21, discharge water to cylindric washer is circulated filtration and includes: by connecting
The first water pump 14 between the outlet and the water inlet of secondary filter of primary filter, extraction
It is also processed by least part of water of flowing out from the outlet of primary filter 11 through secondary filter 12
After be back to described cylindric washer 10, it is ensured that the inflow of secondary filter 12.
Further, the part current flowing to secondary filter from primary filter are led back primary filter
Water inlet, including:
It is drawn from primary filter 11 by described second water pump 15 and flows to the portion of secondary filter 12
Dividing water and be back to the water inlet of described secondary filter 12, the power of the second water pump 15 is less than
First water pump 14, to avoid the water outlet of primary filter 11 to be back to its water inlet too much, enters one
Step ensures the inflow of secondary filter 12.
Alternatively, also include after step S22: to primary filter 11 and/or secondary filter 12
Conveying gas, in this step, can timesharing or the most defeated to primary filter 11 and secondary filter 12
Supply gas body.The gas entered through the air inlet of primary filter or secondary filter can be to primary filter
Or the filter element generation effect of vibration of secondary filter, thus the residue pitching or dispelling on filter element, warp
Residue after pitching or dispelling is easier to be washed away by current when washing, contributes to promoting filter
Cleannes.
Alternatively, gas also includes after rushing primary filter and/or secondary filter:
Control the water in primary filter 11 and discharge washing machine to rinse primary filter；This step exists
Perform after gas punching, under the pressure effect of gas, the water in primary filter 11 can be discharged and wash
Clothing machine is washed.
Or,
The discharge water controlling cylindric washer enters secondary filter 12 through primary filter 11 and rinses secondary
After filter, discharge washing machine through secondary filter.
In the various embodiments described above of the present invention, the sequence number of embodiment and/or sequencing are merely convenient of to be retouched
State, do not represent the quality of embodiment.Description to each embodiment all emphasizes particularly on different fields, certain embodiment
In do not have describe in detail part, may refer to the associated description of other embodiments.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Suddenly can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer
In read/write memory medium, this program upon execution, performs to include the step of said method embodiment；
And aforesaid storage medium includes: read only memory (Read-Only Memory is called for short ROM),
Random access memory (Random Access Memory is called for short RAM), magnetic disc or CD
Etc. the various media that can store program code.
In the embodiments such as apparatus and method of the present invention, it is clear that each parts or each step are to divide
Solve, combine and/or decompose after reconfigure.These decompose and/or reconfigure and should be regarded as the present invention
Equivalents.Meanwhile, in description to the specific embodiment of the invention above, implement for one
Mode describes and/or the feature that illustrates can be in same or similar mode one or more other
Embodiment uses, combined with the feature in other embodiment, or substitute other embodiment
In feature.
It should be emphasized that term " include/comprise " referring to when using herein feature, key element, step or
The existence of assembly, but it is not precluded from depositing of one or more further feature, key element, step or assembly
Or additional.
Last it is noted that although the present invention and advantage thereof have been described in detail above, but should
When understanding in the situation without departing from the spirit and scope of the present invention being defined by the claims appended hereto
Under can carry out various change, substitute and convert.And, the scope of the present invention is not limited only to description
Described process, equipment, means, the specific embodiment of method and steps.Common in this area
Technical staff will readily appreciate that from the disclosure, according to the present invention can use execution with
Function that this described corresponding embodiment is essentially identical or obtain the result essentially identical with it, show
Have and process, equipment, means, method or step the most to be developed.Therefore, appended power
Profit requires to be directed in the range of them including such process, equipment, means, method or step.
Claims (8)
1. a washing machine, it is characterised in that include the primary filter connected respectively with cylindric washer
And secondary filter, the outlet of primary filter connects with the water inlet of secondary filter, primary mistake
Connect on filter and have regulation system, for accelerating to enter the speed of the current of primary filter；Described tune
Joint system includes: for leading back the part current flowed out from primary filter outlet to primary filter
The reflux pipe of device water inlet.
Washing machine the most according to claim 1, it is characterised in that described secondary filter
Water inlet connects the first water pump having the outlet with primary filter to connect.
Washing machine the most according to claim 2, it is characterised in that described reflux pipe is with just
Being provided with, between the water inlet of level filter, the second water pump connected with cylindric washer, the power of the second water pump is little
In the first water pump.
Washing machine the most according to claim 1, it is characterised in that set on described reflux pipe
There is check valve.
5. a control method for washing, it is characterised in that including:
Pass sequentially through primary filter and the secondary filter that connects with primary filter to cylindric washer
Discharge water and be circulated filtration, and quickening enters the current of primary filter during circulating filtration
Speed；The described speed accelerating to enter the current of primary filter specifically includes:
The part current flowing to secondary filter from primary filter are led back entering to primary filter
The mouth of a river.
Control method for washing the most according to claim 5, it is characterised in that at the beginning of increasing
The water intake velocity of level filter so that the speed entering the described current in primary filter increases.
Control method for washing the most according to claim 5, it is characterised in that described to washing
The discharge water of cylinder is circulated filtration and includes:
By be connected between the outlet of primary filter and the water inlet of secondary filter first
Water pump, is drawn from least part of water of the outlet outflow of primary filter and by it through secondary filter
Described cylindric washer it is back to after process.
Control method for washing the most according to claim 7, it is characterised in that described will be from just
Level filter flows to the part current of secondary filter and leads back the water inlet to primary filter, including:
It is drawn from primary filter by the second water pump and flows to the part water of secondary filter and by its time
Flowing to the water inlet of described secondary filter, wherein the power of the second water pump is less than the first water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320226.5A CN104342887B (en) | 2013-07-26 | 2013-07-26 | Washing machine and control method for washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320226.5A CN104342887B (en) | 2013-07-26 | 2013-07-26 | Washing machine and control method for washing |
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| Publication Number | Publication Date |
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| CN104342887A CN104342887A (en) | 2015-02-11 |
| CN104342887B true CN104342887B (en) | 2016-08-10 |
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| CN201310320226.5A Active CN104342887B (en) | 2013-07-26 | 2013-07-26 | Washing machine and control method for washing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105442274B (en) * | 2014-09-22 | 2019-02-19 | 青岛海尔智能技术研发有限公司 | Washing machine |
| CN106149280B (en) * | 2015-03-30 | 2020-05-05 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448862Y (en) * | 2000-04-07 | 2001-09-19 | 张建民 | Water-saving washing machine |
| EP2455533A1 (en) * | 2010-11-22 | 2012-05-23 | Electrolux Home Products Corporation N.V. | Method of operating a washing machine and washing machine |
| CN103119212A (en) * | 2010-09-13 | 2013-05-22 | Lg电子株式会社 | Method for washing and washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5323946A (en) * | 1992-10-19 | 1994-06-28 | Emhart Inc. | Blind rivet setting tool |
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2013
- 2013-07-26 CN CN201310320226.5A patent/CN104342887B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448862Y (en) * | 2000-04-07 | 2001-09-19 | 张建民 | Water-saving washing machine |
| CN103119212A (en) * | 2010-09-13 | 2013-05-22 | Lg电子株式会社 | Method for washing and washing machine |
| EP2455533A1 (en) * | 2010-11-22 | 2012-05-23 | Electrolux Home Products Corporation N.V. | Method of operating a washing machine and washing machine |
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