CN1683886A - Water purifying method for refrigerator and refrigerator with said device - Google Patents
Water purifying method for refrigerator and refrigerator with said device Download PDFInfo
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- CN1683886A CN1683886A CN 200410018913 CN200410018913A CN1683886A CN 1683886 A CN1683886 A CN 1683886A CN 200410018913 CN200410018913 CN 200410018913 CN 200410018913 A CN200410018913 A CN 200410018913A CN 1683886 A CN1683886 A CN 1683886A
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Abstract
The water purifier consists of the first filter and the second filter. The first filter has casing with inlet and outlet and filtering part to filter out scale component from water; and the second filter has casing with inlet and outlet and filtering part of active carbon inside the casing. Both the first filter and the second filter are set on one side inside the cold storage chamber and are detachable. The water purifier has high filtering efficiency and can raise the purity of tap water to the standard of drinking water.
Description
Technical field
The invention relates to refrigerator, particularly be a kind of refrigerator purifier and the refrigerator that utilizes this device.In more detail, refrigerator purifier provided by the invention produces calcareous foreign matter by filtering, and tap water is filtered into drinkable degree.
Background technology
At first with reference to Fig. 1, the refrigerator feedwater structure under the conventional art describes.As shown in the figure, be cleaned after the water of the first-class water-supply source Ws supply of the fire hose flows to purifier 12 by pipeline Pa.Water after the purification flows to valve 14 by pipeline Pb.Valve 14 is located in the mechanical(superphosphate)den of bottom, the refrigerator back side usually.Valve 14 can be supplied to the water of pipeline Pb supply the both sides of ice maker 22 and divider 20.Therefore the purifier that is provided with between pipeline Pa, the Pb can only be located at the back side of refrigerator main body.
One side of valve 14 supplies water to ice maker 22 by pipeline Pc, and opposite side supplies water to water pot 16 by pipeline Pd.Depositing a certain amount of water in the water pot 16, these water are supplied to divider 20 by pipeline Pe always.
Divider 20 is located at the front of door 18 (such as door of refrigerator).By divider, the user can take out the water in the refrigerator water pot 16 under 18 the situation of not opening the door.
In the traditional structure, refrigerator private water supply path pipeline Pa, Pb is provided with purifier 12.When the current of water-supply source enter refrigerator inside, be cleaned by purifier 12.But traditional purifier 12 can only be located at the rear of refrigerator main body because of above-mentioned reason, give equipment alternately and repairing bring inconvenience.Under refrigerator large scale development trend, the problem points that difficulty is repaired in above-mentioned purifier 12 exchanges is more obvious recently.
In addition, concerning traditional filter for installation, water purifies fully and has difficulties.Such as being difficult to filter the calcium carbonate composition that contains in the tap water.Therefore, in fact be difficult to provide drinkable pure water.Though the tap water by the water pipe supply is different by the area, the water pipe inner face is certain to produce the calcium carbonate composition that contains scale.If can not filter above-mentioned calcium carbonate composition fully, then be difficult to reach standard for drinking.Concerning the refrigerator that adopts above-mentioned traditional purifier, the water that provides by divider is the water that does not filter the calcium carbonate composition.Healthy problem might make a difference when therefore, drinking.
The tradition purifier is the calcium carbonate composition in the filtered water fully, also might cause other problems.Such as, on the inner-walls of duct of refrigerator inside, produce scale, and this scale might cause a lot of problems.Such as, carry out the after sale service difficulty, problems such as the corrosion probability increase of each parts of refrigerator inside.And above-mentioned scale can enter in tap water or the ice cube when coming off after depositing to a certain degree.It is discontented that this can cause the user that these goods are produced.In addition, the scale that produces at pipe interior also might reduce the heat-conductive characteristic of equipment, causes waste of electric energy.
In a word, there are a lot of problems in traditional refrigerator purifier because of removing the calcium carbonate composition that produces scale.
Summary of the invention
Technical problem to be solved by this invention is, the refrigerator that a kind of refrigerator purifier is provided and utilizes the feeding apparatus of this purifier reaches the water that purifies the water pipe supply fully, particularly, calcium carbonate composition in fully purifying waste water, reach provide can purified drinking water purpose; In addition, use certain during after, can exchange easily and repair; When the present invention uses several strainers, can suitably change by the replacement cycle of each strainer.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: refrigerator purifier provided by the invention comprises the 1st strainer, the 2nd strainer is formed, the 1st shell possesses influx and spout, outside water flows to by influx, being cleaned the back flows out by spout, the 1st strainer is located at the 1st enclosure, can the composition that generate scale in the water be filtered, the 2nd shell possesses influx and spout, outside water flows to by influx, being cleaned the back flows out by spout, the 2nd strainer is located at the inside of above-mentioned the 2nd shell, mainly is made of gac, and the water that the outlet by the 1st strainer is discharged flows to from the inlet of the 2nd strainer, can be filtered by the 1st strainer and the 2nd strainer, the 1st strainer and the 2nd strainer are located at a side of refrigerator storage chamber interior in mode removably.
Above-mentioned the 1st strainer is to be made of ion exchange resin or polyphosphate.
Above-mentioned the 1st strainer is made of polyphosphate.
Above-mentioned the 1st strainer or the 2nd filter interior can be provided with the aided filter portion of filtering other foreign matters again.
Above-mentioned influx and spout are formed on the same one side of shell and are advisable.
Above-mentioned shell has cylindrical shape, and spout is formed on the centre, a side of cylindrical housing, and influx forms along the periphery of spout.
Above-mentioned shell has cylindrical shape, spout is formed on the centre, a side of cylindrical housing, influx forms along the periphery of spout, each filter part is by the cylindric inside that is installed in shell, spout is communicated with center channel, and center channel is formed on the centre of shell by length direction, and its end lays respectively at the inboard of each strainer, after the water outside-in that flows into by influx sees through strainer, flow to spout by center channel.
Another embodiment of refrigerator purifier of the present invention, comprise the 1st strainer, the 2nd strainer is formed, the 1st shell possesses influx and spout, outside water flows to by influx, being cleaned the back flows out by spout, the 1st strainer is located at the 1st enclosure, it is characterized in that, and possess and to carry out filtering filter house to the composition that generates scale, and the aided filter portion that can filter other foreign matters, the 2nd shell possesses influx and spout, outside water flows to by influx, be cleaned the back and flow out by spout, the 2nd strainer is located at the inside of the 2nd shell, and to possess with the gac be the filter element of main component, and the aided filter portion that can filter other foreign matters, the water that spout by the 1st strainer is discharged flows to from the influx of the 2nd strainer, can be filtered by the 1st strainer and the 2nd strainer, and the 1st strainer and the 2nd strainer are located at a side of refrigerator storage chamber interior in mode removably.
Refrigerator according to purifier provided by the invention comprises the water conservancy diversion path of the water of water-supply source water conservancy diversion in refrigerator, water to the supply of water conservancy diversion path carries out filtering filter set zoarium, divider and ice maker that the fit filtering current of filter set advance are formed, the filter set zoarium comprises the 1st strainer, the 2nd strainer is formed, the 1st shell possesses influx and spout, outside water flows to by influx, being cleaned the back flows out by spout, the 1st strainer is located at the 1st enclosure, can the composition that generate scale in the water be filtered, the 2nd shell possesses influx and spout, outside water flows to by influx, being cleaned the back flows out by spout, the 2nd strainer is located at the inside of the 2nd shell, mainly constitute by gac, the water that outlet by the 1st strainer is discharged flows to from the inlet of the 2nd strainer, can be filtered by the 1st strainer and the 2nd strainer, the 1st strainer and the 2nd strainer are located at a side of refrigerator storage chamber interior in mode removably.
The invention has the beneficial effects as follows: if adopt purifier provided by the invention, just can solve the calcium carbonate forming factors in the filtered water fully, fall foreign matter by activated carbon filtration simultaneously.This water purification operation can be brought up to the purity of tap water the standard of tap water.
In addition, purifier provided by the invention is located at the inside of refrigerating chamber storage space, can allow the user replace like a cork.Thereby, can suitably change easily by the duration of service of each strainer.
Also have, by the strainer (the 2nd strainer) that filters calcareous strainer (the 1st strainer) and filter foreign matter is set separately respectively, can be by in time changing or repair strainer the work-ing life of each strainer.And, because of the 1st strainer and the 2nd strainer are set respectively, thereby can adjust a certain strainer by different species in the water and ratio, improve filtration efficiency.Such as, if when containing large quantities of lime matter composition in the water, can increase the capacity of the 1st strainer and the capacity of the 2nd strainer aided filter portion, thereby can improve filtration efficiency.
Description of drawings
Fig. 1 is the generalized schematic of common refrigerator feeding apparatus.
Fig. 2 is a purifier summary block diagram provided by the invention.
Fig. 3 is embodiment combination of filters body section figure provided by the invention.
Among the figure:
100: filter set zoarium 110: shell
112: influx 114: spout
140: the 2 strainers of 120: the 1 strainers
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: feeding apparatus of the present invention are described with reference to Fig. 2.As shown in the figure, refrigerator provided by the invention has filter set zoarium 100, divider D and ice maker I.The water of water-supply source Ws supplies such as the fit 100 filtered water taps of filter set.What divider D and ice maker I utilized is the fit 100 filtering water of filter set.
Identical with conventional art, divider D and ice maker I utilize the water after the filtration that filter set zoarium 100 provides, and carry out ice making or outside supplying pure water.This divider D and ice maker I can use original kind also can use other various kinds.
In addition, filter set zoarium 100 provided by the invention possesses the 1st strainer 120 and the 2nd strainer 140.The 1st strainer 120 can be removed and produce the calcium carbonate that contains scale, and the main component of the 2nd strainer 140 is a gac, can may contain the water of iron and rust in the filter pipe, and remove the peculiar smell that foreign matter brings.
Among the present invention, the 1st strainer 120 that comprises in the filter set zoarium 100 is the strainers that are used for removing the calcium carbonate composition that anhydrates.Calcium ion in the water can produce scale when compositions such as magnesium ion are deposited on the pipeline.In order to prevent to produce above-mentioned scale, 120 specific filteration of the 1st strainer.
The 2nd strainer 140 is a water-purifying filter, utilizes the foreign matter in the activated carbon filtration water that is widely used in the water purification field.Activated charcoal filter has a large amount in variety now.Such as, be main component with the gac, add the composition that specific foreign matter is had given efficacy, simultaneously certain foreign matter in the filtered water.Among the present invention, by the 2nd strainer 140 that gac constitutes, in fact can adopt any main component is gac, and possesses the strainer of other various compositions.
When filter set zoarium 100 is located at a side of refrigerator internal storage space, a variety of embodiment can be arranged.Above-mentioned filter set zoarium 100 preferably is located at a side of refrigerator internal storage space in mode removably.
Why using a pair of strainer 120,140 among the present invention, is because the basic filtering function difference of each strainer.And when using different strainer, its work-ing life also can be different.And the size of each strainer also can be different with their required filtration yield.Therefore, when above-mentioned strainer is installed respectively, can change above-mentioned strainer respectively by work-ing life separately.
In addition, contain different separately foreign matters in the tap water of countries in the world and various places.In order more effectively to filter the foreign matter of heterogeneity, can design strainer with different filtering functions.Almost do not have other foreign matters such as some local tap water, and the calcium carbonate composition is many especially.In order to filter a large amount of calcium carbonate compositions, not only need to strengthen the size of the 1st strainer, and its replacement cycle also can become shorter.Among the present invention, can load and unload each strainer respectively, and random trans form filter kind, therefore can provide more satisfactory refrigerator purifier.
Below, with reference to Fig. 3, the filter set zoarium of inventing 100 is elaborated.
Strainer 120,140 possesses shell 110,110a.Shell 110,110a possess influx 112,112a and spout 114,114a.The shell 110 of in fact a pair of strainer, 110a possesses structure much at one.Above-mentioned shell 110,110a has columnar structured being advisable.
The shell 110 of above-mentioned each strainer 120,140,110a are installed in a side of refrigerating chamber inside in mode removably.As shown in the figure, in order to be installed in refrigerating chamber inside in mode removably, the influx 112 of water inlet, 112a and purify after the effusive spout 114 of water, 114a is located on the same direction and is advisable.In the accompanying drawing of embodiment, filter housing 110, the side end centre of 110a forms spout 114, and 114a at spout 114, forms influx 112,112a around the 114a.Influx 112,112a and spout 114,114a concentrates on a side, when strainer is installed in refrigerating chamber inside, can simplify its water supply path.
Among the present invention, the path of purifier is as follows.After the water that water-supply source Ws supplies by pipeline P1 at first flows through the 1st strainer 120, flow into the 2nd strainer 140 again.When flowing through the 1st strainer 120 and the 2nd strainer 140, the water that is cleaned flows to divider D and ice maker I by pipeline P2.
Below the present invention is constituted each strainer 120,140 of filter set zoarium 100, be elaborated.Can remove the root that produces scale in the water with direct-connected the 1st strainer 120 of water pipe.In an embodiment, the filter house 122 of the 1st strainer 120 inside is formed by ion exchange resin.Ion exchange resin can be caught and be generated calcareous calcium ion and magnesium ion, and certain applications are in equipment such as water softening devices.After allowing water flow through the filter house 122 of the 1st strainer 120 that constitutes by ion exchange resin, can remove the calcium ion and the magnesium ion that were dissolved in originally in the water.Under this filteration, can not generate scale to the various parts and the pipe interior of refrigerator private water supply, can provide drinkable water simultaneously.
In the accompanying drawing of embodiment, filter house 122 is communicated with influx 112, is located at the outer side of center channel 115.Flow through the water behind the filter house 122, outwards flow out from spout 114 by the end of center channel 115.
As mentioned above, the 1st strainer 120 is actually the parts of removing calcium ion and magnesium ion among the present invention, can prevent the generation of scale.But, also aided filter portion can be set on the 1st strainer 120.That is, as shown in Figure 3, the behind (influx and spout with shell are as the criterion) of the filter house 122 that is formed by ion exchange resin can be provided with aided filter portion 124.
This aided filter portion 124 can be formed by activated charcoal filter, and the foreign matter in the filtered water also can be formed by other strainers basically, the specific foreign matter in the filtered water.
Above-mentioned aided filter portion 124 is located at the behind of filter house 122 with annular shape, can allow the water outside-in see through.Aided filter portion 124 is supported between flange part 117 and the support portion 119.Flange part 117 is formed on the most inboard of center channel 115, and support portion 119 is formed on the most inboard of shell 110.The inside of aided filter portion 124 is communicated with center channel 115.Center channel 115 is formed on the centre of shell 110 by length direction.The water that is cleaned when flowing through aided filter portion 124 flows out to spout 114 along center channel 115.
In the foregoing description, the 1st strainer 120 is to be made of ion exchange resin.Another embodiment as the filter house 122 of the 1st strainer 120 can be formed by polyphosphate.The polyphosphate that forms the 1st strainer 120 filter houses 122 can be coated on around calcium ion in the water and the magnesium ion and insides of pipes (polyphosphate and calcium ion and magnesium ion react), thereby makes them can not be condensed into calcium carbonate.When constituting the 1st strainer 120 with the particle shape polyphosphate with a certain size, water can flow through by interparticle space.And calcium ion in the water and magnesium ion and polyphosphate react, and make it to be condensed into calcium carbonate.
Among above-mentioned the 1st embodiment, the 1st strainer 120 is made of ion exchange resin or polyphosphate, can filter to generate calcareous foreign matter.
Below the 2nd strainer 140 is described.As shown in Figure 3, flow to the influx 112a of the 2nd strainer 140 by connecting path P from the spout 114 effusive water of the 1st strainer 120.Water from the 1st strainer after the preliminary filtration of quilt is cleaned when flowing through the 2nd strainer 140 inside once more, by the spout 114a outflow of the 2nd strainer 140.Water after filtering for 2 times is supplied among refrigerator interior the divider D and ice maker I.
The 2nd strainer 140 possesses the filter house 144 that is mainly formed by gac.The basic filtering function of this gac is identical with aforesaid content with variation.Main is the 2nd strainer 140 of basic filtering portion with the gac, and the foreign matter in the filtered water basically can be eliminated the peculiar smell of water.
In addition, the spout 114a of the 2nd strainer 140 is formed on the end of center channel 115a, and the internal communication of center channel 115a and filter house 144.Filter house 144 is with cylindric installation, and water is filtered when its inboard, lateral sees through.Water after being filtered outwards flows out by center channel 115a flow spout 114a from the inside of filter house 144.The 2nd filter house 144 can also have other a lot of spread patterns except can having the concentric circles spread pattern.Discharge by spout 114a after the water of influx 112a inflow flows through whole strainers as long as can allow.
Concerning the 2nd strainer 140, main filtration work is to be undertaken by the 2nd filter house 144 that is main component with the gac.But, also aided filter portion can be set on the 2nd strainer 140.
As shown in the figure, in the centre (position that is communicated with center channel 115a) of the 2nd filter house 144 aided filter portion 146 is set.The aided filter portion 146 of the 2nd strainer 140 can be formed by other strainers that filter other foreign matters.Embodiment as aided filter portion 146 can adopt polyphosphate.The function of the aided filter portion 146 that is formed by particle shape polyphosphate is identical with aforementioned content.
Being provided with simultaneously with the gac is the 2nd filter element 144 of main raw material and can filter the aided filter portion 146 of other foreign matters the time, flow to the water of the 2nd strainer 140 inside from influx 112a, after seeing through the 2nd filter house 144 and aided filter portion 146, flow to spout 114a by center channel 115a and outwards flow out.
In the present embodiment, also can there be a lot of variation in the installation of the 2nd filter house 144 and aided filter portion 146.
In the present invention, behind the composition by the 1st strainer 120 filtration generation scales, the foreign matter of removing in the water by the 2nd strainer 140 is supplied to divider D and ice maker I to water purification then again.
Refrigerator purifier provided by the invention can not be limited in the foregoing description scope.Such as, under the situation that possesses above-mentioned the 1st strainer and the 2nd strainer, can there be other variations in the order that water flows through.Also can there be other a lot of variations in the size and the discharging of the filter house 122,144 of purifier inside and aided filter portion 124,146.
Usually, also comprise the after-filter that non-woven fabrics is made on the strainer, also after-filter can be set on each strainer of the present invention.
In sum, in basic fundamental thought range of the present invention,, the user just can much change if possessing the ABC of the industry.Claim scope of the present invention should make an explanation based on claims scope.
Claims (13)
1. refrigerator purifier, comprise water-supply source, divider and purifier, it is characterized in that, purifier comprises the 1st strainer (120), the 2nd strainer (140) is formed, the 1st shell (110) possesses influx (112) and spout (114), outside water flows to by influx (112), being cleaned the back flows out by spout (114), the 1st strainer (120) is located at the 1st shell (110) inside, can the composition that generate scale in the water be filtered, the 2nd shell (110a) possesses influx (112a) and spout (114a), outside water flows to by influx (112a), being cleaned the back flows out by spout (114a), the 2nd strainer (140) is located at the inside of the 2nd shell (110a), constitute by gac, the water that spout (114) by the 1st strainer (120) is discharged flows to from the influx (112a) of the 2nd strainer (140), can be filtered by the 1st strainer (120) and the 2nd strainer (140), the 1st strainer (120) and the 2nd strainer (140) are located at a side of refrigerator storage chamber interior in mode removably.
2. according to the described refrigerator purifier of claim 1, it is characterized in that above-mentioned the 1st strainer (120) is to be made of ion exchange resin or polyphosphate.
3. according to the described refrigerator purifier of claim 1, it is characterized in that above-mentioned the 1st strainer (120) is made of polyphosphate.
4. according to the described refrigerator purifier of claim 1, it is characterized in that the inner aided filter portion (124) of filtering other foreign matters that also is provided with of above-mentioned the 1st strainer (120).
5. according to the described refrigerator purifier of claim 4, it is characterized in that the filter house (122) of above-mentioned the 1st strainer (120) is formed by ion exchange resin, aided filter portion (124) is formed by gac.
6. according to the described refrigerator purifier of claim 1, it is characterized in that the inside of above-mentioned the 2nd strainer (140) also is provided with the aided filter portion (144) of filtering other foreign matters.
7. according to the described refrigerator purifier of claim 6, it is characterized in that above-mentioned aided filter portion (144) is formed by ion exchange resin.
8. according to the described refrigerator purifier of claim 6, it is characterized in that above-mentioned aided filter portion (144) is formed by polyphosphate.
9. described according to Claim 8 refrigerator purifier is characterized in that, above-mentioned influx (112a) and spout (114a) are formed on the same one side of shell.
10. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described refrigerator purifiers, it is characterized in that, above-mentioned shell has cylindrical shape, spout (114,114a) is formed on the centre, a side of cylindrical housing, and influx (112,112a) forms along the periphery of spout (114,114a).
11. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described refrigerator purifiers, it is characterized in that, above-mentioned shell has cylindrical shape, spout (114,114a) be formed on the centre, a side of cylindrical housing, influx (112,112a) along spout (114, periphery 114a) forms, each strainer is by the cylindric inside that is installed in shell, spout (114,114a) be communicated with center channel (115), center channel (115) is formed on the centre of shell by length direction, its end lays respectively at the inboard of each strainer, by influx (112, after 112a) the water outside-in of Liu Ruing sees through strainer, flow to spout by center channel (115).
12. according to the described refrigerator purifier of claim 1, comprise the 1st strainer (120), the 2nd strainer (140) is formed, the 1st shell (110) possesses influx (112) and spout (114), outside water flows to by influx (112), being cleaned the back flows out by spout (114), the 1st strainer (120) is located at the 1st shell (110) inside, it is characterized in that, and possess and to carry out filtering filter house (122) to the composition that generates scale, and the aided filter portion (124) that can filter other foreign matters, the 2nd shell (110a) possesses influx (112a) and spout (114a), outside water flows to by influx (112a), being cleaned the back flows out by spout (114a), the 2nd strainer (140) is located at the inside of the 2nd shell (110a), and possesses filter house (144) with the gac composition, and the aided filter portion (146) that can filter other foreign matters, the water that spout (114) by the 1st strainer (120) is discharged flows to from the influx (112a) of the 2nd strainer (140), can be filtered by the 1st strainer (120) and the 2nd strainer (140), the 1st strainer (120) and the 2nd strainer (140) are located at a side of refrigerator storage chamber interior in mode removably.
13. according to the described refrigerator purifier of claim 1, utilize the refrigerator of this device to comprise the 1st strainer (120), the 2nd strainer (140) is formed, it is characterized in that, also comprise the water conservancy diversion path of the water of water-supply source (WS) water conservancy diversion in refrigerator, water to the supply of water conservancy diversion path carries out filtering filter set zoarium (100), divider (D) that the filtering current of filter set zoarium (100) advance and ice maker (1) are formed, filter set zoarium (100) comprises the 1st strainer (120), the 2nd strainer (140) is formed, the 1st shell (110) possesses influx (112) and spout (114), outside water flows to by influx (112), being cleaned the back flows out by spout (114), the 1st strainer (120) is located at the 1st shell (110) inside, can the composition that generate scale in the water be filtered, the 2nd shell (110a) possesses influx (112a) and spout (114a), outside water flows to by influx (112a), being cleaned the back flows out by spout (114a), the 2nd strainer (140) is located at the inside of the 2nd shell (110a), constitute by gac, the water that spout (114) by the 1st strainer (120) is discharged flows to from the influx (112a) of the 2nd strainer (140), can be filtered by the 1st strainer (120) and the 2nd strainer (140), the 1st strainer (120) and the 2nd strainer (140) are located at a side of refrigerator storage chamber interior in mode removably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018913 CN1683886A (en) | 2004-04-12 | 2004-04-12 | Water purifying method for refrigerator and refrigerator with said device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018913 CN1683886A (en) | 2004-04-12 | 2004-04-12 | Water purifying method for refrigerator and refrigerator with said device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1683886A true CN1683886A (en) | 2005-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410018913 Pending CN1683886A (en) | 2004-04-12 | 2004-04-12 | Water purifying method for refrigerator and refrigerator with said device |
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| CN (1) | CN1683886A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD987772S1 (en) | 2020-07-02 | 2023-05-30 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
| USD1016970S1 (en) | 2021-09-03 | 2024-03-05 | Qingdao Ecopure Filter Co., Ltd | Water filter |
| USD1019884S1 (en) | 2021-08-03 | 2024-03-26 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
| US12083460B2 (en) | 2021-07-01 | 2024-09-10 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
-
2004
- 2004-04-12 CN CN 200410018913 patent/CN1683886A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD987772S1 (en) | 2020-07-02 | 2023-05-30 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
| US12083460B2 (en) | 2021-07-01 | 2024-09-10 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
| USD1019884S1 (en) | 2021-08-03 | 2024-03-26 | Qingdao Ecopure Filter Co., Ltd. | Water filter |
| USD1016970S1 (en) | 2021-09-03 | 2024-03-05 | Qingdao Ecopure Filter Co., Ltd | Water filter |
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