CN202813732U - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN202813732U CN202813732U CN201220448169.XU CN201220448169U CN202813732U CN 202813732 U CN202813732 U CN 202813732U CN 201220448169 U CN201220448169 U CN 201220448169U CN 202813732 U CN202813732 U CN 202813732U
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Abstract
The utility model discloses an electric water heater, which comprises an inner container, a water inlet joint and a water intake and drain device, wherein the inside of the inner container is provided with a water storage chamber, and the first end of the water intake joint is connected with the peripheral wall of the inner container, so the water intake joint is communicated with the water storage chamber. The water intake and drain device is arranged on at the water intake joint. The electric water heater disclosed by the embodiment of the utility model has the advantages that the water intake and drain device is arranged on at the water intake joint, so the complete water drain of the water storage chamber is realized at the water intake joint; the structure is simple, the water drain is convenient, and a user can conveniently clean and service the electric water heater by self.
Description
Technical field
The utility model relates to a kind of water heater, particularly relates to a kind of electric heater.
Background technology
In the use procedure of storage-type electric water heater, its inner bag is in water-filled state for a long time.Because the difference of various places water quality, the inner bag inside of this storage-type electric water heater is easy to precipitate dirt, not only affects water quality, has also affected the thermal efficiency of internal heating element.Therefore, this storage-type electric water heater in use needs regularly the sewage in its inner bag to be discharged and cleaned.In the prior art, when storage-type electric water heater is discharged remaining water or cleaning, must be opened by the mudhole bolt that specific purpose tool will be arranged at the storage-type electric water heater outside by the professional, the magnesium rod that will be fixed in the inner bag disassembles, and just can carry out draining.Above-mentioned drainage pattern workload is large, operation is comparatively complicated, needs the professional person to operate, and is not easy to user's self-cleaning and maintenance.
The utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.
For this reason, a purpose of the present utility model is to propose the electric heater that a kind of draining is convenient, be convenient to user's self-cleaning and maintenance.
A kind of electric heater comprises inner bag and water supply connector, has the water storage chamber in the described inner bag; The first end of described water supply connector links to each other with described inner bag so that described water supply connector is communicated with described water storage chamber; Described electric heater also comprises feeding/discharging device, and this feeding/discharging device is installed in described water supply connector place.
Described electric heater can be realized in the water supply connector of electric heater the complete draining of water storage chamber of electric heater by being provided with feeding/discharging device in its water supply connector place, and is not only simple in structure, and draining is convenient, is convenient to user's self-cleaning and maintenance.
In addition, according to the electric heater of the above-mentioned example of the utility model, can also have following additional technical characterictic:
Described feeding/discharging device comprised water lining and ball valve, and the described first end of crossing the water lining passes described water supply connector and stretch into described water storage cavity indoor; Described ball valve has tube connector and switch, and the first end of described tube connector links to each other with the second end of described water supply connector and the second end of described tube connector links to each other with described switch, and described the second end of crossing the water lining is plugged in the first end of described tube connector.
Preferably, described feeding/discharging device also comprises clamp, and described clamp comprises the first clamping part and the second clamping part that the interval arranges, and the second end of contiguous described water supply connector convexes with the water supply connector fin on the periphery wall of described water supply connector; The first end of contiguous this tube connector convexes with the tube connector fin on the periphery wall of described tube connector, the periphery wall of described the first clamping part and the described water supply connector of the second clamping part difference clamping and the periphery wall of described tube connector, described water supply connector fin and described tube connector fin are contained between described the first clamping part and the second clamping part against ground mutually.
Preferably, described feeding/discharging device also further comprises sealing ring, and contiguous described water supply connector fin is concaved with seal groove on the periphery wall of described water supply connector, described sealing ring be installed in the described seal groove and with the inwall interference fit of described tube connector.
Preferably, what have contiguous described the second end of crossing the water lining on the described periphery wall of crossing the water lining crosses water lining fin, has on the inwall of described tube connector and the described suitable boss of water lining fin of crossing, and the described water lining fin of crossing is resisted against on the described boss.
Preferably, described feeding/discharging device also comprises sealing gasket, and described sealing gasket is located at described the mistake between water lining fin and the described boss.
Preferably, be formed with water lining external screw thread on the outer peripheral face of described excessively water lining fin, and be formed with on the inwall of the tube connector of described ball valve and described the first suitable internal thread of water lining external screw thread of crossing, the described water lining of crossing is connected with described the first internal thread.
Preferably, has the water supply connector external screw thread on the periphery wall of described water supply connector, described water supply connector external screw thread is concordant with the described excessively externally threaded outer rim of water lining, also be formed with second internal thread suitable with described water supply connector external screw thread on the inwall of the tube connector of described ball valve, described water supply connector is connected with described the second internal thread.
Preferably, offer a plurality of inlet openings on the first end sealing of described excessively water lining and the perisporium of described excessively water lining, described inlet opening is contiguous described to be crossed the first end setting of water lining and arranges along the described circumferential interval of crossing the water lining, the bottom surface of contiguous this water storage chamber in the bottom surface of this inlet opening, the bottom surface of described water storage chamber is between the end face and bottom surface of described inlet opening.
Preferably, described ball valve is straight-through valve or tee ball valve.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of example in conjunction with following accompanying drawing, wherein:
Fig. 1 is the blast structural representation of the utility model electric heater the first embodiment;
Fig. 2 is the assembly structure schematic diagram of electric heater shown in Figure 1;
Fig. 3 is the local enlarged diagram at A place in the electric heater shown in Figure 2;
Fig. 4 is the blast structural representation of the utility model electric heater the second embodiment;
Fig. 5 is the assembly structure schematic diagram of electric heater shown in Figure 4;
Fig. 6 is the local enlarged diagram at B place in the electric heater shown in Figure 5;
Wherein, the Reference numeral in the accompanying drawing is as follows:
100(100a): electric heater; 10(10a): inner bag; 20(20a): water supply connector; 21: the water supply connector fin; 22: seal groove; 23: the water supply connector external screw thread; 30(30a): feeding/discharging device; 31(31a): cross the water lining; 311(311a): the inlet opening; 312(312a): cross water lining fin; 313(313a): cross water lining external screw thread; 32(32a): ball valve; 321(321a): tube connector; 322(322a): switch; 323(323a): boss; 324: the tube connector fin; 40: clamp; 41: the first clamping parts; 42: the second clamping parts; 43: the slit; 50(50a): sealing ring; 60(60a): sealing gasket.
The specific embodiment
The below describes example of the present utility model in detail, and the example of described example is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the example that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under the Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Describe according to electric heater of the present utility model below in conjunction with drawings and the specific embodiments.
The first embodiment
As shown in Figure 1 to Figure 3, the electric heater 100 of the utility model the first embodiment comprises inner bag 10, water supply connector 20, feeding/discharging device 30, clamp 40, sealing ring 50 and sealing gasket 60.Be provided with the water storage chamber in the inner bag 10, the first end of water supply connector 20 (end that makes progress such as water supply connector among Fig. 1 20) links to each other with the periphery wall of inner bag 10 so that water supply connector 20 is communicated with water storage chamber in this inner bag 10.The second end of contiguous water supply connector 20 on the periphery wall of water supply connector 20 (such as the downward end of water supply connector among Fig. 1 20) position convexes with water supply connector fin 21, and contiguous this water supply connector fin 21 of the second end of this water supply connector 20 is concaved with seal groove 22.Feeding/discharging device 30 passes water supply connector 20 and is installed in this water supply connector 20, in order to make things convenient for the water storage chamber drainage position reason of electric heater 100.In this preferable examples, the first end of feeding/discharging device 30 stretches in the inner bag 10, and the second end exposes from the delivery port of water supply connector 20.
Described feeding/discharging device 30 comprised water lining 31 and ball valve 32.Cross first end (end that makes progress as crossing water lining 31 among Fig. 1) sealing of water lining 31 and cross on the perisporium of water lining 31 and offer a plurality of inlet openings 311 of arranging and be close to the first end of water lining 31 along the circumferential interval of crossing water lining 31.Be the complete draining of the water storage chamber of realizing better inner bag 10, the bottom surface of the contiguous water storage chamber in the bottom surface of described inlet opening 311 arranges.Cross the second end that was close to water lining 31 on the periphery wall of water lining 31 and convexed with water lining fin 312, the first end of crossing water lining 31 passes water supply connector 20 and stretches into the indoor so that bottom surface of described water storage chamber of the water storage cavity of described inner bag 10 between the end face and bottom surface of inlet opening 311.
This feeding/discharging device 30 is simple in structure, adopts the mode of pegging graft to connect, and is easy to assembly.Cross the structure that inlet opening 311 is set on the first end sealing of water lining 31 and the perisporium, can make cold water 311 enter the water storage chamber from the inlet opening, thereby changed the water (flow) direction when cold water enters, avoid cold water directly to impact water storage chamber upper strata hot water, thereby improved the hot water delivery rate of electric heater.The user that is arranged so that of ball valve 32 need not to adopt specific purpose tool can realize the water storage chamber draining of electric heater, and whole drainage procedure is simple and convenient, can finish under without professional person's operation, is fit to average family and uses.
About comprising, clamp 40 is formed with slit 43 between spaced apart the first clamping part 41 and the second clamping part 43, the first clamping parts 41 and the first clamping part 42.The periphery wall of the first clamping part 41 clamping water supply connectors 20 of clamp 40 and the periphery wall of tube connector 321, water supply connector fin 21 and tube connector fin 324 are contained in the slit 43 of clamp 40 (as shown in Figures 2 and 3) against ground mutually.The first clamping part 41 and the first clamping part 42 have certain elasticity, and it is circular-arc that the surface is.Thus, when mounted, clamp 33 is stuck in the slit 43 against rear with tube connector fin 324 mutually jointly by the outer wall of the easily clamping water supply connector of deformation 20 of the first clamping part 41 and the first clamping part 42 and outer wall and the water supply connector fin 21 of tube connector 321, thereby ball valve 32 firmly is fixed in the water supply connector 20.
Below in conjunction with the simple installation process of describing according to the electric heater 100 of the utility model the first embodiment of Fig. 1 to Fig. 3.
As shown in Figure 1 to Figure 3, water supply connector 20 adopts buckle to be connected with feeding/discharging device 30.At first, sealing gasket 60 is installed on the boss 323 of tube connector 321 of ball valve 32 and is installed in the inwall interference fit of tube connector 321, the second end of crossing water lining 31 is inserted in the tube connector 321 of ball valve 32, the water lining fin 312 of crossing on the water lining 31 was matched with boss 323 on the tube connector 321, located with convenient.Then, seal groove 22 interior installation sealing rings 50 in water supply connector 20, the first end that to cross again water lining 31 inserts in the water supply connector 20, makes inlet opening 311 stretch into the indoor and bottom surface that makes described water storage chamber of the water storage cavity of described inner bag 10 between the end face and bottom surface of inlet opening 311.At last, with the be clamped and connected periphery wall of pipe 321 of the first clamping part 42 of the periphery wall of the first clamping part 41 clamping water supply connectors 20 of clamp 33 and clamp 33, water supply connector fin 21 is contained in the slit 43 of clamp 33 against ground mutually with tube connector fin 324, finishes the assembling of feeding/discharging device 30.
The second embodiment
To shown in Figure 6, the electric heater 100a of the utility model the second embodiment comprises inner bag 10a, water supply connector 20a, feeding/discharging device 30a, sealing ring 50a, sealing gasket 60a such as Fig. 4.Be provided with the water storage chamber in the inner bag 10a, the first end of water supply connector 20a (end that makes progress such as water supply connector 20a among Fig. 4) links to each other so that water supply connector 20a is communicated with the water storage chamber with the periphery wall of inner bag 10a, has water supply connector external screw thread 23a on the periphery wall of the second end of water supply connector 20a (such as the downward end of water supply connector 20a among Fig. 4).Feeding/discharging device 30a passes water supply connector 20a and is installed in this water supply connector 20a, in order to make things convenient for the water storage chamber drainage position reason of electric heater 100a.In this preferable examples, the first end of feeding/discharging device 30a stretches in the inner bag 10a, and the second end exposes from the delivery port of water supply connector 20a.
Feeding/discharging device 30a comprised water lining 31a and ball valve 32a.
The first end of the mistake water lining 31 in the structure of crossing the first end (end that makes progress as crossing water lining 31a among Fig. 4) of water lining 31a and inlet opening 311a and technique effect and the utility model the first example and structure and the technique effect of inlet opening 311 are identical, the second end (as crossing the downward end of water lining 31a among Fig. 4) of crossing water lining 31a had water lining fin 312a, cross on the outer peripheral face of water lining fin 312a and be formed with water lining external screw thread 313, it is concordant with the outer rim of water supply connector external screw thread 23 to cross water lining external screw thread 313.
Ball valve 32a has tube connector 321a and switch 322a.Be formed with the first internal thread (not shown) suitable with crossing water lining external screw thread 313 on the inwall of the first end of tube connector 321a, the second end (as crossing the downward end of water lining 31a among Fig. 4) of crossing water lining 31a with as described in the first internal thread be connected.The first end of tube connector 321a (end that makes progress such as ball valve 32a among Fig. 4) links to each other with the second end of water supply connector 20a, also be formed with the second internal thread (not shown) suitable with water supply connector external screw thread 23 on the inwall of the first end of tube connector 321a, water supply connector 20a is connected with described the second internal thread, described the first and second internal threads are integrally formed, thus, can under the prerequisite that does not affect the assembling effect, reduce the preparation cost of electric heater.Switch 322a is positioned at tube connector 321a middle part, is used for connection and the disconnection of control connection pipe 321a.Thus, the mode that is threaded connection, so that ball valve 32a is more efficient and convenient with being connected of mistake water lining 31a, the efficiency of assembling of Effective Raise electric heater.Ball valve 32a can be straight-through valve or tee ball valve, and its technique effect is also identical with the technique effect of ball valve 32 in the utility model the first example, therefore repeats no more.Simultaneously, the mode that is threaded connection can be simplified being connected of feeding/discharging device 30a and water supply connector 20a, improves efficiency of assembling.
Feeding/discharging device 30a according to the utility model example is simple in structure, adopts the mode of screw thread to connect, and easy accessibility is convenient to the later stage maintenance.
Structure and the technique effect of sealing ring 50 and sealing gasket 60 are identical in sealing ring 50a in the present embodiment and the structure of sealing gasket 60a and technique effect and the utility model the first example, therefore also repeat no more.
Below in conjunction with the simple installation process of describing according to the electric heater 100a of the utility model the second embodiment of Fig. 4 to Fig. 6.
To shown in Figure 6, water supply connector 20a adopts with feeding/discharging device 30a and is threaded such as Fig. 4.At first, sealing gasket 60a is installed on the boss 323a in the tube connector 321a of ball valve 32a, at the outer wall that sealing ring 5a was sleeved on water lining 31a, the water lining external screw thread 313 of crossing that to cross again the second end of water lining 31a is connected with the first internal thread of the tube connector 321a of ball valve 32a, then, the first end of crossing water lining 31a is inserted among the water supply connector 20a, make inlet opening 311a stretch into the indoor and bottom surface that makes described water storage chamber of described water storage cavity between the end face and bottom surface of inlet opening 311a, the second internal thread of ball valve 32a is connected with the water supply connector external screw thread 23 of water supply connector 20a, finishes the assembling of feeding/discharging device 30a.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one example of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this example or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical example or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more examples or example.
Although the above has illustrated and has described example of the present utility model, be understandable that, above-mentioned example is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-mentioned example in the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.
Claims (10)
1. an electric heater comprises inner bag and water supply connector, has the water storage chamber in the described inner bag; The first end of described water supply connector links to each other with described inner bag so that described water supply connector is communicated with described water storage chamber; It is characterized in that: described electric heater also comprises feeding/discharging device, and this feeding/discharging device is installed in described water supply connector place.
2. electric heater according to claim 1, it is characterized in that: described feeding/discharging device comprised water lining and ball valve, the described first end of crossing the water lining passes described water supply connector and stretches into described water storage cavity indoor; Described ball valve has tube connector and switch, and the first end of described tube connector links to each other with the second end of described water supply connector and the second end of described tube connector links to each other with described switch, and described the second end of crossing the water lining is plugged in the first end of described tube connector.
3. electric heater according to claim 2, it is characterized in that: described feeding/discharging device also comprises clamp, described clamp comprises the first clamping part and the second clamping part that the interval arranges, and the second end of contiguous described water supply connector convexes with the water supply connector fin on the periphery wall of described water supply connector; The first end of contiguous this tube connector convexes with the tube connector fin on the periphery wall of described tube connector, the periphery wall of described the first clamping part and the described water supply connector of the second clamping part difference clamping and the periphery wall of described tube connector, described water supply connector fin and described tube connector fin are contained between described the first clamping part and the second clamping part against ground mutually.
4. electric heater according to claim 3, it is characterized in that: described feeding/discharging device also further comprises sealing ring, contiguous described water supply connector fin is concaved with seal groove on the periphery wall of described water supply connector, described sealing ring be installed in the described seal groove and with the inwall interference fit of described tube connector.
5. electric heater according to claim 2, it is characterized in that: have the contiguous described excessively water lining fin of crossing the second end of water lining on the periphery wall of described excessively water lining, have on the inwall of described tube connector and the described suitable boss of water lining fin of crossing, the described water lining fin of crossing is resisted against on the described boss.
6. electric heater according to claim 5, it is characterized in that: described feeding/discharging device also comprises sealing gasket, described sealing gasket is located at described the mistake between water lining fin and the described boss.
7. electric heater according to claim 5, it is characterized in that: be formed with water lining external screw thread on the outer peripheral face of described excessively water lining fin, be formed with on the inwall of the tube connector of described ball valve and described the first suitable internal thread of water lining external screw thread of crossing, the described water lining of crossing is connected with described the first internal thread.
8. electric heater according to claim 7, it is characterized in that: have the water supply connector external screw thread on the periphery wall of described water supply connector, described water supply connector external screw thread is concordant with the described excessively externally threaded outer rim of water lining, also be formed with second internal thread suitable with described water supply connector external screw thread on the inwall of the tube connector of described ball valve, described water supply connector is connected with described the second internal thread.
9. electric heater according to claim 2, it is characterized in that: offer a plurality of inlet openings on the first end sealing of described excessively water lining and the perisporium of described excessively water lining, described inlet opening is contiguous described to be crossed the first end setting of water lining and arranges along the described circumferential interval of crossing the water lining, the bottom surface of contiguous this water storage chamber in the bottom surface of this inlet opening, the bottom surface of described water storage chamber is between the end face and bottom surface of described inlet opening.
10. each described electric heater is characterized in that according to claim 2-9, and described ball valve is straight-through valve or tee ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448169.XU CN202813732U (en) | 2012-09-04 | 2012-09-04 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448169.XU CN202813732U (en) | 2012-09-04 | 2012-09-04 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202813732U true CN202813732U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220448169.XU Expired - Lifetime CN202813732U (en) | 2012-09-04 | 2012-09-04 | Electric water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN202813732U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821966A (en) * | 2014-03-24 | 2014-05-28 | 宁波华成阀门有限公司 | Valve assembly applied to water heater and capable of bypass connection with scale cleaner |
| CN103982690A (en) * | 2014-06-03 | 2014-08-13 | 广东威博电器有限公司 | Electric water heater drain valve and electric water heater |
| CN104110861A (en) * | 2013-09-24 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and water supply and discharge device for same |
| CN104930707A (en) * | 2014-03-17 | 2015-09-23 | 广东美的暖通设备有限公司 | Water heater water tank, water heater, and cleaning and control method thereof |
| CN109974110A (en) * | 2019-04-08 | 2019-07-05 | 广东美的暖通设备有限公司 | Cistern assembly, air conditioner humidifier and the air conditioner of air conditioner humidifier |
-
2012
- 2012-09-04 CN CN201220448169.XU patent/CN202813732U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110861A (en) * | 2013-09-24 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and water supply and discharge device for same |
| CN104930707A (en) * | 2014-03-17 | 2015-09-23 | 广东美的暖通设备有限公司 | Water heater water tank, water heater, and cleaning and control method thereof |
| CN103821966A (en) * | 2014-03-24 | 2014-05-28 | 宁波华成阀门有限公司 | Valve assembly applied to water heater and capable of bypass connection with scale cleaner |
| CN103982690A (en) * | 2014-06-03 | 2014-08-13 | 广东威博电器有限公司 | Electric water heater drain valve and electric water heater |
| CN103982690B (en) * | 2014-06-03 | 2016-08-24 | 广东威博电器有限公司 | Electric heater draining valve and electric heater |
| CN109974110A (en) * | 2019-04-08 | 2019-07-05 | 广东美的暖通设备有限公司 | Cistern assembly, air conditioner humidifier and the air conditioner of air conditioner humidifier |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |