CN104110832A - Water heater - Google Patents
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- Publication number
- CN104110832A CN104110832A CN201410007170.2A CN201410007170A CN104110832A CN 104110832 A CN104110832 A CN 104110832A CN 201410007170 A CN201410007170 A CN 201410007170A CN 104110832 A CN104110832 A CN 104110832A
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- Prior art keywords
- inlet pipe
- inner bag
- water
- water heater
- pipe
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Abstract
The invention discloses a water heater comprising a housing, an inner cylinder, a blow off pipe, a water incoming pipe and a water discharging pipe. The water incoming pipe and the water discharging pipe are mounted in the inner cylinder respectively, the lower ends of water incoming pipe and the water discharging pipe are communicated with the outside, the water incoming pipe is provided with a water feeding channel feeding water into the inner cylinder and an air incoming channel feeding the air into the inner cylinder, inside, and the water discharging channel is provided with a water discharging channel discharging water out of the inner cylinder and an exhausting channel exhausting outside the inner cylinder, inside. According to an embodiment, the air incoming channel is arranged in the water incoming pipe of a water heater body, and the exhausting channel is arranged in the water discharging pipe; when the water heater is used normally, the air incoming channel and the exhausting channel are closed; when the water heater blows off sewage, the air incoming channel is opened, the air can be fed into the inner cylinder while the water heater blows off sewage, the pressure balance between the inside and outside of the inner cylinder can be guaranteed, sewage can be blew off timely, the blowing-off efficiency of the water heater is improved, and usage is facilitated.
Description
Technical field
The present invention relates to field of household appliances, more specifically, relate to a kind of water heater.
Background technology
Water heater in correlation technique is when blowdown, and the air pressure in water heater liner reduces gradually along with the continuous draining of water heater, causes drainage speed to reduce gradually, thereby has reduced the contaminant removal effectiveness of water heater, uses inconvenience, and therefore existing to improve needs.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of simple in structure, easy to use and water heater that contaminant removal effectiveness is high.
Water heater according to the embodiment of the present invention, comprising: housing; Inner bag, described inner bag is arranged in described housing; Blow-off pipe, described blow-off pipe is located in described inner bag; And water inlet pipe and drainpipe, described water inlet pipe and drainpipe are arranged on respectively in described inner bag and lower end and the extraneous conducting of described water inlet pipe and drainpipe, wherein, in described water inlet pipe, be provided with to the water inlet path of intaking in described inner bag with to the intake channel of air inlet in described inner bag, in described drainpipe, be provided with the drainage channel of draining outside described inner bag and the exhaust channel of exhaust outside described inner bag.
According to the water heater of the embodiment of the present invention, by in the water inlet pipe of water heater, intake channel being set, and in drainpipe, exhaust channel is set, when water heater is normally used, intake channel and exhaust channel are closed, when water heater blowdown, intake channel is opened, and water heater can be to air inlet in inner bag in blowdown, guarantee inner bag inside and outside air pressure balance, thereby be convenient to sewage, discharge in time, improved water heater contaminant removal effectiveness, use more convenient.
In addition, according to the water heater of the embodiment of the present invention, can also there is following additional technical characterictic:
According to one embodiment of present invention, described water heater also comprises: air inlet pipe, described air inlet pipe is located in described water inlet pipe, the lower end of described air inlet pipe and extraneous conducting, in described air inlet pipe, be formed with described intake channel, described air inlet pipe stretches into and between the periphery wall of the part in described water inlet pipe and the internal perisporium of described water inlet pipe, limits described water inlet path.
According to one embodiment of present invention, the roof setting of the contiguous described inner bag in the upper end of described air inlet pipe.
According to one embodiment of present invention, the lower end of described air inlet pipe is provided with the breather cheek valve that can open and close described intake channel.
According to one embodiment of present invention, described breather cheek valve is air pressure valve, and described breather cheek valve is formed at when described inner bag internal gas pressure is less than ambient pressure and opens.
According to one embodiment of present invention, described air inlet pipe and described water inlet pipe are integrally formed.
According to one embodiment of present invention, described water heater also comprises: blast pipe, described blast pipe is located in described drainpipe, the lower end of described blast pipe and extraneous conducting, in described blast pipe, be formed with described exhaust channel, described blast pipe stretches between the periphery wall of the part in described drainpipe and the internal perisporium of described drainpipe and limits described drainage channel.
According to one embodiment of present invention, the roof setting of the contiguous described inner bag in the upper end of described blast pipe.
According to one embodiment of present invention, the lower end of described blast pipe is provided with the one-way exhaust valve that can open and close described exhaust channel.
According to one embodiment of present invention, described one-way exhaust valve is air pressure valve, and described one-way exhaust valve is formed at when described inner bag internal gas pressure is greater than described ambient pressure and opens.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the water heater of the embodiment of the present invention;
Fig. 2 is the partial structurtes schematic diagram according to the water inlet pipe of the water heater of the embodiment of the present invention and air inlet pipe;
Fig. 3 is the partial structurtes schematic diagram according to the drainpipe of the water heater of the embodiment of the present invention and blast pipe.
Reference numeral:
Water heater 100;
Shell 10;
Inner bag 20; Exhaust outlet 21;
Blow-off pipe 30;
Water inlet pipe 40; Water inlet path 41; Intake channel 42;
Drainpipe 50; Drainage channel 51; Exhaust channel 52;
Air inlet pipe 60;
Blast pipe 70.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " length ", " width ", " on ", orientation or the position relationship of the indication such as D score, " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Below in conjunction with accompanying drawing, specifically describe according to the water heater 100 of the embodiment of the present invention.
As Fig. 1 with to as shown in the of 3, according to the water heater 100 of the embodiment of the present invention, comprise shell 10, inner bag 20, blow-off pipe 30 and water inlet pipe 40 and drainpipe 50.
Particularly, inner bag 20 is arranged in shell 10, and blow-off pipe 30 is located in inner bag 20 for water heater 100 is carried out to blowdown processing.Water inlet pipe 40 and drainpipe 50 are arranged on respectively in inner bag 20 and lower end and the extraneous conducting of water inlet pipe 40 and drainpipe 50.In water inlet pipe 40, be provided with to the water inlet path 41 of inner bag 20 interior water inlets with to the intake channel 42 of inner bag 20 interior air inlets, in drainpipe 50, be provided with to the drainage channel 51 of inner bag 20 outer drainings with to the exhaust channel 52 of inner bag 20 outer exhausts.
Thus, according to the water heater 100 of the embodiment of the present invention, by the interior intake channel 42 that arranges of the water inlet pipe 40 at water heater 100, and at the interior exhaust channel 52 that arranges of drainpipe 50, when water heater is normally used, intake channel 42 and exhaust channel 52 are closed, when water heater 100 blowdown, intake channel 42 is opened, water heater 100 can guarantee inner bag 20 inside and outside air pressure balances to the interior air inlet of inner bag 20 in blowdown, thereby be convenient to sewage, discharges in time, improved water heater 100 contaminant removal effectivenesses, used more convenient.
It should be noted that, according to the water inlet path 41 of the water inlet pipe 40 of the water heater 100 of the embodiment of the present invention, can be communicated with running water pipe, intake channel 42 can with extraneous conducting, the drainage channel 51 of drainpipe 50 is communicated with discharge structures such as jet pipe, shower nozzles.When water heater 100 normal use, water inlet path 41 water inlets of water inlet pipe 40, drainpipe 50 is by the outside water outlet of jet pipe, and the jet pipe being communicated with drainpipe 50 can be opened draining.After water heater 100 is used a period of time, need to clean it, after cleaning, need the sewage in inner bag 20 to discharge.In blowdown process, water inlet pipe 40 is closed, now iff opening blow-off pipe 30, discharge the sewage in inner bag 20, in inner bag 20, sewage is in discharge process, air pressure in inner bag 20 can reduce gradually, and sewage discharge process can be more and more difficult, causes contaminant removal effectiveness to reduce, even have part of contaminated water residual, clean inconvenient.
And according to the water heater 100 of the embodiment of the present invention, by setting, be specifically designed to the intake channel 42 of air inlet and for the exhaust channel 52 of exhaust, in water heater 100 blowdown processes, intake channel 42 can be to air inlet in inner bag 20, thereby guarantee inner bag 20 inside and outside air pressure balances, to discharge smoothly the sewage in water heater 100.After water heater 100 blowdowns complete, close blow-off pipe 30, open water inlet pipe 40 to water heater 100 water inlets, the water that enters water heater 100 can be discharged the air in inner bag 20 from exhaust channel 52, guarantees carrying out smoothly of water inlet.
In the water heater of prior art, conventionally be not provided for controlling the structure of air inlet and exhaust, when water heater 100 need to carry out blowdown processing, contaminant removal effectiveness is low.According to the water heater of the embodiment of the present invention, by other setting, be specifically designed to the intake channel 42 of air inlet and for the exhaust channel 52 of exhaust, when water heater 100 blowdown, can be rapidly to the interior air inlet of inner bag 20; When water heater 100 water inlet, can discharge the air of inner bag 20, realize the rapid cleaning process of water heater 100.And the water heater 100 of this structure, only need two independently intake path 41 and intake channels 42 be set water inlet pipe 40 is interior, two independently drainage channel 51 and exhaust channels 52 are set outlet pipe 50 is interior, when can improving water heater 100 contaminant removal effectivenesses, easy to assembly, controlled cost.
About water inlet path 41 and the setting of intake channel 42 in water inlet pipe 40, be not particularly limited, if meet can be respectively to the requirement of the interior water inlet of inner bag 20 and air inlet.Alternatively, according to one embodiment of present invention, water heater 100 also comprises that air inlet pipe 60(as shown in Figure 2), air inlet pipe 60 is located in water inlet pipe 40, the lower end of air inlet pipe 60 and extraneous conducting, in air inlet pipe 60, be formed with intake channel 42, air inlet pipe 60 stretches between the periphery wall of the part in water inlet pipe 40 and the internal perisporium of water inlet pipe 40 and limits into water path 41.
In other words, water inlet pipe 40 is interior be also provided with in addition one with inner bag 20 inside and outside the air inlet pipe 60 of conductings, at least a portion of air inlet pipe 60 stretches in water inlet pipe 40, the lower end of water inlet pipe 40 and cross current, the lower end of air inlet pipe 60 and extraneous conducting, the path of air inlet pipe 60 interior formation is intake channel 42, and it is water inlet path 41 that air inlet pipe 60 stretches into the path limiting between the periphery wall of the part in water inlet pipe 40 and the internal perisporium of water inlet pipe 40.
Thus, the water inlet pipe 40 of this structure is rational in infrastructure with air inlet pipe 60, can be separately to the interior air inlet of inner bag 20 or water inlet by the water inlet path 41 and the intake channel 42 that independently arrange, and air inlet pipe 60 is located in water inlet pipe 40, without offering installing hole in addition on inner bag 20, simplify assembling process, reduced preparation cost.
According to one embodiment of present invention, the roof setting of the contiguous inner bag 20 in the upper end of air inlet pipe 60.Normally, the upper end of water inlet pipe 40 extend into the above position, middle part of inner bag 20, and the length of air inlet pipe 60 can be greater than the length of water inlet pipe 40.The upper end of air inlet pipe 60 is arranged on to the roof place of contiguous inner bag 20, water heater 100 is when blowdown, the interior water level of inner bag 20 declines, and can guarantee that the gas in air inlet pipe 60 can enter the region of vacating in inner bag 20 fast, thereby guarantees the contaminant removal effectiveness of water heater 100.
For the convenient break-make of controlling intake channel 42, alternatively, according to one embodiment of present invention, the lower end of air inlet pipe 60 is provided with the breather cheek valve (not shown) that can open and close intake channel 42.Thus, can control the opening and closing of intake channel 42 by controlling the opening and closing of this breather cheek valve, water heater 100 is used more convenient.
Concrete structure about breather cheek valve is not particularly limited, as long as meet the requirement that can open and close intake channel 42.According to one embodiment of present invention, this breather cheek valve is air pressure valve, and breather cheek valve is formed at when inner bag 20 internal gas pressures are less than ambient pressure and opens.That is to say, the control valve of this breather cheek valve for can automatically opening and closing, the process of its opening and closing is by the poor control of inner bag 20 inner and outer air pressure.
Particularly, this breather cheek valve can be responded to air pressure in inner bag 20 and extraneous air pressure, and both air pressure is compared.When the air pressure in breather cheek valve senses the inner bag 20 of water heater 100 is less than ambient pressure, instant heating hydrophone 100 may be in blowdown state, now, breather cheek valve can automatically open intake channel 42 so that air inlet pipe 60 to the interior air inlet of inner bag 20, make inner bag 20 inner and outer air pressures keep balance, guarantee the contaminant removal effectiveness of water heater 100.When breather cheek valve senses that inner bag 20 inner and outer air pressures are poor, equate or when inner bag 20 internal gas pressures are greater than ambient pressure, breather cheek valve is in closed condition, ambient atmos can not enter in inner bag 20 again.
Thus, by this breather cheek valve is set, can automatically control the opening and closing of intake channel 42, without manual operation, further simplify the control procedure of water heater 100.
According to one embodiment of present invention, air inlet pipe 60 is integrally formed with water inlet pipe 40.Thus, not only structural stability is strong for the water inlet pipe 40 of this structure and air inlet pipe 60, and convenient formation, and preparation cost is cheap, and can further simplify its assembling process in inner bag 20, improves efficiency of assembling.
With similar in the interior structure that air inlet pipe 60 is set of water inlet pipe 40 in above-described embodiment, according to one embodiment of present invention, water heater 100 also comprises: blast pipe 70, blast pipe 70 is located in drainpipe 50, the lower end of blast pipe 70 and extraneous conducting, in blast pipe 70, be formed with exhaust channel 52, blast pipe 70 stretches between the periphery wall of the part in drainpipe 50 and the internal perisporium of drainpipe 50 and limits drainage channel 51.
In other words, drainpipe 50 is interior be also provided with in addition one with inner bag 20 inside and outside the blast pipe 70 of conductings, at least a portion of blast pipe 70 stretches in drainpipe 50, the lower end of drainpipe 50 and cross current, the lower end of blast pipe 70 and extraneous conducting, the path of blast pipe 70 interior formation is exhaust channel 52, and it is drainage channel 51 that blast pipe 70 stretches into the path limiting between the periphery wall of the part in drainpipe 50 and the internal perisporium of drainpipe 50.
Thus, the drainpipe 50 of this structure is rational in infrastructure with blast pipe 70, by the drainage channel 51 and the exhaust channel 52 that independently arrange, can discharge separately gas or the water in inner bag 20, and blast pipe 70 is located in drainpipe 50, without offering installing hole in addition on inner bag 20, simplify assembling process, reduced preparation cost.
When water heater 100 is after blowdown completes, during to the interior water inlet of inner bag 20, the gas that need to discharge in inner bag 20 by exhaust channel 52, in order to guarantee water heater 100, in water inlet process, only can discharge the gas in inner bag 20, and can not discharge water, alternatively, according to one embodiment of present invention, the roof setting of the contiguous inner bag 20 in the upper end of blast pipe 70.Thus, the upper end of exhaust channel 52 is located at the highest point of inner bag 20 inwalls, water heater 100 is in water inlet process, gas in inner bag 20 is discharged from this exhaust channel 52, can will in inner bag 20, lower than the gas of exhaust channel 52 upper end positions, all discharge, thereby make can fill with water in inner bag 20, guarantee the moisture storage capacity of inner bag 20.
Preferably, according to one embodiment of present invention, the lower end of exhaust channel 52 is provided with the one-way exhaust valve (not shown) that can open and close exhaust channel 52.Further, one-way exhaust valve is air pressure valve, and one-way exhaust valve is formed at when inner bag 20 internal gas pressures are greater than ambient pressure and opens.
Particularly, this one-way exhaust valve can be responded to air pressure in inner bag 20 and extraneous air pressure, and both air pressure is compared.When the air pressure in one-way exhaust valve senses the inner bag 20 of water heater 100 is greater than ambient pressure, instant heating hydrophone 100 may be in water inlet state, now, one-way exhaust valve can automatically open exhaust channel 52 so that the outside exhaust of inner bag 20, make inner bag 20 inner and outer air pressures keep balance, guarantee the water inlet efficiency of water heater 100.When one-way exhaust valve senses that inner bag 20 inner and outer air pressures are poor, equate or when inner bag 20 internal gas pressures are less than ambient pressure, one-way exhaust valve is in closed condition, the gas in inner bag 20 can not be discharged.
Thus, by this one-way exhaust valve is set, can automatically control the opening and closing of exhaust channel 52, without manual operation, further simplify the control procedure of water heater 100.
According to other formations of the water heater 100 of the embodiment of the present invention and operation, be all known for those of ordinary skills, be not described in detail here.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.
Claims (10)
1. a water heater, is characterized in that, comprising:
Housing;
Inner bag, described inner bag is arranged in described housing;
Blow-off pipe, described blow-off pipe is located in described inner bag; And
Water inlet pipe and drainpipe, described water inlet pipe and drainpipe are arranged on respectively in described inner bag and lower end and the extraneous conducting of described water inlet pipe and drainpipe, wherein, in described water inlet pipe, be provided with to the water inlet path of intaking in described inner bag with to the intake channel of air inlet in described inner bag, in described drainpipe, be provided with the drainage channel of draining outside described inner bag and the exhaust channel of exhaust outside described inner bag.
2. water heater according to claim 1, it is characterized in that, also comprise: air inlet pipe, described air inlet pipe is located in described water inlet pipe, the lower end of described air inlet pipe and extraneous conducting, in described air inlet pipe, be formed with described intake channel, described air inlet pipe stretches into and between the periphery wall of the part in described water inlet pipe and the internal perisporium of described water inlet pipe, limits described water inlet path.
3. water heater according to claim 2, is characterized in that, the roof setting of the contiguous described inner bag in upper end of described air inlet pipe.
4. water heater according to claim 2, is characterized in that, the lower end of described air inlet pipe is provided with the breather cheek valve that can open and close described intake channel.
5. water heater according to claim 4, is characterized in that, described breather cheek valve is air pressure valve, and described breather cheek valve is formed at when described inner bag internal gas pressure is less than ambient pressure and opens.
6. according to the water heater described in any one in claim 2-5, it is characterized in that, described air inlet pipe and described water inlet pipe are integrally formed.
7. water heater according to claim 1, it is characterized in that, also comprise: blast pipe, described blast pipe is located in described drainpipe, the lower end of described blast pipe and extraneous conducting, in described blast pipe, be formed with described exhaust channel, described blast pipe stretches between the periphery wall of the part in described drainpipe and the internal perisporium of described drainpipe and limits described drainage channel.
8. water heater according to claim 6, is characterized in that, the roof setting of the contiguous described inner bag in upper end of described blast pipe.
9. water heater according to claim 6, is characterized in that, the lower end of described blast pipe is provided with the one-way exhaust valve that can open and close described exhaust channel.
10. water heater according to claim 9, is characterized in that, described one-way exhaust valve is air pressure valve, and described one-way exhaust valve is formed at when described inner bag internal gas pressure is greater than described ambient pressure and opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007170.2A CN104110832A (en) | 2014-01-07 | 2014-01-07 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007170.2A CN104110832A (en) | 2014-01-07 | 2014-01-07 | Water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104110832A true CN104110832A (en) | 2014-10-22 |
Family
ID=51707732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410007170.2A Pending CN104110832A (en) | 2014-01-07 | 2014-01-07 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104110832A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225224A (en) * | 2016-05-11 | 2016-12-14 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN108151319A (en) * | 2018-03-16 | 2018-06-12 | 芜湖美的厨卫电器制造有限公司 | Discharging device and electric heater |
Citations (8)
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| CN2184892Y (en) * | 1994-01-21 | 1994-12-07 | 浙江省电力工业局 | Power saving energy storage type water heater |
| CN2445243Y (en) * | 2000-10-11 | 2001-08-29 | 李让君 | Device for water supplying by three-hole water-storage electric water heater when water cut-off |
| CN2467957Y (en) * | 2001-01-09 | 2001-12-26 | 陈争生 | Positive displacement electric water heater |
| JP2003287281A (en) * | 2002-03-27 | 2003-10-10 | Toto Ltd | Electric water heater |
| CN101055118A (en) * | 2007-05-11 | 2007-10-17 | 海尔集团公司 | Electric water heater top layer heating method and quick electric water heater |
| CN101153746A (en) * | 2006-09-26 | 2008-04-02 | 海尔集团公司 | Water heater |
| CN102183100A (en) * | 2011-05-06 | 2011-09-14 | 广东威博电器有限公司 | Rapid electric auxiliary heating device for solar water heater |
| CN204063604U (en) * | 2014-01-07 | 2014-12-31 | 芜湖美的厨卫电器制造有限公司 | Water heater |
-
2014
- 2014-01-07 CN CN201410007170.2A patent/CN104110832A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184892Y (en) * | 1994-01-21 | 1994-12-07 | 浙江省电力工业局 | Power saving energy storage type water heater |
| CN2445243Y (en) * | 2000-10-11 | 2001-08-29 | 李让君 | Device for water supplying by three-hole water-storage electric water heater when water cut-off |
| CN2467957Y (en) * | 2001-01-09 | 2001-12-26 | 陈争生 | Positive displacement electric water heater |
| JP2003287281A (en) * | 2002-03-27 | 2003-10-10 | Toto Ltd | Electric water heater |
| CN101153746A (en) * | 2006-09-26 | 2008-04-02 | 海尔集团公司 | Water heater |
| CN101055118A (en) * | 2007-05-11 | 2007-10-17 | 海尔集团公司 | Electric water heater top layer heating method and quick electric water heater |
| CN102183100A (en) * | 2011-05-06 | 2011-09-14 | 广东威博电器有限公司 | Rapid electric auxiliary heating device for solar water heater |
| CN204063604U (en) * | 2014-01-07 | 2014-12-31 | 芜湖美的厨卫电器制造有限公司 | Water heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225224A (en) * | 2016-05-11 | 2016-12-14 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN108151319A (en) * | 2018-03-16 | 2018-06-12 | 芜湖美的厨卫电器制造有限公司 | Discharging device and electric heater |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141022 |