CN107367055A - Courage multiliner stepping heating water tank in a kind of pressureless energy-saving case - Google Patents
Courage multiliner stepping heating water tank in a kind of pressureless energy-saving case Download PDFInfo
- Publication number
- CN107367055A CN107367055A CN201710694640.0A CN201710694640A CN107367055A CN 107367055 A CN107367055 A CN 107367055A CN 201710694640 A CN201710694640 A CN 201710694640A CN 107367055 A CN107367055 A CN 107367055A
- Authority
- CN
- China
- Prior art keywords
- water
- heating
- attemperater
- inner liner
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000008236 heating water Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000010438 heat treatment Methods 0.000 claims abstract description 81
- 238000009835 boiling Methods 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000000717 retained effect Effects 0.000 claims abstract description 4
- 239000010865 sewage Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000035622 drinking Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000941 bile Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/181—Construction of the tank
- F24H1/182—Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention provides courage multiliner stepping heating water tank in a kind of pressureless energy-saving case, including：Attemperater,Heating inner liner is installed in the attemperater,Heating inner liner lower end is reached on the outside of attemperater,It is retained at the top of heating inner liner in attemperater,Popped one's head in provided with high water tank the attemperater side,Water tank temperature probe is installed on the upside of attemperater,Water inlet is provided with the part that the heating inner liner lower end is stretched out outside attemperater,Successively heating tube,Temperature controller,Inner bag liquid-level probe is provided with the top of the heating inner liner,Inner bag temp probe,Heating inner liner upper end side is provided with boiling water delivery port,Boiling water delivery port is provided with boiling water outlet pipe,Heating inner liner is connected by boiling water outlet pipe with attemperater,The small water courage of the present invention,Large Copacity,Low energy consumption,Flow velocity is steady,Water does not open not water outlet,The temperature inside the box is less than 60 DEG C,Automatic-discharging,Boiling water quality can be ensured,Courage is incubated heat exchange in dual case,Core thermal source 0 is lost,Super long standby time Non-energy-consumption.
Description
Technical field
The present invention relates to technical field of heating, courage multiliner stepping heating water tank in specially a kind of pressureless energy-saving case.
Background technology
With the continuous improvement of people's living standards, water dispenser generally enters each family, traditional energy-conservation drink
Heating tube in water dispenser heating water tank is set using U-shape structure mostly, due to it is small with water engaging surface product and heating effect is relative
It is relatively slow, and worked in the case where having running water pressure and high-temperature high-pressure state, the inner bag life-span is extremely low.Step-type water dispenser refers to frequency conversion type control
System water inlet and warm-up time, using step-by-step movement successively heating technique, no mixing water, the drinking equipment without dry boiling water.It is using electricity
Brain is program control to be ensured only once to seethe with excitement, and Repeat-heating is avoided, so as to improve drinking water quality.As step-type water dispenser is generalized to
The higher public place of crowd density, during meeting a large amount of client's drinking hot waters, these energy-saving drinking machines are found at leisure
Had the following disadvantages in use with step-type water dispenser：1st, mixing water can be produced because water tank internal structure design is unreasonable；2、
Water flow and all smaller with total hot water amount；3rd, leaving water temperature is unstable；4th, easily there is spilling water, heating dry combustion method etc. in heating water tank
Risk；5th, it is long-term unmanned using still heating and thermal insulation, cause substantial amounts of energy consumption to waste；6th, it is quick-fried to there is HTHP in energy-saving type water courage
Risk is split, the aging of electric apparatus part is fast；7th, traditional step-by-step movement heats first belongs to step-by-step movement, after water completely powers off water cooling, again
Heat time is grown, high energy consumption, and heating is slow, the failure of stepping principle, belongs to 2 full water heating, less saves.
The content of the invention
Technical problem solved by the invention in the courage multiliner stepping heating water tank in a kind of pressureless energy-saving case is provided, with
Solve the problems, such as in above-mentioned background technology.
Technical problem solved by the invention is realized using following technical scheme：Courage multiliner in a kind of pressureless energy-saving case
Stepping heating water tank, including：Attemperater, heating inner liner is installed in the attemperater, heating inner liner lower end reaches guarantor
On the outside of reservoir, the half on the heating inner liner top is arranged in attemperater, and insulation is retained at the top of heating inner liner
In water tank, the attemperater side is popped one's head in provided with high water tank, and water tank temperature probe is provided with the upside of attemperater, described to add
Water inlet, successively heating tube, temperature controller, the heating inner liner top are provided with the part that hot inner bag lower end is stretched out outside attemperater
Provided with inner bag liquid-level probe, inner bag temp probe, heating inner liner upper end side is provided with boiling water delivery port, and boiling water delivery port is provided with
Boiling water outlet pipe, heating inner liner are connected by boiling water outlet pipe with attemperater, when anhydrous in heating inner liner, pass through interior bile
Position probe can send the solenoid electric valve opening signal of water inlet, allow it to intake, now heating tube will not work, and work as heating inner liner
When interior water is full, inner bag liquid-level probe can send heating signal control, and successively heating tube heats, and simultaneously closes off the electromagnetism control of water inlet
Valve processed, it is allowed to be heated under 0 pressure, after temperature reaches 100 DEG C, the steam in inner bag can be slow by the delivery port above inner bag
Slow to arrange to attemperater, now inner bag temp probe opens the solenoid electric valve of water inlet, allows its pressure handle by running water
Boiling water is transported to attemperater, while can enter cold water in inner bag, and the temperature in inner bag also decreases, the position of inner bag half
Provided with temperature controller, when temperature is less than 85 degree, temperature detect switch (TDS) closes entering water electromagnetic valve and stops water inlet, while opens heating system
System, now inner bag bottom continues to heat, and after until courage bottom, temperature reaches 100 DEG C, inner bag temp probe sends instruction again to be stopped
Heating, while boiling water is transported to attemperater by the solenoid electric valve for opening water inlet by it using the pressure of running water, is carried out
Insulation.
Outside water supply is transported to the bottom of heating inner liner by water inlet pipe by the water inlet, and the water inlet is connected to defeated
Water pipe, water-supply-pipe are provided with water delivery magnetic valve, and the water-supply-pipe is provided with filter, and water-supply-pipe is connected to municipal administration by filter
Supply water.
The heating inner liner bottom is provided with inner bag sewage draining exit, and water inlet is provided with solenoid electric valve.
Attemperater bottom side is provided with water tank sewage draining exit, opposite side is provided with water outlet of water tank, attemperater upper end
Sewer is led in side provided with water tank overflow mouth, and sewage draining exit is provided with blowdown solenoid electric valve, delivery port connection depotition cock, row
Blow-off pipe is connected with dirty mouth, blowdown solenoid electric valve is arranged on blow-off pipe.
1-N heating inner liner is provided with the attemperater, heating inner liner is uniformly distributed in attemperater.
Compared with disclosed technology, there is advantages below in the present invention：The small water courage of the present invention, Large Copacity, low energy consumption, under
Vertical formula is freely overboard, without cutout, and flow velocity is steady, and water does not open not water outlet, automatic-discharging in the case of the temperature inside the box is less than 60 DEG C, Ke Yibao
Hinder boiling water quality, courage is incubated heat exchange in dual case, and core thermal source 0 is lost, super long standby time Non-energy-consumption.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
In order that technological means, creation characteristic, workflow, application method reached purpose and effect of the present invention are easy to bright
It is white to understand, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
As shown in figure 1, courage multiliner stepping heating water tank in a kind of pressureless energy-saving case, including：Attemperater 1, the guarantor
Heating inner liner 2 is installed, the lower end of heating inner liner 2 reaches the outside of attemperater 1, the top of heating inner liner 2 in reservoir 1
Half is arranged in attemperater 1, and the top of heating inner liner 2 is retained in attemperater 1, and the side of attemperater 1 is set
There is high water tank probe 11, the upside of attemperater 1 is provided with water tank temperature probe 12, and insulation is stretched out in the lower end of heating inner liner 2
Water inlet 24, successively heating tube 23, temperature controller 21 are provided with part outside water tank 1, the top of heating inner liner 2 is provided with interior bile
Position probe 27, inner bag temp probe 28, the upper end side of heating inner liner 2 are provided with boiling water delivery port 26, and boiling water delivery port 26 is provided with
Boiling water outlet pipe 25, heating inner liner 2 are connected by boiling water outlet pipe 25 with attemperater 1, when anhydrous in heating inner liner 2, are led to
The solenoid electric valve opening signal of water inlet 24 can be sent by crossing inner bag liquid-level probe 27, allow it to intake, now heating tube will not work
Make, when water is full in heating inner liner 2, inner bag liquid-level probe 27 can send heating signal control, and successively heating tube 23 heats, simultaneously
The solenoid electric valve of water inlet 24 is closed, allows it to be heated under 0 pressure, after temperature reaches 100 DEG C, some vapor can be by going out
The mouth of a river is drained into attemperater 1, and now inner bag temp probe 28 opens the solenoid electric valve of water inlet 24, allows it to pass through running water
Pressure boiling water is transported to attemperater, while cold water can be entered in inner bag, the temperature in inner bag also decreases, in inner bag
Position has installed temperature controller, when temperature controller detection temperature is less than 85 degree, can close entering water electromagnetic valve automatically, stop to being mended in case
Water, now inner bag bottom continue to heat, after until courage bottom, temperature reaches 100 DEG C, inner bag temp probe 28 sends instruction and stopped again
Only heat, while boiling water is transported to attemperater by the solenoid electric valve for opening water inlet 24 by it using the pressure of running water,
It is incubated.It is repeated several times, until attemperater water is expired.
Outside water supply is transported to the bottom of heating inner liner 2 by water inlet pipe by the water inlet 24, and the water inlet 24 connects
Water-supply-pipe 211 is connected to, water-supply-pipe 211 is provided with water delivery magnetic valve 29, and the water-supply-pipe 211 is provided with filter 210, water-supply-pipe
211 are connected to municipal water supply by filter 210.
The bottom of heating inner liner 2 is provided with inner bag sewage draining exit 22, and water inlet 24, inner bag sewage draining exit 22 are provided with Electromagnetic Control
Valve.
The bottom side of attemperater 1 is provided with water tank sewage draining exit 14, opposite side is provided with water outlet of water tank 15, attemperater
1 upper end side is provided with water tank overflow mouth 13, and sewage draining exit 14 is provided with blowdown solenoid electric valve 16, delivery port 15 connects out the fire hose
Head, on sewage draining exit 14 on be connected with blow-off pipe 17, blowdown solenoid electric valve 16 is arranged on blow-off pipe 17.
1-N heating inner liner 2 is provided with the attemperater 1, heating inner liner 2 is uniformly distributed in attemperater 1.
The present invention will not influence the temperature in water tank in inner bag moisturizing because entering cold water, at water courage bottom 1/2nd
It is to design outside water tank, inner bag design bottom water inlet, successively mode of heating, is always ensured that at the top of water courage in water tank it is 100 DEG C
, so without thermal losses, after being repeated several times, until Water in Water Tank is expired, now the high level signal of water tank, which is sent, closes into water power
Magnet valve, heating system is simultaneously closed off, be all 100 DEG C of boiling water in water tank and water courage now, due to having heating system in inner bag,
When stopping heating, heating tube also has residual temperature, has the heating of 1 to 2 degree, is that 100 DEG C of boiling water progress are inner container insulated outside water courage, makes
Almost 0 loss within the regular hour of its inner bag temperature, when water tank temperature reduces, high temperature will discharge conversion feedwater in inner bag
Case, its water tank temperature is set to remain at more than 95 DEG C.After water dispenser power-off exceedes certain time, the temperature inside the box probe detection
Water the temperature inside the box the water in system meeting automatic-discharging water tank, carries out reheating moisturizing, ensures that water quality is fresh, carry less than 60 DEG C
High firing rate, a large amount of electric energy and reheating will not be consumed because there is substantial amounts of warm water in water tank.
The present invention is designed the heater of courage in case, walked by inner bag using the combination for saving water courage and step-by-step movement water tank
Enter heating, then be sent to by hydraulic pressure in attemperater, attemperater plays insulation effect to case inner water bladder simultaneously, intercourses heat
Can, water courage heating frequency is reduced, boiling water is reduced and heats repeatedly and reach the requirement of the bold capacity of small water, while reached energy-saving
The purpose of electricity.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the present invention by appended claims and
Its equivalent thereof.
Claims (5)
1. courage multiliner stepping heating water tank in a kind of pressureless energy-saving case, including：Attemperater, it is characterised in that：The insulation
Heating inner liner is installed in water tank, heating inner liner lower end is reached on the outside of attemperater, the heating inner liner top two/
One is arranged in attemperater, is retained at the top of heating inner liner in attemperater, the attemperater side is provided with high water tank
Probe, attemperater upside are provided with water tank temperature probe, set in the part that the heating inner liner lower end is stretched out outside attemperater
There are water inlet, successively heating tube, temperature controller, inner bag liquid-level probe, inner bag temp probe, heating are provided with the top of the heating inner liner
Inner bag upper end side is provided with boiling water delivery port, and boiling water delivery port is provided with boiling water outlet pipe, and heating inner liner passes through boiling water outlet pipe
Connected with attemperater, when anhydrous in heating inner liner, the solenoid electric valve that water inlet can be sent by inner bag liquid-level probe is beaten
ON signal, it is allowed to intake, now heating tube will not work, and when water is full in heating inner liner, inner bag liquid-level probe can send heating
Successively heating tube heats for signal control, simultaneously closes off the solenoid electric valve of water inlet, allows it to be heated under 0 pressure, when temperature reaches
To after 100 DEG C, inner bag temp probe opens the solenoid electric valve of water inlet, allows it that boiling water is transported to by the pressure of running water
Attemperater, while cold water can be entered in inner bag, the temperature in inner bag also decreases, and now inner bag bottom continues to heat, directly
After reaching 100 DEG C to courage bottom temperature, inner bag temp probe sends instruction and stops heating again, while opens the electromagnetism control of water inlet
Boiling water is transported to attemperater by valve processed again by it using the pressure of running water, is incubated, is repeated several times, until Water in Water Tank
It is full.
2. courage multiliner stepping heating water tank in a kind of pressureless energy-saving case according to claim 1, it is characterised in that：It is described
Outside water supply is transported to the bottom of heating inner liner by water inlet pipe by water inlet, and the water inlet is connected to water-supply-pipe, water-supply-pipe
Water delivery magnetic valve is provided with, the water-supply-pipe is provided with filter, and water-supply-pipe is connected to municipal water supply by filter.
3. courage multiliner stepping heating water tank in a kind of pressureless energy-saving case according to claim 1, it is characterised in that：It is described
Heating inner liner bottom is provided with inner bag sewage draining exit, and water inlet, inner bag water inlet are provided with solenoid electric valve.
4. courage multiliner stepping heating water tank in a kind of pressureless energy-saving case according to claim 1, it is characterised in that：It is described
Attemperater bottom side is provided with water tank sewage draining exit, opposite side is provided with water outlet of water tank, and attemperater upper end side is provided with water tank
Overfall leads to sewer, and sewage draining exit is provided with blowdown solenoid electric valve, delivery port connection depotition cock, above connected on sewage draining exit
There is blow-off pipe, blowdown solenoid electric valve is arranged on blow-off pipe.
5. courage multiliner stepping heating water tank in a kind of pressureless energy-saving case according to claim 1, it is characterised in that：It is described
1-N heating inner liner is provided with attemperater, heating inner liner is uniformly distributed in attemperater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710694640.0A CN107367055A (en) | 2017-08-15 | 2017-08-15 | Courage multiliner stepping heating water tank in a kind of pressureless energy-saving case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710694640.0A CN107367055A (en) | 2017-08-15 | 2017-08-15 | Courage multiliner stepping heating water tank in a kind of pressureless energy-saving case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107367055A true CN107367055A (en) | 2017-11-21 |
Family
ID=60309565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710694640.0A Pending CN107367055A (en) | 2017-08-15 | 2017-08-15 | Courage multiliner stepping heating water tank in a kind of pressureless energy-saving case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107367055A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109924877A (en) * | 2019-04-25 | 2019-06-25 | 苏州朗丰节能环保设备有限公司 | It is a kind of instant heating type without the big flux energy conservation Hybrid Heating system water dispenser that stops |
| CN114587143A (en) * | 2022-03-30 | 2022-06-07 | 广东顺德永宸节能环保设备制造有限公司 | Water dispenser with dual-core energy-saving structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200994705Y (en) * | 2006-12-27 | 2007-12-26 | 林招玉 | Non-pressure economizing water drinker |
| CN103134171A (en) * | 2011-12-02 | 2013-06-05 | 上海正克电器有限公司 | Water storage type dual mode water heater |
| CN203177438U (en) * | 2013-03-20 | 2013-09-04 | 范贤明 | Stepping type heat storage type energy-saving water boiler |
| CN104154649A (en) * | 2014-08-11 | 2014-11-19 | 南京骏诺电脑开水器制造有限公司 | Stepping type water boiler |
| CN105091332A (en) * | 2015-09-28 | 2015-11-25 | 江苏振宇环保科技有限公司 | Air energy water heater based on container division heating |
| CN204813410U (en) * | 2015-06-29 | 2015-12-02 | 上海滢致节能电器有限公司 | Provide clean drink machine of boiling water and temperature boiling water respectively |
-
2017
- 2017-08-15 CN CN201710694640.0A patent/CN107367055A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200994705Y (en) * | 2006-12-27 | 2007-12-26 | 林招玉 | Non-pressure economizing water drinker |
| CN103134171A (en) * | 2011-12-02 | 2013-06-05 | 上海正克电器有限公司 | Water storage type dual mode water heater |
| CN203177438U (en) * | 2013-03-20 | 2013-09-04 | 范贤明 | Stepping type heat storage type energy-saving water boiler |
| CN104154649A (en) * | 2014-08-11 | 2014-11-19 | 南京骏诺电脑开水器制造有限公司 | Stepping type water boiler |
| CN204813410U (en) * | 2015-06-29 | 2015-12-02 | 上海滢致节能电器有限公司 | Provide clean drink machine of boiling water and temperature boiling water respectively |
| CN105091332A (en) * | 2015-09-28 | 2015-11-25 | 江苏振宇环保科技有限公司 | Air energy water heater based on container division heating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109924877A (en) * | 2019-04-25 | 2019-06-25 | 苏州朗丰节能环保设备有限公司 | It is a kind of instant heating type without the big flux energy conservation Hybrid Heating system water dispenser that stops |
| CN114587143A (en) * | 2022-03-30 | 2022-06-07 | 广东顺德永宸节能环保设备制造有限公司 | Water dispenser with dual-core energy-saving structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171121 |