CN108413075A - Water mixing valve and faucet type electric water and its control method - Google Patents
Water mixing valve and faucet type electric water and its control method Download PDFInfo
- Publication number
- CN108413075A CN108413075A CN201810194876.2A CN201810194876A CN108413075A CN 108413075 A CN108413075 A CN 108413075A CN 201810194876 A CN201810194876 A CN 201810194876A CN 108413075 A CN108413075 A CN 108413075A
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- Prior art keywords
- water
- heater
- mixing valve
- pressure
- flow
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 240
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008901 benefit Effects 0.000 abstract description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
-
- 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
- F24H9/2028—Continuous-flow heaters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of water mixing valves and faucet type electric water and its control method, advantage is on the stator of water mixing valve to be additionally provided with pressure water hole except inlet opening and apopore, pressure water hole is connected with the installation cavity of pressure sensor for controlling the heater for opening water heater, electric switch valve face is additionally provided on movable plate, electric switch valve face triggers the heater that pressure sensor control closes the heater of electric heater or is used to open pressure water hole triggering pressure sensor control unlatching electric heater in tap stream cold water for covering pressure water hole, namely the unlatching of heater, closing is having appreciable current, to avoid user from wanting to close heater and the case where do not close, to prevent electric heater to be burned, ensure the personal safety of user.
Description
Technical field
The present invention relates to electric heater technical field more particularly to a kind of water mixing valve and faucet type electric water and its controls
Method processed.
Background technology
Existing faucet type electric water or instant electric water heater can directly be installed on water pipe, and heating is fast
Prompt, time saving power saving, and it is cheap, liked by users, especially pursues material benefit, easily the elderly.Tap
Formula electric heater is equipped with water mixing valve for adjusting water temperature.Existing water mixing valve is set there are two types of direction of rotation, and a kind of direction of rotation is cold
Water flow becomes larger, and another direction of rotation hot water flow becomes larger, intermediate then closed for water mixing valve, namely in
Between water flow it is smaller.It is equipped with stator and movable plate in the valve body of this water mixing valve, stator is equipped with inlet opening, hot water water hole and cold
Water water hole, movable plate are equipped with water passage.In cold water opening direction rotary course, water passage crosses water with inlet opening and cold water
Hole is connected to, and is connected to area and is incrementally increased；In cold water closing direction rotary course, water passage and inlet opening and cold water water hole
Connection, and be connected to area and gradually reduce.In hot water opening direction rotary course, water passage connects with inlet opening and hot water water hole
Logical, connection area incrementally increases and hot water temperature reduces；In hot water closing direction rotary course, water passage and inlet opening and heat
Water water hole is connected to, and connection area gradually reduces and hot water temperature is stepped up.
This water mixing valve in hot water shutoff operation, rotate to flow it is small and when not turning to centre, heater is not
There are closing, user to be only considered drainage, but it is close to may result in since heater power is bigger, after a period of time heating chamber
Envelope fails and leak, even can cause to leak electricity sometimes, harm the personal safety of user, it would be highly desirable to improve.
Invention content
Technical problem to be solved by the invention is to provide a kind of water mixing valves and faucet type electric water and its controlling party
The open and close of method, heater is having appreciable current, to avoid user from closing heater error, it is ensured that use
The personal safety at family.
This water mixing valve technical scheme applied to solve the technical problem is：A kind of water mixing valve, valve body is interior to be equipped with stator and moves
Piece, the stator are equipped with inlet opening and apopore, and the movable plate is equipped with water-carrying groove road；The stator is also set by apopore
There is pressure water hole；
The water-carrying groove road is connected and composed by the connecting channel at middle part and its inlet end on both sides and water outlet end；
Be additionally provided with water valve block and electric switch valve face on the movable plate, the connecting channel extracellular water volume valve block, inlet end,
Electric switch valve face and water outlet end are surround successively；
The water valve block is for covering water inlet bore closure tap, in tap stream cold water for adjusting inlet opening
Water, the water in tap stream hot water for adjusting water outlet hole；
The electric switch valve face is closed in tap stream cold water for covering pressure water hole triggering pressure sensor control
The heater of electric heater is used to open the heater that electric heater is opened in triggering pressure sensor control in pressure water hole, in water
Water when tap stream hot water for adjusting inlet opening.
Preferably, the water outlet end tail portion is connected with arc effluent trough；When going out hot water, arc effluent trough and apopore
Connection, for quickly reducing water velocity, to significantly improve water temperature.
As an improvement, the apopore is equipped with limiting block close to its side far from movable plate of the end in pressure water hole；Water temperature
When highest, the tail end of arc effluent trough is connected with the cavity before limiting block to promote hydraulic pressure, and hot water flow is minimum at this time, is water
The 1/4~1/6 of leading maximum flow of water amount.
Compared with prior art, it is on stator to be additionally provided with pressure except inlet opening and apopore the advantages of this water mixing valve
Water hole, pressure water hole are connected for controlling the heater for opening water heater with the installation cavity of pressure sensor, are also set on movable plate
There are electric switch valve face, electric switch valve face to be closed in tap stream cold water for covering pressure water hole triggering pressure sensor control
The heater of electric heater is used to open the heater that electric heater is opened in triggering pressure sensor control in pressure water hole, namely
Unlatching, the closing of heater are having appreciable current, the feelings that do not closed to avoid user from thinking closing heater
Condition, to prevent electric heater to be burned, it is ensured that the personal safety of user.
This faucet type electric water technical scheme applied to solve the technical problem is：A kind of faucet mounted electric hot water
Device, tap are equipped with joint for running water pipe, heating chamber, outlet pipe and water mixing valve；The water mixing valve is above-mentioned water mixing valve, institute
It states inlet opening to be connected to heating chamber, the apopore is connected to outlet pipe；It is additionally provided on tap and adds for controlling unlatching, closing
The installation cavity of the pressure sensor of hot device, the pressure water hole are connected to the installation cavity of pressure sensor；The heating chamber with from
Carry out water pipe head connection.
Compared with prior art, be the advantages of this faucet type electric water on the stator of water mixing valve except inlet opening and
Apopore is additionally provided with pressure water hole, and pressure water hole is connected with the installation cavity of pressure sensor opens water heater for controlling
Heater is additionally provided with electric switch valve face on movable plate, and electric switch valve face is in tap stream cold water for covering the triggering of pressure water hole
Pressure sensor control, which closes the heater of electric heater or is used to open pressure water hole triggering pressure sensor control, opens electricity
Unlatching, the closing of the heater namely heater of water heater are having appreciable current, to avoid user from wanting to close
The case where closing heater and not closing, to prevent electric heater to be burned, it is ensured that the personal safety of user.
The control method of this faucet type electric water is specially used by solving technical problem：A kind of faucet mounted electricity
The control method of water heater, in the rotary course of above-mentioned water mixing valve opening direction, cold water flow was stepped up maximum before this,
Hot water flow is big when continuing to rotarily open heater and water temperature is low, and hot water flow gradually reduces while water temperature in rotation then
Gradually increase, hot water flow minimum and water temperature highest when rotating to bottom；In the rotary course that the water mixing valve is reversely closed, before this
Hot water flow incrementally increases while water temperature gradually reduces, and water flow is big when continuing rotary closing heater and switchs to cold water, then connects
It rotation cold water flow to gradually reduce, water mixing valve is closed when rotating to bottom.
Preferably, when the water mixing valve open state rotates to bottom hot water temperature's highest, water flow is minimum and is maximum
The 1/4~1/6 of water flow.The tail end of arc effluent trough is connected with the cavity before limiting block at this time, inlet opening and water-carrying groove road
Connection area compared to arc effluent trough tail end be connected to the cavity before limiting block area greatly it is more so that hydraulic pressure is
It increases, flushing ability increases, and washes one's face and rinses one's mouth more comfortable.
Compared with prior art, the advantages of control method of this faucet type electric water, is on the stator of water mixing valve
Except inlet opening and apopore are additionally provided with pressure water hole, pressure water hole is connected with the installation cavity of pressure sensor opens for controlling
The heater of water heater is opened, electric switch valve face is additionally provided on movable plate, electric switch valve face is in tap stream cold water for covering pressure
Triggering pressure sensor control in power water hole closes the heater of electric heater or is used to open pressure water hole triggering pressure sensor
The unlatching of the heater namely heater of electric heater is opened in control, closing is having appreciable current, to keep away
Exempt from the case where user wants to close heater and do not close, to prevent electric heater to be burned, it is ensured that the personal safety of user.
Description of the drawings
Fig. 1 is the explosive view of the present invention.
Fig. 2 is the front view of the stator of the present invention.
Fig. 3 is the rearview of the stator of the present invention.
Fig. 4 is the rearview of the movable plate of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
The present invention is a kind of water mixing valve of faucet type electric water, including valve body 1, valve rod 2,3 and of valve deck as shown in Figure 1
The stator 4 and movable plate 5 being arranged in valve body 1.Stator 4 is equipped with inlet opening 41 and apopore 42 and apopore as shown in Figures 2 and 3
The pressure water hole 43 on 42 sides.Movable plate 5 is as shown in figure 4, be equipped with water-carrying groove road 51, water-carrying groove road 51 is in slanting ' M ' shape by middle part
Connecting channel 511 and its inlet end 512 and water outlet end 513 on both sides connect and compose, water valve block is additionally provided on movable plate 5
52 and electric switch valve face 53.Water valve block 52, for covering inlet opening 41, is used when closing tap in tap stream cold water
In covering part inlet opening 41 to adjust the water of inlet opening 41, in tap stream hot water for covering part apopore 42 with
The water in adjusting water outlet hole 42.Electric switch valve block 53 triggers pressure in tap stream cold water for all covering pressure water hole 43
Sensor control, which closes the heater of electric heater or is used to open pressure water hole 43, triggers pressure sensor control unlatching electric heating
The heater of hydrophone, in tap stream hot water for covering part inlet opening 41 to adjust the water of inlet opening 41.Link slot
511 extracellular water volume valve block 52 of road, inlet end 512, electric switch valve face 53 and water outlet end 513 are surround successively.In other words heat
The opening and closing of device are having appreciable current to occur at present, the feelings that do not closed to avoid the occurrence of user's closing heater
Condition.
In addition, being fast lifting water temperature, 513 tail portion of water outlet end is connected with arc effluent trough 514, when going out hot water, arc
Effluent trough 514 is connected to apopore 42, and since the connection area of arc effluent trough 514 and apopore 42 reduces, water flow is apparent
It reduces, water temperature is obviously improved.Further, apopore 42 is equipped with its side far from movable plate 5 close to the end in pressure water hole 43
Limiting block 44；When water temperature highest, the tail end of arc effluent trough 514 is connected with the cavity before limiting block 44, at this time inlet opening 41
The tail end of arc effluent trough 514 is connected to big more of area with cavity before limiting block 44 compared with the connection area in water-carrying groove road 51,
So that hydraulic pressure is increased, flushing ability increases, and washes one's face and rinses one's mouth more comfortable.
A kind of faucet type electric water, tap are equipped with joint for running water pipe, heating chamber, outlet pipe and water mixing valve,
Water mixing valve is above-mentioned water mixing valve, and inlet opening 41 is connected to heating chamber, and apopore 42 is connected to outlet pipe；It is additionally provided on tap
Installation cavity for controlling the pressure sensor for opening, closing heater, pressure water hole 43 and the installation cavity of pressure sensor connect
It is logical；Heating chamber is connected to joint for running water pipe.
The control method of above-mentioned faucet type electric water is specially：In the rotary course of water mixing valve opening direction, first
It is that cold water flow is stepped up maximum, water flow is big when continuing to rotarily open heater and hot water temperature is low, in rotation then
Water flow gradually reduces in turning while water temperature gradually increases, water flow minimum and hot water temperature's highest when rotating to bottom；Water mixing valve
In the rotary course reversely closed, water flow incrementally increases before this while hot water temperature gradually reduces, and continues rotary closing heating
Water flow is big when device and switchs to cold water, is gradually reduced followed by rotation cold water flow, water mixing valve is closed when rotating to bottom.Wherein,
When water mixing valve is closed, water valve block 52 closes inlet opening 41, and protrusion is connected with pressure water hole 43 in inlet end 512, is discharged
Protrusion is connected with apopore 42 on mouth end 513, bleeds off water all in valve；When the small flow of cold water, 512 times protrusions of inlet end
It is connected with inlet opening 41,53 confining pressure water hole 43 of electric switch valve face, 513 middle and upper part of water outlet end is connected with apopore 42
It is logical；When cold water big flow, 512 times protrusions of inlet end and middle part are connected with inlet opening 41, and electric switch valve face 53 is still closed
Pressure water hole 43,513 middle part of water outlet end and lower protrusion are connected with apopore 42；When hot water big flow low temperature, inlet end
512 middle and lower parts are connected with inlet opening 41, and protrusion is connected to pressure water hole 43 on water outlet end 513,513 times protrusions of water outlet end
It is connected to respectively with apopore 42 with 514 top of arc effluent trough；When the small flow high temperature of hot water, 512 middle part of inlet end and upper prominent
Portion is connected to inlet opening 41, and 513 middle part of water outlet end is connected to pressure water hole 43, and arc effluent trough 514 is connected to apopore 42.
Herein, when water mixing valve open state rotates to bottom hot water temperature's highest, 51 connecting channel of water passage 511 on movable plate 5
Protrusion be connected to the inlet opening 41 on stator 4 respectively on point upper protrusion and inlet end 512, the tail end of arc effluent trough 514 and
Cavity before limiting block 44 is connected, and hot water flow is minimum and is the 1/4~1/6 of tap maximum flow of water amount.
Claims (6)
1. a kind of water mixing valve, be equipped with stator (4) and movable plate (5) in valve body (1), the stator (4) equipped with inlet opening (41) and
Apopore (42), the movable plate (5) are equipped with water-carrying groove road (51)；It is characterized in that：The stator (4) is other in apopore (42)
It is additionally provided with pressure water hole (43)；
The water-carrying groove road (51) is by the connecting channel (511) at middle part and its inlet end (512) and water outlet end on both sides
(513) it connects and composes；
The movable plate (5) is equipped with water valve block (52) and electric switch valve face (53), the water valve block (52), inlet end
(512), electric switch valve face (53) and water outlet end (513) are surround successively by connecting channel (511)；The water valve block (52)
Tap is closed for covering inlet opening (41), the water in tap stream cold water for adjusting inlet opening (41), in the fire hose
The water of adjusting water outlet hole (42) is used for when head stream hot water；
The electric switch valve face (53) is in tap stream cold water for covering pressure water hole (43) triggering pressure sensor control
It closes the heater of electric heater or is used to open pressure water hole (43) triggering pressure sensor control and open adding for electric heater
Hot device, the water in tap stream hot water for adjusting inlet opening (41).
2. water mixing valve according to claim 1, it is characterised in that：The tail portion of the water outlet end (513) is discharged for arc
Slot (514).
3. water mixing valve according to claim 2, it is characterised in that：End of the apopore (42) close to pressure water hole (43)
Its side far from movable plate (5) of portion is equipped with limiting block (44).
4. a kind of faucet type electric water, tap is equipped with joint for running water pipe, heating chamber, outlet pipe and water mixing valve,
It is characterized in that, the water mixing valve is claims 1 to 3 any one of them water mixing valve, and the inlet opening (41) connects with heating chamber
Logical, the apopore (42) is connected to outlet pipe；It is additionally provided on tap for controlling the pressure sensing for opening, closing heater
The installation cavity of device, the pressure water hole (43) are connected to the installation cavity of pressure sensor；The heating chamber and joint for running water pipe
Connection.
5. a kind of control method of faucet type electric water, it is characterised in that：It is being mixed as described in any one of claims 1 to 3
In the rotary course of water valve opening direction, cold water flow was stepped up maximum before this, hot water when continuing to rotarily open heater
Flow is big and water temperature is low, and hot water flow gradually reduces in rotation then while water temperature gradually increases, hot water when rotating to bottom
Flow minimum and water temperature highest；In the rotary course that the water mixing valve is reversely closed, hot water flow incrementally increased while water before this
Temperature gradually reduces, and water flow is big when continuing rotary closing heater and switchs to cold water, is gradually reduced followed by rotation cold water flow,
Water mixing valve is closed when rotating to bottom.
6. the control method of faucet type electric water according to claim 5, it is characterised in that：The water mixing valve is opened
Hot water flow is minimum when state rotates to bottom, and is the 1/4~1/6 of tap maximum flow of water amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194876.2A CN108413075B (en) | 2018-03-09 | 2018-03-09 | Water mixing valve and tap type electric water heater and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194876.2A CN108413075B (en) | 2018-03-09 | 2018-03-09 | Water mixing valve and tap type electric water heater and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108413075A true CN108413075A (en) | 2018-08-17 |
| CN108413075B CN108413075B (en) | 2024-10-29 |
Family
ID=63130882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194876.2A Active CN108413075B (en) | 2018-03-09 | 2018-03-09 | Water mixing valve and tap type electric water heater and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413075B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB705173A (en) * | 1951-01-19 | 1954-03-10 | Hans Vaillant | Improvements in gas water heaters |
| JP2004076860A (en) * | 2002-08-19 | 2004-03-11 | Toto Ltd | Disk type valve |
| CN200952584Y (en) * | 2006-05-09 | 2007-09-26 | 徐多敏 | Electric heating tap |
| CN102252133A (en) * | 2011-07-13 | 2011-11-23 | 莆田市清华园电器发展有限公司 | Valve and electric heating device using same |
| CN202266742U (en) * | 2011-09-30 | 2012-06-06 | 陈睿 | Instant-heating faucet |
| CN202580280U (en) * | 2012-03-03 | 2012-12-05 | 吴光敏 | Safe electric heater device for water tap |
| WO2016082747A1 (en) * | 2014-11-24 | 2016-06-02 | 马闻亏 | Valve core for water temperature regulating valve |
| CN105673887A (en) * | 2016-04-21 | 2016-06-15 | 宁波市鄞州迅腾电器有限公司 | Electric heating faucet |
| CN106763846A (en) * | 2016-12-15 | 2017-05-31 | 陈非 | A kind of control valve and its method of work for electric heating faucet |
| CN206723503U (en) * | 2017-04-26 | 2017-12-08 | 宁波市赛立特阀芯科技有限公司 | Water mixing valve |
| CN206738616U (en) * | 2017-05-12 | 2017-12-12 | 杭州桐庐科艺科技有限公司 | Pressure-bearing type controls electric hot water tap |
| CN207906510U (en) * | 2018-03-09 | 2018-09-25 | 宁波市赛立特阀芯科技有限公司 | Water mixing valve and faucet type electric water |
-
2018
- 2018-03-09 CN CN201810194876.2A patent/CN108413075B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB705173A (en) * | 1951-01-19 | 1954-03-10 | Hans Vaillant | Improvements in gas water heaters |
| JP2004076860A (en) * | 2002-08-19 | 2004-03-11 | Toto Ltd | Disk type valve |
| CN200952584Y (en) * | 2006-05-09 | 2007-09-26 | 徐多敏 | Electric heating tap |
| CN102252133A (en) * | 2011-07-13 | 2011-11-23 | 莆田市清华园电器发展有限公司 | Valve and electric heating device using same |
| CN202266742U (en) * | 2011-09-30 | 2012-06-06 | 陈睿 | Instant-heating faucet |
| CN202580280U (en) * | 2012-03-03 | 2012-12-05 | 吴光敏 | Safe electric heater device for water tap |
| WO2016082747A1 (en) * | 2014-11-24 | 2016-06-02 | 马闻亏 | Valve core for water temperature regulating valve |
| CN105673887A (en) * | 2016-04-21 | 2016-06-15 | 宁波市鄞州迅腾电器有限公司 | Electric heating faucet |
| CN106763846A (en) * | 2016-12-15 | 2017-05-31 | 陈非 | A kind of control valve and its method of work for electric heating faucet |
| CN206723503U (en) * | 2017-04-26 | 2017-12-08 | 宁波市赛立特阀芯科技有限公司 | Water mixing valve |
| CN206738616U (en) * | 2017-05-12 | 2017-12-12 | 杭州桐庐科艺科技有限公司 | Pressure-bearing type controls electric hot water tap |
| CN207906510U (en) * | 2018-03-09 | 2018-09-25 | 宁波市赛立特阀芯科技有限公司 | Water mixing valve and faucet type electric water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108413075B (en) | 2024-10-29 |
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Effective date of registration: 20240511 Address after: 518000 909, Building 49, No. 3, Queshan Yunfeng Road, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong Applicant after: Shenzhen Morning Intellectual Property Operations Co.,Ltd. Country or region after: China Address before: 315538 Chen San Village, Chunhu Town, Fenghua District, Ningbo City, Zhejiang Province Applicant before: NINGBO SAILITE VALVE CORE TECHNOLOGY CO.,LTD. Country or region before: China |
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