CN101311590B - Solenoid valve for controlling flow path - Google Patents

Solenoid valve for controlling flow path Download PDF

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Publication number
CN101311590B
CN101311590B CN2007100687767A CN200710068776A CN101311590B CN 101311590 B CN101311590 B CN 101311590B CN 2007100687767 A CN2007100687767 A CN 2007100687767A CN 200710068776 A CN200710068776 A CN 200710068776A CN 101311590 B CN101311590 B CN 101311590B
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China
Prior art keywords
valve
flow path
check valve
controlling flow
solenoid valve
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CN2007100687767A
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CN101311590A (en
Inventor
陈斌
胡梅宴
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Zhejiang Sanhua Commercial Refrigeration Co ltd
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Zhejiang Sanhua Refrigeration Group Co Ltd
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Abstract

A flow path control electromagnetic valve belongs to a liquid control element. The prior art has the defects like complex structure, large occupied space, high manufacturing cost and a cross flow that possibly occurs between two water sources, etc. The flow path control electromagnetic valve of the invention is provided with two inlets and an outlet communicated with the valve cavity of a valve body part. The invention is characterized in that two check valve openings are arranged in the valve cavity; check valve plugs are arranged on the two check valve openings. One valve of the invention is provided with two inlets and one outlet, so as to have the advantages of simple structure, small volume, convenient and reliable use and operation; besides, a reverse impact or cross flow with another flow path can not occur when any flow path is accessed.

Description

Solenoid valve for controlling flow path
Technical field
The invention belongs to the control unit in a kind of fluid flowing path, can be used for the switching of liquid or gas flow path and close, can be used for carrying out in the automatic ice maker of refrigerator selection and the control in water route specifically, also can be used in the drinking machine switching on control water supply road, different water source, particularly can be used for ice making machine pf refrigerator or drinking machine and be used for the switching between tap water and the barreled drinking water or close.
Background technique
Along with the raising of people's living standard and the development of refrigerator technology, in refrigerator, be provided with on the main product of the technology trend that ice making machine has become a commonplace application, particularly high-end refrigerator and all be provided with automatic ice making machine.
Existing such ice making machine pf refrigerator has plenty of the tap water of employing as ice making water, disposes water inlet system, cleaning system on the refrigerator, ice making and trash ice system etc.The system that has adopts barrelled water as ice making water, because barrelled water does not have pressure, therefore needs the configuration water pump so that barrelled water is flowed to ice making machine.
If but ice making machine requires can to use any of two kinds of water sources and can switch, just need overlap switched system and realize by one.If adopting general solenoid valve to carry out switch switches, can cause the channelling (being a kind of water source flows or the two confluxes and the phenomenon that causes two kinds of water sources to mix to another kind of water source) of water between two kinds of water sources, and adopt a quite complicated system, at least to use the solenoid valve more than two, control the two-way water source respectively, system complex like this, manufacture cost is higher, and can cause the big shortcoming that takes up room.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition be exactly overcome modular construction complexity that prior art exists, take up room big, manufacture cost is high, defective such as channelling may take place between the two-way water source, provide a kind of two to advance a solenoid valve for controlling flow path that outes, to optimize the ice making machine water system.For this reason, the present invention is by the following technical solutions:
Solenoid valve for controlling flow path has two imports, and being connected with the valve pocket of valve body parts is provided with outlet, it is characterized in that being provided with in valve pocket two check valve ports, and these two check valve ports are provided with the check valve plug.
The basic thought of this technological scheme is: utilize two check valve plugs to stop the water source to enter the cutout that valve pocket is realized two imports and outlet from two check valve ports two check valve port shutoff simultaneously, and the current at a water source need be delivered to when exporting, dependence is applied to check valve plug on the corresponding check valve port of pressure at this water source and pushes open and realize that corresponding import is communicated with outlet by this check valve port and valve pocket, simultaneously, another check valve plug prevents channelling with another check valve port shutoff.
As the further of technique scheme improved and replenish, so that such scheme structure, action and function when implementing are more become rationally, the present invention also comprises following additional technical feature:
Described solenoid valve for controlling flow path is characterized in that being provided with the switching valve plug between a described import and the check valve port corresponding with it.General, because two imports connect two kinds of water sources that pressure is different respectively, has certain pressure as tap water, barrelled water does not then have pressure basically, in use, can can be in the state of often opening corresponding to the check valve port of tap water, therefore, between an import and the check valve port corresponding, be provided with and open and close the pressure of valve plug with the control high-pressure water with it.
Described solenoid valve for controlling flow path is characterized in that described switching valve plug controls opening and closing by electromagnetic force.And the purpose of controlling with electromagnetic force is in order to strengthen the convenience of control.
Described check valve is supported with the pressure spring that produces described specific confining force beyond the Great Wall.This structure utilizes spring to have can be overcome and have the mechanical property that produces specific confining force by external force, simple in structure, easy to implement.
Described solenoid valve for controlling flow path is characterized in that described two check valve ports are oppositely arranged.This structure can be so that simple in structure in the valve pocket be beneficial to two check valve plugs is set, and makes the check valve plug move on a rectilinear direction consistent with two check valve ports can to realize switching to two check valve ports, thereby guarantees the flexible and reliability of its action.
The pressure spring of a shared described specific confining force of generation is set between described two check valve plugs, and described two check valve plugs and pressure spring constitute the check valve core assembly.This structure is when guaranteeing check valve plug independence, can also reach auxiliary each other effect by shared pressure spring, promptly when a check valve plug by hydrodynamic pressure when the check valve port of correspondence is pushed open, shared pressure spring promptly is compressed the bigger pressure of generation and is applied to another check valve beyond the Great Wall, make the more reliable shutoff of another check valve plug on another check valve port and this check valve port is closed, so reach the better effect that prevents channelling.
Described solenoid valve for controlling flow path is characterized in that being provided with guide sleeve in the described valve pocket, and described check valve core assembly is positioned at described guide sleeve.This structure is retrained the check valve core assembly to prevent it from departing from the check valve port loses function.
Described solenoid valve for controlling flow path is characterized in that described guide sleeve for the tubular structure that outer circumferentially another check valve port from a check valve port extends, offers opening on its tube wall.Come the flowability at valve pocket of enhance fluid with this, reduce turbulent flow as much as possible and reduce the noise that produces because of turbulent flow.
Described solenoid valve for controlling flow path is characterized in that described check valve port gives prominence in described valve pocket.This structure is so that the check valve core assembly carries out shutoff with it.
Described solenoid valve for controlling flow path is characterized in that described check valve plug made by rubber.Rubber has elastic packing performance preferably, therefore can reach required function preferably.
Described solenoid valve for controlling flow path, it is characterized in that described valve body parts has a receiving cavity of isolating with described valve pocket, a switching valve port that is connected with a described check valve port is set in this receiving cavity, and the shutoff of described switching valve plug opens and closes on the valve port at this.It is simple in structure, and is easy to implement, good reliability.
Described solenoid valve for controlling flow path is characterized in that being communicated with described receiving cavity from side direction with the corresponding relative described switching valve port of an import of this switching valve plug.So that allowing open position that corresponding parts are set is controlled described switching valve plug.
Described solenoid valve for controlling flow path is characterized in that described switching valve plug is arranged on the movable core iron that is positioned at described receiving cavity, is outside equipped with this activity core iron at receiving cavity to cooperate to produce the electromagnetic coil of described electromagnetic force.Whether energising by the control electromagnetic coil is the opening and closing state of may command open and close valve plug.
Described solenoid valve for controlling flow path, it is characterized in that described valve body parts comprises valve seat, is connected to the end cap at valve seat two ends and sleeve pipe, shutoff is at the fixedly core iron of cannula tip, described movable core iron is positioned at sleeve pipe, and described electromagnetic coil is positioned at outside the sleeve pipe.Such structure is convenient to the action of movable core iron so that change the state that opens and closes valve plug, and the electromagnetic field of being convenient to electromagnetic coil simultaneously is applied on the movable core iron.
Described solenoid valve for controlling flow path, it is characterized in that described switching valve plug is by the spacing front end at movable core iron of locked spacer, be supported with preloading spring at the rear side that opens and closes valve plug, rely on the elastic force of preloading spring to be pressed on the switching valve port with the pressure of setting, close high-pressure water opening and closing valve plug; Be supported with the maintenance spring in the rear end of movable core iron, rely on the elastic force that keeps spring movable core iron can be remained on and open and close the position that valve plug is in closed condition, can not need electromagnetic coil is applied electric current saving power this moment.
Described solenoid valve for controlling flow path is characterized in that the described import corresponding with opening and closing valve plug is arranged on the valve seat, and another import is arranged on the described end cap.This structure is convenient to processing and assembling, makes valve body parts simple in structure easy to implement.
Described solenoid valve for controlling flow path is characterized in that described switching valve port gives prominence in described receiving cavity.This structure is carried out shutoff so that open and close valve plug with it.
The invention has the beneficial effects as follows:
According to aforementioned three working staties, realized the purpose that an outlet of two imports is set of the present invention on a valve, substitute original solenoid valve and cross valve with this, required space is installed just can significantly reduce, and install also convenient, the use raw material reduce, and reduced the resource of using and manufacture cost is reduced; Owing to be provided with a check valve core assembly that prevents reverse impact in the valve, can not produce reverse impact or channelling when a stream in office is connected simultaneously, use convenient and reliable operation with another stream; Further, adopt the ice making machine pf refrigerator of above-mentioned solenoid valve for controlling flow path, optimized space and installation, can realize that the convenient of tap water and barrelled water switches, economize on resources, reduce cost, and improve the refrigerator quality.
Description of drawings
Fig. 1 is the sectional structure schematic representation along its central shaft of stream conversion electromagnetic valve of the present invention.
Fig. 2 is the sectional structure schematic representation along its central shaft of the stream conversion electromagnetic valve of structure shown in Figure 1 when omitting coil component.
Among the figure: 1-valve body parts, 2-valve pocket, 3-outlet, 4/5-check valve port, 6-check valve core assembly, the 7/8-import, 9-opens and closes valve plug, the 10-electromagnetic coil, 11-is core iron fixedly, and 12-keeps spring, the movable core iron of 13-, the 14-preloading spring, 15-chamber portion, 16-opens and closes valve port, the 17-locked spacer, 18-next door, 19a/19b-check valve plug, 20-pressure spring, the 21-guide sleeve, 22-downside recess, 23-opening, 24-end cap, the 25-receiving cavity, 26-upside recess, 27-sleeve pipe, 28-valve seat.
Embodiment
With an embodiment the present invention is done specific description below in conjunction with Figure of description.
As shown in Figure 1, 2, this solenoid valve for controlling flow path mainly comprises valve body parts 1, electromagnetic coil 10, check valve core assembly 6 and movable core iron 13, wherein:
Valve body parts 1 is by valve seat 28, end cap 24, sleeve pipe 27, fixedly core iron 11 constitutes, the main body of valve seat 28 is cylindric, from its inward at both ends upper and lower two recesses 26/22 are set respectively, and two recesses 26/22 are separated by the next door 18 of centre, in two recesses 26/22, extend outstanding switching valve port 16 and an outstanding check valve port 4 on the next door 18, on the main body of valve seat 28 to a laterally disposed import 7 that is communicated with the recess 26 of upside and an outlet 3 that is communicated with the recess 22 of downside;
End cap 24 is a member of being convenient to be connected with valve seat 28 (as passing through screw thread), it is connected the oral area of described downside recess 22, thereby valve pocket 2 with described next door 18 formation valve body partss 1, be wholely set another import 8 in the outside of end cap 24, and this import 8 extends to form another check valve port 5 of giving prominence in valve pocket 2 in valve pocket 2, be formed with the tubulose guide sleeve 21 that is used to retrain check valve core assembly 6 that the check valve port 4 to upside extends in the periphery of this check valve port 5, on the tube wall of guide sleeve 21, offer opening 23;
Sleeve pipe 27 is a tubular structure, and (such as welding) oral area at the upside recess 26 of described valve seat 28 is fixed in its lower end, in the top by fixedly core iron 11 shutoff, therefore promptly by fixedly core iron 11, sleeve pipe 27 and described next door 18 form receiving cavity 25; So far, realized that promptly two outside the valve pocket 2 are respectively applied for two imports 7/8 that are communicated with two check valve ports 4/5.
Check valve core assembly 6 is a composite structure, it comprises two check valve plug 19a/19b and places two pressure springs 20 between the check valve plug 19a/19b, when assembling, this check valve core assembly 6 is placed earlier in the guide sleeve 21 of end cap 24, the oral area that again end cap 24 is connected the downside recess 22 of valve seat 28 can make two check valve plug 19a/19b distinguish shutoff on two check valve ports 4/5 with the specific confining force that this pressure spring 20 produces, in order to guarantee the sealability of check valve plug 19a/19b, 19a/19b makes with rubber with the check valve plug.
Movable core iron 13 is a cylindrical component, places in the sleeve pipe 27 and can move up and down, and its front end has a chamber portion 15 to be used to hold switching valve plug 9, is supported with in the rear end of movable core iron 13 to keep spring 12.Open and close valve plug 9 by the mobile control of movable core iron 13 and open and close the positions relation of valve ports 16 relatively and reach the unlatching that opens and closes valve port or close, keep spring 12 that movable core iron 13 is remained near the position that opens and closes valve port 16.
Open and close valve plug 9 and made by rubber, it places in the chamber portion 15 of movable core iron 13 front ends, and spacing by a locked spacer 17, is supported with preloading spring 14 at the rear side that opens and closes valve plug 9.
Electromagnetic coil 10 is an electric elements that input current promptly generates an electromagnetic field, it is installed in the outside of sleeve pipe 27 and corresponding with movable core iron 13, therefore when when electromagnetic coil 10 applies electric current, can generate an electromagnetic field, and movable core iron 13 induction fields are promptly removable.
The solenoid valve for controlling flow path of said structure, the import 7 on right side is connected with the tap water water source in when work, and the import 8 of downside links to each other with barrelled water, and disposes water pump, the current switching state of the switching of control of pump and electromagnetic coil, according to following three kinds of mode operations:
Working state one: water pump cuts out, the electromagnetic coil energising, electromagnetic field effect overcomes the elastic force that keeps spring 12 on movable core iron 13 makes on the activity core iron 13 and moving, opening and closing valve plug 9 leaves switching valve port 16 and will open and close the valve port unlatching, the water source from the beginning of right side import 7 arrives the check valve port 4 of top, according to above stated specification then this import 7 promptly connect with outlet 3, high pressure water source from the beginning flows into valve pockets 2 from right side import 7, flows out by exporting 3; Below import 8 is then closed by check valve core assembly 6, prevents that tap water from scurrying into the barrelled water passage.
Working state two: water pump is opened, the electromagnetic coil outage, do not generate an electromagnetic field, the elastic force that movable core iron 13 is held spring 12 is depressed in the position near switching valve port 16, opening and closing valve plug 9 shutoff will open and close valve port opening and closing on the valve port 16 and close, this moment is opposite with working state one, the check valve port 4 no water source pressure of upside, and the barreled water source makes the check valve port 5 of downside bear bigger hydrodynamic pressure because of the supercharging of water pump, the barreled water source promptly flows into valve pockets 2 because of the supercharging of water pump from the import 8 of downside, flows out by exporting 3; Prevent that simultaneously current from scurrying into the tap water source.
Working state three: the electromagnetic coil outage, water pump also cuts out, and two imports 7/8 at this moment all are in closed condition, and outlet 3 does not have fluid to flow out.
Need to prove, the present invention is not limited to above-mentioned mode of execution, under the guidance of basic thought of the present invention, those of ordinary skill in the art is according to above-mentioned embodiment and be documented in summary of the invention technical measures partly, can realize the present invention equally by alternate manner: such as the position relation of relevant two check valve ports, in previous embodiment, introduced a kind of position relation that is oppositely arranged, and when the reality realization is of the present invention, also two check valve ports can be shifted to install (as its opening direction vertically is provided with), do not influence of the shutoff of two check valve plugs to them, and produce the mode of described specific confining force, can be respectively to the pressure spring of pressure direction of two check valve plugs configurations towards corresponding check valve port; Same, in previous embodiment, introduced a kind of structure of two shared pressure springs of check valve plug, and in the specific implementation, also can be supported on a check valve respectively and can realize the present invention equally beyond the Great Wall with two pressure springs.Do not repeat them here.

Claims (17)

1. solenoid valve for controlling flow path, have two imports (7/8), being connected with the valve pocket (2) of valve body parts (1) is provided with outlet (3), it is characterized in that being provided with in valve pocket (2) two check valve ports (4/5), and these two check valve ports (4/5) are provided with check valve plug (19a/19b); Be provided with between a described import (7) and the check valve port (4) corresponding with it and open and close valve plug (9), and is communicated with this corresponding check valve port (4) and is provided with switching valve port (16), described switching valve plug (9) shutoff opens and closes on the valve port (16) at this.
2. solenoid valve for controlling flow path according to claim 1 is characterized in that described switching valve plug (9) is by electromagnetic force control opening and closing.
3. solenoid valve for controlling flow path according to claim 1 is characterized in that described check valve plug (19a/19b) upper support has the pressure spring that produces specific confining force.
4. solenoid valve for controlling flow path according to claim 3 is characterized in that described two check valve ports (4/5) are oppositely arranged.
5. solenoid valve for controlling flow path according to claim 4, it is characterized in that being provided with between described two check valve plugs (19a/19b) pressure spring (20) of a shared described specific confining force of generation, described two check valve plugs (19a/19b) and pressure spring (20) constitute check valve core assembly (6).
6. solenoid valve for controlling flow path according to claim 5 is characterized in that being provided with guide sleeve (21) in the described valve pocket (2), and described check valve core assembly (6) is positioned at described guide sleeve (21).
7. solenoid valve for controlling flow path according to claim 6 is characterized in that described guide sleeve (21) for the tubular structure that outer circumferentially another check valve port (4) from a check valve port (5) extends, offers opening (23) on its tube wall.
8. according to claim 1,2 or 3 described solenoid valve for controlling flow path, it is characterized in that described check valve port (4/5) gives prominence in described valve pocket (2).
9. according to claim 1,2 or 3 described solenoid valve for controlling flow path, it is characterized in that described check valve plug (19a/19b) made by rubber.
10. according to claim 1,2 or 3 described solenoid valve for controlling flow path, it is characterized in that described two check valve ports (4/5) shift to install.
11. solenoid valve for controlling flow path according to claim 2, it is characterized in that described valve body parts (1) has a receiving cavity (25) of isolating with described valve pocket (2), is provided with a switching valve port (16) that is connected with a described check valve port (4) in this receiving cavity (25).
12. solenoid valve for controlling flow path according to claim 11 is characterized in that being communicated with described receiving cavity (25) from side direction with the corresponding relative described switching valve port of an import (7) (16) of this switching valve plug (9).
13. solenoid valve for controlling flow path according to claim 11, it is characterized in that described switching valve plug (9) is arranged on the movable core iron (13) that is positioned at described receiving cavity (25), be outside equipped with the electromagnetic coil (10) that cooperates with this activity core iron (13) to produce described electromagnetic force at receiving cavity (25).
14. solenoid valve for controlling flow path according to claim 13, it is characterized in that described valve body parts (1) comprises valve seat (28), is connected to the end cap (24) at valve seat (28) two ends and sleeve pipe (27), shutoff is at the fixedly core iron (11) of sleeve pipe (27) end, described movable core iron (13) is positioned at sleeve pipe (27), and described electromagnetic coil (10) is positioned at outside the sleeve pipe (27).
15. solenoid valve for controlling flow path according to claim 14 is characterized in that described switching valve plug (9) by the spacing front end in movable core iron (13) of locked spacer (17), is supported with preloading spring (14) at the rear side that opens and closes valve plug (9); Be supported with maintenance spring (12) in the rear end of movable core iron (13).
16. solenoid valve for controlling flow path according to claim 14 is characterized in that the described import (7) corresponding with opening and closing valve plug (9) is arranged on the valve seat (28), another import (8) is arranged on the described end cap (24).
17. solenoid valve for controlling flow path according to claim 13 is characterized in that described switching valve port (9) gives prominence in described receiving cavity (25).
CN2007100687767A 2007-05-24 2007-05-24 Solenoid valve for controlling flow path Active CN101311590B (en)

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Application Number Priority Date Filing Date Title
CN2007100687767A CN101311590B (en) 2007-05-24 2007-05-24 Solenoid valve for controlling flow path

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Application Number Priority Date Filing Date Title
CN2007100687767A CN101311590B (en) 2007-05-24 2007-05-24 Solenoid valve for controlling flow path

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CN101311590A CN101311590A (en) 2008-11-26
CN101311590B true CN101311590B (en) 2011-03-30

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ600019A (en) * 2009-11-21 2013-09-27 Elbi Int Spa Electromagnetic valve device
TWI586908B (en) * 2016-06-16 2017-06-11 Pneumatic valve mechanism device
CN109972693B (en) * 2019-04-29 2021-04-06 江苏环力科技发展股份有限公司 Water pump suitable for rainwater and running water mixed water supply

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251667A (en) * 1992-10-20 1993-10-12 Emerson Electric Co. Three-way solenoid operated control valve
CN2607484Y (en) * 2003-01-20 2004-03-24 浙江三花股份有限公司 Electromagnetic valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251667A (en) * 1992-10-20 1993-10-12 Emerson Electric Co. Three-way solenoid operated control valve
CN2607484Y (en) * 2003-01-20 2004-03-24 浙江三花股份有限公司 Electromagnetic valve

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Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE Co.,Ltd.

Assignor: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd.

Contract record no.: 2012990000430

Denomination of invention: Solenoid valve for controlling flow path

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Record date: 20120619

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Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE Co.,Ltd.

Assignor: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd.|SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd.

Contract record no.: 2012990000430

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Contract record no.: 2012990000430

Assignor after: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd.

Assignor after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd.

Assignor before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd.

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Address after: 312500 Daming new area, Zhejiang Xinchang Economic Development Zone, Xinchang County, Shaoxing City, Zhejiang Province

Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd.

Address before: 312500 Liquan, Chengguan Town, Xinchang County, Zhejiang Province

Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd.

TR01 Transfer of patent right