CN101050821A - Passage switching valve and refrigerator having the same - Google Patents

Passage switching valve and refrigerator having the same Download PDF

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Publication number
CN101050821A
CN101050821A CNA2006101057765A CN200610105776A CN101050821A CN 101050821 A CN101050821 A CN 101050821A CN A2006101057765 A CNA2006101057765 A CN A2006101057765A CN 200610105776 A CN200610105776 A CN 200610105776A CN 101050821 A CN101050821 A CN 101050821A
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CN
China
Prior art keywords
outlet
switching valve
channel switching
switch part
shut
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
Application number
CNA2006101057765A
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Chinese (zh)
Inventor
孙石俊
李松翼
郑圣基
金大成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN101050821A publication Critical patent/CN101050821A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2511Evaporator distribution valves

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Multiple-Way Valves (AREA)

Abstract

A passage switching valve for maintaining a plurality of outlet ports to be opened and for uniformly distributing a fluid to the outlet ports and a refrigerator employing the same are disclosed. The passage switching valve includes a housing having an inlet port and a plurality of outlet ports, an opening and closing member for opening and closing the outlet ports, and a driving device for operating the opening and closing member. The outlet ports are provided in a lower position than the inlet port. A collecting portion is formed by providing a recess in the bottom portion of the housing such that a fluid can be collected and the outlet ports are formed in the collecting portion.

Description

Channel switching valve and refrigerator with this channel switching valve
Technical field
The present invention relates to a kind of channel switching valve and a kind of refrigerator that uses this channel switching valve, more particularly, relate to a kind of channel switching valve and the refrigerator that uses this channel switching valve that is used for fluid is assigned to equably a plurality of outlets.
Background technique
Usually, channel switching valve generally is used for changing or the coolant channel of switch refrigerator or air-conditioning.For example, when refrigeration agent optionally is fed to the arbitrary vaporizer in the refrigerator that comprises a plurality of vaporizers or is fed to all evaporators, can use channel switching valve.
The open No.2004-4063 of Korean Patent (on January 13rd, 2004 is open) has disclosed a kind of channel switching valve that uses in refrigerator.This channel switching valve comprises capsul and the seat board that is connected with the downside of capsul.This seat board comprises: inlet be imported into by described inlet refrigeration agent, and described inlet is formed in the side of this seat board; And first outlet and second outlet, be discharged from by described first outlet and the second outlet refrigeration agent, described first exports and second exports and be formed in the opposite side of this seat board.Thereby valve body is mounted for by stepper motor rotation switch outlet in first outlet and second outlet.Therefore, any or all of Unscrew two outlets of channel switching valve by valve body or close the whole of two outlets.
Yet, in channel switching valve, when thereby first outlet and second outlet refrigeration agent that is opened flows to two whens outlet, owing to refrigeration agent focuses in the outlet another more than focusing in the outlet one, so refrigeration agent is not assigned to outlet equably.This is because the height of inlet is similar to the height of two outlets, thereby flows to along the internal surface of seat board from inlet when exporting when liquid refrigerant, and some in the liquid refrigerant focus on opposite side more than focusing on a side.
When channel switching valve is installed under the situation of channel switching valve even slight inclination, thereby the difference problem that produces height between the outlet can become serious.
Therefore, flow to first outlet and second outlet equably in order to make refrigeration agent, first outlet and second exports alternately that switch reaches predetermined amount of time, exports and the mean flowrate of second refrigeration agent that exports is equal to each other thereby flow to first.Yet with such method, because for alternately switch first outlet and second outlet, stepper motor will be operated continuously, so energy loss is big and life-span stepper motor can be shortened.
Summary of the invention
Consider that the problems referred to above have developed the present invention, and an aspect of of the present present invention provides a kind of channel switching valve, described channel switching valve is used to keep a plurality of outlets to be opened and is used for equably distributing fluids to outlet, and a kind of refrigerator that uses this channel switching valve is provided.
According on the one hand, the invention provides a kind of channel switching valve, this channel switching valve comprises: the frame with inlet and a plurality of outlets; Be used to open and close the switch part of outlet; With the drive unit that is used for the operating switch parts, its middle outlet is set at the position lower than inlet.
According to a further aspect in the invention, frame comprises the collection part, and wherein said collection part forms so that collect fluid by recess is set in valve plate, and outlet is formed in the collection part.
In addition, switch part comprises shut-off block, and described shut-off block enters collects part with according to closely contact outlet and separate with outlet of rotation, and drive unit comprises stepper motor, and described stepper motor is used for forward and counterrotating switch part.
In addition, switch part has cone shape substantially, and shut-off block, described shut-off block is outstanding closely to contact the internal surface of collecting part from the outer surface of switch part, and described shut-off block is longer than distance between the outlet in the length on the sense of rotation, and the vertical width of described shut-off block is greater than the diameter of outlet.
Outlet is formed on equal height and close to each other being arranged.
The inwall of frame is tilted so that fluid flows to outlet downwards from entering the mouth.
Frame comprises the shell with open underside and is used to close the valve plate of the open underside of shell that wherein entrance and exit is formed in the valve plate.
According on the other hand, the invention provides a kind of refrigerator, described refrigerator comprises a plurality of compartments, is used to cool off a plurality of vaporizers of compartment separately and is used to control to the channel switching valve of supply of the refrigeration agent of vaporizer.Channel switching valve comprises the frame with inlet and a plurality of outlets, the drive unit that is used to open and close the switch part of outlet and is used for the operating switch parts, and its middle outlet is disposed in the position that is lower than inlet.
Description of drawings
To embodiment's following explanation, these and/or others of the present invention and advantage will become obviously and be easier to and understand, wherein from conjunction with the accompanying drawings.
Fig. 1 illustrates the refrigeration unit of the refrigerator of use channel switching valve according to a preferred embodiment of the invention;
Fig. 2 is the sectional view that illustrates channel switching valve according to a first advantageous embodiment of the invention;
Fig. 3 illustrates inlet and first outlet and second outlet of channel switching valve according to a first advantageous embodiment of the invention;
Fig. 4 A is a sectional view along the line IV-IV ' among Fig. 2 to Fig. 4 D, and Fig. 4 A illustrates first outlet and the second opening and closing state that exports to Fig. 4 D;
Fig. 5 is the stereogram that illustrates the switch part of channel switching valve according to a first advantageous embodiment of the invention;
Fig. 6 is the sectional view that illustrates channel switching valve according to a second, preferred embodiment of the present invention;
Fig. 7 is the stereogram that illustrates the switch part of channel switching valve according to a second, preferred embodiment of the present invention; With
Fig. 8 is the sectional view that illustrates according to the channel switching valve of the 3rd preferred embodiment of the present invention.
Embodiment
Now will be in detail with reference to embodiments of the invention, embodiment's example illustrates in the accompanying drawings.By reference description of reference numerals embodiment to explain the present invention.
As shown in fig. 1, use the refrigerator of channel switching valve according to a preferred embodiment of the invention to comprise first compartment (compartment) 1, second compartment 2 and the refrigeration unit, wherein said first compartment 1 and second compartment 2 separate each other, and described refrigeration unit is used to cool off first compartment 1 and second compartment 2.
Refrigeration unit comprises: first vaporizer 3 and second vaporizer 4, described first vaporizer 3 and second vaporizer 4 are respectively applied for cooling first compartment 1 and second compartment 2; Be used to compress compressor 5 through the refrigeration agent of vaporizer 3 and 4; Be used for the condenser 6 of condensation through the refrigeration agent of compressor 5; With channel switching valve 20,, described channel switching valve 20 is supplied to any one of first vaporizer 3 and second vaporizer 4 or all through the refrigeration agent of condenser 6 thereby being used for changing refrigerating channel.Refrigeration unit also comprises and is installed in first pipeline 7 and first capillary tube 9 between the channel switching valve 20 and first vaporizer 3, and is installed in second pipeline 8 and second capillary tube 10 between the channel switching valve 20 and second vaporizer 4.
Thereby refrigeration unit uses any one or all in compartment 1 and compartment 2 any one or all can be cooled of channel switching valve 20 supply refrigeration agents in first vaporizer 3 and second vaporizer 4.
Fig. 2 illustrates channel switching valve according to a first advantageous embodiment of the invention.Channel switching valve 20 comprises the cylinder-like shell 21 with open underside, with the frame (housing) with the valve plate 22 that is connected with the open underside of shell 21.Therefore, the passage transformed space 23 of sealing is formed in the frame.Arrive as shown in Fig. 4 A as Fig. 2, valve plate 22 has inlet 25 and first outlet 26 and second outlet 27, wherein said inlet 25 is formed in the side and refrigeration agent is imported into passage transformed space 23 by described inlet 25, and described first outlet, 26 and second outlet 27 is formed in the opposite side, and refrigeration agent is discharged from by described first outlet, 26 and second outlet 27.First outlet, 26 and second outlet 27 is connected respectively to first pipeline 7 and second pipeline 8 that is used to direct refrigerant to first vaporizer 3 and second vaporizer 4.
Channel switching valve 20 comprises: switch part 30, thus switch part 30 is mounted with rotation and utilizes the rotation of switch part 30 and open or close at least one in 27 of first outlet, 26 and second outlet; The stepper motor 40 that is used for forward and direction rotary switch parts 30; With actuation gear 51 and driven gear 52, described actuation gear 51 and driven gear 52 are installed in the passage transformed space 23 with the rotating speed that reduces stepper motor 40 and the rotating force that transmits stepper motor 4 to switch part 30.
Stepper motor 40 comprises and is mounted with rotor rotated in shell 21 41 and is installed in the coil block 42 of shell 21 outsides.The upside that is used for the axle 43 of support rotor 41 is supported with rotation by shell 21a, and the downside of axle 43 is supported with rotation by valve plate 22.Stepper motor 40 rotors 41 are with operating switch parts 30 when the cooled machine controller (not shown) of power supply is applied to coil block 42.
Actuation gear 51 is connected with the axle 43 of stepper motor 40, and driven gear 52 integrally forms with switch part 30, and wherein said switch part 30 is used to open and close first outlet, 26 and second outlet 27.The switch part 30 that integrally forms with driven gear is supported with rotation by axle 29, and described axle 29 is fixed in valve plate 22.Actuation gear 51 is less than driven gear 52.This is in order to reduce the rotating speed of switch part 30.
As shown in Figure 2, in valve plate 22 inboards that switch part 30 has been installed, thereby by recess is set to form the refrigerant liquid of collecting in the part 60 collection channel transformed spaces 23 in valve plate 22.First outlet, 26 and second outlet 27 is formed on collects in the part 60.In addition, thus preferred first outlet, 26 and second outlet 27 is disposed in and is lower than in inlet 25 the position refrigeration agent and can be easily 25 flows to outlet 26 and 27 from entering the mouth.Yet as long as outlet 26 and 27 is arranged to receive refrigeration agent from collecting part 60, described collection part 60 can be disposed in the position that is higher than inlet 25, and outlet 26 and 27 also can be disposed in the position that is higher than inlet 25.
In addition, thus refrigerant liquid is collected in to collect in the part 60 and flow to outlet 26 and 27 refrigeration agents and can be assigned to equably in the outlet 26 and 27.
Easily collected thereby collection part 60 has the cone shape refrigeration agent, and as shown in Figure 5, be installed in the switch part 30 of collecting part 60 and have cone shape.
As shown in Figure 5, the conical excircle of switch part 30 separates with the inwall of collecting part 60 and is provided with shut-off block 32, thereby described shut-off block 32 is according to closely contact first outlet, 26 and second outlet 27 and separate with first outlet, 26 and second outlet 27 and to open and close first outlet 26 and second and export 27 of the rotation of switch part 30.As shown in Fig. 4 A and Fig. 5, shut-off block 32 is outstanding closely contacting with the inwall of collecting part 60 from the outer surface of switch part 30, and described shut-off block 32 is longer than outlet 26 and is exported distance between 27 in the length on the sense of rotation.In addition, the vertical width of shut-off block 32 is greater than the diameter of outlet 26 and outlet 27.This is to close at least one in first outlet, 26 and second outlet 27 or open the whole of first outlet, 26 and second outlet 27 for shut-off block 32.
Collecting the shape of part 60 can difformity and size forms and described collection part 60 also can be arranged in the position that is higher than inlet.In addition, collect part 60 and also can not be formed in the valve plate 22, and in the case, valve plate 22 can have plat surface, and export 26 and outlet 27 can be formed on shut-off block 32 corresponding simultaneously on the plat surface of valve plate 22 similar in appearance to said structure.And in the case, because outlet is set at the bottom of passage transformed space 23, so refrigeration agent can be distributed equably.
Therefore, as shown in Fig. 4 A, in channel switching valve 20, shut-off block 32 is closed first outlet, 26 and second outlet 27 and is flow to outlet 26 and 27 to stop refrigeration agent in original state, and as shown in Fig. 4 B, thereby switch part 30 rotation shut-off blocks 32 are opened first outlet 26 and are closed second outlet 27 so that refrigeration agent only flows to first outlet 26.In addition, as shown in Fig. 4 C, thereby thereby switch part 30 rotation shut-off blocks 32 are opened whole refrigeration agents of first outlet, 26 and second outlet 27 and are flow to first outlet 26 and second and export 27, and as shown in Fig. 4 D, thereby switch part 30 rotation shut-off blocks 32 are closed first outlet 26 and are opened second outlet 27 so that refrigeration agent only flows to second outlet 27.
In this preferred embodiment, outlet 26 and 27 is lower than inlet 25 and is arranged, and as shown in Fig. 4 C, when first outlet, 26 and second outlet 27 all is opened, can be directed into outlet 26 and 27 along the mobile refrigerant liquid of the inwall of valve plate 22.Therefore, according to the present invention, when outlet 26 and 27 is opened and when keeping stepper motor 40 in halted state, refrigeration agent can be assigned in the outlet 26 and 27 equably.
Specifically, according to the present invention, export 26 and 27 because refrigerant liquid is collected in to collect in the part 60 and flow to, so refrigeration agent can be assigned to more equably in the outlet 26 and 27.For assignment system cryogen equably, preferred first outlet, 26 and second outlet 27 is formed at equal height located adjacent one anotherly.
Simultaneously, though in above-mentioned preferred embodiment, the channel switching valve 20 with two outlets has been described, channel switching valve is not limited to this structure.Channel switching valve according to a preferred embodiment of the invention can have employed three or more outlets in comprising the collection part of three or more vaporizers.In other words, three or more outlet can be formed on and collect in the part to be opened and closed by switch part.
Fig. 6 and Fig. 7 illustrate channel switching valve according to a second, preferred embodiment of the present invention.In second preferred embodiment of the present invention, cylindric collection part 600 is formed in the valve plate 22, and a plurality of outlet 260 and 260 is in the bottom of collecting part 600.Switch part 300 has cylindrical shape, and as shown in Figure 7, downside at switch part 300, in order to open and close outlet 260 and 270, be provided with shut-off block 310 and spaced portions 320, described shut-off block 310 closely contacts with the bottom of collecting part 600, and described spaced portions 320 separates with the bottom of collecting part 600.Other parts are identical with those parts in first preferred embodiment of the present invention.In second preferred embodiment of the present invention, because outlet 260 and 270 is lower than inlet 25 and is collected in and collects in the part 600 by exporting 260 and 270 refrigerant liquids of discharging, so refrigeration agent can be assigned in the outlet 260 and 270 equably.
Fig. 8 illustrates the channel switching valve according to the 3rd preferred embodiment of the present invention.In the 3rd preferred embodiment of the present invention, thus the inwall 220 of valve plate 22 at a predetermined angle θ be tilted refrigeration agent easily from enter the mouth 25 flow to downwards the outlet 26 and 27.Other parts are identical with those parts in first preferred embodiment of the present invention.Therefore, in the 3rd preferred embodiment of the present invention, owing to easily collected the collection part 60 from 25 refrigerant liquids that flow to outlet 26 and 27 that enter the mouth, so refrigeration agent can be distributed more equably.
According to the preferred embodiment of the channel switching valve of above explanation, inlet is arranged so that refrigerant liquid flows to outlet and is collected because a plurality of outlets are lower than, so refrigeration agent is assigned in the outlet equably.
In addition, preferred embodiment according to above explanation, thereby be set at the position that is lower than inlet and outlet and be set at and collect in the part fluid in channel switching valve and be collected in and collect in the part owing to collect part, and be assigned in the outlet again, so refrigeration agent is assigned in the outlet equably.In addition, have cone shape owing to collect part, so fluid is directed into outlet.
Even since when switch part is maintained in the state of opening outlet refrigeration agent also can be distributed equably, thereby so the comparable conventional art of motor control the life-span that can prolong motor more simply.
Though shown and some embodiments of the present invention have been described, those skilled in the art will understand, and not deviate under principle of the present invention and the spirit, can make a change in this embodiment, scope of the present invention is limited by claim and their equivalent.

Claims (21)

1. channel switching valve comprises:
Frame, described frame have inlet and a plurality of outlet;
Switch part, described switch part is used to open and close described outlet; With
Drive unit, described drive unit is used to operate described switch part;
Wherein said outlet is set at the position that is lower than described inlet.
2. channel switching valve according to claim 1, wherein said frame comprises the collection part, by recess being set being lower than on the direction of described inlet, form described collection part collecting fluid, and described outlet is formed in described collections partly.
3. channel switching valve according to claim 2, wherein said switch part comprises shut-off block, described shut-off block enter described collection part with closely contact described outlet according to rotation and separate with described outlet and
Described drive unit comprises stepper motor, and described stepper motor is used for forward and the described switch part of counterrotating.
4. channel switching valve according to claim 1 and 2, the inwall of wherein said frame are tilted so that fluid flows to described outlet downwards from described inlet.
5. refrigerator comprises:
A plurality of compartments;
A plurality of vaporizers, described a plurality of vaporizers are used to cool off compartment separately; With
Channel switching valve, described channel switching valve are used to control to the supply of the refrigeration agent of vaporizer;
Wherein channel switching valve comprises:
Frame, described frame have inlet and a plurality of outlet;
Switch part, described switch part is used to open and close described outlet; With
Drive unit, described drive unit is used to operate described switch part, and wherein said outlet is set at the position that is lower than described inlet.
6. refrigerator according to claim 5, wherein said frame comprises the collection part, by recess being set being lower than on the direction of inlet, form described collection part collecting fluid, and described outlet is formed in described collections partly.
7. changing valve according to claim 6, wherein said switch part comprises shut-off block, described shut-off block enter described collection part with closely contact described outlet according to rotation and separate with described outlet and
Described drive unit comprises stepper motor, and described stepper motor is used for forward and the described switch part of counterrotating.
8. refrigerator according to claim 7, wherein said switch part have substantially cone shape and
Described shut-off block is outstanding closely to contact the described internal surface of collecting part from the outer surface of described switch part, and described shut-off block is longer than distance between the described outlet in the length on the sense of rotation, and the vertical width of described shut-off block is greater than the diameter of described outlet.
9. refrigerator according to claim 5, its mid frame comprises:
Shell, described shell has open underside; With
Valve plate, described valve plate is used to seal the open underside of described shell, and wherein said entrance and exit is formed in the described valve plate.
10. channel switching valve comprises:
Frame, described frame have inlet and a plurality of outlet;
Switch part, described switch part is used to open and close described outlet; With
Drive unit, described drive unit is used to operate described switch part;
Wherein said frame comprises the collection part that is used to collect refrigeration agent, and described outlet is formed in the described collection part.
11. channel switching valve according to claim 10, wherein said outlet is set in the position that is lower than described inlet.
12. channel switching valve according to claim 11, wherein said switch part comprises shut-off block, described shut-off block enter described collection part with closely contact described outlet according to rotation and separate with described outlet and
Described drive unit comprises stepper motor, and described stepper motor is used for forward and the described switch part of counterrotating.
13. channel switching valve according to claim 10, wherein said collection partly is formed cone shape.
14. channel switching valve according to claim 10, wherein said collection partly is formed drum.
15. channel switching valve according to claim 10 wherein is provided with recess by the bottom in described frame and forms described collection part.
16. channel switching valve according to claim 10, wherein said switch part can optionally open and close described a plurality of outlet.
17. channel switching valve according to claim 16, wherein said switch part can open or close the whole of described a plurality of outlets.
18. right 10 described channel switching valves as requested, the bottom of wherein said frame is tilted.
19. channel switching valve according to claim 18, wherein said switch part comprises the shut-off block that is used to close described outlet.
20. channel switching valve according to claim 19, wherein said shut-off block in the length on the sense of rotation greater than the distance between the described outlet.
21. channel switching valve according to claim 20, the width of wherein said shut-off block is greater than the diameter of described outlet.
CNA2006101057765A 2006-04-03 2006-07-26 Passage switching valve and refrigerator having the same Pending CN101050821A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060030165A KR20070099148A (en) 2006-04-03 2006-04-03 Refrigerant passage conversion valve and refrigerator having the same
KR20060030165 2006-04-03

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CN101050821A true CN101050821A (en) 2007-10-10

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US (1) US20070227184A1 (en)
JP (1) JP2007278683A (en)
KR (1) KR20070099148A (en)
CN (1) CN101050821A (en)

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CN103016812A (en) * 2013-01-04 2013-04-03 宁波爱姆优东海精工电器有限公司 Flow deviation prevention structure for electric switching valve
CN103075540A (en) * 2013-01-04 2013-05-01 宁波爱姆优东海精工电器有限公司 Cool air output flow-rate adjusting structure of electric switching valve
CN105405408A (en) * 2015-11-14 2016-03-16 合肥骇虫信息科技有限公司 LCD working temperature adjusting system
CN111684207A (en) * 2017-12-20 2020-09-18 R.B.M.爱盒子有限责任公司 Collector for distributing a heat transfer fluid in a heating and/or cooling and/or conditioning network, in particular of the domestic and/or industrial type

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EP2532991B1 (en) * 2011-06-08 2019-10-30 LG Electronics Inc. Refrigerating cycle apparatus and method for operating the same
KR101419322B1 (en) * 2011-12-20 2014-07-16 위니아만도 주식회사 Multi-way step valve
US20130255309A1 (en) * 2012-04-02 2013-10-03 Whirlpool Corporation Energy efficiency of room air conditioner or unitary air conditioning system by using dual suction compressor
US9970667B2 (en) 2013-07-26 2018-05-15 Whirlpool Corporation Air conditioning systems with multiple temperature zones from independent ducting systems and a single outdoor unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103016812A (en) * 2013-01-04 2013-04-03 宁波爱姆优东海精工电器有限公司 Flow deviation prevention structure for electric switching valve
CN103075540A (en) * 2013-01-04 2013-05-01 宁波爱姆优东海精工电器有限公司 Cool air output flow-rate adjusting structure of electric switching valve
CN103016812B (en) * 2013-01-04 2015-03-04 宁波爱姆优东海精工电器有限公司 Flow deviation prevention structure for electric switching valve
CN105405408A (en) * 2015-11-14 2016-03-16 合肥骇虫信息科技有限公司 LCD working temperature adjusting system
CN111684207A (en) * 2017-12-20 2020-09-18 R.B.M.爱盒子有限责任公司 Collector for distributing a heat transfer fluid in a heating and/or cooling and/or conditioning network, in particular of the domestic and/or industrial type

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US20070227184A1 (en) 2007-10-04
KR20070099148A (en) 2007-10-09
JP2007278683A (en) 2007-10-25

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