CN102200190A - Four-way reversing valve and valve seat thereof - Google Patents
Four-way reversing valve and valve seat thereof Download PDFInfo
- Publication number
- CN102200190A CN102200190A CN2010101376818A CN201010137681A CN102200190A CN 102200190 A CN102200190 A CN 102200190A CN 2010101376818 A CN2010101376818 A CN 2010101376818A CN 201010137681 A CN201010137681 A CN 201010137681A CN 102200190 A CN102200190 A CN 102200190A
- Authority
- CN
- China
- Prior art keywords
- valve seat
- valve
- way change
- over
- adapter
- 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
Images
Abstract
The invention provides a four-way reversing valve of a valve seat adopting a novel processing mode and the valve seat. The valve seat is processed by a powder injection forming technology, so that the valve seat can be made of stainless steel, stainless iron and other iron and steel material or other relatively uneasy heat conduction materials to reduce heat loss of the four-way reversing valve and avoid the problem of difficulty in mechanical cutting and processing caused by adoption of the materials. The valve seat is processed by employing a powder injection forming technology; compared with the conventional method of cutting and processing irregularly-shaped sections, the powder injection forming technology has the advantages that: the consumption of material is obviously reduced, and particularly-structured shapes can be formed, so that the contact surface between the valve seat and a valve body of the four-way reversing valve can be reduced during welding, and the welding quality is ensured. Moreover, the valve seat has lower heat conductivity, so that the heat loss between a high-temperature refrigerant and a low-temperature refrigerant can be reduced, and the energy-saving effect of an air conditioner is effectively improved.
Description
Technical field
The present invention relates to used solenoid valve of a kind of refrigerating field or electromagnetism four-way change-over valve, be specifically related to the valve seat and the four-way change-over valve of a kind of solenoid valve that on air conditioner or refrigerator, uses or four-way change-over valve.
Background technique
Along with rapid economic development, the energy shortage problem becomes and becomes increasingly conspicuous, and the green economy of development energy-conserving and environment-protective is emphasis of current various countries economic development.For air-conditioning and HVAC industry, the air conditioner of development energy-conserving and environment-protective and the emphasis R﹠D direction that refrigerator is this class enterprise.Heat pump type air conditioner is a kind ofly can absorb heat from cryogenic object, and transfers energy to the device of high temp objects.During refrigeration, indoor heat converter absorbs heat as vaporizer, heat is drained into outdoor, outdoor heat exchanger by refrigeration agent and uses as condenser.When heating, outdoor heat converter use to absorb heat as vaporizer, by refrigeration agent heat is delivered to indoorly, and indoor heat converter is as the condenser release heat.Because heat pump type air conditioner can effectively utilize the low-phase energy of extensive existence, and saves the limited high-order energy, its development receives increasing concern.
Be that example is specifically described with the four-way change-over valve in the heat pump type air conditioner below.In heat pump type air conditioner, four-way change-over valve is system's refrigeration cycle operating mode and the critical component that heats the state of cyclic operation conversion, by the switching of four-way change-over valve, realizes the mutual conversion of refrigerating/heating.Four-way change-over valve mainly contains electromagnetic coil, pilot valve and main valve is formed, and main valve commutate under the acting in conjunction of electromagnetic coil and pilot valve and switches the circulating direction of refrigeration working medium, the mutual conversion of realization air conditioner refrigerating/heat.
From the working principle of four-way valve as can be known, no matter be at state of heating or refrigerating state, in main valve, high temperature and high pressure gas and low-temp low-pressure gas simultaneously can flow, exist at the same time under the situation of high temperature and high pressure gas and low-temp low-pressure gas, always have some heats and flow to the other end from an end of valve seat, cause the loss and the waste of heat, therefore, in order to improve energy transmission efficiency and to satisfy environmental requirement more and more higher on the market, need a kind of seat material that has more environmental protection and have the selector valve of better heat-shielding performance.In order to reduce the loss that this shape of partly conducting heat is risen, it as the application number of the applicant application the valve seat that has just adopted a kind of new material in 200810170546.6 the application for a patent for invention, this valve seat has lower pyroconductivity, and therefore the heat conduction loss that is caused by this position can reduce.In addition, do not allow transcalent material relatively if adopt stainless steel, stainless iron and other iron and steel class or other, the heat transfer loss can further reduce, but use these class valve seats such as stainless steel, brought the machine cut processing problem of difficulty relatively again, and process time-consumingly relatively, tool wear is also easy especially in addition, thereby causes secondary process expenses such as cutter relatively large.
Summary of the invention
For this reason, the present invention is directed to above-mentioned machine cut and process the technical problem of this contradiction between the difficulty and heat transfer loss relatively, adopt a kind of seat material with better environmental-protecting performance and heat-shielding performance, and a kind of new processing mode, a kind of new four-way change-over valve is provided, the present invention specifically by the following technical solutions:
A kind of four-way change-over valve, comprise valve body, valve seat, with valve body, a plurality of adapters that valve seat is fixing together, described adapter and valve body, valve seat is fixing by being welded to connect, described valve seat comprises that the sealed department of the sealing that is used for matching with the slide block of four-way change-over valve and one are used for the joint that is connected with described adapter, described sealed department has a sealing surface, described joint is provided with takes over the hole, the position that being used to of described adapter hole inserted adapter forms a stepped part greater than the position of the sealing surface of the close sealed department in described adapter hole, the sealed department of described valve seat along the length of described valve body longitudinal direction length in this direction greater than described joint, described valve seat shapes by powder injection.
Preferably, described valve seat is that low heat conductive metal, metal alloy or nonmetallic material shape by powder injection.
Preferably, described valve seat is that stainless steel, stainless iron or ceramic dusty material shape by injection.
Optionally, described valve body material is a stainless steel material.Like this, can adopt the weldering of tunnel furnace stove between the valve body of four-way change-over valve and valve seat, the adapter, thus pickling or cleaning after can avoiding welding, and environmental protection more.
Preferably, the joint of described valve seat be used for and the thickness (σ) of the faying surface that described valve body is fitted (comprises 1mm, 2.5mm) between 1-2.5mm.More suitable, the joint of described valve seat be used for and the thickness (σ) of the faying surface that described valve body is fitted (comprises 1.2mm, 2mm) between 1.2-2mm
Optionally, the outer wall of the joint of described valve seat is linear, parabolic shape, arc line type or combination.
Optionally, the outer wall of the joint of described valve seat is comprising linear, and the angle that forms between the sealing surface of the outer wall of described coil part and the sealed department of described valve seat (comprises 75 °, 90 °) between 75-90 °.
Preferably, two wherein adjacent positions of taking between the hole of the joint of described valve seat also are provided with separating part, make the adapter hole that cooperates with each adapter of described valve seat and form applying on every side separately to sprawl face.
Preferably, described valve body, valve seat, adapter are fixed by tunnel furnace stove weldering welding.
Preferably, the sealing surface of the described sealed department of valve seat after injection shapes, passes through abrasive machining before assembling with described slide block, particularly, and as carrying out grinding by emery wheel to guarantee planeness, the degree of finish of sealing surface; Also can adopt cast iron plate to grind in addition guarantees.
In addition, the relevant valve seat of the also claimed and above-mentioned four-way change-over valve of the present invention, described valve seat processes by powder injection forming.
The present invention is by adopting power injection molding to process valve seat, carrying out cutting with the special-shaped section bar of original employing compares, the material use amount can obviously reduce, and can also be configured as the shape of special construction on the structure, thereby the surface of contact in the time of can reducing the welding of valve seat and four-way change valve, the flow area of scolder when reducing welding, thus welding quality guaranteed.And because valve seat processing mode provided by the invention can use the lower various powder of thermal conductivity to process, therefore can reduce the heat loss between the high low temperature refrigerant, improve the energy-saving effect of air-conditioning effectively.
And four-way change-over valve of the present invention is by the change of seat material; after simultaneously valve body material being changed into stainless steel, both can protect welding by tunnel furnace when welding with adapter, like this; operations such as the pickling after the welding, cleaning have been exempted, therefore environmental protection more.
Description of drawings
The schematic perspective view of a kind of mode of execution of the valve seat of Fig. 1 four-way change-over valve provided by the invention;
Fig. 2 is the plan view of valve seat shown in Figure 1;
Fig. 3 be a kind of mode of execution provided by the invention the valve body of four-way change-over valve and valve seat, take over the structural representation after fixing;
Fig. 4 is the schematic perspective view of second kind of mode of execution of the valve seat of four-way change-over valve provided by the invention;
Fig. 5 is the plan view of valve seat shown in Figure 4;
Fig. 6 is the left view of valve seat shown in Figure 4;
Structural representation after the valve body of the four-way change-over valve of Fig. 7 second kind of mode of execution provided by the invention and valve seat, adapter are fixed.
Embodiment
In order further to understand the present invention, below in conjunction with specific embodiment optimal technical scheme of the present invention is specifically described, but should be appreciated that these describe just to further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The invention provides a kind of seat material, be used for solenoid valve or selector valve that air-conditioning or refrigeration system are used, as a kind of four-way change-over valve (being also referred to as electromagnetism four-way change-over valve or selector valve sometimes) of idle call.Following mask body is that example is specifically described with the four-way change-over valve.
Fig. 1 is a kind of schematic perspective view of mode of execution of the valve seat of four-way change-over valve provided by the invention, and Fig. 2 is the plan view of valve seat shown in Figure 1, Fig. 3 be the four-way change-over valve of this mode of execution valve body and valve seat, take over the structural representation after fixing.As shown in the figure, four-way change-over valve comprises valve body 1, valve seat 2, first adapter, 3, second adapter the 4, the 3rd adapter 5 and high-voltage tube 6; Wherein high-voltage tube 6 is fixed in valve body and a relative side described valve seat 2; Take over 3,4,5 by valve body 1, valve seat 2 and extend in the attachment hole of valve seat the location and for other three by welding phase sealing and fixing.
In addition, illustrate that the adapter of being mentioned among the present invention refers to three adapters that are connected with valve body, valve seat: first takes over 3, second takes over the 4, the 3rd adapter 5, and does not comprise the high-voltage tube 6 that only is connected with valve body.And the present invention relates generally to valve body, adapter and valve seat.Particularly, valve seat 2 comprise the sealed department 23 that matches with the slide block (not drawing among the figure) of four-way change-over valve with and valve body, take over the joint that matches, joint comprises and is used for can inserting three fixing adapter holes of welding with three adapters 3,4,5, take in the hole and be provided with a stepped part 25, place welding consumables when being used to weld and insert location when taking over; The sectional shape of the width direction at the position that be used for and the valve body of the joint of valve seat 2 fitted is the cambered surface that matches with the shape of the endoporus of valve body 1, particularly, valve seat is to be the faying surface 22 formed of the cambered surface that matches with the shape of the endoporus of valve body 1 and the endoporus of valve body fits or fits substantially by its sectional shape; The faying surface of valve seat 2 links together in the present embodiment, two wherein adjacent arbitrarily width cs of taking over the width beta of the faying surface that forms between the hole greater than the faying surface of both sides.Wherein the scope of the width cs of the faying surface of both sides is between 1mm-2.5mm, if the width cs of faying surface less than 1mm, can make valve seat 2 on the low side with the weld strength of valve body 1; And if the width cs of faying surface is greater than 2.5mm, the applying spreading area when then making the welding of valve seat 2 and valve body 1 is excessive, and causes the welding consumables flow area excessive, also can reduce soldering reliability.Be more preferably, the scope of the width cs of faying surface is between 1.2mm-2mm.In like manner, the scope of two width beta of taking over the faying surface that forms between the hole is between 1.5-2.5mm.
In addition, in the present embodiment, the sealed department 23 of valve seat 2 roughly is rectangle, and the length of the sealed department of valve seat 2 can be saved the use amount of seat material like this greater than the length of joint; The outer wall 22 of joint and the center line almost parallel of taking over the hole promptly are the approximate vertical state with the sealing surface that cooperates with slide block 24 of sealed department 23.
In order to make valve seat have enough intensity, and make the width cs of faying surface less relatively, the outer wall 22 that yet can be designed to joint in addition is not parastate with the center line of taking over the hole, but intersection, promptly be one 75～90 ° angle with the sealing surface that cooperates with slide block 24 of sealed department 23, like this, the width cs of faying surface is less relatively, and the base portion of the close sealed department of joint is relatively large, can guarantee the mechanical strength of valve seat.In addition, the outer wall 22 of joint can also be designed to a parabolic shape, arc line type or various forms of combination; Because valve seat is to adopt powder injection to shape, so the processing of different shape is all relatively simple, is not subjected to various restrictions and can not carry out machine cut processing as original employing section bar.
In the present embodiment, valve seat processes by the powder injection mode, particularly, be that pressed powder is evenly mixed with organic binder, after granulating, bulk material is injected the die cavity internal shaping, and then carry out sintering, can obtain the component of required form with injection molding machine; Also can adopt casting forming to process in addition.The required material of each valve seat is just so long as the needed material that is shaped like this, and with originally carried out cutting and compared with section bar, use raw material to reduce.Preferably, seat material adopts stainless steel.For stainless steel, the present invention is without particular limitation, can be that (SUS400) stainless steel, Cr-Ni are (SUS300) stainless steel, Cr-Mn-Ni (SUS200) stainless steel and precipitation hardening (SUS600) stainless steel for Cr.Preferably, for Cr-Ni system (SUS300) stainless steel, as the stainless steel of the trades mark such as SUS301, SUS302, SUS303, SUS304, SUS309, SUS316, SUS316L.Can also use stainless iron and other high strength, heat resistance is good and heat-transfer coefficient is relatively low metallic material, and nonmetallic material such as stupalith in addition.Concrete processing mode is as follows: before this valve seat was shaped by injection, the stepped part in a plurality of adapters hole of valve body 1 is provided with welding consumables as the weldering circle, then with valve seat 2 with valve body 1, take over and be assembled into and weld builtup member fixing by tunnel furnace.In order to guarantee the matching property of valve seat and slide block, the sealing surface 24 of valve seat can be ground or grinding.Thereby also can carry out abrasive machining by the sealing surface that will weld good valve seat after welding is finished in addition can cooperate with slide block well with the degree of finish that guarantees sealing surface.In addition, in the present embodiment, the material of the valve body 1 of four-way change-over valve can adopt original brass class material, but is preferably stainless steel, can further reduce the heat transfer loss of four-way change-over valve like this.
The miscellaneous part and the prior art of the four-way change-over valve in the present embodiment are similar, no longer repeat here.
Introduce another embodiment of the present invention below, Fig. 4 is the schematic perspective view of second kind of mode of execution of the valve seat of four-way change-over valve provided by the invention, Fig. 5 is the plan view of valve seat shown in Figure 4, Fig. 6 is the left view of valve seat shown in Figure 4, Fig. 7 be this mode of execution the valve body of four-way change-over valve and valve seat, take over the structural representation after fixing.As shown in the figure, in order to make welding quality more reliable, faying surface to valve seat and valve body in this mode of execution has carried out further control, as shown in the figure, the main distinction of present embodiment and above-mentioned mode of execution is: in order to make valve seat and valve body, the welding quality of taking over is more reliable and more stable, the valve seat of present embodiment is provided with a separating part 222 between the joint of taking over, promptly utilize a groove that the attachment portion of two adjacent adapters is separated, so further reduced the applying spreading area of valve seat and valve body, and it is topmost, still the welding consumables that is arranged on when welding in each stepped part of taking over the hole is to flow in applying spreading area separately respectively, such as, the welding consumables that is arranged on the stepped part in the first adapter hole of taking over encloses as weldering, be subjected to temperatures involved and melt when flowing that it is just taken over contacting with first of hole or certain closely spaced inwall position is arranged at first of valve seat in welding, flowing in periphery and faying surface valve body the position of taking over the hole to first of valve seat, and can not interfere by the welding consumables in the separating part 222 and the second adapter hole or interact; The relatively independent welding part that has been each self-forming and the influence of can not flowing mutually, can avoid adding sometimes the on the high side and partly local this situation on the low side of local welding consumables that may cause under the situation of wrong difference in man-hour partly like this, improve the uniformity of welding consumables, thereby can improve the overall up-to-standard rate level of welding.In addition, the separating part that exists between adjacent two adapters does not have metallic material, can reduce the heat transmission between these two adjacent adapters.Equally, the wall thickness range σ at faying surface periphery and valve body the place in each adapter hole of valve seat is more preferably, between 1.2-2mm between 1-2.5mm.
Similarly, the outer wall of joint 221 and the center line of taking over the hole can almost parallels, promptly are the approximate vertical state with the sealing surface that cooperates with slide block 24 of sealed department 23.
Also can have enough intensity in order to make valve seat, and make the width cs of faying surface less relatively, and the outer wall 221 that is designed to joint is not parastate with the center line of taking over the hole, but intersection, less relatively as the faying surface position, the straight line type that base portion is relatively large, parabolic shape, arc line type and other multiple shape or combination, as being one 75～90 ° angle with the sealing surface that cooperates with slide block 24 of sealed department 23, like this, the width cs of faying surface is less relatively, and the base portion of the close sealed department of joint is relatively large, can guarantee the mechanical strength of valve seat.
Other parts of four-way change-over valve of the present invention, structure are same as the prior art, and concrete processing, using method are well known to those skilled in the art, and just repeat no more at this.
The above-mentioned employing powder injection of the also claimed use of the present invention simultaneously shapes the valve seat of this processing method manufacturing.
Valve seat of the present invention can also be used for solenoid valve, and as being air conditioner, the used solenoid valve of refrigerator, described air-conditioning can preferably, be particularly suitable for the four-way change-over valve in the air conditioner for single cold air-conditioning, heat pump air conditioner.
The present invention shapes by powder injection, easy to process, use material will lack relatively, and can process the valve seat of different shape relative complex, compared with the stack valve seat of forming by top valve seat and lower valve seat of the prior art, further improve the energy-saving effect of four-way change-over valve and valve seat, but process conveniently, performance is more reliable and more stable.Be particularly suitable for adopting materials such as relatively difficult material of some machine cut processing such as stainless steel, stainless iron, pottery, these materials have relatively low pyroconductivity and be no more than 30w/mk as stainless heat conductivitys.Like this, can significantly reduce from the high pressure-temperature chamber to the heat transfer loss of low aluminium hydraulic pressed connecting pipe, promptly reduce the heat transfer loss of valve seat, also reduce the heat transfer loss of four-way change-over valve, improve the Energy Efficiency Ratio of system by valve seat location.
From above argumentation as can be known, adopt the valve seat of four-way change-over valve provided by the invention, can improve the welding quality of valve seat and valve body, can also obviously reduce thermal loss, in the operation of air conditioner process, can reduce first take over, second take over, the 3rd heat loss of taking between the high low temperature refrigerant at position, improved the energy-saving effect of air-conditioning effectively.
Equally, seat material of the present invention also can be used for freezing or system such as HVAC on the valve seat of employed solenoid valve, because employed solenoid valve in these systems, the inner fluid that is circulated all can produce the heat transfer loss because of the transmission of heat of valve seat when having the temperature difference in the both sides of solenoid valve; The requirement of the environmental protection aspect of used brass material is also all more and more higher in these systems simultaneously.And specifically processing, using method are well known to those skilled in the art, and just repeat no more at this.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. four-way change-over valve, comprise valve body, valve seat, with valve body, a plurality of adapters that valve seat is fixing together, described adapter and valve body, valve seat is fixing by being welded to connect, described valve seat comprises that the sealed department of the sealing that is used for matching with the slide block of four-way change-over valve and one are used for the joint that is connected with described adapter, described sealed department has a sealing surface, described joint is provided with takes over the hole, the position that being used to of described adapter hole inserted adapter forms a stepped part greater than the position of the sealing surface of the close sealed department in described adapter hole, it is characterized in that: the sealed department of described valve seat along the length of described valve body longitudinal direction length in this direction greater than described joint, described valve seat shapes by injection or die-casting process is shaped.
2. four-way change-over valve according to claim 1 is characterized in that described valve seat is that low heat conductive metal, metal alloy or nonmetallic material shape by injection.
3. four-way change-over valve according to claim 2, it is characterized in that described valve seat be the dusty material of stainless steel, stainless iron or pottery by granulation after again injection shape.
4. according to the wherein arbitrary described four-way change-over valve of claim 1-3, it is characterized in that described valve body material is a stainless steel material.
5. four-way change-over valve according to claim 4, it is characterized in that described valve seat joint be used for and the thickness (σ) of the faying surface that described valve body is fitted (comprises 1mm, 2.5mm) between 1-2.5mm.
6. four-way change-over valve according to claim 5, the outer wall that it is characterized in that the joint of described valve seat are linear, parabolic shape, arc line type or combination.
7. four-way change-over valve according to claim 6, the outer wall of joint that it is characterized in that described valve seat is comprising linear, described coil partly outer wall and the sealing surface of the sealed department of described valve seat between the angle that forms between 75-90 °, (comprise 75 °, 90 °).
8. according to the wherein arbitrary described four-way change-over valve of claim 1,2,3,5,6,7, two the wherein adjacent positions of taking between the hole that it is characterized in that the joint of described valve seat also are provided with separating part, make the adapter hole that cooperates with each adapter of described valve seat and form applying on every side separately to sprawl face.
9. according to the wherein arbitrary described four-way change-over valve of claim 1,2,3,5,6,7, it is fixing to it is characterized in that tunnel furnace stove weldering welding is passed through in described valve body, valve seat, adapter.
10. four-way change-over valve according to claim 9 is characterized in that the sealing surface of the described sealed department of valve seat, after injection shapes, with described slide block assembling before by grinding or grinding.
Be shaped and form 11. one kind as the described valve seat of above-mentioned arbitrary claim, described valve seat carry out injection moulding processing or die-casting process after by the powder granulation again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010137681.8A CN102200190B (en) | 2010-03-25 | 2010-03-25 | Four-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010137681.8A CN102200190B (en) | 2010-03-25 | 2010-03-25 | Four-way reversing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102200190A true CN102200190A (en) | 2011-09-28 |
| CN102200190B CN102200190B (en) | 2014-12-17 |
Family
ID=44661074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010137681.8A Active CN102200190B (en) | 2010-03-25 | 2010-03-25 | Four-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102200190B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398210A (en) * | 2013-08-21 | 2013-11-20 | 苏州工业园区依利电子贸易有限公司 | Four-way valve assembly |
| CN105090556A (en) * | 2015-09-11 | 2015-11-25 | 何珠华 | Main valve base of electromagnetic four-way reversing valve, manufacturing method and electromagnetic four-way reversing valve |
| CN106246956A (en) * | 2015-06-15 | 2016-12-21 | 株式会社鹭宫制作所 | Slidingtype switching valve and refrigerating circulation system |
| CN108361412A (en) * | 2017-11-23 | 2018-08-03 | 宁萌 | A kind of way Reversing Valve for Air-Condition master（It leads）Valve |
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN112222669A (en) * | 2020-12-09 | 2021-01-15 | 中国空气动力研究与发展中心超高速空气动力研究所 | Welding seam structure and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856948B2 (en) * | 1990-06-08 | 1999-02-10 | トライテン・コーポレーシヨン | Switching valve |
| EP0969234A1 (en) * | 1998-06-30 | 2000-01-05 | Fujikin Incorporated | Fluid control device |
| JP3084390B2 (en) * | 1992-12-18 | 2000-09-04 | 太平洋工業株式会社 | Four-way switching valve |
| CN101319726A (en) * | 2007-06-04 | 2008-12-10 | 浙江三花制冷集团有限公司 | Macrotype four-way reversing valve |
| JP4294683B2 (en) * | 2006-12-19 | 2009-07-15 | 日立アプライアンス株式会社 | Four-way switching valve and air conditioner using the same |
-
2010
- 2010-03-25 CN CN201010137681.8A patent/CN102200190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856948B2 (en) * | 1990-06-08 | 1999-02-10 | トライテン・コーポレーシヨン | Switching valve |
| JP3084390B2 (en) * | 1992-12-18 | 2000-09-04 | 太平洋工業株式会社 | Four-way switching valve |
| EP0969234A1 (en) * | 1998-06-30 | 2000-01-05 | Fujikin Incorporated | Fluid control device |
| JP4294683B2 (en) * | 2006-12-19 | 2009-07-15 | 日立アプライアンス株式会社 | Four-way switching valve and air conditioner using the same |
| CN101319726A (en) * | 2007-06-04 | 2008-12-10 | 浙江三花制冷集团有限公司 | Macrotype four-way reversing valve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398210A (en) * | 2013-08-21 | 2013-11-20 | 苏州工业园区依利电子贸易有限公司 | Four-way valve assembly |
| CN106246956A (en) * | 2015-06-15 | 2016-12-21 | 株式会社鹭宫制作所 | Slidingtype switching valve and refrigerating circulation system |
| CN105090556A (en) * | 2015-09-11 | 2015-11-25 | 何珠华 | Main valve base of electromagnetic four-way reversing valve, manufacturing method and electromagnetic four-way reversing valve |
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN108930816B (en) * | 2017-05-23 | 2021-04-06 | 浙江三花制冷集团有限公司 | Reversing valve and manufacturing method thereof |
| CN108361412A (en) * | 2017-11-23 | 2018-08-03 | 宁萌 | A kind of way Reversing Valve for Air-Condition master（It leads）Valve |
| CN112222669A (en) * | 2020-12-09 | 2021-01-15 | 中国空气动力研究与发展中心超高速空气动力研究所 | Welding seam structure and manufacturing method thereof |
| CN112222669B (en) * | 2020-12-09 | 2021-03-16 | 中国空气动力研究与发展中心超高速空气动力研究所 | Welding seam structure and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102200190B (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102200190B (en) | Four-way reversing valve | |
| CN101614288B (en) | Valve seat, four-way reversing valve main valve using same and four-way reversing valve | |
| JP2008138995A (en) | Four-way selector valve and air-conditioner using the same | |
| JP6261008B2 (en) | Sliding switching valve and refrigeration cycle system | |
| CN101576169B (en) | Low-heat conduction four-way reversing valve | |
| CN104006584A (en) | Triple-regulation air conditioner and refrigerant flowing direction switching device thereof | |
| CN102269281B (en) | Four-way reversing valve for heat pump air-conditioner | |
| CN101724763B (en) | Valve seat, main valve and four-way reversing valve | |
| CN101650065A (en) | Control method of cold storage system | |
| CN202274164U (en) | Runner conversion valve | |
| CN102147023A (en) | Sliding block and manufacturing method thereof as well as reversing valve using sliding block | |
| US11375637B2 (en) | Heat sink | |
| CN106288543B (en) | Five-way reversing valve and air conditioning system | |
| US20060119101A1 (en) | Pipe having enlarged and reduced diameters, and ejector using thereof | |
| CN102235522B (en) | Heat exchange equipment and reversing valve thereof | |
| JP6426644B2 (en) | Sliding type switching valve and refrigeration cycle system | |
| CN215638174U (en) | Heat exchange device of snow making machine | |
| CN103954087B (en) | The Defrost method of defroster, heat pump machine and defroster | |
| CN212378292U (en) | Air conditioner heat exchange system and heat regenerator | |
| CN201462082U (en) | Four-way diverting valve with low thermal conductivity | |
| CN219510178U (en) | Heat-insulating air conditioner four-way valve | |
| CN109059332A (en) | A kind of while heating and refrigeration one drag more air-conditionings and its control method, device | |
| CN103743148B (en) | There is the capillary-compensated heat pump type air conditioner of regenerator | |
| CN215547210U (en) | Freezing platform and machining equipment | |
| CN116839284B (en) | Refrigerating system and refrigerating method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170220 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Zhejiang County in Xinchang Province town under Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |