CN202182669U - End cap and heat exchanger with the same - Google Patents
End cap and heat exchanger with the same Download PDFInfo
- Publication number
- CN202182669U CN202182669U CN2011202632169U CN201120263216U CN202182669U CN 202182669 U CN202182669 U CN 202182669U CN 2011202632169 U CN2011202632169 U CN 2011202632169U CN 201120263216 U CN201120263216 U CN 201120263216U CN 202182669 U CN202182669 U CN 202182669U
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- Prior art keywords
- end cap
- lid
- cavity
- bottom center
- annular recess
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- Expired - Lifetime
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- 230000007704 transition Effects 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an end cap and a heat exchanger with the same. The end cap is used for closing a collecting pipe of the heat exchanger and comprises a cover. A bottom of the cover body comprises a bottom central part and at least one annular projection or annular recess that surrounds the bottom central part. The at least one annular projection or annular recess is constructed to arc segments which are respectively provided at two sides of the bottom central part on an axial profile of the cover body. Furthermore the at least one annular projection or annular recess is in smooth transition with the bottom central part. Under a precondition that the thickness of the end cap is unchanged, the end cap with the structure has the following advantages: dispersing stress concentration at top end and bottom end of an outer circumferential wall of the end cap, effectively reducing maximal stress value of the end cap, effectively enlarging stressed area of the end cap, and improving strength of the end cap.
Description
Technical field
The utility model relates to the heat-exchange apparatus field, particularly a kind of end cap that is used to seal the header of heat exchanger.The utility model also relates to a kind of heat exchanger that comprises above-mentioned end cap.
Background technology
Heat exchanger is a device commonly used in the refrigeration system, for example in refrigeration system, can be used as evaporimeter or condenser.Fig. 1 is a kind of partial schematic diagram of traditional heat exchanger.As shown in Figure 1; This heat exchanger generally includes two headers 1 ' that laterally arrange substantially, be connected two between the header 1 ' heat exchanger tube 2 ' and be arranged on fin 3 ' between the adjacent heat exchange tubes 2 ' (part header 1 ', heat exchanger tube 2 ' and fin 3 ' only are shown among Fig. 1).Header 1 ' comprises hollow tube and is welded in the body two ends, is used to seal the end cap 4 ' of header 1 '.End cap 4 ' is a column, and fits through the inwall of its periphery wall and header 1 ' body.
Regardless of being in kind of refrigeration cycle or heating in the circulation that each components and parts and pipe-line system all need be carried certain pressure, this just makes must have certain voltage endurance capability as intrasystem heat exchanger.As shown in Figure 1, the main pressure-containing member in the heat exchanger be header 1 ' with heat exchanger tube 2 '.End cap is used to seal header 1 ', so end cap 4 ' also is the pressure-containing member of heat exchanger, and in the course of work of heat exchanger, the inside of heat exchanger can produce bigger pressure to the end cap 4 ' of header 1 '.In 1, the right-hand member of end cap 4 ' is the top, the left end bottom of end cap among the figure.Find through experimental analysis, concentrate maximum at top (representing with B among Fig. 1) stress of the periphery wall that is connected with header 1 ' of end cap 4 '.In the bottom (representing with A among Fig. 1) of the periphery wall that is connected with header 1 ' of end cap 4 ', stress value is bigger.When the maximum local stress of stress raiser arrives strength degree, can cause end cap 4 ' to destroy.
In order to improve the voltage endurance capability of end cap 4 '; Usually increase the thickness of end cap 4 '; But because header 1 ' internal volume is limited, in order to prevent the interference of size between end cap 4 ' and the flat tube 2 ', header 1 ' also needs elongated; Therefore need more end cap 4 ' and header 1 ' material, also increased the volume of heat exchanger.
The utility model content
The purpose of the utility model provides a kind of end cap that is used to seal the header of heat exchanger; It can keep under the constant condition of self thickness; Disperse the top of end cap periphery wall and the stress of bottom to concentrate, effectively reduce the maximum stress value of end cap, improve the intensity of end cap.Another purpose of the utility model provides a kind of heat exchanger that comprises above-mentioned end cap.
For solving the problems of the technologies described above; The utility model provides a kind of end cap; Be used to seal the header of heat exchanger; Comprise lid; The bottom surface of said lid comprises bottom center part and around at least one annular projection or the annular recess of said bottom center part, said at least one annular projection or annular recess are configured to lay respectively at the segmental arc of said bottom center part both sides on the axial section of said lid, and said at least one annular projection or annular recess and said bottom center partly seamlessly transit.
Preferably, the bottom of the periphery wall of said at least one annular projection or annular recess and said lid seamlessly transits.
Preferably, said segmental arc is with respect to bottom center's symmetry of said lid.
Preferably, be formed with cavity in the said lid, the top of said cavity is opened wide.
Preferably, the perisporium of the said cavity of top end of said cavity along the end of from towards the direction on top gradually attenuation in case said cavity in the outside enlarging of its top end.
Preferably, the bottom surface of said lid comprises that said annular projection and said annular recess are along the spaced radial setting of said lid around the said annular projection and the said annular recess of said bottom center part.
Preferably, the bottom center of said lid partly is flat.
Preferably; The bottom center of said lid partly is flat; Said bottom center part by said annular recess around; And the part corresponding with said bottom center part be for flat on the bottom surface of said cavity, on the bottom surface of said cavity the part corresponding with said annular recess towards described in the said top of cavity give prominence to.
Preferably, the bottom center of said lid partly is protruding, said convexity by said annular recess around, be arc in the above convexity of axial section of said lid.
Preferably; The bottom center of said lid partly is protruding; Said convexity by said annular recess around; The above convexity of axial section at said lid is an arc, and the part corresponding with said convexity is recessed into towards the bottom of said lid on the bottom surface of said cavity, and part corresponding with said annular recess on the bottom surface of said cavity is outstanding towards the said top of said cavity.
Preferably, the bottom center of said lid partly is depression, and said depression is centered on by said annular projection, is arc in the above depression of the axial section of said lid.
Preferably; The bottom center of said lid partly is depression; Said depression is centered on by said annular projection; The above depression of axial section at said lid is arc, and the part corresponding with said depression given prominence to towards the said top of said cavity on the bottom surface of said cavity, and part corresponding with said annular projection on the bottom surface of said cavity is recessed towards the bottom of said lid.
The end cap that the utility model provides; Be used to seal the header of heat exchanger; Comprise lid; The bottom surface of said lid comprises bottom center part and around at least one annular projection or the annular recess of said bottom center part, said at least one annular projection or annular recess are configured to lay respectively at the segmental arc of said bottom center part both sides on the axial section of said lid, and said at least one annular projection or annular recess and said bottom center partly seamlessly transit.It can effectively reduce the maximum stress value of end cap, and can increase the lifting surface area of end cap effectively, the intensity of raising end cap keeping disperseing the top of end cap periphery wall and the stress of bottom to concentrate under the constant condition of self thickness.
The utility model also provides a kind of heat exchanger, comprising: first header; Second header; Heat exchanger tube, the two ends of said heat exchanger tube insert respectively in first and second headers to connect first and second headers; Fin, said fin are separately positioned between the adjacent heat exchanger tube; And end cap, said end cap is above-mentioned each described end cap, wherein said end cap is arranged in the end of at least one header and is used to seal a said end.
Because end cap has above-mentioned beneficial effect, the heat exchanger with above-mentioned end cap also has identical technique effect.
Description of drawings
Fig. 1 is the partial structurtes sketch map of conventional heat exchanger;
Fig. 2 is the side view according to the end cap of the utility model first embodiment;
Fig. 3 is the upward view of end cap shown in Figure 2;
Fig. 4 is the cutaway view of the A-A direction of Fig. 3;
Fig. 5 is the structural representation according to the end cap of the utility model second embodiment;
Fig. 6 is the structural representation according to the end cap of the utility model the 3rd embodiment;
Fig. 7 is the structural representation according to the end cap of the utility model the 4th embodiment;
Fig. 8 is the manufacturing process of end cap shown in Figure 7;
Fig. 9 is the partial structurtes sketch map according to the heat exchanger of the utility model first embodiment.
The specific embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; Term " horizontal stroke ", " on ", the orientation of indications such as D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the utility model rather than requiring the utility model therefore can not be interpreted as restriction with specific azimuth configuration and operation to the utility model.
End cap and the heat exchanger that comprises this end cap according to the utility model embodiment are described with reference to the drawings below.
The inventor is through experiment and analyze discovery; The bottom surface of the end cap 4 of the utility model embodiment is towards the inside of header 1 during installation; End cap 4 can keep under the constant condition of self thickness, disperses the stress of top and bottom of end cap 4 periphery walls concentrated, effectively reduces the maximum stress value of end cap 4; And can increase the lifting surface area of end cap 4 effectively, improve the intensity of end cap 4.
Please refer to Fig. 2, Fig. 3, Fig. 4; Fig. 2 is the side view of the end cap of the utility model first embodiment; Fig. 3 is the upward view of end cap shown in Figure 2; Fig. 4 is the cutaway view of the A-A direction of Fig. 3;
In first embodiment, the end cap 4 of the utility model is a cylinder.End cap 4 comprises lid 40, is formed with cavity 45 in the lid 40, and the top of cavity 45 (upper end among Fig. 2, Fig. 4) opened wide.Bottom center's part 41 of lid 40 is protruding (below to Fig. 2, Fig. 4 is outstanding); Said convexity by annular recess 42 (recessed) to the top of Fig. 2, Fig. 4 around; The above convexity of axial section at said lid 40 is arc (above-below direction among Fig. 2, Fig. 4 is for axial); Annular recess 42 is configured to lay respectively at the segmental arc of said bottom center part 41 both sides on the axial section of said lid 40, annular recess 42 seamlessly transits with convexity.Be recessed into towards the bottom of lid 40 with bottom center's part 41 corresponding parts of lid 40 on the bottom surface of cavity 45, give prominence to towards the top of cavity 40 with annular recess 42 corresponding parts on the bottom surface of cavity 45.Segmental arc is with respect to bottom center's symmetry of lid 40.Annular recess 42 seamlessly transits with the bottom of the periphery wall of said lid 40.
Being formed with cavity 45 in the lid 40 can economical with materials, and easy to process, directly compression moulding of end cap 4.Parts corresponding with bottom center part 41 on the bottom surface of cavity 45 are recessed towards the bottom of lid 40, give prominence to towards the top of cavity 40 with annular recess 42 corresponding parts on the bottom surface of cavity 45, and are easy to process, directly compression moulding of end cap 4.Segmental arc can make end cap 4 evenly stressed with respect to bottom center's symmetry of lid 40, and dispersive stress reduces stress and concentrates.Annular recess 42 seamlessly transits with the bottom of the periphery wall of said lid 40, can reduce stress and concentrate.
It will be appreciated that the utility model is not limited to this, the shape of the bottom surface of the cavity 45 of lid 40 is not limited to said structure.Lid 40 also can be solid, to increase the intensity of end cap 4.End cap 4 can be made up of the column with rectangle or square cross section, to adapt to the header 1 with rectangle or square cross section.In addition, end cap 4 also can have the truncated cone, for example the truncated cone body; Be convenient to thus need to prove, when end cap 4 is the truncated cone in the header 1 that end cap 4 is installed to heat exchanger; Gap between the bottom of end cap 4 and the header 1 can be filled with scolder in when welding, that is to say, the end cap of truncated cone form 4 constitutes column with scolder; For example, when end cap 4 was the truncated cone body, end cap 4 constituted cylinder with scolder.
Please refer to Fig. 5; Fig. 5 is the structural representation according to the end cap of the utility model second embodiment.
In a second embodiment; Bottom center's part 41 of lid 40 is flat; Bottom center's part 41 by annular recess around 42; Parts corresponding with bottom center part 41 are given prominence to towards the top of cavity 45 with annular recess 42 corresponding parts on the bottom surface of cavity 45 for flat on the bottom surface of cavity 45.
Please refer to Fig. 6; Fig. 6 is the structural representation according to the end cap of the utility model the 3rd embodiment.
In the 3rd embodiment; Bottom center's part 41 of lid 40 is recessed depression towards the top of lid 40; Depression by annular projection 43 (outstanding) to the below of Fig. 6 around; The above depression of axial section at lid 40 is arc (above-below direction among Fig. 6 is axial), and annular projection 43 is configured to lay respectively at the segmental arc of bottom center's part 41 both sides on the axial section of lid 40, and annular projection 43 seamlessly transits with depression.Parts corresponding with bottom center part 41 on the bottom surface of cavity 45 are outstanding towards the top of cavity 45, are recessed into towards the bottom (lower end of Fig. 6) of lid 40 with annular projection 43 corresponding parts on the bottom surface of cavity 45.Segmental arc is with respect to bottom center's symmetry of lid 40.Annular projection 43 seamlessly transits with the bottom of the periphery wall of said lid 40.
It will be appreciated that the utility model is not limited to this, for example the bottom surface of lid 40 can comprise the annular projection 43 and annular recess 42 around bottom center's part 41, annular projection 43 and the spaced radial setting of annular recess 42 along lid 40.Bottom center's part 41 can be for flat.Bottom center's part 41 of lid 40 by annular projection 43 around the time, bottom center's part 41 can be depression; Bottom center's part 41 of lid 40 by annular recess 42 around the time, bottom center's part 41 can be convexity.
Please refer to Fig. 7, Fig. 8; Fig. 7 is the structural representation according to the end cap of the utility model the 4th embodiment, and Fig. 8 is the manufacturing process of end cap shown in Figure 7.
In the 4th embodiment, be formed with cavity 45 in the lid 40, the top of cavity 45 (Fig. 7, the top of Fig. 8) is opened wide.The perisporium of the top end cavity 45 of cavity 45 along the end of from towards the direction on top gradually attenuation in case cavity 45 in the outside enlarging of its top end.
As shown in Figure 8; The end cap 4 of the 4th embodiment can pass through the sidewall of the cavity 45 of the described lid 40 of above-mentioned arbitrary embodiment is excised formation near top place's part (the black part among Fig. 8) of end cap 4, also can directly pass through the end cap 4 that compacting forms the 4th embodiment.
The end cap 4 of the utility model embodiment has disperseed the stress of top and the bottom of end cap 4 periphery walls to concentrate, and effectively reduces the maximum stress value of end cap 4, but it is concentrated to produce stress at the place, top (like the C place of Fig. 8) of the madial wall of the cavity 45 of lid 40.The inventor is through experiment and analyze discovery; Be formed with cavity 45 in the lid 40; The top of cavity 45 is opened wide, and the sidewall of cavity 45 is located attenuation gradually near the top of lid 40, and cavity 45 is located outside enlarging near the top of lid 45; Can effectively reduce the stress at top of the madial wall of cavity 45 and concentrate, improve the intensity of end cap.
The utility model also provides a kind of heat exchanger that comprises above-mentioned end cap.Please refer to Fig. 9; Fig. 9 is the partial structurtes sketch map according to the heat exchanger of the utility model first embodiment.
Heat exchanger 10 according to the utility model embodiment comprises two headers 1, heat exchanger tube 3, fin 2, end cap 4 (part header 1, heat exchanger tube 3 and fin 2 only are shown among the figure).Two headers 1 are respectively generally along the horizontal direction setting, and they are at the spaced apart certain distance of vertical direction.Two headers, 1 two ends are through 4 sealings of welding end cap, and end cap 4 is above-mentioned end cap 4.Each heat exchanger tube 3 extends along vertical direction substantially, the arrangement that is spaced apart from each other, and insert respectively in two headers 1 to be communicated with two headers 1 at each heat exchanger tube 3 two ends.Heat exchanger tube 3 for example can be flat tube.3 of adjacent heat exchanger tubes are provided with fin 2.The sidewall of end cap 4 and the welding of header 1 inwall are used to seal header 1.
More than to end cap that the utility model provided and comprise that the heat exchanger of this end cap has carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.Characteristic in the foregoing description can be combined to form new embodiment each other.
Claims (13)
1. end cap; Be used to seal the header of heat exchanger; It is characterized in that, comprise lid, the bottom surface of said lid comprises bottom center part and around at least one annular projection or the annular recess of said bottom center part; Said at least one annular projection or annular recess are configured to lay respectively at the segmental arc of said bottom center part both sides on the axial section of said lid, and said at least one annular projection or annular recess and said bottom center partly seamlessly transit.
2. end cap according to claim 1 is characterized in that, the bottom of the periphery wall of said at least one annular projection or annular recess and said lid seamlessly transits.
3. end cap according to claim 1 is characterized in that, said segmental arc is with respect to bottom center's symmetry of said lid.
4. end cap according to claim 1 is characterized in that, is formed with cavity in the said lid, and the top of said cavity is opened wide.
5. end cap according to claim 4 is characterized in that, the perisporium of the said cavity of top end of said cavity along the end of from towards the direction on top gradually attenuation in case said cavity in the outside enlarging of its top end.
6. according to each described end cap of claim 1 to 5; It is characterized in that; The bottom surface of said lid comprises that said annular projection and said annular recess are along the spaced radial setting of said lid around the said annular projection and the said annular recess of said bottom center part.
7. according to each described end cap of claim 1 to 5, it is characterized in that the bottom center of said lid partly is flat.
8. end cap according to claim 4; It is characterized in that; The bottom center of said lid partly is flat; Said bottom center part by said annular recess around, and the part corresponding with said bottom center part is for flat on the bottom surface of said cavity, part corresponding with said annular recess on the bottom surface of said cavity is given prominence to towards the said top of said cavity.
9. according to each described end cap of claim 1 to 5, it is characterized in that the bottom center of said lid partly is protruding, said convexity by said annular recess around, be arc in the above convexity of axial section of said lid.
10. end cap according to claim 4; It is characterized in that; The bottom center of said lid partly is protruding, said convexity by said annular recess around, be arc in the above convexity of axial section of said lid; And part corresponding with said convexity on the bottom surface of said cavity is recessed towards the bottom of said lid, and part corresponding with said annular recess on the bottom surface of said cavity is outstanding towards the said top of said cavity.
11., it is characterized in that the bottom center of said lid partly is depression according to each described end cap of claim 1 to 5, said depression is centered on by said annular projection, is arc in the above depression of the axial section of said lid.
12. end cap according to claim 4; It is characterized in that; The bottom center of said lid partly is depression, and said depression is centered on by said annular projection, is arc in the above depression of the axial section of said lid; And part corresponding with said depression on the bottom surface of said cavity is outstanding towards the said top of said cavity, and part corresponding with said annular projection on the bottom surface of said cavity is recessed towards the bottom of said lid.
13. a heat exchanger is characterized in that, comprising:
First header;
Second header;
Heat exchanger tube, the two ends of said heat exchanger tube insert respectively in first and second headers to be communicated with said first and second headers;
Fin, said fin are separately positioned between the adjacent heat exchanger tube; With
End cap, said end cap are according to each described end cap among the claim 1-12, and wherein said end cap is arranged in the end of at least one header and is used to seal a said end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202632169U CN202182669U (en) | 2011-07-22 | 2011-07-22 | End cap and heat exchanger with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202632169U CN202182669U (en) | 2011-07-22 | 2011-07-22 | End cap and heat exchanger with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182669U true CN202182669U (en) | 2012-04-04 |
Family
ID=46175703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202632169U Expired - Lifetime CN202182669U (en) | 2011-07-22 | 2011-07-22 | End cap and heat exchanger with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466245A (en) * | 2014-09-26 | 2016-04-06 | 株式会社能率 | Header of heat exchanger and heat exchanger provided with the same |
| CN105987541A (en) * | 2015-02-15 | 2016-10-05 | 杭州三花微通道换热器有限公司 | Heat exchanger and heat pump water heater with heat exchanger |
-
2011
- 2011-07-22 CN CN2011202632169U patent/CN202182669U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466245A (en) * | 2014-09-26 | 2016-04-06 | 株式会社能率 | Header of heat exchanger and heat exchanger provided with the same |
| CN105466245B (en) * | 2014-09-26 | 2020-01-07 | 株式会社能率 | Header of heat exchanger and heat exchanger provided with same |
| CN105987541A (en) * | 2015-02-15 | 2016-10-05 | 杭州三花微通道换热器有限公司 | Heat exchanger and heat pump water heater with heat exchanger |
| CN105987541B (en) * | 2015-02-15 | 2019-03-29 | 杭州三花微通道换热器有限公司 | Heat exchanger and Teat pump boiler with the heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DANFOSS INC. Effective date: 20120827 Owner name: SANHUA HOLDING GROUP CO., LTD. Free format text: FORMER OWNER: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., LTD. Effective date: 20120827 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., Free format text: FORMER NAME: DANFOSS SANHUA (HANGZHOU) MICRO-CHANNEL HEAT EXCHANGER CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310018 HANGZHOU, ZHEJIANG PROVINCE TO: 312500 SHAOXING, ZHEJIANG PROVINCE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee before: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120827 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Co-patentee after: DANFOSS A/S Patentee after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee before: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Assignor: SANHUA HOLDING GROUP Co.,Ltd. Contract record no.: 2015990000010 Denomination of utility model: End cap and heat exchanger with the same Granted publication date: 20120404 License type: Common License Record date: 20150106 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU SANHUA MICRO CHANNEL HEAT EXCHANGER CO., Free format text: FORMER OWNER: SANHUA HOLDING GROUP CO., LTD. Effective date: 20150312 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312500 SHAOXING, ZHEJIANG PROVINCE TO: 310018 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150312 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289, No. Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Patentee after: DANFOSS A/S Address before: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee before: SANHUA HOLDING GROUP Co.,Ltd. Patentee before: DANFOSS A/S |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |
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| CX01 | Expiry of patent term |