CN203785517U - Coil end plate of heat exchange coil pack - Google Patents
Coil end plate of heat exchange coil pack Download PDFInfo
- Publication number
- CN203785517U CN203785517U CN201320889542.XU CN201320889542U CN203785517U CN 203785517 U CN203785517 U CN 203785517U CN 201320889542 U CN201320889542 U CN 201320889542U CN 203785517 U CN203785517 U CN 203785517U
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- Prior art keywords
- end plate
- coil pipe
- pipe end
- surface texture
- heat
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- Expired - Lifetime
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- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims description 25
- 238000000034 method Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The utility model discloses all embodiments of a coil end plate of a heat exchange coil pack. The coil end plate can be arranged to comprise a protruding surface structure. The protruding surface structure can provide a structural support for a head cover of the heat exchange coil pack, and therefore the head cover can resist deformation caused by external force and the like. The protruding surface structure can further help the head cover to be kept on the surface of the coil end plate. The protruding surface structure of the coil end plate can be formed by making a part of the coil end plate deform (such as curling or stamping) from the back of the coil end plate, so that the back of the coil end plate keeps flat. In the assembly process, the flat back of the coil end plate can be connected with a side panel of an indoor unit.
Description
Technical field
The utility model is usually directed to heating, heating ventilation and air-conditioning (" HVAC ") system, and is particularly related to the heat-exhange coil assembly of HVAC system.Usually, method, system and device are described, these mthods, systems and devices are for the coil pipe end plate of heat-exhange coil assembly.
Background technology
Heat-exhange coil assembly has been applied in HVAC system.Heat-exhange coil assembly can be configured to comprise multiple heat exchanger tubes.These heat exchanger tubes are for example generally configured to, at inside carrying fluid, cold-producing medium or process fluid (as the water being regulated by HVAC system).In the time of these heat exchanger tubes of air process, the fluid in this air and these heat exchanger tubes forms heat exchange relationship, thereby contributes to heat-shift between this fluid and this air.
Heat-exhange coil assembly can be configured to comprise coil pipe end plate sometimes.These coil pipe end plates can be configured to comprise multiple holes, and these holes are configured to receive these heat exchanger tubes.These coil pipe end plates can provide structure support to these heat exchanger tubes, therefore contribute to improve the structural intergrity of heat-exhange coil assembly.
Utility model content
The utility model discloses each embodiment of the coil pipe end plate of heat-exhange coil assembly, the docking head capping of stating coil pipe end plate of closing provides structure support, thereby this head capping can be resisted the distortion being produced by external force.
In certain embodiments, this coil pipe end plate can be configured to comprise the surface texture of multiple projections, for example lug or flange.In certain embodiments, the surface texture of above-mentioned projection can be configured to the inner surface of the head capping that engages this heat-exhange coil assembly, thereby provides structure support to this head capping.
In certain embodiments, this coil pipe end plate can also comprise along the lateral margin of multiple projections of the profile of this coil pipe end plate.In certain embodiments, for example, the profile of this coil pipe end plate is the case shape of essentially rectangular, and the lateral margin of above-mentioned projection can be configured to along some or all of the four edges of the profile of this essentially rectangular.
In certain embodiments, the alar part of this head capping can be positioned between a surface texture in the surface texture of a lateral margin in the lateral margin of above-mentioned projection and corresponding projection.In certain embodiments, the alar part of this head capping can be configured to engage the protruding surface texture of this coil pipe end plate and the lateral margin of corresponding projection, and is kept by the lateral margin of this protruding surface texture and corresponding projection.In certain embodiments, the spacing between the lateral margin of the corresponding projection of this protruding surface texture and this can be configured to approximately identical with the width of the alar part of the head capping of this heat-exhange coil assembly.
In certain embodiments, the surface texture of above-mentioned projection can be configured to by the back from this coil pipe end plate, the part distortion of this coil pipe end plate be made.In certain embodiments, making after the surface texture of above-mentioned projection, it is smooth that the back of this coil pipe end plate can remain.In certain embodiments, the smooth back of this coil pipe end plate can be configured to engage the side panel of indoor set.
In certain embodiments, the surface texture of above-mentioned projection is flange or lug, and it can be made by the back of this coil pipe end plate of punching press.
In certain embodiments, the coil pipe end plate of heat-exhange coil assembly can comprise the surface texture of multiple projections, and the surface texture of the plurality of projection is configured to head capping to engage and be held on the surface of this coil pipe end plate; And the back of this coil pipe end plate is configured to engage the side panel of indoor set.
Consider following the detailed description and the accompanying drawings, other features and the each side of each embodiment will become apparent.
Brief description of the drawings
Referring now to accompanying drawing, wherein similarly mark represents corresponding parts in literary composition.
Fig. 1 is the stereogram of the indoor set of HVAC system.
Fig. 2 A and 2B show the stereogram of the heat-exhange coil assembly of the indoor set shown in Fig. 1.
Fig. 3 A to 3C shows the coil pipe end plate of the indoor set shown in Fig. 1 and the different stereograms of head capping.Fig. 3 A shows the stereogram of the head capping of this coil pipe end plate and connection.Fig. 3 B shows the stereogram of this coil pipe end plate.Fig. 3 C shows the side view of this coil pipe end plate.
Fig. 4 shows the amplification front view of the indoor set shown in Fig. 1.Show the engaging of side panel of this coil pipe end plate and this indoor set.
Fig. 5 A to 5D shows the partial perspective view of coil pipe end plate, has shown the different embodiment of the protruding surface texture of coil pipe end plate.
Fig. 6 shows the partial perspective view of coil pipe end plate and head capping.
Detailed description of the invention
Various heat-exhange coil assemblies have been applied in HVAC system.Heat-exhange coil assembly can be configured to have multiple heat exchanger tubes, these heat exchanger tubes be for example configured to flow through these heat exchanger tubes outer surface air and be carried between the fluid (as cold-producing medium or water) in these heat exchanger tubes and form heat exchange relationship.In the time that this air flows through the outer surface of these heat exchanger tubes, this air can be regulated by the fluid in these heat exchanger tubes (cooling or heating).In this heat-exhange coil assembly, these heat exchanger tubes are often configured to extend between two coil pipe end plates.These coil pipe end plates can be configured to have hole, and these holes are configured to receive these heat exchanger tubes.These heat exchanger tubes can pass the hole of these coil pipe end plates, and these coil pipe end plates can provide structure support for these heat exchanger tubes.
These heat exchanger tubes can be connected with coil pipe head, and these coil pipe header arrangement become distributing fluids to enter these heat exchanger tubes or collect the fluid that flows out these heat exchanger tubes.In certain embodiments, these coil pipe heads can be covered by train head lid at least in part and protect, and this train head lid is often configured to be connected on the surface of coil pipe end plate.This train head lid sometimes may be being for example subject to external force and being out of shape in transport, thus cause coil pipe head and/or heat exchanger tube impaired.
Each embodiment that the utility model discloses relates to the protruding surface texture of the coil pipe end plate of heat-exhange coil assembly, and these protruding surface textures are configured to the capping to coil pipe head structure support is provided, thereby contributes to prevent this coil pipe head capping distortion.In certain embodiments, coil pipe end plate is configured to have the surface texture (as flange or lug) of multiple projections, and these protruding surface textures protrude from the surface of coil pipe end plate.In certain embodiments, the surface texture of the plurality of projection can be configured to the inner surface of engages head end cap and provide structure support to this train head lid, thereby prevents that train head lid is out of shape in the time being subject to external force.In certain embodiments, the surface texture of the plurality of projection can also contribute to this coil pipe head capping to remain on the surface of above-mentioned coil pipe end plate.These protruding surface textures can be made the part distortion (for example curling or punching press) of above-mentioned coil pipe end plate by the back from above-mentioned coil pipe end plate.A kind of relatively easy manufacturing process by the part distortion of above-mentioned coil pipe end plate.
With reference to forming the accompanying drawing of a part of the present utility model, and illustrate by illustrated mode therein can effective each embodiment.Should be appreciated that the term using in the utility model is in order to describe each accompanying drawing and each embodiment, and should not be regarded as the scope for limiting this application.
Fig. 1 shows the HVAC indoor set 100 that comprises heat-exhange coil assembly 110 according to an embodiment.This indoor set 100 comprises housing 115, and this housing 115 is configured to hold this heat-exhange coil assembly 110.Fan 120 is connected on this housing 115 and is configured to order about air and flows through this heat-exhange coil assembly 110, thereby this air can be regulated by this heat-exhange coil assembly 110.This housing 115 comprises side panel 150.
This heat-exhange coil assembly 110 comprises coil pipe end plate 112.Multiple heat exchanger tubes 113 of this heat-exhange coil assembly 110 stretch out from this coil pipe end plate 112.This coil pipe end plate 112 can be configured to these heat exchanger tubes 113 that structure support is provided.Be appreciated that these heat exchanger tubes 113 extend in the vertical, this longitudinally limits (not showing the extension of the heat exchanger tube in this housing 115) by the length L 1 in this housing 115.
The end of these heat exchanger tubes 113 is stretched out and is configured to from this coil pipe end plate 112 and is connected with 130b with head 130a.This head 130a is configured to for example collect the fluid that flows back to this head 130a by heat exchanger tube 113, and this head 130b is configured to for example fluid (for example cold-producing medium or water) is assigned in heat exchanger tube 113.
Head capping 140 is configured to cover at least in part part and/or head 130a and the 130b of the heat exchanger tube 113 stretching out from this coil pipe end plate 112.In the each embodiment illustrating, this head capping 140 is configured to have the box-shaped of the essentially rectangular being formed by two side panel 142a and 142b and end plate 144, and is configured to hold heat exchanger tube 113 and head 130a and 130b.These two side panel 142a are connected by end plate 144 with 142b.Head capping 140 can have installing hole 155, and these installing holes 155 are configured to receive for example screw.Head capping 140 can provide some to protect to avoid for example external force or exterior object injury for heat exchanger tube 113 and/or head 130a and 130b.In certain embodiments, head capping 140 can be to be made up of sheet metal.
Should be appreciated that a just example of head capping 140 of the box-shaped of essentially rectangular.Head capping 140 can be configured to have other shapes.Generally, head capping 140 is configured to exchange heat pipe 113 and/or head 130a and 130b some protections is provided.
Fig. 2 A and 2B further show this heat-exhange coil assembly 110, and this heat-exhange coil assembly 110 comprises heat exchanger tube 113, coil pipe end plate 112, head capping 140 and head 130a and 130b.As shown in Figure 2 A and 2B, this heat-exhange coil assembly 110 has two coil pipe end plates 112.Heat exchanger tube 113 is configured to extend (not being presented in the drawings the part of the heat exchanger tube 113 extending between these two coil pipe end plates) between these two coil pipe end plates 112.
Coil pipe end plate 112 is configured to have multiple holes 116, and these holes 116 are configured to hold heat exchanger tube 113.Each hole 116 can be configured to accept a heat exchanger tube 113 conventionally.Because heat exchanger tube 113 can be supported in hole 116, coil pipe end plate 112 can provide structure support to the heat exchanger tube 113 in this heat-exhange coil assembly 110.
Head capping 140 is configured to bond pad tube end sheet 112.Head capping 140 is generally configured to cover at least in part a part for head 130a and 130b and heat exchanger tube 113, therefore provides protection to head 130a and 130b and/or heat exchanger tube 113.
With reference to Fig. 1,2A and 2B, in the time that this heat-exhange coil assembly 110 is assembled on this indoor set 100, coil pipe end plate 112 is configured to engage the side panel 150 of this housing 115.Can via for example screw, coil pipe end plate 112 and head capping 140 be installed in side panel 150 by installing hole 155.
With reference to Fig. 3 A to 3C, show the more details of coil pipe end plate 112 and head capping 140.As shown in Figure 3A, coil pipe end plate 112 and head capping 140 are configured to interconnect or engage conventionally.Coil pipe end plate 112 has the protruding lateral margin 162 along the peripheral outline of this coil pipe end plate 112.Coil pipe end plate 112 also has hole 116, and these holes 116 are configured to hold heat exchanger tube 113(example as shown in fig. 1).
Coil pipe end plate 112 has the surface texture 166 of multiple projections, for example flange or lug, and these protruding surface textures 166 protrude from the surface 170 of coil pipe end plate 112.The surface texture 166 of projection can separate spacing with the lateral margin of corresponding projection 162.For example, as shown in Figure 3 B, the surface texture 166b of projection and the lateral margin 162b of corresponding projection separate space D 3.Similarly, the surface texture 166a of projection also can separate identical space D 3 with the lateral margin 162a of corresponding projection.The lateral margin (as 162b) of corresponding projection, be to be positioned at the protruding lateral margin 162 of locating near protruding surface texture (as 166b), and the lateral margin of corresponding projection and protruding surface texture generally extend in same direction.
Head capping 140 can have two alar part 164a and 164b, and these two alar part 164a and 164b are configured to the protruding lateral margin 162 of bond pad tube end sheet 112 and/or the surface texture 166 of corresponding projection.Alar part 164a and 164b are generally the parts that stretches out of head capping 140.
As shown in Figure 3A, the alar part 164a of head capping 140 and 164b can be configured to be positioned between a lateral margin in a surface texture and the corresponding protruding lateral margin 162 in protruding surface texture 166.For example, alar part 164a can be positioned between protruding surface texture 166a and the lateral margin 162a of corresponding projection; And alar part 164b can be positioned between protruding surface texture 166b and the lateral margin 162b of corresponding projection.Space D 3 between the lateral margin 162b of the extremely corresponding projection of the surface texture 166b of for example projection can be configured to approximately identical with the width W 3 of alar part 164a or 164b.Therefore, alar part 164a and 164b can be positioned over respectively between protruding surface texture 166a, 166b and lateral margin 162a, the 162b of corresponding projection.The surface texture 166 of projection is configured in the time alar part 164a and 164b being positioned over respectively between protruding surface texture 166a, 166b and lateral margin 162a, the 162b of corresponding projection and the inner surface 172 of engages head capping 140.
In certain embodiments, protruding lateral margin 162 and protruding surface texture 166 are engaged with head capping 140 and can contribute to this head capping 140 to be held on the surface 170 of coil pipe end plate 112.
Be appreciated that alar part 164a and 164b are exemplary.Head capping 140 is configured to comprise a kind of structure (for example flat surface) conventionally, and this structure is configured to the surface 170 of bond pad tube end sheet 112.Will also be appreciated that in certain embodiments, alar part 164a or 164b be lateral margin 162a or the 162b of bump bonding not.Can be only by protruding surface texture, alar part 164a or 164b be held on the surface 170 of coil pipe end plate 112 (referring to for example Fig. 5 D and 6).
The surface texture 166 of projection, for example flange shown in Fig. 3 A and 3B, can make the part distortion (for example curling or punching press) of coil pipe end plate 112 by the back 180 from coil pipe end plate 112, and this relatively easily carries out in manufacturing process.As shown in Figure 3 C, because protruding surface texture 166 can be made the part distortion of coil pipe end plate 112 by the back 180 from coil pipe end plate 112, making after protruding surface texture 166, this back 180 still keeps substantially smooth.
With reference to Fig. 4, in the time that this heat-exhange coil assembly 110 is assembled on this indoor set 100, the smooth back 180 of coil pipe end plate 112 is configured to engage the side panel 150 of this housing 115.This smooth back 180 can engage side panel 150.This can contribute to maintain the good structural intergrity that engages and can contribute to prevent the air leakage between coil pipe end plate 112 and side panel 150 and/or improve this indoor set 100 between coil pipe end plate 112 and side panel 150.
Return to Fig. 3 A, the inner surface 172 of the surface texture 166 engages head cappings 140 of projection.In the time for example promoting this head capping 140 by side direction external force F, the surface texture 166 of projection can provide supporting to resist this side direction external force F to this head capping 140, thereby this head capping 140 can resistance to deformation, otherwise will cause distortion by this side direction external force F.Therefore, the surface texture 166 of projection provides structure support to this head capping 140.
The surface texture of projection can have various shapes and form.Fig. 5 A to 5D shows respectively other embodiment 566a, 566b, 566c and the 566d of protruding surface texture.As shown in Figure 5A, the surface texture 566a of projection can be the release sheet that leaves the surperficial 570a of coil pipe end plate 512a, for example sheet material of skylight shape.
As shown in Figure 5 B, the surface texture 566b of projection can be the half dome shape structure on the surperficial 570b of coil pipe end plate 512b.As shown in Figure 5 C, the surface texture 566c of projection can be the bridge-like structure on the surperficial 570c of coil pipe end plate 512c.
As shown in Figure 5 D, the surface texture 566d of projection can be the two bridge-like structures on the surperficial 570d of coil pipe end plate 512d.The protruding surface texture 566d of this doube bridge shape has clearance G 5 between bridge shape part 566d-1 and 566d-2.This clearance G 5 can be configured to receive the alar part (alar part 164a and the 164b of for example head capping 140) of head capping, thereby the alar part of this head capping can be positioned between bridge shape part 566d-1 and 566d-2.In certain embodiments, this head capping can be made up of sheet metal.This clearance G 5 can be configured to the thickness of about sheet metal.Can directly this sheet metal be positioned in clearance G 5, and alar part can be optional.
As shown in Figure 6, the alar part 664 of head capping 640 can comprise groove 672, and this groove 672 is configured to receive the protruding surface texture 666 of coil pipe end plate 612, for example flange or lug.Protruding surface texture 666 is engaged with alar part 664 and can contribute to head capping 640 structure support to be provided and/or to contribute to this head capping 640 is held on the surface 670 of coil pipe end plate 612.
Be appreciated that the each embodiment shown in the utility model is exemplary.Total principle is to provide the protruding surface texture on coil pipe end plate, and the surface texture of above-mentioned projection is configured to the capping to head structure support is provided, thereby this head capping can resistance to deformation, otherwise this distortion will be caused by external force.The surface texture of projection can also be configured to this head capping to be held on the surface of coil pipe end plate.The surface texture of projection can easily be made the part distortion (for example curling or punching press) of coil pipe end plate by the back from coil pipe end plate, thereby this coil pipe panel can also have roughly smooth plane.The side panel that the smooth back of coil pipe end plate can be connected to or engage indoor set to realize good engaging between this side panel and coil pipe end plate.
For noted earlier, be appreciated that in the situation that not departing from the utility model scope, can modify in detail.It is only exemplary that description and described each embodiment are intended to be regarded as, and the broad sense of claims represents the scope and spirit that the utility model is real.
Claims (9)
1. a coil pipe end plate for heat-exhange coil assembly, is characterized in that, comprising:
The surface texture of multiple projections, the surface texture of wherein said projection is configured to the inner surface of the head capping that engages described heat-exhange coil assembly.
2. coil pipe end plate according to claim 1, is characterized in that, also comprises:
Along the lateral margin of multiple projections of the profile of described coil pipe end plate, spacing between a lateral margin in the lateral margin of surface texture in the surface texture of wherein said multiple projections and adjacent described multiple projections is configured to the width of the alar part of the head capping of described heat-exhange coil assembly identical, and the alar part of the head capping of wherein said heat exchanger coil is configured to be positioned between a lateral margin in the lateral margin of surface texture in the surface texture of described multiple projections and adjacent described multiple projections.
3. coil pipe end plate according to claim 1, is characterized in that, the surface texture of described multiple projections is made described coil pipe end plate distortion by the back from described coil pipe end plate.
4. coil pipe end plate according to claim 1, is characterized in that, the surface texture of described multiple projections is flanges.
5. coil pipe end plate according to claim 1, is characterized in that, in the time of assembling indoor set, the back of described coil pipe end plate is configured to engage the side panel of described indoor set.
6. a coil pipe end plate for heat-exhange coil assembly, is characterized in that, comprising:
The surface texture of multiple projections, the surface texture of the plurality of projection is configured to engage the lip-deep head capping of described coil pipe end plate; And
The back of described coil pipe end plate, the back of described coil pipe end plate is configured to engage the side panel of indoor set in the time of assembling;
The surface texture of wherein said multiple projections is made the part distortion of described coil pipe end plate by the back from described coil pipe end plate, smooth thereby the back of described coil pipe end plate keeps.
7. a heat-exhange coil assembly, is characterized in that, comprising:
The first end plate and the second end plate;
Multiple heat exchanger tubes, the plurality of heat exchanger tube extends between described the first end plate and described the second end plate; And
Head capping, described head capping has outward extending alar part;
Wherein said the first end plate has the lateral margin of protruding surface texture and corresponding projection, described alar part is placed between the surface texture of described projection and the lateral margin of corresponding projection, and the surface texture of described projection engages the inner surface of described head capping.
8. heat-exhange coil assembly according to claim 7, is characterized in that,
The surface texture of described projection is made described the first end plate distortion by the back from described end plate.
9. heat-exhange coil assembly according to claim 7, is characterized in that,
The surface texture of described projection is flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889542.XU CN203785517U (en) | 2012-12-31 | 2013-12-31 | Coil end plate of heat exchange coil pack |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2012/088104 | 2012-12-31 | ||
| PCT/CN2012/088104 WO2014101215A1 (en) | 2012-12-31 | 2012-12-31 | Coil end plate for a heat exchanger coil assembly |
| CN201320889542.XU CN203785517U (en) | 2012-12-31 | 2013-12-31 | Coil end plate of heat exchange coil pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785517U true CN203785517U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889542.XU Expired - Lifetime CN203785517U (en) | 2012-12-31 | 2013-12-31 | Coil end plate of heat exchange coil pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008847A (en) * | 2012-12-31 | 2015-10-28 | 特灵空调系统(中国)有限公司 | Coil end plate for heat exchanger coil assembly |
| WO2017049609A1 (en) * | 2015-09-25 | 2017-03-30 | Trane Air Conditioning Systems (China) Co., Ltd. | Fixing device for heat exchanger |
-
2013
- 2013-12-31 CN CN201320889542.XU patent/CN203785517U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008847A (en) * | 2012-12-31 | 2015-10-28 | 特灵空调系统(中国)有限公司 | Coil end plate for heat exchanger coil assembly |
| WO2017049609A1 (en) * | 2015-09-25 | 2017-03-30 | Trane Air Conditioning Systems (China) Co., Ltd. | Fixing device for heat exchanger |
| US10156368B2 (en) | 2015-09-25 | 2018-12-18 | Trane Air Conditioning Systems (China) Co., Ltd. | Fixing device for heat exchanger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |