CN102374816A - Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner - Google Patents
Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner Download PDFInfo
- Publication number
- CN102374816A CN102374816A CN 201110351459 CN201110351459A CN102374816A CN 102374816 A CN102374816 A CN 102374816A CN 201110351459 CN201110351459 CN 201110351459 CN 201110351459 A CN201110351459 A CN 201110351459A CN 102374816 A CN102374816 A CN 102374816A
- Authority
- CN
- China
- Prior art keywords
- bridge
- heat exchanger
- bridge type
- type projection
- fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a ring-wing bridge-type heat-exchanger fin, a heat exchanger and an air conditioner. The ring-wing bridge-type heat-exchanger fin comprises at least one column of fins, wherein each column of fins are provided with a plurality of pipe holes, the upper side and the lower side of each pipe hole are symmetrically provided with first window-sheet units, and each first window-sheet unit comprises a plurality of parallel first bridge-shaped projections; a second window-sheet unit is also arranged between the two adjacent first window-sheet units, and the second window-sheet unit comprises a plurality of parallel second bridge-shaped projections; and the second bridge-shaped projections are vertically arranged, and the first bridge-shaped projections are obliquely arranged. By arranging the first window-sheet units and the second window-sheet units on the fins and through the first bridge-shaped projections and the second bridge-shaped projections, the contact area of the fins and inlet wind can be effectively increased, and the heat-exchanging efficiency of the ring-wing bridge-type heat-exchanger fin is improved to improve the heat-exchanging efficiency of the heat exchanger and the energy-efficiency ratio of the air conditioner.
Description
Technical field
The present invention relates to air-conditioning equipment, relate in particular to a kind of ring wing bridge formula heat exchanger fin, heat exchanger and air-conditioning.
Background technology
At present, the heat exchanger in the air-conditioning mainly is made up of some fins and some copper pipes of expanded joint on fin, and the design of the fin structure pattern of heat exchanger is very important on the air-conditioning, and it can directly influence the efficient of heat convection, thereby influences the height of heat.The version of air-condition heat exchanger fin has varied, from initial plate fin, corrugated fin, and louvered fin that develops finally and slitted fin etc.But existing fin structure still exists and does not improve part, mainly is that the design aspect the contact area of air intake and fin is still inadequate, and fin and air intake contact area are little, causes the heat exchange efficiency of heat exchanger high not enough, causes the Energy Efficiency Ratio of air-conditioning lower.
Summary of the invention
The present invention provides a kind of ring wing bridge formula heat exchanger fin, heat exchanger and air-conditioning; Heat exchange efficiency in order to solve heat exchanger in the prior art is high not enough; The lower defective of Energy Efficiency Ratio that causes air-conditioning, realization improves the heat exchange efficiency of heat exchanger, to improve the Energy Efficiency Ratio of air-conditioning.
The present invention provides a kind of ring wing bridge formula heat exchanger fin; Comprise at least one row fin; Have plurality of tube holes on the said fin of every row, the bilateral symmetry up and down of each said pore is provided with the first window unit, and the said first window unit comprises a plurality of first parallel bridge type projections; Also be provided with the second window unit between adjacent two said first window unit, the said second window unit comprises a plurality of second parallel bridge type projections; The said second bridge type projection vertically is provided with, and the said first bridge type projection is obliquely installed.
Ring wing bridge formula heat exchanger fin provided by the invention; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
Aforesaid ring wing bridge formula heat exchanger fin, the angle of said first bridge type projection and horizontal direction are 15 degree-60 degree.
Aforesaid ring wing bridge formula heat exchanger fin; The height that the said first bridge type projection exceeds said fin basal plane is 0.5 millimeter-0.8 millimeter; The width of the said first bridge type projection is 1.0 millimeters-1.8 millimeters, and the length of the said first bridge type projection is 1.0 millimeters-4.0 millimeters.
Aforesaid ring wing bridge formula heat exchanger fin, the height that the said second bridge type projection exceeds said fin basal plane are 0.5 millimeter-0.8 millimeter, and the width of the said second bridge type projection is 1.0 millimeters-1.8 millimeters.
Aforesaid ring wing bridge formula heat exchanger fin, the said second bridge type projection in the said second window unit forms hourglass formula structure.
Aforesaid ring wing bridge formula heat exchanger fin, the said first bridge type projection in two said first window unit that the bilateral symmetry up and down of said pore is provided with forms oval structure.
Aforesaid ring wing bridge formula heat exchanger fin, the length of the said second bridge type projection are 1.0 millimeters-3.0 millimeters.
Aforesaid ring wing bridge formula heat exchanger fin, the distance between adjacent two said first bridge type projections is 1.2 millimeters-1.8 millimeters.
The present invention provides a kind of heat exchanger, comprises aforesaid ring wing bridge formula heat exchanger fin.
Heat exchanger provided by the invention; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
The present invention provides a kind of air-conditioning, comprises aforesaid heat exchanger.
Air-conditioning provided by the invention; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of ring wing bridge formula heat exchanger fin embodiment of the present invention;
Fig. 2 be among Fig. 1 A to partial schematic diagram.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the structural representation of ring wing bridge formula heat exchanger fin embodiment of the present invention, Fig. 2 be among Fig. 1 A to partial schematic diagram.Like Fig. 1-shown in Figure 2; Present embodiment ring wing bridge formula heat exchanger fin comprises at least one row fin 100, has plurality of tube holes 1 on every row fin 100; The bilateral symmetry up and down of each pore 1 is provided with 2, the first window unit 2, the first window unit and comprises a plurality of first parallel bridge type projections 21; Also be provided with 3, the second window unit 3, the second window unit between adjacent two the first window unit 2 and comprise a plurality of second parallel bridge type projections 31; The second bridge type projection 31 vertically is provided with, and the first bridge type projection 21 is obliquely installed.
Particularly; Every row fin 100 in the present embodiment ring wing bridge formula heat exchanger fin is provided with a plurality of pores 1; And the bilateral symmetry up and down at pore 1 is provided with the first window unit 2; The first window unit 2 is made up of a plurality of first bridge type projections 21 that are obliquely installed, and is made up of the second bridge type projection 31 of a plurality of vertical settings and also be provided with 3, the second window unit 3, the second window unit between adjacent two the first window unit 2.Wind passes in the process of fin 100; Wind energy reaches from the bridge opening of the bridge-type structure of the first bridge type projection 21 and 31 formation of the second bridge type projection and directly passes, and has effectively increased the contact area of fin 100 with wind through the first bridge type projection 21 and the second bridge type projection 31; In addition; Because the first bridge type projection 21 is obliquely installed; And the second bridge type projection 31 vertically is provided with; The first bridge type projection 21 and the second bridge type projection 31 can be destroyed wind disturbance with increase wind in the fin 100 surperficial boundary layers that form; The wind that makes fin 100 surfaces of flowing through makes the wind on fin 100 surfaces form the purpose of gas whirlpool with enhanced heat exchange, thereby effectively raises the heat exchange efficiency of the heat exchange efficiency of present embodiment ring wing bridge formula heat exchanger fin with heat exchanger under the guide effect of the first bridge type projection 21 and the second bridge type projection 31.
Further, for the disturbance that effectively strengthens wind forms the stronger gas whirlpool of wider intensity, the first bridge type projection 31 in the present embodiment can be 15 degree-60 degree with the angle of horizontal direction.Concrete; Through the first bridge type projection 31 is provided with the appropriate tilt angle; Can effectively destroy the boundary layer that wind forms on fin 100 surfaces; Under the guide effect of the first bridge type projection 21 and the second bridge type projection 31, the wind energy on fin 100 surfaces of flowing through forms the stronger gas whirlpool of wider intensity, thereby effectively raises the heat exchange efficiency of present embodiment ring wing bridge formula heat exchanger fin.Wherein, the height that the first bridge type projection 21 in the present embodiment exceeds fin 100 basal planes can be 0.5 millimeter-0.8 millimeter, and the width of the first bridge type projection 21 is 1.0 millimeters-1.8 millimeters, and the length of the first bridge type projection 21 is 1.0 millimeters-4.0 millimeters; The height that the second bridge type projection 31 in the present embodiment exceeds fin 100 basal planes can be 0.5 millimeter-0.8 millimeter, and the width of the second bridge type projection 31 is 1.0 millimeters-1.8 millimeters.Through the first bridge type projection 21 and the second bridge type projection 31 that appropriate size is set; Can effectively reduce windage to wind; And condensation water can more effectively be dripped from present embodiment ring wing bridge formula heat exchanger fin; Thereby the wind energy on fin 100 surfaces of flowing through is flowed enough more smoothly, take into account the problem of off-premises station heat exchanger frosting simultaneously, improved the heat exchange efficiency of present embodiment ring wing bridge formula heat exchanger fin greatly.
Further, the second bridge type projection 31 in the second window unit 3 in the present embodiment forms hourglass formula structure.Concrete; Monnolithic case through the second window unit 3 is set to hourglass formula structure; The second bridge type projection 31 of different length effectively leads to the flow direction of wind, and air intake is more evenly distributed, and brings into play the exchange capability of heat of the second bridge type projection 31 in the present embodiment to the full extent.Preferably, the first bridge type projection 21 in two the first window unit 2 that bilateral symmetry is provided with about in the of 1 of the pore in the present embodiment forms oval structure.Concrete; Through the first bridge type projection 21 in two the first window unit 2 of pore both sides about in the of 1 is formed oval structure; The flow direction that can effective guidance wind has reduced the wake zone of pore 1 rear side simultaneously, has improved the heat exchange efficiency of present embodiment ring wing bridge formula heat exchanger fin.Wherein, the length of the second bridge type projection 31 can be 1.0 millimeters-3.0 millimeters; Distance between adjacent two the first bridge type projections 21 can be 1.2 millimeters-1.8 millimeters.Concrete; The overall structure that the first bridge type projection 21 through appropriate size is set and the second bridge type projection 31 can be present embodiment ring wing bridge formula heat exchanger fin is compact more; Versatility is better; And be easier to processing, effectively reduced the manufacturing cost of present embodiment ring wing bridge formula heat exchanger fin.
Present embodiment ring wing bridge formula heat exchanger fin; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
The present invention also provides a kind of heat exchanger, comprises ring wing bridge formula heat exchanger fin.Concrete; Ring wing bridge formula heat exchanger fin in the present embodiment can adopt the ring wing bridge formula heat exchanger fin among the ring wing bridge formula heat exchanger fin embodiment of the present invention; Its concrete structure can repeat no more at this referring to the record of ring wing bridge formula heat exchanger fin embodiment of the present invention and accompanying drawing 1-Fig. 2.
The present embodiment heat exchanger; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
The present invention provides a kind of air-conditioning again, comprises heat exchanger.Wherein, this heat exchanger can adopt the heat exchanger in the heat exchanger embodiments of the present invention.
The present embodiment air-conditioning; Through the first window unit and the second window unit are set on fin; Can effectively increase the contact area of fin and air intake through the first bridge type projection and the second bridge type projection; Improved the heat exchange efficiency of ring wing bridge formula heat exchanger fin, with the heat exchange efficiency of raising heat exchanger and the Energy Efficiency Ratio of air-conditioning; In addition; Because the first bridge type projection is obliquely installed around pore; Can destroy air intake in the boundary layer that fin surface forms through the first bridge type projection that is obliquely installed, increase the disturbance of air intake, make air intake under the water conservancy diversion of the first bridge type projection, form the gas whirlpool naturally; Reaching the purpose of enhanced heat exchange, thereby more help improving the heat exchange efficiency of heat exchanger.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. one kind is encircled wing bridge formula heat exchanger fin; Comprise at least one row fin; Have plurality of tube holes on the said fin of every row, it is characterized in that: the bilateral symmetry up and down of each said pore is provided with the first window unit, and the said first window unit comprises a plurality of first parallel bridge type projections; Also be provided with the second window unit between adjacent two said first window unit, the said second window unit comprises a plurality of second parallel bridge type projections; The said second bridge type projection vertically is provided with, and the said first bridge type projection is obliquely installed.
2. ring wing bridge formula heat exchanger fin according to claim 1 is characterized in that, the angle of said first bridge type projection and horizontal direction is 15 degree-60 degree.
3. ring wing bridge formula heat exchanger fin according to claim 2; It is characterized in that; The height that the said first bridge type projection exceeds said fin basal plane is 0.5 millimeter-0.8 millimeter; The width of the said first bridge type projection is 1.0 millimeters-1.8 millimeters, and the length of the said first bridge type projection is 1.0 millimeters-4.0 millimeters.
4. according to the arbitrary described ring wing bridge formula heat exchanger fin of claim 1-3, it is characterized in that the height that the said second bridge type projection exceeds said fin basal plane is 0.5 millimeter-0.8 millimeter, the width of the said second bridge type projection is 1.0 millimeters-1.8 millimeters.
5. ring wing bridge formula heat exchanger fin according to claim 4 is characterized in that, the said second bridge type projection in the said second window unit forms hourglass formula structure.
6. ring wing bridge formula heat exchanger fin according to claim 5 is characterized in that, the said first bridge type projection in two said first window unit that bilateral symmetry is provided with about the said pore forms oval structure.
7. ring wing bridge formula heat exchanger fin according to claim 4 is characterized in that, the length of the said second bridge type projection is 1.0 millimeters-3.0 millimeters.
8. ring wing bridge formula heat exchanger fin according to claim 4 is characterized in that, the distance between adjacent two said first bridge type projections is 1.2 millimeters-1.8 millimeters.
9. a heat exchanger is characterized in that, comprises arbitrary described ring wing bridge formula heat exchanger fin like claim 1-8.
10. an air-conditioning is characterized in that, comprises heat exchanger as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110351459 CN102374816A (en) | 2011-11-09 | 2011-11-09 | Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110351459 CN102374816A (en) | 2011-11-09 | 2011-11-09 | Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374816A true CN102374816A (en) | 2012-03-14 |
Family
ID=45793770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110351459 Pending CN102374816A (en) | 2011-11-09 | 2011-11-09 | Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102374816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062728A1 (en) * | 2018-09-30 | 2020-04-02 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723599A (en) * | 1987-03-06 | 1988-02-09 | Lennox Industries, Inc. | Lanced fin heat exchanger |
| US5848638A (en) * | 1995-12-28 | 1998-12-15 | Daewoo Electronics Co., Ltd. | Finned tube heat exchanger |
| JP2007010279A (en) * | 2005-07-01 | 2007-01-18 | Daikin Ind Ltd | Fin tube type heat exchanger |
| CN101315261A (en) * | 2007-05-28 | 2008-12-03 | 海尔集团公司 | Finned tube type heat converter of air conditioner |
| CN201226477Y (en) * | 2008-07-03 | 2009-04-22 | 无锡华申热工流体设备厂 | CMI threading type radiating fin |
| CN201731686U (en) * | 2010-07-18 | 2011-02-02 | 广东美的电器股份有限公司 | Finned heat exchanger of air conditioner |
| CN101963472A (en) * | 2010-05-19 | 2011-02-02 | 张家港市恒强冷却设备有限公司 | Radiating fin of plate-fin heat interchanger |
| CN102087079A (en) * | 2011-02-23 | 2011-06-08 | 浙江工业大学 | Radial type reinforced heat exchange fin |
-
2011
- 2011-11-09 CN CN 201110351459 patent/CN102374816A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723599A (en) * | 1987-03-06 | 1988-02-09 | Lennox Industries, Inc. | Lanced fin heat exchanger |
| US5848638A (en) * | 1995-12-28 | 1998-12-15 | Daewoo Electronics Co., Ltd. | Finned tube heat exchanger |
| JP2007010279A (en) * | 2005-07-01 | 2007-01-18 | Daikin Ind Ltd | Fin tube type heat exchanger |
| CN101315261A (en) * | 2007-05-28 | 2008-12-03 | 海尔集团公司 | Finned tube type heat converter of air conditioner |
| CN201226477Y (en) * | 2008-07-03 | 2009-04-22 | 无锡华申热工流体设备厂 | CMI threading type radiating fin |
| CN101963472A (en) * | 2010-05-19 | 2011-02-02 | 张家港市恒强冷却设备有限公司 | Radiating fin of plate-fin heat interchanger |
| CN201731686U (en) * | 2010-07-18 | 2011-02-02 | 广东美的电器股份有限公司 | Finned heat exchanger of air conditioner |
| CN102087079A (en) * | 2011-02-23 | 2011-06-08 | 浙江工业大学 | Radial type reinforced heat exchange fin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062728A1 (en) * | 2018-09-30 | 2020-04-02 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109351117B (en) | Wet flue gas defogging and water collecting integrated device | |
| CN110657695A (en) | Design method of condensation end of heat pipe of power station boiler | |
| CN104729317B (en) | A kind of indirect cooling tower cooling down bougainvillea flap layout | |
| CN102767982B (en) | Louver fin and heat exchanger adopting louver fins | |
| CN101852568A (en) | Air-conditioning heat exchanger fins and heat exchanger | |
| CN205279839U (en) | Heat exchanger fin and have heat exchanger of this heat exchanger fin | |
| CN212778813U (en) | Fin assembly, heat exchanger and air conditioner | |
| CN201697519U (en) | Fins of air-conditioning heat exchanger and heat exchanger | |
| CN102374816A (en) | Ring-wing bridge-type heat-exchanger fin, heat exchanger and air conditioner | |
| CN202329340U (en) | Ring-wing bridge type heat exchanger fin, heat exchanger and air conditioner | |
| CN202470237U (en) | Ultrathin card type air conditioner | |
| CN101424490A (en) | Discontinuous double oblique crossing rib strengthened heat exchange method between flat-plates | |
| CN202885629U (en) | Heat exchange fins for air condition heat exchanger | |
| CN105300161A (en) | Heat exchanger and cooling fin thereof | |
| CN201697398U (en) | Air conditioner indoor unit evaporator and air conditioner indoor unit | |
| CN205138252U (en) | Do wet closed cooling tower that combines | |
| CN110736372B (en) | Power station boiler heat pipe system | |
| CN201697522U (en) | Efficient heat exchanger fin of air conditioner and heat exchanger | |
| CN204002978U (en) | Air-cooling type cocurrent flow oil cooling machine | |
| CN203824403U (en) | Fin of air heat exchanger | |
| CN202074530U (en) | Vertical sedimentation cooling tower | |
| CN203011019U (en) | Parallel flow condenser and base station air conditioner | |
| CN201302386Y (en) | Oval-shaped tube bundle of cylindrical steam condenser | |
| CN205102644U (en) | Gas heat exchanger | |
| CN205580256U (en) | Novel heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120314 |