CN2679629Y - Heat exchanger having integrated fin and pipe in way of counterflow - Google Patents
Heat exchanger having integrated fin and pipe in way of counterflow Download PDFInfo
- Publication number
- CN2679629Y CN2679629Y CN 03244059 CN03244059U CN2679629Y CN 2679629 Y CN2679629 Y CN 2679629Y CN 03244059 CN03244059 CN 03244059 CN 03244059 U CN03244059 U CN 03244059U CN 2679629 Y CN2679629 Y CN 2679629Y
- Authority
- CN
- China
- Prior art keywords
- pipeline
- plate
- heat
- fin
- exchange device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat exchanger having integrated fin and pipe in the way of counter current, comprising a superimposed metal plates; the plates is provided with a plurality of interphase strip-shaped convex grooves; the two ends of the convex grooves are provided with connecting pipes; a horizontal pipeline is formed from two symmetrically-arranged convex grooves formed from the neighbouring two plates being reversely superimposed. Vertical pipelines are formed between a plurality of connecting pipes; the lower end of the pipeline of each plate on the lowest layer is respectively communicated with two conduct pipes, and the two conduct pipe are respectively connected with the connecting pipes to formed a fluid-actuated component; If the fluid flow direction in each pipeline and fluid flow direction outside each pipeline form an opposite flow mode, a better heat exchanger efficiency can be obtained.
Description
Technical field
The utility model is relevant heat-exchange device, especially about the innovative design of fin in the heat-exchange device and pipeline, reaches the design of relevant loop hot-pipe switch singulation.
Background technology
General plate heat exchange unit comprises that plurality of fins (Fin) is in conjunction with pipeline (Tube); Pipeline is connected to a fluid drive member, for example heat-conducting block (Attach Block), compressor or group Pu etc.As be incorporated into the pyrotoxin top with heat-conducting block, the heat by the absorption of fluids pyrotoxin that heat-conducting block conducts in the pipeline produces absorbs heat via flowing back to heat-conducting block again after the fin heat radiation, and reciprocation cycle is carried out heat exchange action.Existing fin and pipeline are shaped by diverse equipment respectively, its equipment, die cost costliness; And the fin of various difformities, size and the combination of pipeline are difficult for, and its combination operation man-hours requirement is higher, so its manufacturing cost of relative increase.Existing fin and pipeline are that the mode with pressing or welding combines; If with the combination of pressing mode, the thermal contact resistance that its bound fraction produces can seriously influence heat conduction efficiency; If with the welding manner combination, the crystallization of its bound fraction changes can reduce hot transfer efficiency.Presented plate heat exchange unit again, driven cold air with fan and blow to fin and pipeline, to quicken its thermolysis.The flow direction of hot fluid is vertical current to (cross-current mode, Cross flow) configuration in the flow direction of general pipeline outer air and the pipeline, makes the hot/cold fluid of the inlet/outlet section part of heat-exchange device present the thermograde phenomenon.So the pipeline in the radiator needs repeatedly around improving its surface temperature uneven phenomenon.But since make pipeline repeatedly around design, relative meeting increases the crushing of internal system and reduces heat exchanger effectiveness, but also can't improve the thermograde phenomenon fully.Therefore when heat sink applications in the occasion of air-conditioning system, in pipeline, install refrigerant, and when outside pipeline, blowing, can blow out the unequal not good problem of Temperature Susceptibility that produces of temperature of cold wind because of air outlet.
For improving many shortcomings of existing plate heat exchange unit, after the creator studies again and again, finish the utility model eventually.
The utility model content
Main purpose of the present utility model is providing a kind of fin and pipeline incorporate structure, can eliminate the thermal contact resistance (Thermal contact resistance) of existing fin and pipeline bound fraction, to promote heat conduction efficiency.
Another purpose of the present utility model is providing a kind of heat-exchange device, adopts fin and the incorporate structure of pipeline, in the time of can saving manufacturing equipment expense and worker, and can be in response to the variation of size of product, to save manufacturing cost.
Another purpose of the present utility model, a kind of heat-exchange device is being provided, if make the flow direction of pipeline inner fluid and the flow direction of pipeline outer fluid be the head-on mobile (circulation of subtend, Counter flow) when mode disposes, can promote heat exchanger effectiveness, and can improve the thermograde phenomenon, improve the comfortableness of temperature sense.
Another purpose of the present utility model in that a kind of singulation loop-type heat-exchange device is provided, has less element, and easily assembling is made.
The heat-exchange device of a kind of fin of the utility model and the integrated counter current flow mode of pipeline is characterized in that, comprises metal making sheet sheet, and this plate comprises at least one alternate depressed part and protuberance; This depressed part has the strip tongue; These tongue two ends have the connecting pipe of protrusion, and this connecting pipe top has through hole; This protuberance has the strip groove, and these groove two ends are provided with the connecting pipe of tool through hole.
Wherein the protuberance both sides of this plate are extended with spaced convex section respectively; These plate two ends have first bulge and second bulge respectively; This first bulge and second bulge are extended with spaced convex section respectively to the inside.
The heat exchange module of forming comprising the outer plate of a metal system that is superimposed and at least one this plate; The horizontal pipeline of formation between two these tongues of adjacent two these plate balanced configurations that oppositely are superimposed, this connecting pipe vertically is connected in series the formation vertical duct with this tongue; Should be incorporated into the top of the superiors' plate to seal this through hole for outer plate; This two-phase borders on the river and has the passage of outer side liquid between the flat pipeline.
Wherein the orlop plate of this heat exchange module is incorporated into two conduits top; This vertical duct communicates with this two conduit respectively; This two conduit connects the fluid drive member with tube connector respectively.
Wherein the orlop plate of this heat exchange module is incorporated into pedestal top; The inner tool hollow bulb of this pedestal, and have capillary material layer; This hollow bulb communicates with the vertical duct of this heat exchange module.
Wherein should outer plate and this plate tool identical shaped, but its connecting pipe is not had a through hole.
Wherein this hollow bulb has liquid storing part and main evaporation part; This main evaporation part is communicated with the vertical duct of this heat exchange module, and is communicated to liquid storing part and constitutes a loop.
Wherein these hollow bulb both sides have liquid storing part, are provided with main evaporation part in the middle of this hollow bulb.
Description of drawings
Other purposes of the present utility model, effect and embodiment see also drawings and Examples and are described in detail as follows, wherein:
Fig. 1 is the utility model plate embodiment schematic perspective view.
Fig. 2 is the outer plate embodiment schematic perspective view of the utility model.
Fig. 3 is the combination generalized section of Figure 1 and Figure 2.
Fig. 4 is the combining structure generalized section of a plate shown in Figure 1 and a flat board.
Fig. 5 is the user mode schematic diagram of the utility model heat-exchange device embodiment.
Fig. 6 is for looking schematic diagram on another embodiment of the utility model plate.
Fig. 7 is for looking schematic diagram on another embodiment of the utility model plate.
Fig. 8 is for looking schematic diagram on another embodiment of the utility model plate.
Fig. 9 is the schematic side view of plate shown in Figure 8.
Figure 10 is for looking schematic diagram on another embodiment of the utility model plate.
Figure 11 is the generalized section of plate shown in Figure 10.
Figure 12 is the user mode schematic perspective view of another embodiment of the utility model heat-exchange device.
Figure 13 is the combining structure generalized section of plate shown in Figure 1 and a flat board and pedestal.
Figure 14 is for looking schematic diagram on another embodiment of the utility model plate.
Figure 15 is for looking schematic diagram on outer another embodiment of plate of the utility model.
Figure 16 is the generalized section of outer plate shown in Figure 15.
Figure 17 is the user mode schematic perspective view of another embodiment of the utility model heat-exchange device.
The specific embodiment
See also shown in Figure 1ly, the incorporate structure of the utility model fin and pipeline comprises by press bed (Press) processing, or the metal making sheet sheet 10 that is shaped with cutter (Cutter) rolling and processing.These plate 10 two ends are respectively equipped with first bulge 11 and the two or two bulge 12, and the intermediate portion is arranged with number alternate depressed part 13 and protuberance 14; This first bulge 11 and second bulge 12 are extended with spaced convex section 111 of systematicness and convex section 121 respectively to the inside; These protuberance 14 both sides are extended with spaced convex section 141 of systematicness and convex section 142 respectively; These depressions are closed 13 and are provided with strip tongue 131, and tongue 131 two ends are provided with the connecting pipe 132 contour with protuberance 14 end faces; This protuberance 14 is provided with strip groove 143, and groove 143 two ends are provided with the connecting pipe 144 contour with depressed part 13 bottom surfaces; These connecting pipe 132 tops and connecting pipe 144 bottoms are tool through hole 133, through hole 145 respectively; Tongue 131 is symmetrical design with groove 143 outward appearances.
See also Fig. 1, shown in Figure 2, the outer plate 20 of metal system of the present utility model is through hole 132 and groove 143 openings in order to sealing plate 10 tops.Should be outer plate 20 and plate door 10 tools identical shaped, but a through hole is not had in its connecting pipe 211 tops and connecting pipe 221 bottoms.
See also shown in Figure 3, with adjacent outer plate 20 and several plates 10 that oppositely is superimposed, when imposing welding (Brazing) processing and combining, between the tongue 21 of its balanced configuration and tongue 131, two tongues 131, form horizontal pipeline 15 respectively between two grooves 143.Each tongue 21, tongue 131 and connecting pipe 132 vertically serial connection are formed into vertical duct 16; And each groove 143 and connecting pipe 144 also vertically are connected in series and are formed into vertical duct 16; Two-phase borders on the river has pore 17 between the flat pipeline 15.Please cooperate shown in Figure 1ly, these pores 17 are respectively by crack between each protuberance and the tongue 131, and are formed by crack between each depressed part and the groove 143; By the design of these convex sections 111, convex section 121, convex section 141 and convex section 142 etc., can increase the flow-disturbing effect of gas, and increase the contact area of gas and version sheet 10 by these pores 17, can promote heat exchanger effectiveness.
See also Fig. 1, shown in Figure 2, the outer plate 20 of metal system of the present utility model is through hole 132 and groove 143 openings in order to sealing plate 10 tops.Should be outer plate 20 and plate door 10 tools identical shaped, but a through hole is not had in its connecting pipe 211 tops and connecting pipe 221 bottoms.
See also shown in Figure 4ly, with the one dull and stereotyped 23 outer plate 20 that replaces in the plate combining structure shown in Figure 3, the through hole 132 of sealing plate 10 tops and the opening of groove 143 also can be reached and the identical heat exchange effect of plate combining structure shown in Figure 3.
See also shown in Figure 5ly, the utility model heat-exchange device embodiment is included in the orlop plate of Fig. 3 or heat exchange module 30 shown in Figure 4, is incorporated into two conduits, 301,302 tops.The tongue of this orlop plate communicates with two conduits 301,302 respectively with the through hole of groove connecting pipe.Two conduits 301,302 are connected to fluid drive member 305 with tube connector 303,304 respectively.If this fluid drive member 305 heat-conducting blocks and place pyrotoxin when top promptly can absorb the heat that pyrotoxin produces; This heat can be taken to heat exchange module 30 by the fluid in the pipeline and carry out thermolysis.Because the special design of the utility model heat exchange module 30 pipelines, make on the left of the right side flow direction of direction of flow in the pipeline by figure, cooperate pipeline outside fluid 60 to flow to the right side, enter via pore 17 shown in Figure 3 and close the design of carrying out heat exchange in the heat exchange module 30 by the left side of figure.If make the flow direction of pipeline inner fluid and the flow direction of the outer side liquid of pipeline be the counter current flow flowing mode, preferable heat exchanger effectiveness can be obtained, and the gradient phenomenon of temperature can be improved, make the outer side liquid 60 that flows out by the right side of heat exchange module 30 keep the state of samming.For example this fluid drive member 305 is a compressor, and refrigerant is housed in the pipeline, and when the outer side liquid 60 of pipeline was air, the utility model can make the air that flows out via heat exchange module 30 keep the state of samming, to obtain preferable temperature sense.
See also Fig. 1, shown in Figure 6, another plate 80 embodiment of the present utility model are with circular connecting pipe 132, the connecting pipe 144 of plate 10 shown in Figure 1, make oval-shaped connecting pipe 801, connecting pipe 802 respectively into.Because of ellipse has than large tracts of land than circle, can make between 80 other connecting pipes of levels two plates in conjunction with more convenient, more firm.
See also Fig. 6, shown in Figure 7, another plate 81 embodiment of the present utility model are to be provided with the circular connecting pipe 811 that several have through hole or do not have through hole between the oval-shaped connecting pipe 801 in the two ends of plate 80 tongues 803 shown in Figure 6.And between the oval-shaped connecting pipe 802 in the two ends of groove 804, be provided with the circular connecting pipe 812 that several have through hole or do not have through hole.This connecting pipe 811, connecting pipe 812 can make 81 of levels two plates in conjunction with more convenient, more firm.
See also Fig. 6, Fig. 8, shown in Figure 9, another plate 82 embodiment of the present utility model are to be provided with fin 821 in each convex section below of plate 82 shown in Figure 6.
See also figure Fig. 6, Figure 10, shown in Figure 11, another plate 83 embodiment of the present utility model, be that each groove 804 and protuberance 805 with plate 80 shown in Figure 6 all makes tongue 831 into, and each convex section 806, convex section 807, convex section 808, convex section 809 made into the design of fin 832, fin 833, fin 834, fin 835 respectively.
See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4,, can eliminate the thermal conductance loss in efficiency of thermal contact resistance fully because the fin and the pipeline of heat exchange structure of the present utility model adopt incorporate plate 10 and outer plate 20 to combine; And can utilize the process equipment of automation can finish the combination operation, can significantly save the cost of equipment and the manpower expense of assembling.Plate 10 and outer plate 20 can be planned to and have unified specification again, as long as so develop one group of demand width, behind the mould of specification, the long and short mode that adopts continuity to shape of its plate is made, when processing arrives preseting length, give again planting and cut, can obtain the plate of various needed lengths, and the quantity of utilizing increase to pile up plate can be adjusted the height of heat exchange structure.The utility model does not need to make the heat exchange structure of each group specification as existing person as long as one group of mould of exploitation can produce multiple length, the different heat exchange structure of height specification, promptly the mould that matches need be arranged, so can significantly save manufacturing cost.
See also Figure 12, shown in Figure 13, another embodiment of the utility model heat-exchange device, the bottom that comprises a heat exchange module 40 is in conjunction with a fluid drive member, and this fluid drive member is a pedestal (Vapor chamber) 50.Heat exchange module 40 is similar with structure shown in Figure 4, is with the through hole 132 of dull and stereotyped 23 sealing plates 10 tops and the opening of groove 143.Pedestal 50 inner tool hollow bulbs 51, and be provided with capillary material layer (Wick) 52, its upper end is provided with gift 53 corresponding to the through hole of tongue 131 connecting pipes of heat exchange module 40 orlop plates 10 and the position of groove 143, and this hollow bulb 51 is communicated with the vertical duct 41 of heat exchange module 40.Easy evaporating liquid is equipped with in these pedestal 50 inside, and this liquid can flow along capillary material layer 52; This hollow bulb 51 has liquid storing part (liquid tank) 54 and main evaporation part 55; This liquid storing part 54 is as storing and the preheated liquid part; The vertical duct 41 that this liquid storing part 54, main 55 tops, evaporation part are communicated with heat exchange module 40 respectively constitutes a loop.
When present embodiment uses, be the top that the pedestal 50 that metal material is made is placed in pyrotoxins such as CPU.Be coated with thermal grease between this pedestal 50 and the CPU, main evaporation part 55 is combined with CPU.Behind the heated liquid of hollow bulb 51 inside, promptly be evaporated to steam, and be upward through multiple holes 53, flow into heat exchange module 40 inside, and the vertical duct 41 in heat exchange module 40 up flows, and along horizontal pipeline 42 by the right side of the figure side shifting of turning left, this steam is in pipeline in the process of flowing, the contact temperature promptly can condense into liquid than the tube wall at the end, flows in the right side along horizontal pipeline 42 toward figure, and along vertical tube 41 toward current downflow, and the multiple holes 53 of passing pedestal 50 flows into liquid storing part 54, and flow to main evaporation part 55 along capillary material layer 52, being heated is evaporated to steam again, circulation carry out the heat exchange action.The utility model cooperates heat exchange module 40 outsides to be blowed to the cold air 61 (or other fluids) on right side by the left side of figure, this cold air 61 can penetrate heat exchange module 40 inside and carry out heat exchange action through the pore of horizontal pipeline 42 both sides, because the direct of travel of this cold air is opposite with the direct of travel of horizontal pipeline 42 inner fluids, be the configuration of counter current flow direction, so can make heat exchange module 40 obtain best heat exchanger effectiveness.The bottom of liquid storing part 54 of the present utility model and main evaporation part 55 also can be covered with capillary material layer 52, and the side of hollow bulb 51 or top can be covered with or be not covered with capillary material layer 52.
Present embodiment will have the heat-conducting block of radiator, the pedestal of being combined into one of heat pipe now, and make the integrally combine design in loop of heat pipe and heat-exchange device internal duct, not only can eliminate the thermal resistance that existing heat-conducting block causes, reach and eliminate the thermal resistance that heat pipe and heat-conducting block and heat-exchange device can't be fitted and be caused closely, and can eliminate the shortcomings such as crushing that existing heat pipe inner vapor and liquid reverse flow produce, so can significantly promote heat exchanger effectiveness.The incorporate design of the utility model again is beneficial to the assembly of automation, can significantly save manufacturing cost.
See also Figure 10, shown in Figure 14, another plate 71 embodiment of the present utility model and plate shown in Figure 10 80 are similar, but tongue 711, groove 712 only an end have connecting pipe 713, connecting pipe 714, the other end has extension 715,716.
See also Figure 14, Figure 15, shown in Figure 16, another outer plate of the present utility model 72 is real to drag example, be one dull and stereotyped but be provided with the groove 712 and the 716 corresponding groove 721 and the extensions 722, extension of plate 71 shown in Figure 14.This outer plate 72 can be incorporated into one side of plate 71, makes the opening of groove 721 closed pockets 712.Should also can be the design that simple flat board does not need groove 721 for outer plate 72, as long as can seal the groove 712 of plate 71.
See also Figure 14, enclose 15, shown in Figure 17, the heat-exchange device 70 of another embodiment of the utility model heat-exchange device, the both sides of the plate 71 that oppositely is superimposed by majority are formed in conjunction with an outer plate 72 respectively; The adapter section 715 of these plates 71, outer plate 72, adapter section 716, adapter section 722 are incorporated into base 90 tops; Oppositely tongue 711, the groove 712 of superimposed two plates 71 are formed vertical duct 73 respectively, and this connecting pipe 713 and tongue 711, connecting pipe 714 and groove 712 are formed horizontal pipeline 74 respectively.This base 90 hollow bulbs, 91 both sides and centre are respectively equipped with liquid storing part 911 and main evaporation part 912.The steam that is heated can be through main evaporation part 912, vertical duct 73 by this heat-exchange device 70 upwards flows, and along horizontal pipeline 74 to two side flow, vertical duct 73 along both sides flows downward again, the liquid that condenses flows back to the capillary material layer 92 of base 90, being heated is evaporated to steam again, and heat exchange action is carried out in circulation.
The above record only for utilizing the embodiment of the utility model technology contents, anyly is familiar with modification, the variation that this operator uses the utility model to do, and all belongs to the claim of the utility model opinion, and is not limited to the content that embodiment discloses.
Claims (8)
1. the heat-exchange device of fin and the integrated counter current flow mode of pipeline is characterized in that comprise metal making sheet sheet, this plate comprises at least one alternate depressed part and protuberance; This depressed part has the strip tongue; These tongue two ends have the connecting pipe of protrusion, and this connecting pipe top has through hole; This protuberance has the strip groove, and these groove two ends are provided with the connecting pipe of tool through hole.
2. the heat-exchange device of fin as claimed in claim 1 and the integrated counter current flow mode of pipeline is characterized in that, wherein the protuberance both sides of this plate are extended with spaced convex section respectively; These plate two ends have first bulge and second bulge respectively; This first bulge and second bulge are extended with spaced convex section respectively to the inside.
3. the heat-exchange device of fin as claimed in claim 1 or 2 and the integrated counter current flow mode of pipeline is characterized in that, comprises the heat exchange module that the outer plate of a metal system that is superimposed and at least one this plate are formed; The horizontal pipeline of formation between two these tongues of adjacent two these plate balanced configurations that oppositely are superimposed, this connecting pipe vertically is connected in series the formation vertical duct with this tongue; Should be incorporated into the top of the superiors' plate to seal this through hole for outer plate; This two-phase borders on the river and has the passage of outer side liquid between the flat pipeline.
4. the heat-exchange device of fin as claimed in claim 3 and the integrated counter current flow mode of pipeline is characterized in that, wherein the orlop plate of this heat exchange module is incorporated into two conduits top; This vertical duct communicates with this two conduit respectively; This two conduit connects the fluid drive member with tube connector respectively.
5. the heat-exchange device of fin as claimed in claim 3 and the integrated counter current flow mode of pipeline is characterized in that, wherein the orlop plate of this heat exchange module is incorporated into pedestal top; The inner tool hollow bulb of this pedestal, and have capillary material layer; This hollow bulb communicates with the vertical duct of this heat exchange module.
6. the heat-exchange device of fin as claimed in claim 3 and the integrated counter current flow mode of pipeline is characterized in that, wherein should outer plate and this plate tool identical shaped, but its connecting pipe is not had a through hole.
7. the heat-exchange device of fin as claimed in claim 5 and the integrated counter current flow mode of pipeline is characterized in that, wherein this hollow bulb has liquid storing part and main evaporation part; This main evaporation part is communicated with the vertical duct of this heat exchange module, and is communicated to liquid storing part and constitutes a loop.
8. the heat-exchange device of fin as claimed in claim 5 and the integrated counter current flow mode of pipeline is characterized in that, wherein these hollow bulb both sides have liquid storing part, is provided with main evaporation part in the middle of this hollow bulb.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/173,639 | 2002-06-19 | ||
US10/173,641 | 2002-06-19 | ||
US10/173,639 US6688377B2 (en) | 2002-03-08 | 2002-06-19 | Loop heat pipe modularized heat exchanger |
US10/173,641 US6662858B2 (en) | 2002-03-08 | 2002-06-19 | Counter flow heat exchanger with integrated fins and tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2679629Y true CN2679629Y (en) | 2005-02-16 |
Family
ID=34594248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03244059 Expired - Fee Related CN2679629Y (en) | 2002-06-19 | 2003-04-23 | Heat exchanger having integrated fin and pipe in way of counterflow |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2679629Y (en) |
-
2003
- 2003-04-23 CN CN 03244059 patent/CN2679629Y/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1172158C (en) | Plate type heat exchanger for three fluids and method of manufacturing the heat exchanger | |
CN202195738U (en) | Peak and valley type corrugated finned tube heat transfer element | |
CN101074855A (en) | Enhanced heat-conductive louver sheets | |
CN202083266U (en) | Heat transfer element with pipe integrated with corrugated fins | |
CN1902455A (en) | Fin for heat exchanger and heat exchanger equipped with such fins | |
CN2544233Y (en) | High-efficient heat-exchange sleeve evaporation type condenser | |
CN1598468A (en) | Plate type heat exchanger | |
CN1190644C (en) | Plate type heat exchanger | |
CN110360864B (en) | Step phase change plate type heat storage and exchange integrated device | |
CN107044745A (en) | Micro-channel condenser | |
CN2679629Y (en) | Heat exchanger having integrated fin and pipe in way of counterflow | |
CN2720631Y (en) | Fin heat-tube radiator | |
CN203534295U (en) | Heat transfer enhancing structure for gravity heat pipe | |
CN210512784U (en) | Micro-channel heat exchanger | |
CN2329925Y (en) | Plane-type heat pipe radiator | |
CN2577217Y (en) | Heat-tube tightly-closed cooling water-tower | |
CN205014871U (en) | Intersection of abnormal shape cross -section runner flows plate heat exchanger | |
CN209179908U (en) | A kind of cooler for recycled exhaust gas radiating fin | |
CN203011019U (en) | Parallel flow condenser and base station air conditioner | |
CN112378281A (en) | Micro-channel heat exchanger | |
CN115387899B (en) | Shutter fin structure for heat exchanger | |
CN2182383Y (en) | Rhombic slot fin pipe bundle | |
CN101476832B (en) | Multiple throttle structure of three-fluid plate heat exchanger | |
CN206695446U (en) | Micro-channel condenser | |
CN205939825U (en) | Evaporator and refrigerator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |