WO2010040635A1 - Heat exchanger assembly and method for the operation thereof - Google Patents
Heat exchanger assembly and method for the operation thereof Download PDFInfo
- Publication number
- WO2010040635A1 WO2010040635A1 PCT/EP2009/062266 EP2009062266W WO2010040635A1 WO 2010040635 A1 WO2010040635 A1 WO 2010040635A1 EP 2009062266 W EP2009062266 W EP 2009062266W WO 2010040635 A1 WO2010040635 A1 WO 2010040635A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat exchanger
- transfer elements
- heat
- air flow
- heat transfer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000012546 transfer Methods 0.000 claims abstract description 63
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 238000009736 wetting Methods 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 50
- 239000000463 material Substances 0.000 description 5
- 238000013022 venting Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
- F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
Definitions
- the invention relates to a heat exchanger assembly according to the preamble of claim 1 and a method for operating the same according to the preamble of claim 13.
- Heat exchangers can be found in a variety of technical applications, for example in refrigeration and domestic refrigeration systems and devices, in heating and air conditioning systems for buildings or transportation such as cars, buses, ships and aircraft, or as coolers in power plants, internal combustion engines, computers, or other heat generating facilities.
- the heat exchangers are often connected to a circuit containing a heat transfer medium such as a coolant, the heat exchanger transferring heat directly, i. without phase change from the liquid or gaseous heat transfer medium can absorb or deliver to the same, or can be effective as a condenser or evaporator for the heat transfer medium.
- a laminated heat exchanger which is known for example from Hauhaltkühlern.
- a laminated heat exchanger consists of a tube for the passage of a heat transfer medium and a plurality of fins, which are connected to the tube and are in operation with a second medium in combination.
- This construction is particularly useful if the second medium is gaseous and, for example, consists of ambient air, since this has a comparatively low heat transfer coefficient, which can be compensated by a correspondingly large surface of the slats.
- the laminated heat exchanger can also be several tubes for more than one
- Contain heat transfer medium or the tubes may be connected in parallel and / or in series as needed.
- the efficiency is essentially determined by the temperature difference between the fins on the one hand and the or the pipes on the other hand.
- the temperature difference is the smaller, i. the more effective the heat transfer, the greater the conductivity and the thickness of the fins, and the smaller the mutual distance of the tubes. In terms of efficiency, it is thus advantageous if many tubes are used. However, many tubes also mean higher material and processing costs, so higher efficiency is usually associated with higher costs.
- microchannel heat transfer elements are used in heat exchangers. These may for example be designed as an extruded profile, which is made of a material with good thermal conductivity such as aluminum.
- the microchannel heat transfer elements i.
- the extruded profiles contain a plurality of channels with a diameter of typically 1 mm for the heat transfer medium.
- other diameters are possible, which may for example be in the range of 0.5 mm to 3 mm or 0.5 mm to 2 mm.
- Document EP 1 557 622 A2 describes a condensation plant for use in a cooling system to condense a refrigerant vaporized for cooling purposes.
- the condensation plant described here contains a plurality of microchannel cooling coils, which are each designed as heat exchanger modules, and one or more fans for generating an air flow through the heat exchanger modules.
- Each heat exchanger module comprises a plurality of Microchannel heat transfer elements, which are designed as flat tubes, and which are arranged parallel and spaced from each other, and cooling fins, the are arranged between the flat tubes and connected to the same.
- the cooling fins each form a zig-zag pattern between two adjacent tubes.
- the heat exchanger modules each comprise an inlet and an outlet collection channel, which are connected to the microchannel heat transfer elements of the respective heat exchanger module.
- the object of the present invention is to provide a heat exchanger arrangement which makes it possible to reduce the base areas required for the assembly or the material expenditure or the energy expenditure for the ventilation compared with the above-described prior art. Another object is to provide a method for comparatively economical operation of the heat exchanger assembly.
- the heat exchanger assembly is equipped with at least one heat exchanger module containing a plurality of microchannel heat transfer elements and a plurality of heat exchange fins thermally conductively connected to the microchannel heat transfer elements and forming the air passages and at least one venting device for generating airflow in the air passages ,
- the heat exchanger arrangement additionally comprises a wetting device for wetting the microchannel heat transfer elements and / or the heat exchange fins with liquid, for example with water, and moreover is characterized in that the heat exchanger module (s) are arranged at an angle with respect to the vertical.
- the angle is determined by the fact that, in operation, gravity and / or inertial forces acting on or in one Heat exchanger module to act on drops of liquid, are in balance with the buoyancy forces of the air flow.
- the angle with respect to the vertical between 10 ° and 40 ° or between 15 ° and 30 °.
- the one or more heat exchanger modules are arranged horizontally.
- the microchannel heat transfer elements have a longitudinal direction and are arranged in the longitudinal direction in each case at an angle to the vertical.
- the microchannel heat transfer elements can be arranged at the same angle to the vertical as the respective heat exchanger module in which they are contained.
- the Microchannel heat transfer elements can be arranged horizontally in the longitudinal direction.
- the heat exchanger modules have a lower and an upper side, in particular due to the arrangement at an angle to the vertical, wherein the ventilation device is adapted to generate an air flow from the underside to the upper sides in the air ducts, and the wetting device is arranged to wet the Microchannel heat transfer elements and / or the heat exchange ribs from the top or bottom.
- the wetting device is arranged to wet the microchannel heat transfer elements and / or the heat exchange fins both from the bottom and from the top.
- venting device may be configured to generate airflow from the top to the bottom in the air channels
- wetting device may be configured to wet the microchannel heat transfer elements and / or the heat exchange fins from the top.
- Heat exchange ribs openings and / or Louver formed are formed as flow channels, for example, have an angle of attack with respect to the direction of air flow, or have, for example, sidewalls, wherein the side walls with respect to the respective heat exchange rib may be formed projecting and / or with respect to the direction of the air flow Can have an angle of attack. Thanks to the louvers or openings, especially if they consist of a multiplicity of small and / or narrow openings, the wetting amount of liquid in the air channels can be increased.
- Variations ( ⁇ ) is advantageously designed for a, for a given installation area of the heat exchanger assembly and / or for a given total area of the heat exchanger modules, maximum cooling capacity.
- Heat exchanger arrangement according to one or more of the embodiments and variants described above, the amount of liquid, which is supplied for wetting the microchannel heat transfer elements and / or the heat exchange fins, and the speed of the air flow are regulated so that of the existing on or in a heat exchanger module Liquid will be entrained by the air flow no or highest a fixed amount of drops.
- the amount of liquid which is supplied for the purpose of wetting the microchannel heat transfer elements and / or the heat exchange ribs, and the speed of the air flow are regulated so that the Gravity and / or the inertial forces acting on or in a heat exchanger module to drip the liquid are in equilibrium with the buoyancy forces of the air flow.
- the heat exchanger arrangement according to the invention and the method according to the invention have the advantage that thanks to the wetting, the cooling capacity can be increased with respect to the total area of the heat exchanger modules and the given speed of the air flow compared to the prior art described at the outset.
- the total area of the heat exchanger modules and / or the speed of the air flow can be reduced, so that the efficiency of the heat exchanger arrangement is correspondingly increased.
- the energy expenditure for generating the air flow can be minimized.
- the cooling capacity can be increased, or it can be minimized for a given cooling capacity of the material.
- FIG. 1 is a schematic representation of an embodiment of a heat exchanger assembly according to the present invention
- Fig. 2 is a schematic representation of an embodiment of a
- Heat exchanger module for use in a heat exchanger arrangement according to the present invention
- 4A, 4B show two variants of the arrangement of the microchannel heat transfer elements in a heat exchanger arrangement according to the present invention
- Fig. 5A shows an embodiment for the interpretation of
- Fig. 5B is a section through a heat exchange rib from the embodiment of FIG. 5A.
- Fig. 1 shows a schematic representation of an embodiment of a heat exchanger assembly according to the present invention.
- the heat exchanger assembly 1 is equipped with at least one heat exchanger module 2.1, 2.2, which contains a plurality of microchannel heat transfer elements and a plurality of heat exchange fins, which are thermally conductively connected to the microchannel heat transfer elements and form the air channels, and equipped with at least one venting device 4 to in the air ducts to generate an air flow.
- the heat exchanger assembly 1 additionally comprises a wetting device 5 which may, for example, contain one or more spray heads 5.1 - 5.4 in order to wet the microchannel heat transfer elements and / or the heat exchange fins with liquid 10, for example water, and is additionally characterized the heat exchanger module or modules 2.1, 2.2 are arranged at an angle with respect to the vertical.
- the wetting device 5 can be arranged, for example, so that the heat exchanger modules 2.1, 2.2 are wetted from the inside of the heat exchanger arrangement, for example by means of spray heads 5.1, 5.2, and / or from the outside, for example by means of spray heads 5.3, 5.4, and / or the wetting device can be in the respective
- the angle is determined by the fact that, in operation, gravity and / or inertial forces acting on droplets of liquid on or in a heat exchanger module are in equilibrium with the buoyancy forces of the air flow.
- the angle with respect to the vertical between 10 ° and 40 ° or between 15 ° and 30 °.
- the one or more heat exchanger modules are arranged horizontally. The size and number of the heat exchanger module 2.1, 2.2 can be determined according to the required cooling capacity.
- Fig. 2 shows a schematic representation of an embodiment of a heat exchanger module 2 for use in a heat exchanger assembly according to the present invention.
- the heat exchanger module shown contains a plurality of microchannel heat transfer elements 6.1, 6.2, which may for example be designed as flat tubes, and which are usually arranged parallel and spaced apart from each other, and a plurality of heat exchange ribs 7.1, 7.2, between the
- Microchannel heat transfer elements are arranged and connected to the same thermally conductive, for example by means of a solder joint.
- the heat exchange ribs 7.1, 7 form air channels which extend perpendicular to the image plane in the heat exchanger module shown in FIG.
- the heat exchange fins are made of a folded sheet metal strip which may, for example, have a zigzag pattern.
- the microchannel heat transfer elements 6.1, 6.2 may for example be designed as an extruded profile, which consists of a material is made with good thermal conductivity such as aluminum or an aluminum alloy.
- the microchannel heat transfer elements, ie in the present case the extruded profiles contain a plurality of channels with a diameter of typically 1 mm for the heat transfer medium 3.
- Diameters are possible, which may for example be in the range of 0.5 mm to 3 mm or 0.5 mm to 2 mm.
- the heat exchanger module 2 may include an inlet and an outlet header 8, 9 fluidly connected to the microchannel heat transfer elements 6.1, 6.2, and an inlet 8a and an outlet 9a.
- the individual parts of the heat exchanger module such as microchannel heat transfer elements 6.1, 6.2, heat exchange ribs 7.1, 7.2, inlet and outlet manifold 8, 9 and inlet and outlet 8a, 9a made entirely or partially of aluminum or an aluminum alloy and the assembled Parts completely soldered in a soldering oven.
- FIGS. 3A-3E show embodiments for the direction of air flow and the direction of wetting in a heat exchanger assembly according to the present invention.
- Figures 3A to 3E are the
- Heat exchanger modules 2 each arranged at an angle with respect to the vertical.
- the angle shown is ⁇ 90 ° while in FIGS. 3B, 3C and 3D it is 90 °, ie the heat exchanger modules are arranged horizontally in FIGS. 3B, 3C and 3D.
- the heat exchanger modules 2 have a lower and an upper side due to the arrangement at an angle to the vertical.
- the aeration device is arranged to generate an air flow from the underside to the upper sides in the air ducts of the heat exchanger module 2, and the wetting device is arranged to hold the microchannel heat transfer elements and / or the heat exchange fins of the heat exchanger module, as shown in FIG.
- the wetting device is adapted to the microchannel heat transfer elements and / or the heat exchange ribs of the heat exchanger module, as shown in Figures 3A and 3B, from the bottom.
- the cooling capacity maximum is at an angle ⁇ of 10 ° to 40 °.
- the embodiment shown in Fig. 3B with horizontally arranged heat exchanger module requires a comparatively large air velocity, with a power regulation by varying the air velocity is limited.
- the wetting device is adapted to the microchannel heat transfer elements and / or the
- Heat exchange ribs as shown in Fig. 3E, to be wetted both from the bottom and from the top. This embodiment enables a high degree of wetting with a small amount of air.
- the venting device may be arranged to provide air flow from the top to the air ducts
- the wetting device may be arranged to wet the microchannel heat transfer elements and / or the heat exchange ribs from the top.
- the excess water exiting on the bottom can be trapped and re-circulated by baffles.
- the cooling capacity can be regulated by varying the air velocity or the amount of liquid for wetting.
- the range in which the cooling capacity may be controlled by varying the air velocity may be limited.
- the heat exchanger modules 2 are each arranged at an angle ⁇ , ⁇ 'with respect to the vertical, which are ⁇ 90 °, as shown in the figure can. This angle can be used for optimizing the cooling task according to the in the figures 4A and 4B orientation of the microchannel heat transfer elements be different in size.
- the heat exchanger modules shown each contain a plurality of Microchannel- amongübertragungsellennente 6.1, 6.2, which are usually arranged parallel and spaced from each other, and a plurality of heat exchange ribs 7.1, 7.2, which are arranged between the Microchannel- amongübertragungselennente and thermally conductively connected to the same, and form the air passages.
- the heat exchange fins are made from a folded or bent sheet metal strip, which can be soldered, for example, in a brazing oven with the Microchannel heat transfer elements.
- the microchannel heat transfer elements 6.1, 6.2 have a longitudinal direction and are arranged in the longitudinal direction in each case at an angle to the vertical.
- the microchannel heat transfer elements can, as shown in FIG. 4B, be arranged at the same angle ⁇ to the vertical as the respective heat exchanger module 2 in which they are contained, but also at a further optimized angle ⁇ 'or the microchannel heat transfer elements may be arranged horizontally in the longitudinal direction, as shown in Fig. 4A.
- the drainage of the wetting liquid can be facilitated by louvers formed in the heat exchange fins 7.1, 7.2 in longitudinally not horizontally disposed microchannel heat transfer elements.
- results in horizontally horizontally arranged Microchannel heat transfer elements 6.1, 6.2 tends to be a larger angle ⁇ .
- Fig. 5A shows an embodiment for the design of the heat exchange ribs in a heat exchanger assembly according to the present invention.
- the individual heat exchange fins 7 ', 7 may be made of a folded or bent sheet metal strip 7.
- apertures and / or louvers 11.1 are formed in the heat exchange fins.
- the wetting Amount of liquid can be increased in the air channels and, depending on the arrangement, the spread of a liquid film can be promoted.
- FIG. 5B shows a section through the exemplary embodiment according to FIG. 5A.
- FIG. 5B additionally shows a possible wetting direction 10.
- Figures 3A to 3E explained directions of air flow and wetting are possible.
- Variations ( ⁇ ) is advantageously designed for a, for a given installation area of the heat exchanger assembly and / or for a given total area of the heat exchanger modules, maximum cooling capacity.
- Heat exchanger assembly additionally optionally a humidifying means arranged on the input side in the air flow for cooling the air and / or a drip arranged on the output side in the air flow.
- Heat exchanger assembly according to one or more of the embodiments and variants described above will be described below with reference to Figures 1 and 2.
- the amount of liquid 10 supplied for wetting the microchannel heat transfer elements 6.1, 6.2 and / or the heat exchange fins 7.1, 7.2 and the rate of air flow are regulated so that of the liquid present on or in a heat exchanger module 2 no or at most a fixed amount of drops are entrained by the air flow.
- the amount of liquid 10 the purpose of wetting the microchannel heat transfer elements 6.1, 6.2 and / or the heat exchange ribs 7.1, 7.2, and regulates the velocity of the airflow so that gravity and / or inertial forces acting on or in a heat exchanger module 2 for droplets of the liquid are in equilibrium with the buoyancy forces of the airflow.
- Heat exchanger assembly with microchannel heat transfer elements and folded heat exchange ribs are significantly increased.
- the cooling capacity increases by the evaporation heat released per unit time of the evaporating liquid, wherein the evaporation rate and thus the cooling capacity can be regulated by the degree of wetting and the air velocity.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0920656A BRPI0920656A2 (en) | 2008-10-08 | 2009-09-22 | set of heat exchanger and process for your operation |
AU2009301278A AU2009301278B2 (en) | 2008-10-08 | 2009-09-22 | Heat exchanger assembly and method for the operation thereof |
CA2739755A CA2739755A1 (en) | 2008-10-08 | 2009-09-22 | Heat exchanger arrangement and method for the operation of same |
US13/122,698 US20110209860A1 (en) | 2008-10-08 | 2009-09-22 | Heat exchanger arrangement and method for the operation of same |
EP09783288A EP2338017A1 (en) | 2008-10-08 | 2009-09-22 | Heat exchanger assembly and method for the operation thereof |
MX2011003580A MX2011003580A (en) | 2008-10-08 | 2009-09-22 | Heat exchanger assembly and method for the operation thereof. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08166143 | 2008-10-08 | ||
EP08166143.1 | 2008-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010040635A1 true WO2010040635A1 (en) | 2010-04-15 |
Family
ID=40469899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/062266 WO2010040635A1 (en) | 2008-10-08 | 2009-09-22 | Heat exchanger assembly and method for the operation thereof |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110209860A1 (en) |
EP (1) | EP2338017A1 (en) |
AU (1) | AU2009301278B2 (en) |
BR (1) | BRPI0920656A2 (en) |
CA (1) | CA2739755A1 (en) |
MX (1) | MX2011003580A (en) |
WO (1) | WO2010040635A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011160501A1 (en) * | 2010-06-21 | 2011-12-29 | 三花丹佛斯(杭州)微通道换热器有限公司 | Heat exchanger |
EP2696159A1 (en) | 2012-08-09 | 2014-02-12 | A-heat Allied Heat Exchange Technology Ag | Heat exchanger and method for wetting heat exchangers |
US10502478B2 (en) | 2016-12-20 | 2019-12-10 | Whirlpool Corporation | Heat rejection system for a condenser of a refrigerant loop within an appliance |
US10514194B2 (en) | 2017-06-01 | 2019-12-24 | Whirlpool Corporation | Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators |
US10519591B2 (en) | 2016-10-14 | 2019-12-31 | Whirlpool Corporation | Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers |
US10633785B2 (en) | 2016-08-10 | 2020-04-28 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
US10718082B2 (en) | 2017-08-11 | 2020-07-21 | Whirlpool Corporation | Acoustic heat exchanger treatment for a laundry appliance having a heat pump system |
US10738411B2 (en) | 2016-10-14 | 2020-08-11 | Whirlpool Corporation | Filterless air-handling system for a heat pump laundry appliance |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140091152A1 (en) * | 2012-09-28 | 2014-04-03 | Invensys Appliance Controls South America | Temperature sensor using aluminum capillary |
GB2534081B (en) * | 2013-10-22 | 2020-01-22 | Guentner Gmbh & Co Kg | Control unit for a heat exchanger, heat exchanger, and a method for regulating a heat exchanger |
JP7010702B2 (en) * | 2015-12-24 | 2022-01-26 | 日本電気株式会社 | Heat exchanger and cooling tower |
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US5067560A (en) * | 1991-02-11 | 1991-11-26 | American Standard Inc. | Condenser coil arrangement for refrigeration system |
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EP1557622A2 (en) * | 2004-01-22 | 2005-07-27 | Hussmann Corporation | Microchannel condenser assembly |
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US4998580A (en) * | 1985-10-02 | 1991-03-12 | Modine Manufacturing Company | Condenser with small hydraulic diameter flow path |
CN1110394A (en) * | 1994-04-04 | 1995-10-18 | 吉阿明 | Application of air energy 8 shaped circulating air conditioner-differential cold valley pipe |
US6688138B2 (en) * | 2002-04-16 | 2004-02-10 | Tecumseh Products Company | Heat exchanger having header |
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-
2009
- 2009-09-22 AU AU2009301278A patent/AU2009301278B2/en not_active Ceased
- 2009-09-22 MX MX2011003580A patent/MX2011003580A/en active IP Right Grant
- 2009-09-22 US US13/122,698 patent/US20110209860A1/en not_active Abandoned
- 2009-09-22 BR BRPI0920656A patent/BRPI0920656A2/en not_active IP Right Cessation
- 2009-09-22 EP EP09783288A patent/EP2338017A1/en not_active Withdrawn
- 2009-09-22 WO PCT/EP2009/062266 patent/WO2010040635A1/en active Application Filing
- 2009-09-22 CA CA2739755A patent/CA2739755A1/en not_active Abandoned
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US3384165A (en) * | 1966-02-03 | 1968-05-21 | Du Pont | Heat exchanger |
US5067560A (en) * | 1991-02-11 | 1991-11-26 | American Standard Inc. | Condenser coil arrangement for refrigeration system |
EP0730131A1 (en) * | 1995-02-24 | 1996-09-04 | Gea-Erge-Spirale Et Soramat (S.A.) | Cooling apparatus for a fluid or for condensation of steam |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011160501A1 (en) * | 2010-06-21 | 2011-12-29 | 三花丹佛斯(杭州)微通道换热器有限公司 | Heat exchanger |
US9752833B2 (en) | 2010-06-21 | 2017-09-05 | Sanhua (Hangzhou) Micro Channel Heat Exchange Co., Ltd | Heat exchanger |
EP2696159A1 (en) | 2012-08-09 | 2014-02-12 | A-heat Allied Heat Exchange Technology Ag | Heat exchanger and method for wetting heat exchangers |
EP3249341A1 (en) | 2012-08-09 | 2017-11-29 | A-Heat Allied Heat Exchange Technology AG | Heat exchanger and method for wetting heat exchangers |
EP3249341B1 (en) | 2012-08-09 | 2020-09-02 | A-Heat Allied Heat Exchange Technology AG | Heat exchanger and method for wetting heat exchangers |
US10633785B2 (en) | 2016-08-10 | 2020-04-28 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
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Also Published As
Publication number | Publication date |
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AU2009301278A1 (en) | 2010-04-15 |
BRPI0920656A2 (en) | 2015-12-29 |
US20110209860A1 (en) | 2011-09-01 |
EP2338017A1 (en) | 2011-06-29 |
MX2011003580A (en) | 2011-05-02 |
CA2739755A1 (en) | 2010-04-15 |
AU2009301278B2 (en) | 2015-11-19 |
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