WO2007133052A1 - Évaporateur équipé de partie de préservation de froid - Google Patents

Évaporateur équipé de partie de préservation de froid Download PDF

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Publication number
WO2007133052A1
WO2007133052A1 PCT/KR2007/002408 KR2007002408W WO2007133052A1 WO 2007133052 A1 WO2007133052 A1 WO 2007133052A1 KR 2007002408 W KR2007002408 W KR 2007002408W WO 2007133052 A1 WO2007133052 A1 WO 2007133052A1
Authority
WO
WIPO (PCT)
Prior art keywords
cold reserving
refrigerant
tank
lib
evaporator
Prior art date
Application number
PCT/KR2007/002408
Other languages
English (en)
Inventor
Hong-Young Lim
Dae Bok Keon
Tae Young Park
Original Assignee
Halla Climate Control Corp.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Halla Climate Control Corp. filed Critical Halla Climate Control Corp.
Priority to US12/300,561 priority Critical patent/US8479803B2/en
Priority claimed from KR1020070047881A external-priority patent/KR101224516B1/ko
Publication of WO2007133052A1 publication Critical patent/WO2007133052A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
    • B60H1/005—Regenerative cooling means, e.g. cold accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated elements
    • 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
    • F28D1/00—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0308—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—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, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/24—Storage receiver heat
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0004—Particular heat storage apparatus
    • F28D2020/0013—Particular heat storage apparatus the heat storage material being enclosed in elements attached to or integral with heat exchange conduits
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0085—Evaporators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the present invention relates to an evaporator, and more particularly, to a cold reserving part equipped evaporator in which the cold serving part is disposed between refrigerant passages formed of tubes so as to increase the cooling performance and thus to save energy.
  • the hybrid vehicle mainly selects an idle stop/go system in which an engine thereof is automatically stopped when the vehicle is stopped during waiting the signal and then restarted by operating a transmission.
  • an air conditioner of the hybrid vehicle is operated by the engine. If the engine is stopped, a compressor is also stopped and thus a temperature of an evaporator is increased. Therefore, there is a problem that a driver may feel inconvenience.
  • refrigerant in the evaporator can be easily vaporized at a room temperature, the refrigerant is vaporized during a short period while the compressor is stopped. Although the engine is restarted and the compressor and evaporator are operated again, the vaporized refrigerant should be compressed and liquefied again. Therefore, there are other problems that it takes long time for supplying a chilly wind and energy consumption is increased.
  • a heat exchanging medium passage 19Ie through which a heat exchanging medium is flowed and a thermal energy reserving material chamber 191f, 191f for storing thermal energy reserving material are integrally formed with a dual structural tube 191, and a passage 194 for fluid which is heat-exchanged with the heat exchanging medium is formed outside the dual structural tube 191.
  • the thermal energy reserving heat exchanger as shown in Fig. 1, since the dual structural tube 191 is formed by coupling a plurality of plate materials, coupling defects are occurred with increasing frequency and it is difficult to fabricate the tube. Further, if the coupling defects are occurred, the heat exchanging medium and the thermal energy reserving material may be mixed. Furthermore, it is difficult to find a portion where the coupling defects are occurred.
  • the passage through which the heat exchanging medium is flowed is formed outside the dual structural tube and the thermal energy reserving material chamber for storing the thermal energy reserving material is formed inside the dual structural tube, it is facile to store the cold of the heat exchanging medium in the thermal energy reserving material.
  • the air passing through the outside of the dual structural tube is contacted with the thermal energy reserving material chamber, there is other problem that a rate of heat transfer of the heat exchanging medium is lowered.
  • fins disposed outside the dual structural tube are just contacted with the thermal energy reserving material chamber and is not directly connected to the heat exchanging medium passage, the efficiency in heat exchange is lowered.
  • An object of the present invention is to provide an evaporator equipped with a cold reserving part which can prevent sharply increasing of a temperature in a vehicle by- using the cold reserved in the cold reserving part when an engine is stopped and which can rapidly reserve the cold when a compressor is operated again, thereby minimizing energy and time for air cooling.
  • Another object of the present invention is to provide an evaporator which has a simple structure so as to be fabricated facilely as well as to downsize a vehicle and reduce a weight thereof and which can increase a contact surface with refrigerant so as to effectively improve a cooling and cold reserving ability, thereby increasing the entire energy efficiency.
  • an evaporator of the present invention in which a plurality of tubes 30, in which a pair of plates 10 forming independent refrigerant passages 11a and lib are respectively coupled to both sides thereof, are laminated in a row, and a tank 40 communicated with the tube 30 is formed at an upper or lower side of the tube 30, and the tank 40 is provided with an inlet pipe 31 and an outlet pipe 32, and a plurality of fins 50 are formed between the tubes 30, is characterized in that a cold reserving part 20 for storing a cold reserving material is formed between the refrigerant passages 11a and lib of the tube 30, and integrally formed with the plate 10.
  • the cold reserving part 20 is formed in parallel with the refrigerant passage 11a, lib, and at least two surfaces of the cold reserving part 20 is contacted with the refrigerant passage 11a, lib.
  • the cold reserving material charging portion 41 and the air discharging portion 42 are provided with a cap 43 which is formed with a screw thread at an inside thereof and brazed to the hole 21, and a stopple 44 which is screwed to the screw thread of the cap 43.
  • the ratio of a width 1 of the cold reserving part with respect to a width L1+L2 of the refrigerant passage is between the range of 0.3 and 0.5.
  • the evaporator 60 is a one-tank type evaporator or a four-tank type evaporator, and the plate 10 allows the refrigerant to flow at an upper or lower side of the cold reserving part 20, so that a communicating portion 33 is formed to communicate the refrigerant between the refrigerant passages 11a, lib.
  • the evaporator 60 comprises an inlet pipe 31 and an outlet pipe 32 formed at both sides of the tank 40, and the refrigerant introduced through the inlet pipe 31 to the upper tank 40 is passed thorough a first region Al in which the refrigerant is moved to the lower tank 40 through the refrigerant passage lib, a second region A2 which is positioned near to the first region Al and in which the refrigerant moved to the upper tank 40 through the refrigerant passage lib and a third region A3 in which the refrigerant moved through the communicating portion 33 of the upper tank 40 is moved again to the lower tank 40 through other refrigerant passage 11a, and the refrigerant moved to the lower tank 40 through the third region A3 is moved to the upper tank 40 through the other refrigerant passage 11a and then discharged through a fourth region A4, which is positioned near to the third region A3, and the discharge pipe 32.
  • a predetermined region of the cold reserving part 20 in the plate 10 forming the communicating portion 33 is removed so that the refrigerant moved from the refrigerant passage lib to the other refrigerant passage 11a can be smoothly flowed, thereby increasing an upper width of the refrigerant passage 11a, the cold reserving part 20 is formed with a protrusion 22 to be protruded to an inside or outside of a surface thereof adjacent to the refrigerant passage 11a, lib, and a width 1 a lower side of the cold reserving part is wider than that of an upper side thereof.
  • the cold reserving part 20 is integrally- formed with the plate 10.
  • Fig. 1 is a cross-sectional view of a conventional heat exchange equipped with a dual structural tube
  • Fig. 2 is a perspective view of a four-tank type evaporator equipped with a cold reserving part according to the present invention
  • Fig. 3 is an exploded perspective view of a four-tank type evaporator tube equipped with the cold reserving part according to the present invention
  • Fig. 4 is a cross-sectional view of a four-tank type evaporator plate equipped with the cold reserving part according to the present invention
  • Fig. 5 is a graph of a cold reserving capacity in each area of the cold reserving part of the evaporator with the plate of Fig. 4 ;
  • Figs. 6a and 6b are views showing a refrigerant flow in the four-tank type evaporator with the cold reserving part according to the present invention
  • Fig. 7 is a cross-sectional view of the plate constructing a communicating portion of the four-tank type evaporator with the cold reserving part according to the present invention
  • Fig. 8 is a cross-sectional view of another plate constructing the communicating portion of the four-tank type evaporator with the cold reserving part according to the present invention
  • Fig. 9 is a cross-sectional view of yet another plate constructing the communicating portion of the four-tank type evaporator with the cold reserving part according to the present invention
  • Fig. 10 is an exploded perspective view of an one-tank type evaporator tube equipped with the cold reserving part according to the present invention
  • Fig. 11 is a cross-sectional view of an one-tank type evaporator plate equipped with the cold reserving part according to the present invention
  • Fig. 12 a cross-sectional view of another one-tank type evaporator plate with the cold reserving part according to the present invention
  • communicating portion 40 tank 41: cold reserving material charging portion 42: air discharging portion 43: cap 44 : stopple 44 : sealing member 50: fin 60: evaporator
  • Fig. 2 is a perspective view of a four-tank type evaporator equipped with a cold reserving part according to the present invention.
  • Fig. 2 is a perspective view of a four-tank type evaporator equipped with a cold reserving part according to the present invention.
  • the four-tank type evaporator equipped with the cold reserving part 20 according to the present invention as shown in Fig.
  • the tank 40 may be a pipe type extruded tank formed by extrusion molding.
  • Fig. 3 is an exploded perspective view of the tube 30 of the four-tank type evaporator 60 equipped with the cold reserving part 20 according to the present invention. Both side of the pair of plates 10 form one tube 30 and also form each refrigerant passage 11a, lib.
  • the plate 10 of the four-tank type evaporator 60 equipped with the cold reserving part 20 according to the present invention has the independent refrigerant passages 11a and lib separated by the cold reserving part 20, and beads 12 are formed at the refrigerant passage 11a, lib so as to increase the heat exchange efficiency.
  • a refrigerant flowing cup 13 is formed at upper and lower sides of the plate 10, and the tank 40 is communicated with the refrigerant flowing cup 13 so that the refrigerant can be introduced.
  • the present invention has a simple structure in which the refrigerant passages 11a, lib are separated by the cold reserving part 20. Since the cold reserving part 20 is contacted with at least two surfaces or more of the refrigerant passage 11a, lib and thus the contact area with the refrigerant is increased, it is possible to improve a cold reserving ability by reserving the cold using the almost whole refrigerant. Although the cold reserved in the cold reserving part 20 is used when the engine is stopped, it is possible to provide the excellent air cooling ability. In addition, since a separate reserving space for the cold reserving part 20 is not needed, the evaporator 60 can have a small size and a high efficiency.
  • Fig. 5 is a graph of a cold reserving capacity in each area of the cold reserving part 20 of the evaporator 60 with the plate 10 of Fig. 4, and the graph shows the cold reserving capacity (KJ/Kg) according to rpm of the vehicle engine when the plate 10 has a width a of 30 -60mm.
  • An X-axis of the graph in Fig. 5 shows a width 1 of the cold reserving part 20 with respect to a width L1+L2 of the refrigerant passage adjacent to the cold reserving part 20, and Y-axis shows the cold reserving capacity, and A, B, C and D show each cold reserving capacity of the heat exchanger according to rpm of the vehicle engine.
  • the ratio of a width 1 of the cold reserving part with respect to a width L1+L2 of the refrigerant passage is between the range of 0.3 and 0.5.
  • the cold reserving efficiency of the cold reserving part 20 is reduced, and in the case that the width 1 of the cold reserving part 20 with respect to the width L1+L2 of the refrigerant passage is excess 0.5, because the width L1+L2 of the refrigerant passage becomes small and thus the refrigerant can not flow smoothly, the cold reserving efficiency of the cold reserving part 20 is also reduced.
  • the ratio of a width 1 of the cold reserving part with respect to the width L1+L2 of the refrigerant passage is between the range of 0.3 and 0.5.
  • a hole 21, through which the cold reserving material can be moved may be formed at an upper or lower portion of the cold reserving part 20.
  • Figs. 3 to 5 show an embodiment that the hole 21 is formed at an upper and lower portion of the cold reserving part 20.
  • the cold reserving material can be moved through the hole 21 according to a volume change of the cold reserving material by a driving status of the vehicle and an external temperature, and also can be charged at one time through a cold reserving material charging portion 41 in the entire cold reserving part 20.
  • the tank 40 is formed with the cold reserving material charging portion 41 which is communicated with the hole 21 and through which the cold reserving material is charged in the cold reserving part 20, and an air discharging portion 42 through which air remained in the cold reserving part 20 is discharged when the cold reserving material is charged, so that the cold reserving material can be facilely charged through the cold reserving material charging portion 41 and the air discharging portion 42.
  • the air discharging portion 42 is formed to prevent that the cold reserving material is not charged in the entire cold reserving part 20 by the air remained in the cold reserving part 20.
  • the cold reserving material charging portion 41 and the air discharging portion 42 are provided with a cap 43 which is formed with a screw thread at an inside thereof and brazed to the hole 21, and a stopple 44 which is screwed to the screw thread of the cap 43. Therefore, after the cold reserving material is charged in the cold reserving part 20, the cold reserving material charging portion 41 and the air discharging portion 42 are air-tightly closed.
  • a sealing member like an 0-ring may be further provided between the cap 43 and the stopple 44.
  • Figs. 6a and 6b are views showing a refrigerant flow in the four-tank type evaporator 60 with the cold reserving part 20 according to the present invention.
  • the refrigerant flow path may be variously designed according to a position of an internal baffle of the evaporator 60, and Figs. 6a and 6b are an embodiment of the refrigerant flow path in the four-tank type evaporator 60 with the cold reserving part 20.
  • the refrigerant is introduced to a tank 40 formed at the upper side thereof and moved through the tube 30 to other tank 40 formed at the lower side thereof and then moved again through the tube 30 to the tank 40 to discharge the refrigerant.
  • the four-tank type evaporator 60 with the cold reserving part 20 is provided with the inlet pipe 31 and the outlet pipe 32 at both sides of the tank 40.
  • the refrigerant is introduced through the inlet pipe 31 to the upper tank 40 and passed thorough a first region Al in which the refrigerant is moved to the lower tank 40 through the refrigerant passage lib, a second region A2 which is positioned near to the first region Al and in which the refrigerant moved to the upper tank 40 through the refrigerant passage lib and a third region A3 in which the refrigerant moved through the communicating portion 33 of the upper tank 40 is moved again to the lower tank 40 through other refrigerant passage 11a, and the refrigerant moved to the lower tank 40 through the third region A3 is moved to the upper tank 40 through the other refrigerant passage 11a and then discharged through a fourth region A4 , which is positioned near to the third region A3, and the discharge pipe 32.
  • the four-tank type evaporator 60 with the cold reserving part 20 performs the heat exchange with the cold reserving part 20 and the external fins 50 and does not exert any influence on the existing refrigerant flow in the evaporator 60. Further, since the cold reserving part 20 is formed over an entire length of the refrigerant flow so as to increase the contact surface.
  • Fig. 7 is a cross-sectional view of the plate 10 constructing a communicating portion 33 of the four-tank type evaporator 60 with the cold reserving part 20 according to the present invention.
  • the plate 10 forming the communicating portion 33 as shown in Fig. 7 forms the communication portion between the refrigerant passages 11a and lib so as to allow the refrigerant to be flowed at an upper or lower area of the cold reserving part 20. That is, in the four-tank type evaporator 60 according to the present invention, the plate 10 as shown in Fig. 7 is used in an area in which the communicating portion 33, and the plate 10 as shown in Fig. 4 is used in the rest area.
  • the refrigerant can be moved from one refrigerant passage lib and to other refrigerant passage 11a through the communication portion 33, and three surfaces of the cold reserving part 20 are covered with the refrigerant, thereby increasing the cold reserving ability.
  • Fig. 8 is a cross-sectional view of another plate 10 constructing the communicating portion 33 of the four-tank type evaporator 60 with the cold reserving part 20 according to the present invention.
  • a desired region of the cold reserving part 20 may be removed so that the refrigerant moved from the refrigerant passage lib to the other refrigerant passage 11a can be smoothly flowed, thereby increasing an upper width of the refrigerant passage 11a.
  • FIG. 9 is a cross-sectional view of yet another plate 10 constructing the communicating portion 33 of the four-tank type evaporator 60 with the cold reserving part 20 according to the present invention, which is an example that the width 1 of the lower side of the cold reserving part is wider than that of an upper side.
  • the width 1 of the lower side of the cold reserving part may be wider than that of an upper side.
  • Fig. 10 is an exploded perspective view of an one-tank type evaporator tube 30 equipped with the cold reserving part according to the present invention
  • Fig. 11 is a cross- sectional view of an one-tank type evaporator plate 10 equipped with the cold reserving part according to the present invention.
  • the one-tank type evaporator has the same structure as the four-tank type evaporator except that the refrigerant flowing cup 13 and the hole 21 are formed only at the upper or lower side thereof.
  • One pair of right and left plates 10 forms one tube 30 so as to define each refrigerant passage 11a, lib, and beads 12 are formed at the refrigerant passage 11a, lib.
  • Figs. 10 and 11 show an example that the refrigerant flowing cup 13 is formed at the upper side of the plate 10 of the evaporator.
  • Fig. 12 a cross-sectional view of another one-tank type evaporator plate 10 with the cold reserving part 20 according to the present invention, wherein the cold reserving part 20 is provided with a protrusion 22 formed at a surface thereof adjacent to the refrigerant passage 11a, lib so as to be protruded to an outside.
  • the protrusion 22 formed at the cold reserving part 20 are formed to be correspondent to the bead formed on the outer surface of the refrigerant passage 11a, lib so as to increase an efficiency in the heat exchange between the refrigerant in the refrigerant passage 11a, lib and the cold reserving material in the cold reserving part 20.
  • the protrusion 22 of the cold reserving part 20 may be formed to have other shape which is protruded to an inside.
  • the cold reserving part 20 is integrally formed with the plate 10. And the cold reserving part 20 may be fabricated previously and then assembled in the evaporator 60.
  • the cold reserving part equipped evaporator of the present invention since the cold reserving part is provided between the refrigerant passages, it is possible to keep the inside of the vehicle comfortable by using the cold reserved in the cold reserving part when the vehicle engine is stopped, thereby saving time and energy for re-cooling the cold reserving material .
  • the cold reserving part and the refrigerant passage can be integrally formed by using the plate so as to have a simple structure, it is possible to downsize the vehicle and improve the gas mileage and also reduce harmful exhaust gas, thereby reducing environmental pollution.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un évaporateur dans lequel une pluralité de tubes (30), dans lesquels une paire de plaques (10) formant des passages de réfrigération indépendants (11a) et (11b) sont respectivement couplées aux deux faces de celui-ci, sont stratifiées en une rangée, et un réservoir (40) en communication avec le tube (30) est formé à une face supérieure ou une face inférieure du tube (30), et le réservoir (40) est muni d'un tuyau d'admission (31) et d'un tuyau d'évacuation (32), et une pluralité d'ailettes (50) sont formées entre les tubes (30). L'invention de caractérise en ce qu'une partie de préservation de froid (20) pour le stockage d'un matériau de préservation de froid est formée entre les passages de réfrigération (11a) et (11b) du tube (30), et formée intégralement avec la plaque (10).
PCT/KR2007/002408 2006-05-17 2007-05-17 Évaporateur équipé de partie de préservation de froid WO2007133052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/300,561 US8479803B2 (en) 2006-05-17 2007-05-17 Evaporator equipped with cold reserving part

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20060044078 2006-05-17
KR10-2006-0044078 2006-05-17
KR1020070047881A KR101224516B1 (ko) 2006-05-17 2007-05-17 축냉부를 구비한 증발기
KR10-2007-0047881 2007-05-17

Publications (1)

Publication Number Publication Date
WO2007133052A1 true WO2007133052A1 (fr) 2007-11-22

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PCT/KR2007/002408 WO2007133052A1 (fr) 2006-05-17 2007-05-17 Évaporateur équipé de partie de préservation de froid

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WO (1) WO2007133052A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100223949A1 (en) * 2009-03-06 2010-09-09 Showa Denko K.K. Evaporator with cool storage function
CN102109254A (zh) * 2009-12-25 2011-06-29 昭和电工株式会社 带蓄冷功能的蒸发器
WO2013072492A1 (fr) * 2011-11-17 2013-05-23 Behr Gmbh & Co. Kg Procédé de fermeture d'un bac collecteur
FR3086046A1 (fr) * 2018-09-13 2020-03-20 Valeo Systemes Thermiques Echangeur de chaleur a reservoir de materiau a changement de phase

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141820A (ja) * 1996-11-06 1998-05-29 Daikin Ind Ltd プレート式熱交換器
JP2005001408A (ja) * 2003-06-09 2005-01-06 Sanden Corp 車両用空調装置
KR20070067848A (ko) * 2005-12-26 2007-06-29 한라공조주식회사 축냉 열교환기

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141820A (ja) * 1996-11-06 1998-05-29 Daikin Ind Ltd プレート式熱交換器
JP2005001408A (ja) * 2003-06-09 2005-01-06 Sanden Corp 車両用空調装置
KR20070067848A (ko) * 2005-12-26 2007-06-29 한라공조주식회사 축냉 열교환기

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100223949A1 (en) * 2009-03-06 2010-09-09 Showa Denko K.K. Evaporator with cool storage function
CN102109254A (zh) * 2009-12-25 2011-06-29 昭和电工株式会社 带蓄冷功能的蒸发器
US20110154855A1 (en) * 2009-12-25 2011-06-30 Showa Denko K.K. Evaporator with cool storage function
WO2013072492A1 (fr) * 2011-11-17 2013-05-23 Behr Gmbh & Co. Kg Procédé de fermeture d'un bac collecteur
US9919818B2 (en) 2011-11-17 2018-03-20 Mahle International Gmbh Method for closing a collecting tank
FR3086046A1 (fr) * 2018-09-13 2020-03-20 Valeo Systemes Thermiques Echangeur de chaleur a reservoir de materiau a changement de phase

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