WO2014181687A1 - Échangeur de chaleur à stockage de froid - Google Patents

Échangeur de chaleur à stockage de froid Download PDF

Info

Publication number
WO2014181687A1
WO2014181687A1 PCT/JP2014/061440 JP2014061440W WO2014181687A1 WO 2014181687 A1 WO2014181687 A1 WO 2014181687A1 JP 2014061440 W JP2014061440 W JP 2014061440W WO 2014181687 A1 WO2014181687 A1 WO 2014181687A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
cold storage
heat exchanger
regenerator
storage material
Prior art date
Application number
PCT/JP2014/061440
Other languages
English (en)
Japanese (ja)
Inventor
聡史 上村
理郎 松下
隆哉 有本
Original Assignee
カルソニックカンセイ株式会社
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 カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Publication of WO2014181687A1 publication Critical patent/WO2014181687A1/fr

Links

Images

Classifications

    • 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
    • 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
    • F25B39/04—Condensers
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/053—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 tubular conduits the conduits being straight
    • F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel 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
    • 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
    • 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
    • F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/042—Details of condensers of pcm condensers
    • 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
    • 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 a cold storage heat exchanger incorporated in an air conditioning unit that is mounted on a vehicle and supplies conditioned air into the vehicle.
  • regenerator heat exchanger In the regenerator heat exchanger described in Patent Document 1, a regenerator with a built-in regenerator material is arranged on the downstream side (downstream side) of the air flow, and the regenerator is stored with cold air formed by the operation of the refrigerant compressor by normal traveling. It cools in the cooler and cools the air that passes through this cooler when idling stops.
  • this invention can improve the mounting property to an air-conditioning unit, without increasing the thickness of the air flow direction of a cool storage heat exchanger, and can suppress the increase in a weight and manufacturing cost.
  • the object is to provide a possible cold storage heat exchanger.
  • the regenerative heat exchanger extends along a first direction that intersects the air flow direction, and intersects the air flow direction and the first direction.
  • a pair of refrigerant tanks that are spaced apart from each other in a second direction and that are supplied with refrigerant therein, and a plurality of rows are arranged in the first direction between the pair of refrigerant tanks, and the pair of refrigerant tanks
  • a refrigerant tube having a refrigerant passage through which a refrigerant supplied from the refrigerant tank passes; and a cold storage material supplied to the refrigerant tube and cooled by air passing between the pair of refrigerant tanks.
  • coolant tube is provided in the said clearance gap between the said refrigerant paths, and has a cool storage material storage part which stores the said cool storage material.
  • the cold storage material storage unit for storing the cold storage material is provided in the gaps between the refrigerant passages provided at a plurality of locations along the air flow direction provided in the refrigerant tube.
  • FIG. 1 is a perspective view of the entire regenerator heat exchanger according to the first embodiment of the present invention.
  • FIG. 2 is a side view of the entire regenerative heat exchanger according to the first embodiment of the present invention.
  • 3 is a cross-sectional view taken along line III-III in FIG.
  • FIG. 4 is a perspective view of the refrigerant tube according to the first embodiment of the present invention.
  • FIG. 5 is a plan view of the refrigerant tube according to the first embodiment of the present invention.
  • FIG. 6 is a plan view of a refrigerant tube provided with a recess according to the second embodiment of the present invention.
  • FIG. 7 is a perspective view of a refrigerant tube provided with a recess according to the second embodiment of the present invention.
  • FIG. 8 is a plan view of a refrigerant tube provided with a recess according to the third embodiment of the present invention.
  • FIG. 1 to 5 show a cold storage heat exchanger 1 according to a first embodiment of the present invention.
  • 1 is a perspective view of the entire regenerator heat exchanger 1
  • FIG. 2 is a side view of the regenerator heat exchanger 1
  • FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 2
  • FIG. 5 is a plan view of the refrigerant tube 3.
  • the regenerator heat exchanger 1 is provided between a pair of refrigerant tanks 2, a refrigerant tube 3 disposed between the pair of refrigerant tanks 2, and an adjacent refrigerant tube 3. And fins 4 are provided.
  • the pair of refrigerant tanks 2 extend along a direction (first direction B) that intersects the air flow direction A, and a direction that intersects the air flow direction A and the first direction (second direction). In the direction C), they are spaced apart from each other and are supplied with refrigerant.
  • the refrigerant tubes 3 are arranged in a plurality of rows in a direction intersecting (orthogonal to) the air flow direction A (first direction B) between the pair of upper and lower refrigerant tanks 2, thereby forming a pair of upper and lower refrigerant tanks 2. Are connected. Inside the refrigerant tube 3, the refrigerant is supplied from the refrigerant tank 2, and heat exchange is performed between the supplied refrigerant and the air passing between the refrigerant tank 2. A regenerator material (not shown) is disposed inside the refrigerant tube 3.
  • the refrigerant tube 3 is provided with refrigerant passages 11 and 12 with an interval along the air flow direction A.
  • each refrigerant passage 11, 12 is formed by providing a plurality of passage portions 11 a, 12 a side by side. Both ends of the refrigerant passages 11 and 12 in the length direction (second direction C) are opened to form refrigerant passage openings 11b and 12b.
  • the refrigerant passage openings 11 b and 12 b at both ends in the length direction are inserted into the pair of upper and lower refrigerant tanks 2, whereby the refrigerant from the refrigerant tank 2 is supplied to the refrigerant passages 11 and 12.
  • cold storage material storage portions 13 and 14 in which the cold storage material is stored are provided.
  • the cold storage material reservoirs 13 and 14 are provided along the air flow direction A between the refrigerant passages 11 and 12 by being provided side by side.
  • the cold storage material reservoirs 13 and 14 are formed in the refrigerant tube 3 integrally with the refrigerant passages 11 and 12.
  • FIG. 3 shows the inside of the refrigerant tank 2, and the refrigerant tank 2 is formed by assembling the upper plate 15, the middle plate 16 and the lower plate 17.
  • a refrigerant supply passage 20 is provided between the upper plate 15 and the middle plate 16.
  • Between the middle plate 16 and the lower plate 17 is a cold storage material tank portion 19 in which the cold storage material is stored.
  • both end portions in the length direction of the regenerator storage parts 13 and 14 are opened to form regenerator storage part openings 13b and 14b.
  • the cold storage material in the cold storage material tank part 19 is supplied to the cold storage material storage parts 13 and 14, and stored.
  • the refrigerant supply passage 20 is provided outside the cold storage heat exchanger 1 inside the refrigerant tank 2, and the cold storage material tank portion 19 is inside the cold storage heat exchanger 1 inside the refrigerant tank 2.
  • the inside of the refrigerant tank 2 has a double structure.
  • the refrigerant passage openings 11 b and 12 b are located outside the refrigerant tank 2
  • the cool storage material reservoir openings 13 b and 14 b are located inside the refrigerant tank 2.
  • a plate-shaped partition member 18 is stretched between the upper plate 15 and the middle plate 16.
  • the partition member 18 separates the refrigerant supply passage 20 into a first refrigerant supply passage 21 and a second refrigerant supply passage 22 along the air flow direction A.
  • the refrigerant passage 11 communicates with the first refrigerant supply passage 21 by inserting the refrigerant passage openings 11 b at both ends in the length direction of the one refrigerant passage 11 into the first refrigerant supply passage 21.
  • the refrigerant passage 12 communicates with the second refrigerant supply passage 22 by inserting the refrigerant passage openings 12 b at both ends in the length direction of the other refrigerant passage 12 into the second refrigerant supply passage 22.
  • the fins 4 are formed in a continuous wave shape, and are provided between the adjacent refrigerant tubes 3 to transfer heat between the adjacent refrigerant tubes 3. Thereby, the fin 4 cools air when the air passes between the refrigerant tubes 3.
  • cold storage material storage parts 13 and 14 in which a cold storage material is stored are provided between a plurality of refrigerant passages 11 and 12 arranged along the air flow direction A. For this reason, at the time of idling stop, even if supply of a refrigerant
  • regenerator storage parts 13 and 14 are provided between the refrigerant passages 11 and 12 along the air flow direction A, the regenerator storage parts 13 and 14 are also provided along the air flow A. ing. For this reason, since the cool storage material storage parts 13 and 14 do not block the air flow, the resistance of the air passing through the cool storage heat exchanger 1 does not increase, and the conditioned air is efficiently supplied into the vehicle. Can do.
  • regenerator storage parts 13 and 14 and the refrigerant passages 11 and 12 are integrally formed in the refrigerant tube 3. For this reason, a number of parts can be reduced and an assembly can be performed easily.
  • regenerator heat exchanger 1 can be used as a normal evaporator of an air conditioning unit, and the vehicle does not have an idling stop function. It can also be used as it is.
  • FIGS. 6 and 7 show a cold storage heat exchanger 1A according to a second embodiment of the present invention.
  • a recess 31 is formed in the refrigerant tube 3A.
  • the recessed part 31 is formed in the up-down direction (2nd direction C) on both outer surfaces of each refrigerant
  • the recess 31 is formed in the refrigerant tube 3 ⁇ / b> A so as not to contact the fins 4 provided between the refrigerant tubes 3 ⁇ / b> A.
  • the recess 31 is formed between the cold storage material reservoirs 13 and 14 of the refrigerant tube 3A, and the condensed water generated on the outer surface of the refrigerant tube 3A due to cooling of the cold storage material reservoirs 13 and 14 is obtained. Functions to drain. This improves drainage.
  • FIG. 8 shows a cold storage heat exchanger 1B according to the third embodiment of the present invention.
  • a recess 31 is formed in the refrigerant tube 3B.
  • the recessed part 31 is formed in the up-down direction (2nd direction C) on both outer surfaces of each refrigerant
  • the recessed part 31 is formed in the refrigerant
  • the concave portion 31 is formed between the cold storage material storage portions 13 and 14 of the refrigerant tube 3B and between the refrigerant passages 11 and 12 adjacent to the cold storage material storage portions 13 and 14.
  • the number may be singular and may be three or more.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

　L'invention concerne un échangeur de chaleur à stockage de froid (1, 1A, 1B), lequel comporte: une paire de réservoirs (2) de réfrigérant; des canalisations (3) de réfrigérant et un matériau de stockage du froid. Le matériau de stockage du froid est amené par les canalisations (3) de réfrigérant et est refroidi par l'air passant entre la paire de réservoirs (2) de réfrigérant. Les canalisations (3) de réfrigérant comportent: des passages (11, 12) de réfrigérant situés en plusieurs emplacements suivant la direction d'écoulement (A) de l'air, espacés les uns des autres, et à travers lesquels passe le réfrigérant amené par les deux réservoirs (2) de réfrigérant; et des parties de rétention (13, 14) de réfrigérant situées dans les espaces entre les passages (11, 12) de réfrigérants, et dans lesquelles le réfrigérant est retenu.
PCT/JP2014/061440 2013-05-09 2014-04-23 Échangeur de chaleur à stockage de froid WO2014181687A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013099470A JP2014218191A (ja) 2013-05-09 2013-05-09 蓄冷熱交換器
JP2013-099470 2013-05-09

Publications (1)

Publication Number Publication Date
WO2014181687A1 true WO2014181687A1 (fr) 2014-11-13

Family

ID=51867169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/061440 WO2014181687A1 (fr) 2013-05-09 2014-04-23 Échangeur de chaleur à stockage de froid

Country Status (2)

Country Link
JP (1) JP2014218191A (fr)
WO (1) WO2014181687A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104507A1 (fr) * 2016-12-09 2018-06-14 Valeo Systemes Thermiques Dispositif thermique avec element d'echange thermique tubulaire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6540190B2 (ja) * 2015-04-21 2019-07-10 株式会社デンソー 蓄冷熱交換器
JP6428473B2 (ja) * 2015-05-12 2018-11-28 株式会社デンソー 蓄冷熱交換器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202084A (ja) * 1985-03-01 1986-09-06 Showa Alum Corp 熱交換器
JP2004184071A (ja) * 2002-11-29 2004-07-02 Valeo Climatisation 自動車の冷却液回路用の熱慣性による熱交換器
JP2008522133A (ja) * 2004-11-30 2008-06-26 ヴァレオ システム テルミク 蓄熱機能を備える熱交換器
JP2011133126A (ja) * 2009-12-22 2011-07-07 Showa Denko Kk 蓄冷機能付きエバポレータ
WO2012150768A1 (fr) * 2011-05-04 2012-11-08 Halla Climate Control Corp. Echangeur de chaleur à stockage de froid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202084A (ja) * 1985-03-01 1986-09-06 Showa Alum Corp 熱交換器
JP2004184071A (ja) * 2002-11-29 2004-07-02 Valeo Climatisation 自動車の冷却液回路用の熱慣性による熱交換器
JP2008522133A (ja) * 2004-11-30 2008-06-26 ヴァレオ システム テルミク 蓄熱機能を備える熱交換器
JP2011133126A (ja) * 2009-12-22 2011-07-07 Showa Denko Kk 蓄冷機能付きエバポレータ
WO2012150768A1 (fr) * 2011-05-04 2012-11-08 Halla Climate Control Corp. Echangeur de chaleur à stockage de froid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104507A1 (fr) * 2016-12-09 2018-06-14 Valeo Systemes Thermiques Dispositif thermique avec element d'echange thermique tubulaire
FR3060104A1 (fr) * 2016-12-09 2018-06-15 Valeo Systemes Thermiques Dispositif thermique avec element d’echange thermique tubulaire

Also Published As

Publication number Publication date
JP2014218191A (ja) 2014-11-20

Similar Documents

Publication Publication Date Title
JP5184314B2 (ja) 冷却システム
JP6183100B2 (ja) 蓄冷熱交換器
US10443955B2 (en) Tube with a reservoir of phase-change material for a heat exchanger
WO2011136047A1 (fr) Échangeur de chaleur d'intérieur de véhicule
US10352599B2 (en) Evaporator
JP2007232287A (ja) 熱交換器および一体型熱交換器
WO2014041771A1 (fr) Échangeur de chaleur
KR20130096819A (ko) 축냉 열교환기
WO2014181687A1 (fr) Échangeur de chaleur à stockage de froid
US9995513B2 (en) Refrigerant evaporator
JP2010139225A (ja) 車両空調用熱交換器
KR102439432B1 (ko) 차량용 쿨링모듈
EP3480545B1 (fr) Évaporateur de stockage de froid
JP2016176676A (ja) 蓄冷熱交換器
KR20110100002A (ko) 상변화 물질을 포함하는 이중 증발기
JP2017190896A (ja) 熱交換器
JP2014089035A (ja) 蓄冷熱交換器
JP2016176678A (ja) 蓄冷熱交換器
KR20080026738A (ko) 증발기
US20150040603A1 (en) Assembly Including A Heat Exchanger And A Mounting On Which Said Exchanger Is Mounted
JP2004338644A (ja) 車両用熱交換装置
KR101960786B1 (ko) 차량용 적층형 오일쿨러
JP2015014399A (ja) 蓄冷熱交換器
JP6126361B2 (ja) 蓄冷機能付き空気冷却器
JP6327386B2 (ja) 蓄冷熱交換器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14794362

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14794362

Country of ref document: EP

Kind code of ref document: A1