EP3575724A4 - Heat exchanger and heat pump water heater - Google Patents

Heat exchanger and heat pump water heater Download PDF

Info

Publication number
EP3575724A4
EP3575724A4 EP17894252.0A EP17894252A EP3575724A4 EP 3575724 A4 EP3575724 A4 EP 3575724A4 EP 17894252 A EP17894252 A EP 17894252A EP 3575724 A4 EP3575724 A4 EP 3575724A4
Authority
EP
European Patent Office
Prior art keywords
water heater
pump water
heat exchanger
heat
heat pump
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.)
Granted
Application number
EP17894252.0A
Other languages
German (de)
French (fr)
Other versions
EP3575724A1 (en
EP3575724B1 (en
Inventor
Kensaku HATANAKA
Toru Tonegawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3575724A1 publication Critical patent/EP3575724A1/en
Publication of EP3575724A4 publication Critical patent/EP3575724A4/en
Application granted granted Critical
Publication of EP3575724B1 publication Critical patent/EP3575724B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/14Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically both tubes being bent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/062Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081Heat exchange elements made from metals or metal alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/20Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being attachable to the element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00Reinforcing means
    • F28F2225/04Reinforcing means for conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2240/00Spacing means
EP17894252.0A 2017-01-30 2017-01-30 Heat exchanger and heat pump water heater Active EP3575724B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/003147 WO2018138906A1 (en) 2017-01-30 2017-01-30 Heat exchanger and heat pump water heater

Publications (3)

Publication Number Publication Date
EP3575724A1 EP3575724A1 (en) 2019-12-04
EP3575724A4 true EP3575724A4 (en) 2020-01-08
EP3575724B1 EP3575724B1 (en) 2021-08-18

Family

ID=62978512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17894252.0A Active EP3575724B1 (en) 2017-01-30 2017-01-30 Heat exchanger and heat pump water heater

Country Status (3)

Country Link
EP (1) EP3575724B1 (en)
JP (1) JP6790129B2 (en)
WO (1) WO2018138906A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7170011B2 (en) * 2020-08-31 2022-11-11 ジオシステム株式会社 heat exchanger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392526A (en) * 1980-05-08 1983-07-12 Wieland Werke Ag Concentric tube heat exchanger with spacer
JPS6422173U (en) * 1987-07-30 1989-02-03
US4930544A (en) * 1987-06-25 1990-06-05 Asahi/America, Inc. Double-containment thermoplastic pipe assembly
CN201697503U (en) * 2010-02-01 2011-01-05 上海醇华电子有限公司 Double-pipe heat interchanger
US20110139416A1 (en) * 2009-12-10 2011-06-16 Hutchinson Internal Heat Exchanger for Air Conditioning System of Motor Vehicle and Such a Circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760192A (en) * 1980-09-26 1982-04-10 Ishida Sangyo Kk Heat exchanger
JPS58198688A (en) * 1982-05-14 1983-11-18 Matsushita Electric Ind Co Ltd Heat exchanger
JPH03238128A (en) * 1990-02-14 1991-10-23 Shinko Metal Prod Kk Heat exchanger and its manufacture
JP5721532B2 (en) * 2010-09-27 2015-05-20 積水化学工業株式会社 Insulated double pipe
JP2013011387A (en) 2011-06-29 2013-01-17 Panasonic Corp Heat exchanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392526A (en) * 1980-05-08 1983-07-12 Wieland Werke Ag Concentric tube heat exchanger with spacer
US4930544A (en) * 1987-06-25 1990-06-05 Asahi/America, Inc. Double-containment thermoplastic pipe assembly
US4930544B1 (en) * 1987-06-25 1997-12-23 Asahi America Inc Double-containment thermoplastic pipe assembly
JPS6422173U (en) * 1987-07-30 1989-02-03
US20110139416A1 (en) * 2009-12-10 2011-06-16 Hutchinson Internal Heat Exchanger for Air Conditioning System of Motor Vehicle and Such a Circuit
CN201697503U (en) * 2010-02-01 2011-01-05 上海醇华电子有限公司 Double-pipe heat interchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018138906A1 *

Also Published As

Publication number Publication date
EP3575724A1 (en) 2019-12-04
JPWO2018138906A1 (en) 2019-11-07
EP3575724B1 (en) 2021-08-18
JP6790129B2 (en) 2020-11-25
WO2018138906A1 (en) 2018-08-02

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