US20110017428A1 - Plane type heat exchanger - Google Patents

Plane type heat exchanger Download PDF

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Publication number
US20110017428A1
US20110017428A1 US12/741,420 US74142008A US2011017428A1 US 20110017428 A1 US20110017428 A1 US 20110017428A1 US 74142008 A US74142008 A US 74142008A US 2011017428 A1 US2011017428 A1 US 2011017428A1
Authority
US
United States
Prior art keywords
heat exchange
heat exchanger
plane type
exchange pipes
plate
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.)
Abandoned
Application number
US12/741,420
Other languages
English (en)
Inventor
Tae-Sik Min
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.)
Kyung Dong Navien Co Ltd
Original Assignee
Kyung Dong Navien Co Ltd
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 Kyung Dong Navien Co Ltd filed Critical Kyung Dong Navien Co Ltd
Assigned to KYUNG-DONG NAVIEN CO., LTD. reassignment KYUNG-DONG NAVIEN CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIN, TAE-SIK
Publication of US20110017428A1 publication Critical patent/US20110017428A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0041—Heat-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 for only one medium being tubes having parts touching each other or tubes assembled in panel form
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-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 in parallel spaced relation
    • F28D7/163—Heat-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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1638—Heat-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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • 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
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Definitions

  • the present invention relates to a plane type heat exchanger, more particularly a plane type heat exchanger that has a simple structure and can be easily manufactured by substituting a rectangular plane type for a spiral cylindrical type of the structure of a heat exchange pipe according to the related art which is used for a heat exchanger using combustion gas that is heated by a burner and makes laminar flow.
  • a pin and tube type that transfers combustion heat of combustion gas to fluid flowing inside a heat exchange pipe through heat transfer pins provided around the surface of the heat exchange pipe is used for heat exchangers that are used in hot-water and heating boilers that use fossil fuels.
  • Devices for making turbulent flow are designed for the pin and tube type heat exchangers to improve heat exchange performance and the heat transfer pins are provided, such that heat exchange efficiency is improved.
  • numerous heat transfer pins are provided, thereby increasing cost.
  • laminar flow type heat exchangers are low in heat transfer efficiency as compared with turbulent flow type heat exchangers; however, the laminar flow type heat exchangers can achieve high heat transfer efficiency even though heat transfer pins are not provided on the surface of a heat exchange pipe until a boundary layer where the flow of combustion gas changes from laminar flow to turbulent flow is formed.
  • FIG. 1 is a perspective view of a cylindrical heat exchange pipe that is used in a heat exchanger using laminar flow in the related art and FIG. 2 is a side view of the cylindrical heat exchange pipe shown in FIG. 1 .
  • a cylindrical heat exchange pipe 10 is a spiral pipe having a flat cross section.
  • Low-temperature heating water flows into a heating water inlet 11 formed at one end of the cylindrical heat exchange pipe 10 , and combustion heat of combustion gas that is heated by a burner (not shown) is transferred to the heating water flowing through the heat exchange pipe 10 wound spirally, such that high-temperature heating water is discharged through a heating water outlet 12 formed at the other end, for heating or hot water.
  • the combustion gas heated by the burner radially flows through a space formed inside the spiral cylindrical heat exchange pipe 10 .
  • protruding beads 15 are formed on the flat surfaces of the cylindrical heat exchange pipe 10 , such that the gaps between the pipes are maintained at the protruding distance of the beads 15 when the pipe is spirally wound and pressed.
  • the cylindrical heat exchanger in the related art is large in volume and should be spirally manufactured with the space inside the heat exchange pipe 10 uniformly maintained, such that it has a structural limit in that manufacturing is difficult and only a cylindrical burner can be used, not a plane type burner.
  • distortion is generated at the flat portions while the cylindrical heat exchange pipe 10 is spirally manufactured, such that it is difficult to flat the surface.
  • a plane type heat exchanger having heat exchange pipes, through which heating water flows, and makes heat exchange by contacting with laminar-flow combustion gas
  • the plane type heat exchanger includes: a plurality of heat exchange pipes that have a rectangular cross section with a larger width of a side, which contacts with the combustion gas, than the height, and are arranged at regular intervals in parallel with each other; inner plates where both ends of the heat exchange pipes are inserted to be fixed at regular intervals; and outer plates that are communicated with the heat exchange pipes through the inner plates and form spaces covering the outer surfaces of the inner plates.
  • Insertion holes having sizes close to the cross-sectional area of the heat exchange pipes are formed, at positions corresponding to the heat exchange pipes, through the inner plates and both ends of the heat exchange pipes are inserted in the insertion holes.
  • a sub-plate is provided between the inner plate and the outer plate.
  • Flow channel holes having sizes smaller than the cross section of the heat exchange pipes are formed through the sub-plate.
  • Both ends of the heat exchange pipes are in close contact with the sub-plates.
  • Brazing is applied to between the inner plate and the sub-plate, the heat exchange pipe and the inner plate, and the heat exchange pipe and the sub-plate.
  • Brazing is applied to portions where both ends of the heat exchange pipe is inserted in the inner plate.
  • the outer plate is divided into a plurality of sections.
  • a plane type heat exchanger of the present invention it is easy to flat contact surfaces between heat exchange pipes and combustion gas by manufacturing heat exchange pipes, which are used in the heat exchanger, in a plane multi-layered structure, and it is possible to improve heat transfer efficiency by maintaining regular gaps between the heat exchange pipes.
  • the present invention it is possible to reduce the entire volume of the heat exchanger by simplifying the structure of the heat exchanger, and decrease the manufacturing cost of the heat exchanger by making it possible to use a plane type burner for the heat exchanger.
  • FIG. 1 is a perspective view of a cylindrical heat exchange pipe that is used in a heat exchanger using laminar flow in the related art.
  • FIG. 2 is a side view of the cylindrical heat exchange pipe shown in FIG. 1 .
  • FIG. 3 is a cross-sectional plan view showing the structure of a plane type heat exchanger according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of FIG. 3 .
  • FIG. 5 is a cross-sectional plan view showing the structure of a plane type heat exchanger according to another embodiment of the present invention.
  • FIG. 6 is an exploded perspective view of FIG. 5 .
  • FIG. 3 is a cross-sectional plan view showing the structure of a plane type heat exchanger according to an embodiment of the present invention and FIG. 4 is an exploded perspective view of FIG. 3 .
  • a heat exchanger 100 includes a plurality of heat exchange pipes 135 that are arranged at regular intervals in parallel with each other, inner plates 140 , 141 where both ends of the heat exchange pipes 135 are inserted and fixed, and outer plates 150 , 151 that cover the outer surfaces of the inner plates 140 , 141 and form spaces inside.
  • the heat exchange pipe 135 is a plane type having a rectangular cross section that is larger in width of a side, which contacts with combustion gas making laminar flow than height and the side contacting with the combustion gas is flat, such that manufacturing is easy.
  • Insertion holes 140 a , 141 a are formed through the inner plate 140 , 141 and both ends of the heat exchange pipes 135 are inserted in the insertion holes 140 a , 141 a.
  • the heat exchange pipes 135 are inserted in the insertion holes 140 a , 141 a formed through the inner plate 140 , 141 and brazing is applied to the portion where both ends of the heat exchange pipes 135 are inserted in the insertion holes 140 a , 141 a of the inner plate 140 , 141 , such that sealing is maintained.
  • the gaps between the heat exchange pipes 135 that are arranged in parallel should be maintained at regular intervals to increase heat transfer efficiency. Further, the laminar flow of the combustion gas should be maintained by forming the gaps within 0.5 to 2.0 mm to achieve effective heat transfer.
  • the outer plates 150 , 151 are attached to the outer surfaces of the inner plates 140 , 141 , such that empty spaces are formed inside between the inner plates 140 , 141 and the outer plates 150 , 151 .
  • a heating water inlet 131 is formed at the outer plate 150 and heating water outlet 132 is formed at the other outer plate 151 .
  • Heating water flows along paths indicated by arrows in FIG. 3 .
  • Heating water flowing into the heating water inlet 131 flows into the space between the outer plate 150 and the inner plate 140 , circulates inside the heat exchange pipes 135 through the insertion holes 140 a formed through the inner plate 140 , flows into the space between the other inner plate 141 and the outer plate 151 through the insertion holes 141 a formed through the inner plate 141 , and then is discharged outside through the heating water outlet 132 .
  • heat transfer is made while the heating water circulates in one direction inside the heat exchange pipes 135 .
  • FIG. 5 is a cross-sectional plan view showing the structure of a plane type heat exchanger according to another embodiment of the present invention
  • FIG. 6 is an exploded perspective view of FIG. 5 .
  • a heat exchanger 200 according to a second embodiment of the present invention has a configuration in which heating water circulates in an S-shape such that the paths alternate inside heat exchange pipes 235 .
  • sub-plates 245 , 246 are provided between inner plates 240 , 241 and outer plates 250 , 251 to make brazing easy. That is, brazing is easily applied to materials that are difficult to braze.
  • the heat exchanger 200 includes a plurality of heat exchange pipes 235 that are arranged at regular intervals in parallel with each other, the inner plates 240 , 241 where both ends of the heat exchange pipes 235 are inserted and fixed, the sub-plates 245 , 246 that are attached to the inner plates 240 , 241 and support the outer plates 250 , 251 to form flow channels of heating water, the outer plates 250 , 251 that cover the outer surfaces of the sub-plates 245 , 246 and are divided into a plurality of sections having spaces inside, and fixing plates 260 , 261 that fix the outer plates 250 , 251 to the sub-plates 245 , 246 .
  • Both ends of the heat exchange pipes 235 are inserted and in insertion holes 240 a , 241 a formed through the inner plates 240 , 241 such that the heat exchange pipes 235 are fixed at regular intervals, and the heat exchange pipes 235 are firmly brazed by the sub-plates 245 , 246 .
  • Flow channel holes 245 a , 246 a of the sub-plates 245 , 246 are smaller than the heat exchange pipes 235 and both ends of the heat exchange pipes 235 are in close contact with the sub-plates 245 , 246 .
  • the outer plates 250 , 251 are substantially bent in a U-shape and cover the outer sides of the flow channel holes 245 a , 246 a formed through the sub-plates 245 , 246 , and both edges of the outer plates 250 , 251 are sealed, such that airtightness of the heating water is kept.
  • the heating water circulates in the directions indicated by arrows shown in FIG. 5 . That is, the heating water flows into a heating water inlet 231 , passes through the space covered by the outer plate 250 , circulates along the heat exchange pipes 235 through the flow channel hole 245 a formed through the sub-plate 245 and the insertion holes 240 a formed through the inner plate 240 , and continues flowing into the space covered by the outer plate 251 through the insertion hole 241 a formed through the other inner plate 241 and the flow channel hole 246 a formed through the sub-plate 246 .
  • the heating water changes the flow direction along the next heat exchange pipe 235 that is communicated with the outer plates 250 , 251 and sequentially flows as shown in FIG. 5 .
  • the heating water is discharged outside through a heating water outlet 232 , for heating or hot water.
  • a plane type heat exchanger according to the present invention has plane type multi-layered heat exchange pipes, which are arranged at regular intervals, such that it is possible to easily manufacture and improve heat exchange efficiency.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Fluid Heaters (AREA)
US12/741,420 2007-11-08 2008-10-22 Plane type heat exchanger Abandoned US20110017428A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2007-0113994 2007-11-08
KR1020070113994A KR20090047906A (ko) 2007-11-08 2007-11-08 평면형 열교환기
PCT/KR2008/006230 WO2009061087A2 (en) 2007-11-08 2008-10-22 Plane type heat exchanger

Publications (1)

Publication Number Publication Date
US20110017428A1 true US20110017428A1 (en) 2011-01-27

Family

ID=40626318

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/741,420 Abandoned US20110017428A1 (en) 2007-11-08 2008-10-22 Plane type heat exchanger

Country Status (6)

Country Link
US (1) US20110017428A1 (uk)
EP (1) EP2215420A4 (uk)
KR (1) KR20090047906A (uk)
CN (1) CN101861507A (uk)
UA (1) UA98821C2 (uk)
WO (1) WO2009061087A2 (uk)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514038A (zh) * 2019-09-27 2019-11-29 南京同诚节能环保装备研究院有限公司 一种冷凝式换热器

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101329675B1 (ko) * 2011-08-12 2013-11-15 주식회사 경동나비엔 열교환기의 분리가 가능한 연소장치
KR101262206B1 (ko) * 2011-08-12 2013-05-15 주식회사 경동나비엔 배기가스의 열 회수가 가능한 연소장치
CN104969011B (zh) 2012-12-04 2017-11-03 能升公司 组合式热交换器和燃烧器
RO128908A0 (ro) * 2013-02-14 2013-10-30 Kober S.R.L. Schimbător de căldură şi procedeu de realizare
CN107062598B (zh) * 2016-09-28 2022-04-22 浙江南方锅炉有限公司 一种卧式侧烧式盘管结构快速热水发生器
IT201700096656A1 (it) * 2017-08-28 2019-02-28 Cosmogas Srl Scambiatore di calore per una caldaia, e tubo di scambiatore di calore
DE102019207830A1 (de) * 2019-05-28 2020-12-03 Mahle International Gmbh Herstellverfahren zum Herstellen einer Wärmeübertrageranordnung und Wärmeübertrageranordnung zum Kühlen und/oder Wärmen eines Wärmeübertragerfluids

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US1975101A (en) * 1933-03-16 1934-10-02 Worrell H Holby Water heater
US3805745A (en) * 1972-05-31 1974-04-23 Raypak Inc Boiler for use with gaseous fuel or oil
US4383499A (en) * 1978-05-26 1983-05-17 Potterton International Limited Cast metal heat exchanger and method of formation
US4386652A (en) * 1980-06-27 1983-06-07 North York Mobile Wash Limited Heat exchange assembly
US5435154A (en) * 1993-01-26 1995-07-25 Hitachi, Ltd. High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator
US6026804A (en) * 1995-12-28 2000-02-22 H-Tech, Inc. Heater for fluids
US6470702B2 (en) * 1997-11-12 2002-10-29 Hitachi, Ltd. Absorption water heater/chiller and high temperature regenerator therefor
US6827139B2 (en) * 2002-04-03 2004-12-07 Denso Corporation Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereof
JP2005274045A (ja) * 2004-03-25 2005-10-06 Noritz Corp 熱源装置
US7044208B2 (en) * 2002-02-19 2006-05-16 Denso Corporation Heat exchanger

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AT311606B (de) * 1970-11-04 1973-11-26 Vaillant Joh Kg Lamellenheizkörper
AT400079B (de) * 1991-08-16 1995-09-25 Vaillant Gmbh Wasserheizgerät
KR0129794Y1 (ko) * 1994-11-18 1999-01-15 정몽원 열교환기
JP3624486B2 (ja) * 1994-12-20 2005-03-02 株式会社デンソー 熱交換器およびその製法
JP2001097029A (ja) * 1999-09-28 2001-04-10 Calsonic Kansei Corp 暖房用熱交換器
JP2001194088A (ja) * 1999-10-19 2001-07-17 Zexel Valeo Climate Control Corp 熱交換器
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1975101A (en) * 1933-03-16 1934-10-02 Worrell H Holby Water heater
US3805745A (en) * 1972-05-31 1974-04-23 Raypak Inc Boiler for use with gaseous fuel or oil
US4383499A (en) * 1978-05-26 1983-05-17 Potterton International Limited Cast metal heat exchanger and method of formation
US4386652A (en) * 1980-06-27 1983-06-07 North York Mobile Wash Limited Heat exchange assembly
US5435154A (en) * 1993-01-26 1995-07-25 Hitachi, Ltd. High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator
US6026804A (en) * 1995-12-28 2000-02-22 H-Tech, Inc. Heater for fluids
US6470702B2 (en) * 1997-11-12 2002-10-29 Hitachi, Ltd. Absorption water heater/chiller and high temperature regenerator therefor
US7044208B2 (en) * 2002-02-19 2006-05-16 Denso Corporation Heat exchanger
US6827139B2 (en) * 2002-04-03 2004-12-07 Denso Corporation Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereof
JP2005274045A (ja) * 2004-03-25 2005-10-06 Noritz Corp 熱源装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514038A (zh) * 2019-09-27 2019-11-29 南京同诚节能环保装备研究院有限公司 一种冷凝式换热器

Also Published As

Publication number Publication date
EP2215420A2 (en) 2010-08-11
CN101861507A (zh) 2010-10-13
KR20090047906A (ko) 2009-05-13
WO2009061087A2 (en) 2009-05-14
WO2009061087A3 (en) 2009-07-02
UA98821C2 (uk) 2012-06-25
EP2215420A4 (en) 2014-01-15

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