US2617634A - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
US2617634A
US2617634A US12102A US1210248A US2617634A US 2617634 A US2617634 A US 2617634A US 12102 A US12102 A US 12102A US 1210248 A US1210248 A US 1210248A US 2617634 A US2617634 A US 2617634A
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United States
Prior art keywords
cells
sheets
heat exchanger
rings
sheet
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Expired - Lifetime
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US12102A
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English (en)
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Jendrassik George
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    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/916—Oil cooler
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49366—Sheet joined to sheet

Definitions

  • HEAT EXCHANGER Filed Feb. 28', 1948 5 Sheets-Sheet s I I I I v ijjflfil Patented Nov. 11, 1952 HEAT EXCHANGER 7 George Jendrassik,'Budapest, Hungary Application February 28, 1948, Serial No. 12,102 In Hungary May 22, 1942 Section 1, Public Law 690, August s, 1946 7 Patent expires May 22, 1962 5 Claims. (Cl. 257-245) H 1
  • This invention relates to heat exchangers. "Heat exchangers are known of the kind which consist of a plurality of sheets of nearly identical shape stacked one above the other. Adjacent sheets of the sheet assembly are secured (e. g.
  • the other heat exchange medium flows outside the individual cells formed by pairs of sheets through a closed casing enclosing the assembled sheets and provided with an inlet and an outlet opening.
  • said assembled sheets In order to enable one heat exchange medium; to enter .and leave the cells between the pairs of sheets, said assembled sheets communicate withan inlet manifold and an outlet manifold both of which are common to all the assembled pairs of sheets.
  • One known heat exchanger of this kind which is'suitable for use with fluids at substantially different pressures has its sheets each equipped with two apertured dished portions.
  • this previously proposed heat exchanger is that the distance between adjacent cells cannot be reduced as much as is desirable. This is because the axial length of the manifold rings cannot be's ubstantially reduced because of the peripheral bore holes through them. Hence, an excessive number of corrugated inserts has had to be used in some instances.
  • One object ofthe present invention is to pro* vide a heat exchanger of the kind hereinbefore described which is of compact construction and highly eflicient in operation.
  • Another object of the invention is to provide a heat exchanger of the kind hereinbefore described in which the space betweenthe superimposed cells is reduced to a minimum.
  • a further object of the invention is to provide a compact heat exchanger of the kind hereinbefore described which can be easily dismantled and re-assembled.
  • Figures 1, 2 and 3 show sectional plan, endand side elevations respectively of a heat ex-- changer according to the invention having interdigitated cells;
  • Figure 4 shows in more detail the arrangement.
  • Figures 5, 7 and 9 are views of three difierent.
  • Figures 6, 8 and 10 are views of the individual component. sheets making up the groups shown in Figures 5,- 7 and 9 respectively;
  • Figure 11 is a section through one form of
  • Figs. 12. and 13 are respectively a top plan view and a vertical section through part of another form of insertring; and v v Fig.-- 14 is a section through a further insert ring.
  • FIGs 1, 2 and 3. is shown the general con-j struction of a heat exchanger according to the invention.
  • this construction there are two sets of: interdigitated cells I and II.
  • Each cell is formed of two sheets I and If welded. or otherwise joined together at their edges :2.
  • Each. sheet is of the shape clearly shown in Figure 1 and has at its opposite ends circular flared-outparts 3 and 3' which parts each have-a central aperture (see Figure 3 particularly).
  • Four mani fold ducts are provided altogether, each cell communicating with two of them and alternate cells being connected tothesame pair of manifolds.
  • Figure 4 is in effect an enlarged view of. a part of Figure 3 and it shows the superimposition of rings making up manifold ducting.
  • Figures 5 and 6 relate to cells of this same embodiment, whilst Figures 7 and 8, and 9 and 10 refer to two different embodiments. For each cell there may be either two or three ducts provided perpendicularly to the sheet planes. 1
  • FIG. 7 and 8 Two or more inlet and/or discharge ducts can be provided for each sheet pair.
  • FIGs. 7 and 8 A typical embodiment of this latter kind is shown in Figs. 7 and 8,. where the assembly is composed of identical sheetv pairs. arranged in mirror image fashion.
  • Fig. 4 representing a section taken at one end of the sheet assembly along the axis of such a duct, shows clearly that on the edges of" the cells 26, 2'! there are no parts of sheets which would prevent the contact of the cells 23, 24, 25.
  • the duct part shown in Fig. belongs to the duct '1 of the embodiment shown in Fig. 5, the interstices of the cells 26, 21 join on, in an arrangement corresponding to Fig. 4, to the duct 1-.
  • the height of the manifold rings amounts to at least the distance, measured in the middle zone of the sheet bundle, of the outer sheets of a sheet group consisting of three consecutive sheets.
  • rings of the same dimensions can be, when using two ducts (as shown in Figs. 5. and 7) practically twice as large, and, when employing three ducts (as shown in Fig. 9) three times as large as the distance between the sheets or conversely in case of rings of the same height, the gap width between adjacent cells may be in generala half or a third, respectively, of the gap width permissible in the known arrangement.
  • Figs. 12 and 13 Another suitable embodiment is shown in Figs. 12 and 13 (of which Fig. 12 is a plan. view, and Fig. 13 a cylindrical section, evolved into a plane) of the insert ring.
  • the insert consists of there rings, viz. of two outer smooth rings 29, 3!] and. of a corrugated ring 31 arranged therebetween.
  • may be produced by stamping.
  • the outer smooth rings 29, 30 withstand the necessary tightening compression, and are preferably welded to the corrugated ring 31.
  • Fig. 14 The embodiment shown. in Fig. 14. consists of a toothed ring 32 and of a plane tightening ring 33 supported by the teeth of the toothed ring.
  • the heat exchanger of the present invention is particularly suitable for effecting heat transmission between gaseous working media in counterflow, this being of great. importance in connection with gas turbines or other heat engines, operating in conjunction with heat exchangers.
  • it is the high-pressure working medium of lower temperature which flows through the sheet cells, to which working medium, at the available temperature drop, the heat contents of the low-pressure working medium of higher temperature. are transmitted.
  • a heat exchanger for the transfer of heat between fluids at substantially different pressures comprising a casing, inlet and outlet connections to. the casing via. which the lower pres.- sure fluid is arranged to flow through the casing in one direction, a, number of spatially separated.- cells supported as apack within the casing, entry and exit arrangements for the cells via which the higher pressure" fluid is arranged to flow in parallel through the. diiferent cells in a direction opposite to the lower pressure fluid flow, in which the individual cells are ach constructed of a pair of sheets joined together at their edges the sheets both being flared out to corresponding apertures at least in one position. adjacent each of the.
  • a heat exchanger as claimed in claim 1 in which said passages have at least as great a dimension axially of the tubes as the perpendicular distance between the sheets of a cell.
  • a heat exchanger as claimed in claim 1 in which said tubular supporting members are fabricated from two flat annuli and a corrugated ring therebetween.
  • a heat exchanger for the transfer of heat between fluids at substantially different pressures comprising a casing, inlet and outlet connections to the casing via which the lower pressure fluid is arranged to flow through the casing in one direction, a number of spatially separated cells supported as a pack Within the casing, entry and exit arrangements for the cells via which the higher pressure fluid is arranged to flow in parallel through the diiferent cells in a direction opposite to the lower pressure fluid flow, in which the individual cells are each constructed of a pair of sheets joined together at their edges the sheets both being flared out to corresponding apertures in two positions adjacent one end of the cell and in another position adjacent the opposite end of the cell, in which in every cell a tubular supporting member having circumferentially distributed fluid passages extends between each corresponding pair of apertures, in which the tubular members of adjacent cells are arranged to be ofiset with respect to one another but coincident and superimposed in tight contact with the tubular members of non-adjacent cells in the pack and in which said fluid entry and exit arrangements are connected to appropriate super
  • a heat exchanger for the transfer of heat between fluids at substantially difierent pressures comprising a casing, inlet and outlet connections to the casing via which the lower pressure fluid is arranged to flow through the casing in one direction, a number of spatially separated cells supported as a pack within the casing, entry and exit arrangements for the cells via which the higher pressure fluid is arranged to flow in parallel through the different cells in a direction opposite to the lower pressure fluid flow, in which the individual cells are each constructed of a pair of sheets joined together at their edges the sheets both being flared out to corresponding apertures in one position adjacent each of the two opposite ends of the cell, in which there are two kinds of cells, the first having identical but asymmetrical plan and the second having symmetrical plan, in which any three consecutive cells of the pack consist of two cells of the first kind in mirror-image relation to one another and one cell of the second kind, in which in every cell a tubular supporting member having circumferentially distributed fluid passages extends between each corresponding pair of apertures, in which the tubular members of adjacent

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
US12102A 1942-05-22 1948-02-28 Heat exchanger Expired - Lifetime US2617634A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU2617634X 1942-05-22

Publications (1)

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US2617634A true US2617634A (en) 1952-11-11

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US12102A Expired - Lifetime US2617634A (en) 1942-05-22 1948-02-28 Heat exchanger

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US (1) US2617634A (enrdf_load_stackoverflow)
FR (1) FR958699A (enrdf_load_stackoverflow)

Cited By (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813701A (en) * 1954-09-02 1957-11-19 United Aircraft Corp Cross-flow heat exchanger
US3017161A (en) * 1959-01-12 1962-01-16 Modine Mfg Co Heat exchanger
US3216492A (en) * 1961-07-03 1965-11-09 John M Weaver Exchange unit
US3229764A (en) * 1962-05-11 1966-01-18 Trane Co Compact heat exchanger
US3240268A (en) * 1962-01-02 1966-03-15 Gen Motors Corp Stacked caseless heat exchangers
US3262251A (en) * 1962-03-06 1966-07-26 Mosaic Fabrications Inc Gas diffusion cell elements
US3265126A (en) * 1963-11-14 1966-08-09 Borg Warner Heat exchanger
US3444926A (en) * 1967-11-28 1969-05-20 Rosenblads Patenter Ab Arrangement in heat exchangers of the plate type
US3473210A (en) * 1967-01-19 1969-10-21 United Aircraft Prod Method of making a heat exchanger
FR2003648A1 (enrdf_load_stackoverflow) * 1968-03-11 1969-11-14 Garrett Corp
US3537165A (en) * 1968-06-26 1970-11-03 Air Preheater Method of making a plate-type heat exchanger
US3702021A (en) * 1969-03-04 1972-11-07 Chrysler Uk Methods of making heat exchangers
US3702022A (en) * 1969-03-20 1972-11-07 Chrysler Uk Methods of making heat exchangers
DE2521279A1 (de) * 1974-05-24 1975-12-04 Borg Warner Waermetauscherplatte
US4017953A (en) * 1974-04-11 1977-04-19 Ciba-Geigy Corporation Heat exchangers
DE2714147A1 (de) * 1976-04-12 1977-10-27 Commissariat Energie Atomique Waermeaustauscher
US4058980A (en) * 1974-12-18 1977-11-22 S.R.M. Hydromekanik Aktiebolag Heat exchangers
US4162703A (en) * 1976-02-12 1979-07-31 Aktiebolaget Atomenergi Plate-type heat exchanger
FR2459439A1 (fr) * 1979-06-18 1981-01-09 Borg Warner Echangeur de chaleur pour fluides multiples
US4246962A (en) * 1977-01-14 1981-01-27 Aktiebolaget Carl Munters Device for use in connection with heat exchangers for the transfer of sensible and/or latent heat
US4249597A (en) * 1979-05-07 1981-02-10 General Motors Corporation Plate type heat exchanger
US4252616A (en) * 1978-03-03 1981-02-24 Howard Glazer Water distillation apparatus and method
US4258784A (en) * 1978-04-07 1981-03-31 The Boeing Company Heat exchange apparatus and method of utilizing the same
US4335782A (en) * 1974-07-01 1982-06-22 The Garrett Corporation Heat exchanger method
US4360055A (en) * 1976-09-08 1982-11-23 Modine Manufacturing Company Heat exchanger
US4396057A (en) * 1977-12-31 1983-08-02 Berntell John O Plate heat exchanger
US4433723A (en) 1976-09-22 1984-02-28 The Garrett Corporation Heat exchanger method and apparatus
US4700774A (en) * 1981-10-23 1987-10-20 Sueddeutsche Kuehlerfabrik Julius F. Behr. Gmbh Oil cooler
US4966231A (en) * 1989-03-15 1990-10-30 Rolls-Royce Plc Heat exchanger construction
WO1991013308A1 (en) * 1990-02-28 1991-09-05 Alfa-Laval Thermal Ab Permanently joined plate heat exchanger
WO1992011501A1 (en) * 1990-12-17 1992-07-09 Alfa-Laval Thermal Ab A plate heat exhanger, a method of producing a plate heat exchanger and means for performing the method
US5165468A (en) * 1990-08-06 1992-11-24 Calsonic Co., Ltd. Oil cooler for automatic transmission
EP0622600A1 (de) * 1993-04-24 1994-11-02 Knecht Filterwerke Gmbh Ölkühler in Scheibenbauweise
US5462113A (en) * 1994-06-20 1995-10-31 Flatplate, Inc. Three-circuit stacked plate heat exchanger
USD376842S (en) 1995-04-12 1996-12-24 Nutech Energy Systems Inc. Heat recovery ventilator
US5632334A (en) * 1995-01-13 1997-05-27 Nutech Energy Systems Inc. Heat recovery ventilator with room air defrosting feature
US5695007A (en) * 1993-03-17 1997-12-09 Faudat Concept Heat exchanger device and method for cooling the inner chamber thereof
US5755280A (en) * 1995-05-04 1998-05-26 Packinox Plate-type heat exchanger
WO1998058217A1 (en) * 1997-06-18 1998-12-23 Gas Research Institute Flat-plate absorbers and evaporators for absorption coolers
US5860470A (en) * 1994-08-31 1999-01-19 Alfa Laval Ab Cover round a plate heat exchanger
US5884696A (en) * 1994-12-26 1999-03-23 Valeo Climatisation Heat exchanger of reduced size for heat transfer between three fluids
US6164371A (en) * 1997-02-21 2000-12-26 Alfa Laval Ab Plate heat exchanger for three heat exchanging fluids
US6305466B1 (en) * 1998-03-11 2001-10-23 Swep International Ab Three circuit plate heat exchanger
US20040112579A1 (en) * 2002-09-19 2004-06-17 Roland Strahle Reinforced stacked plate heat exchanger
US20040173341A1 (en) * 2002-04-25 2004-09-09 George Moser Oil cooler and production method
US6817406B1 (en) * 1999-03-04 2004-11-16 Ebara Corporation Plate type heat exchanger
US20040231825A1 (en) * 2003-03-17 2004-11-25 Visteon Global Technologies, Inc. Heat exchanger assembly
US20050087331A1 (en) * 2003-10-22 2005-04-28 Martin Michael A. Heat exchanger, method of forming a sleeve which may be used in the heat exchanger, and a sleeve formed by the method
US20050284620A1 (en) * 2002-09-17 2005-12-29 Peter Thunwall Arrangement for a plate heat exchanger
US20060048923A1 (en) * 2002-12-13 2006-03-09 Jean-Paul Domen Heat exchanger, methods and means for making same
US20070029077A1 (en) * 2005-08-02 2007-02-08 Mirolli Mark D Hybrid heat exchanger
US20080196874A1 (en) * 2005-04-13 2008-08-21 Alfa Laval Corporate Ab Plate Heat Exchanger
US20080251242A1 (en) * 2005-10-20 2008-10-16 Behr Gmbh & Co. Kg Heat Exchanger
US20080283231A1 (en) * 2004-01-09 2008-11-20 Tobias Horte Plate Heat Exchanger
US20090211739A1 (en) * 2007-05-03 2009-08-27 Brayton Energy, Llc Heat Exchanger with Pressure and Thermal Stain Management
US20090229803A1 (en) * 2008-03-11 2009-09-17 Kaori Heat Treatment Co., Ltd. Heat exchanger having reinforcing device
US20100212867A1 (en) * 2009-02-25 2010-08-26 Man Nutzfahrzeuge Ag Cooling Device for Engine Oil and/or Transmission Oil, Particularly in an Internal Combustion Engine
CN102939509A (zh) * 2010-06-16 2013-02-20 泰坦X引擎冷却控股公司 板式热交换器、油冷却系统以及用于冷却油的方法
US20150010874A1 (en) * 2013-07-03 2015-01-08 Oregon State University Microscale combustor-heat exchanger
US20150275701A1 (en) * 2012-09-25 2015-10-01 Modine Manufacturing Company System and Method for Recovering Waste Heat
US20150354899A1 (en) * 2012-12-21 2015-12-10 Valeo Systemes Thermiques Heat exchanger, in particular for a refrigerant circulating in a motor vehicle
US20150369543A1 (en) * 2014-06-18 2015-12-24 Yutaka Giken Co., Ltd. Heat exchanger and method of manufacturing same
US20160214457A1 (en) * 2012-12-21 2016-07-28 Valeo Systemes Thermiques Heat exchanger for exchanging heat between a heat-transfer liquid and a refrigerant, in particular for a motor vehicle
US20160327344A1 (en) * 2013-07-12 2016-11-10 Valeo Systemes Thermiques Heat exchanger
DE102016114710A1 (de) * 2016-08-09 2018-02-15 Thyssenkrupp Ag Plattenwärmetauscher, Synthesevorrichtung und Verfahren zur Herstellung eines Produkts
DE102016114711A1 (de) * 2016-08-09 2018-02-15 Thyssenkrupp Ag Plattenwärmetauscher, Synthesevorrichtung und Verfahren zur Herstellung eines Produkts
JP2018084393A (ja) * 2016-11-25 2018-05-31 株式会社ノーリツ 熱交換器及び貯湯給湯装置
US20190145711A1 (en) * 2016-05-30 2019-05-16 Alfa Laval Corporate Ab A plate heat exchanger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668558A (en) * 1899-04-13 1901-02-19 Frederic Fouche Apparatus for effecting exchange of temperature.
DE366869C (de) * 1923-01-12 Johannes Reble Kuehler fuer Explosionskraftmaschinen
FR742142A (enrdf_load_stackoverflow) * 1933-02-28
GB412029A (en) * 1933-05-15 1934-06-21 Richard Seligman Improvements in or relating to heat exchange apparatus
FR883006A (fr) * 1940-08-02 1943-06-22 échangeur de chaleur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE366869C (de) * 1923-01-12 Johannes Reble Kuehler fuer Explosionskraftmaschinen
FR742142A (enrdf_load_stackoverflow) * 1933-02-28
US668558A (en) * 1899-04-13 1901-02-19 Frederic Fouche Apparatus for effecting exchange of temperature.
GB412029A (en) * 1933-05-15 1934-06-21 Richard Seligman Improvements in or relating to heat exchange apparatus
FR883006A (fr) * 1940-08-02 1943-06-22 échangeur de chaleur

Cited By (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813701A (en) * 1954-09-02 1957-11-19 United Aircraft Corp Cross-flow heat exchanger
US3017161A (en) * 1959-01-12 1962-01-16 Modine Mfg Co Heat exchanger
US3216492A (en) * 1961-07-03 1965-11-09 John M Weaver Exchange unit
US3240268A (en) * 1962-01-02 1966-03-15 Gen Motors Corp Stacked caseless heat exchangers
US3262251A (en) * 1962-03-06 1966-07-26 Mosaic Fabrications Inc Gas diffusion cell elements
US3229764A (en) * 1962-05-11 1966-01-18 Trane Co Compact heat exchanger
US3265126A (en) * 1963-11-14 1966-08-09 Borg Warner Heat exchanger
US3473210A (en) * 1967-01-19 1969-10-21 United Aircraft Prod Method of making a heat exchanger
US3444926A (en) * 1967-11-28 1969-05-20 Rosenblads Patenter Ab Arrangement in heat exchangers of the plate type
FR2003648A1 (enrdf_load_stackoverflow) * 1968-03-11 1969-11-14 Garrett Corp
US3537165A (en) * 1968-06-26 1970-11-03 Air Preheater Method of making a plate-type heat exchanger
US3702021A (en) * 1969-03-04 1972-11-07 Chrysler Uk Methods of making heat exchangers
US3702022A (en) * 1969-03-20 1972-11-07 Chrysler Uk Methods of making heat exchangers
US4017953A (en) * 1974-04-11 1977-04-19 Ciba-Geigy Corporation Heat exchangers
DE2521279A1 (de) * 1974-05-24 1975-12-04 Borg Warner Waermetauscherplatte
US4002201A (en) * 1974-05-24 1977-01-11 Borg-Warner Corporation Multiple fluid stacked plate heat exchanger
US4081025A (en) * 1974-05-24 1978-03-28 Borg-Warner Corporation Multiple fluid stacked plate heat exchanger
US4335782A (en) * 1974-07-01 1982-06-22 The Garrett Corporation Heat exchanger method
US4058980A (en) * 1974-12-18 1977-11-22 S.R.M. Hydromekanik Aktiebolag Heat exchangers
US4162703A (en) * 1976-02-12 1979-07-31 Aktiebolaget Atomenergi Plate-type heat exchanger
DE2714147A1 (de) * 1976-04-12 1977-10-27 Commissariat Energie Atomique Waermeaustauscher
US4246961A (en) * 1976-04-12 1981-01-27 Commissariat A L'energie Atomique Plate heat exchanger
US4360055A (en) * 1976-09-08 1982-11-23 Modine Manufacturing Company Heat exchanger
US4433723A (en) 1976-09-22 1984-02-28 The Garrett Corporation Heat exchanger method and apparatus
US4246962A (en) * 1977-01-14 1981-01-27 Aktiebolaget Carl Munters Device for use in connection with heat exchangers for the transfer of sensible and/or latent heat
US4396057A (en) * 1977-12-31 1983-08-02 Berntell John O Plate heat exchanger
US4252616A (en) * 1978-03-03 1981-02-24 Howard Glazer Water distillation apparatus and method
US4258784A (en) * 1978-04-07 1981-03-31 The Boeing Company Heat exchange apparatus and method of utilizing the same
US4249597A (en) * 1979-05-07 1981-02-10 General Motors Corporation Plate type heat exchanger
FR2459439A1 (fr) * 1979-06-18 1981-01-09 Borg Warner Echangeur de chaleur pour fluides multiples
US4327802A (en) * 1979-06-18 1982-05-04 Borg-Warner Corporation Multiple fluid heat exchanger
US4700774A (en) * 1981-10-23 1987-10-20 Sueddeutsche Kuehlerfabrik Julius F. Behr. Gmbh Oil cooler
US4966231A (en) * 1989-03-15 1990-10-30 Rolls-Royce Plc Heat exchanger construction
WO1991013308A1 (en) * 1990-02-28 1991-09-05 Alfa-Laval Thermal Ab Permanently joined plate heat exchanger
US5307869A (en) * 1990-02-28 1994-05-03 Alfa-Laval Thermal Ab Permanently joined plate heat exchanger
US5165468A (en) * 1990-08-06 1992-11-24 Calsonic Co., Ltd. Oil cooler for automatic transmission
WO1992011501A1 (en) * 1990-12-17 1992-07-09 Alfa-Laval Thermal Ab A plate heat exhanger, a method of producing a plate heat exchanger and means for performing the method
US5492171A (en) * 1990-12-17 1996-02-20 Alfa Laval Thermal Ab Plate heat exchanger, a method of producing a plate heat exchanger and means for performing the method
US5695007A (en) * 1993-03-17 1997-12-09 Faudat Concept Heat exchanger device and method for cooling the inner chamber thereof
EP0622600A1 (de) * 1993-04-24 1994-11-02 Knecht Filterwerke Gmbh Ölkühler in Scheibenbauweise
US5462113A (en) * 1994-06-20 1995-10-31 Flatplate, Inc. Three-circuit stacked plate heat exchanger
US5860470A (en) * 1994-08-31 1999-01-19 Alfa Laval Ab Cover round a plate heat exchanger
US5884696A (en) * 1994-12-26 1999-03-23 Valeo Climatisation Heat exchanger of reduced size for heat transfer between three fluids
US5632334A (en) * 1995-01-13 1997-05-27 Nutech Energy Systems Inc. Heat recovery ventilator with room air defrosting feature
USD376842S (en) 1995-04-12 1996-12-24 Nutech Energy Systems Inc. Heat recovery ventilator
US5755280A (en) * 1995-05-04 1998-05-26 Packinox Plate-type heat exchanger
US6164371A (en) * 1997-02-21 2000-12-26 Alfa Laval Ab Plate heat exchanger for three heat exchanging fluids
WO1998058217A1 (en) * 1997-06-18 1998-12-23 Gas Research Institute Flat-plate absorbers and evaporators for absorption coolers
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