US2044457A - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
US2044457A
US2044457A US51452A US5145235A US2044457A US 2044457 A US2044457 A US 2044457A US 51452 A US51452 A US 51452A US 5145235 A US5145235 A US 5145235A US 2044457 A US2044457 A US 2044457A
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Prior art keywords
headers
sections
tubes
openings
bolts
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Expired - Lifetime
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US51452A
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Fred M Young
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Fred M Young
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F28F9/266Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by screw-type connections
    • 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
    • F28D1/00Heat-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
    • F28D1/02Heat-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
    • F28D1/04Heat-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
    • F28D1/053Heat-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
    • F28D1/05316Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05341Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/0202Header boxes having their inner space divided by partitions
    • F28F9/0204Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0214Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only longitudinal partitions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00Fastening; Joining
    • F28F2275/20Fastening; Joining with threaded elements
    • F28F2275/205Fastening; Joining with threaded elements with of tie-rods
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00Heat exchange
    • Y10S165/454Heat exchange having side-by-side conduits structure or conduit section
    • Y10S165/458Self-contained sections hydraulically connected in series

Description

June 16, 1936. F. M. YOUNG HEAT EXCHANGER 2 Sheets-Sheet 1 Filed Nov. 25, 1935 7llrrlienfor (morn 5 Fig.3
June 16, 1936. YOUNG 2,044,457
HEAT EXCHANGER Filed Nov. 25, 1935 2 Sheets-Sheet 2 Fig.4 Fig.5
a, Ihuemol" 7 M lflgjownq 8g dfikwg (aroma Fatenteol June 116, i936 with stares error o re HEAT IEXCHANGER Fred M. Young, Racine, Wis. Application November 25, 1935, Serial No. 51,452
5 Claims.
My invention relates particularly to air blast heating and cooling units, and provides means whereby units may be readily assembled in shapes and sizes suitable for the various equipment needs, and a device that will operate eiliciently.
One of the objects of my invention is to provide a design which may be manufactured or shipped in a number of sections and bolted together when being installed, without the use of pipes or fittings, thus to facilitate manufacturing, shipping and installing operations.
Another object is to provide a number of sections having means to pass the heating or cooling medium through the sections in series sinuously from the inlet to the outlet through direct openings between the sections, thus to reduce friction and insure free and equal flow through the tubes of the sections.
A further object is to provide a unit which may be operated on the counter flow principle.
It is a further object to provide means whereby the sections are held together through stuffing boxes and semi-resilient packing rings, thus to insure against loose joints, leaks and trouble from unequal expansion and contraction.
Another object of my invention is to provide a unit which will occupy minimum space and wherein individual sections may be easily removed and replaced, and whereby very few headers may be used with which to make up an almost innumerable number of sections of varying sizes; also whereby vesy few sections may answer with which to make up units suitable for an almost innumerable number of installations, thus to simplify and cheapen manufacturing and installing problems.
To these and other useful ends my invention consists of matter hereinafter set forth and claimed and shown in the accompanying drawings in which:
Figure 1 is a front elevation of my improved device.
Figure 2 is a side elevation of the device shown in Figure 1, comprising 4 sections and 2 rows of tubes in each section.
Figure 3 is an enlarged fractiona section taken on line 33 of Figure 1.
Figure 4 is a fractional side view illustrating a unit having 2 sections and 3 rows of tubes to each section.
Figure 5 is a diagrammatic drawing illustrating a unit having 3 sections and 2 rows of tubes to each section.
Figure 6 is a diagrammatic drawing illustrating a 4 section unit as shown in Figure 2.
Figure 7 is a diagrammatic drawing illustrating a 4 section unit, 3 sections having 2 rows of tubes each and 1 section having 1 row of tubes.
As thus illustrated in Figures 1, 2, 3 and 6, my improved heat exchanger comprises four sections, these sections being designated by reference char- 5 acters A, B, C and D. A designates No. 1 or the inlet section. As clearly illustrated in Figures 2, 3 and 6 section A comprises inlet header l0 and outlet header II and the tubes therebetween are designated by reference numeral l2. The 10 tube ends are expanded and held in openings in the headers preferably by means of ferrules l3.
All of the headers are provided with threaded openings l4, each registering with a tube where-- by the tube ends and ferrules may be expanded 15 in the usual manner after which the openings are closed by means of suitable screw threaded plugs.
In the outside face of headers in and II, preferabl y three inlet openings l5 are provided, the center one in header l0 being closed by means of 0 the screw threaded plug l6. These three openings are used for inlet pipe connections and any one or more of these openings may be used for this purpose.
Header Il may be exactly like header I 0 inso- 25 far as concerns the foregoing except that all three openings l5 are sealed by plugs IS. The inner faces of these headers are provided with two circular projections H which are exactly opposite projections l8l8, (see dotted lines in Fig- 30 ure 1). These projections are machine faced. An opening I9 is provided in the center of lugs H in header l0 and is of a size which will loosely embrace bolt 20. Projections l8 on headers l0 and H are provided with openings 25 which will 35 loosely embrace bolt 20. Openings M are counter sunk from the outside forming pockets 22 for which I provide a semi-resilient packing ring 23.
I also provide a suitably shaped sleeve 26 which, when seated firmly on ring 23, will protrude past 40 the surface of projections l8. Bolts 20 are threaded at each end as indicated; thus nut 25 will answer with which to compress ring 23 and seal the opening and also provide means whereby the various sections of the unit are bound together as will hereinafter appear.
Section D is exactly like section A except it is reversed as indicated. It will be seen by referring to Figure 4 that enlarged openings 30 are provided in headers H. One end of sleeve 3! is pressed into the opening in one header the other end being made slightly smaller and will be loosely embraced by the opening in the adjacent header (see Figure 3); thus it will be seen that when assembling the units as shown in Figure 4, the bolts 20 will answer as dowels or positioning means between headers l0 and that the sleeves 3! will answer as dowels or positioning means for headers II, the openings 30 being large enough for the passage of the heating or cooling means from one header to the other. Thus in the assembly shown in Figure 4, the heating or cooling medium may enter one of headers l0, pass to header l I through the connecting tubes and thence through openings 30 and through the fact that the intervening headers are duplicates,
but they are positioned whereby the enlarged openings 30 are paired as illustrated; but these openings at the other end of the section are on the opposite side of the section, as clearly illustrated in Figures 6 and '7, and openings H) are paired as shown. It will be noted that similar numerals are applied to like parts in the various sections. Thus as will hereinafter appear, any number of intervening sections may be placed between the inlet and outlet sections, it being necessary only to turn intervening sections oppositely and position the headers oppositely on each section whereby to connect all of the sections in series as clearly illustrated in Figures 5, 6 and 7. In Figures 2, 3, 5,6 and '7 intervening headers are similar and therefore reference numeral 35 is used to designate these headers, both sides having preferably projections which are similar to projections I! on headers I!) and H, one side however, having openings 30 and the other side having openings IS, the object of these projections being to simplify the surface milling operations. The advantage of this design is that the projections may be machined in one operation by straddle milling.
Clearly units A and D of Figure 2, may provide the inlet and outlet headers for the assemblies shown in Figures 4, 5 and 6. In Figure 5 the outlet section is turned end for end in order to provide the proper set up for the three section unit. In Figure 7 the outlet section may be exactly like section D of Figure 2 except that there is but one row of tubes but the headers therefor may be made somewhat narrower if desired.
Three rows of tubes may be: placed in headers 10 and H by staggering the rows. In any event either header may be made suitable for either one, two or three rows of tubes or separate headers of a proper width may be supplied. In some installations an odd number of tubes may be found desirable. This may be accomplished as in Figure 7, or by using a three and a two row section with which to provide a five row unit. If however, a unit as in Figure 4 is desired having five rows, the outlet section in the assembly may be supplied with two rows of tubes as shown in Figures 5 and 6. Clearly therefore, an innumerable number of combinations are possible. Generally however, the desired number of tubes may be made possible by simply using longer or shorter headers in order to avoid odd combinaminimum cost.
tions of sections; for example, when it is desired to locate the outlet on the same end of the unit as the inlet, this must be accomplished by providing either two, four or six sections. If however, it is desired to place the outlet on the opposite end from the inlet, there should be either three or five sections of the. desired number of rows of tubes having sections of a suitable length and width and the correct aggregate number of tubes to produce the desired results. Obviously many different combinations, too numerous to mention, are possible with applicants headers and means for making up sections and units therefrom; for example, an assembly as shown in Figure 4 may be made by using headers I l at both ends of the sections; thus there would be provided openings 30 between each pair of tubes as indicated by dotted lines and by suitably positioning plugs IS, the heating or cooling medium may be caused to pass through the sections in parallel.
Clearly when desired, the sections may be completed and shipped to their destination in sepa rate crates with full assurance that any person, skilled in erecting and installing units of the class, will be able to assemble and install applicants unit in a satisfactory manner and at a Bolts 20 may be of a generous diameter and they, the gaskets and end packing rings may be of a material which will resist deterioration.
It will be seen that the outstanding advantages of applicants device are, resilient finding means,
convenience in manufacture and assembling, thatthe flow of heating or cooling medium may be through the proper number of tubes which are in series and therefore the benefit from equal distribution of liquid in the tubes of a section, may be assured and the counter flow heat transfer principle made available.
Having thus shown and described the preferred form of my invention, I claim:
1. A heat exchanger comprising a number of sections, each consisting of two headers and circulating tubes therebetween, said headers being bound together by means of bolts passing therethrough, gaskets between said headers surrounding said bolts, enlarged openings positioned alternately with closely embracing openings surrounding said bolts between certain pairs of headers, whereby the heating or cooling medium will pass serially through said sections and enlarged openings, said bolts at their ends having stuffing boxes with semi-resilient packing rings and means whereby said sections will be bound together through said rings.
2. A heat transfer device comprising a number of sections, each consisting of two headers and circulating tubes therebetween, said headers being bound together by means of bolts passing therethrough, gaskets between said headers surrounding said bolts, enlarged openings having centering sleeves surrounding said bolts, whereby the heating or cooling means may pass from one header to the other, a stuffing box having a semiresilient packing ring at each said bolt ends, sleeves and holding means at the ends of said bolts, whereby said headers are held together through said packing ring.
3. A heat transfer device comprising a number of sections, each having two headers and circulating tubes therebetween, said headers being bound together by means of bolts passing therethrough, gaskets between said headers surrounding said bolts, stuffing boxes having semi-resilient packing rings and sleeves each surrounding said bolt ends,
- osa e? holding means on said bolt ends resting on said sleeves, whereby said headers are held together through pressure on said packing rings, inlet and outlet connections in certain headers and enlarged openings surrounding said bolts between certain pairs of headers, whereby the heating or cooling medium may pass from the inlet to the outlet through said sections in series;
i. A heat transfer device comprising a number of sections, each consisting of two headers and circulating tubes therebetween, said headers being bound together by means of bolts passing therethrough, stufring boxes having semi-resilient packing rings in said headers at each bolt end and having sleeves and nuts, whereby said headers are held together through said pacln'ng rings.
5. A heat transfer device comprising two sec- I tions, each consisting 01 two headers and circulat ing tubes therebetween, said headers loeing bound together by means of bolts passing therethrough, gaskets between said headers surrounding said bolts, inlet and outlet connections in adjacent headers and enlarged openings surrounding the bolts of the other headers, whereby the heating or cooling medium may pass through said tubes and said other headers, a stuffing box having sen1i= resilient packing rings in said headers and sieeves thereon at each bolt end, forming a rest for nuts thereon, whereby said headers are held together through said packing rings.
FRED M. YOUNG.
US51452A 1935-11-25 1935-11-25 Heat exchanger Expired - Lifetime US2044457A (en)

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Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123055A (en) * 1964-03-03 Boiler having refractory headers
US3368617A (en) * 1961-12-26 1968-02-13 Marquardt Corp Heat exchanger
US4202407A (en) * 1978-07-24 1980-05-13 Didier Engineering Gmbh Apparatus for cooling gases from coke plants
US4386652A (en) * 1980-06-27 1983-06-07 North York Mobile Wash Limited Heat exchange assembly
FR2521277A1 (en) * 1982-02-08 1983-08-12 Valeo HEAT EXCHANGER, PARTICULARLY FOR AN INTERNAL COMBUSTION ENGINE COOLING CIRCUIT
US4651820A (en) * 1983-10-17 1987-03-24 Herfried Knapp Heat exchanger having adjustable baffles
US5148863A (en) * 1992-01-15 1992-09-22 Earl's Supply Co. Modular cooler
FR2676273A1 (en) * 1991-05-10 1992-11-13 Valeo Thermique Moteur Sa Fluid (header) box of tubular general shape for heat exchanger
US5303770A (en) * 1993-06-04 1994-04-19 Dierbeck Robert F Modular heat exchanger
US5325915A (en) * 1993-07-14 1994-07-05 Earl's Supply Co. Modular cooler
US5383517A (en) * 1993-06-04 1995-01-24 Dierbeck; Robert F. Adhesively assembled and sealed modular heat exchanger
US5529116A (en) * 1989-08-23 1996-06-25 Showa Aluminum Corporation Duplex heat exchanger
US6155339A (en) * 1999-06-18 2000-12-05 Grapengater; Richard B. Obround header for a heat exchanger
US6161614A (en) * 1998-03-27 2000-12-19 Karmazin Products Corporation Aluminum header construction
US20010008184A1 (en) * 1999-12-28 2001-07-19 Masashi Miyamura Pipe mat for air-conditioning
US6523260B2 (en) 2001-07-05 2003-02-25 Harsco Technologies Corporation Method of making a seamless unitary body quadrilateral header for heat exchanger
US6523606B1 (en) * 1998-07-28 2003-02-25 Visteon Global Technologies, Inc. Heat exchanger tube block with multichamber flat tubes
US20030066633A1 (en) * 2001-09-29 2003-04-10 Halla Climate Control Corporation Heat exchanger
US6644393B2 (en) * 2002-04-16 2003-11-11 Laars, Inc. Cylindrical heat exchanger
US20040250988A1 (en) * 2003-05-16 2004-12-16 Norbert Machanek Heat exchanger block
US20060242831A1 (en) * 2005-03-08 2006-11-02 Cesaroni Anthony J Method for sealing heat exchanger tubes
EP1757891A2 (en) * 2005-08-27 2007-02-28 Behr GmbH & Co. KG Heat exchanger , more particularly radiator for automotive vehicle
WO2009015630A2 (en) * 2007-07-31 2009-02-05 Kermi Gmbh Tube radiator
WO2009022020A1 (en) * 2007-08-16 2009-02-19 Valeo Systemes Thermiques Evaporator with multiple banks, particularly for a motor vehicle air-conditioning system
US20100221675A1 (en) * 2009-03-02 2010-09-02 Laars Heating Systems Company Condensing boiler and water heater
US20110226222A1 (en) * 2010-03-18 2011-09-22 Raduenz Dan R Heat exchanger and method of manufacturing the same
US20130240191A1 (en) * 2009-10-20 2013-09-19 Delphi Technologies, Inc. Manifold fluid communication plate
JP2015127620A (en) * 2013-12-27 2015-07-09 ダイキン工業株式会社 Heat exchanger and air conditioning device
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
WO2018074347A1 (en) * 2016-10-21 2018-04-26 パナソニックIpマネジメント株式会社 Heat exchanger and refrigeration system using same

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123055A (en) * 1964-03-03 Boiler having refractory headers
US3368617A (en) * 1961-12-26 1968-02-13 Marquardt Corp Heat exchanger
US4202407A (en) * 1978-07-24 1980-05-13 Didier Engineering Gmbh Apparatus for cooling gases from coke plants
US4386652A (en) * 1980-06-27 1983-06-07 North York Mobile Wash Limited Heat exchange assembly
FR2521277A1 (en) * 1982-02-08 1983-08-12 Valeo HEAT EXCHANGER, PARTICULARLY FOR AN INTERNAL COMBUSTION ENGINE COOLING CIRCUIT
US4651820A (en) * 1983-10-17 1987-03-24 Herfried Knapp Heat exchanger having adjustable baffles
US5529116A (en) * 1989-08-23 1996-06-25 Showa Aluminum Corporation Duplex heat exchanger
FR2676273A1 (en) * 1991-05-10 1992-11-13 Valeo Thermique Moteur Sa Fluid (header) box of tubular general shape for heat exchanger
US5148863A (en) * 1992-01-15 1992-09-22 Earl's Supply Co. Modular cooler
WO1993014361A1 (en) * 1992-01-15 1993-07-22 Earl's Supply Company Modular cooler
US5303770A (en) * 1993-06-04 1994-04-19 Dierbeck Robert F Modular heat exchanger
US5383517A (en) * 1993-06-04 1995-01-24 Dierbeck; Robert F. Adhesively assembled and sealed modular heat exchanger
WO1995002798A1 (en) * 1993-07-14 1995-01-26 Earl's Supply Company Modular cooler
US5325915A (en) * 1993-07-14 1994-07-05 Earl's Supply Co. Modular cooler
US6161614A (en) * 1998-03-27 2000-12-19 Karmazin Products Corporation Aluminum header construction
US6523606B1 (en) * 1998-07-28 2003-02-25 Visteon Global Technologies, Inc. Heat exchanger tube block with multichamber flat tubes
US6155339A (en) * 1999-06-18 2000-12-05 Grapengater; Richard B. Obround header for a heat exchanger
US20010008184A1 (en) * 1999-12-28 2001-07-19 Masashi Miyamura Pipe mat for air-conditioning
US6523260B2 (en) 2001-07-05 2003-02-25 Harsco Technologies Corporation Method of making a seamless unitary body quadrilateral header for heat exchanger
US20030066633A1 (en) * 2001-09-29 2003-04-10 Halla Climate Control Corporation Heat exchanger
US6745827B2 (en) * 2001-09-29 2004-06-08 Halla Climate Control Corporation Heat exchanger
US6644393B2 (en) * 2002-04-16 2003-11-11 Laars, Inc. Cylindrical heat exchanger
US8061410B2 (en) * 2003-05-16 2011-11-22 Modine Manufacturing Company Heat exchanger block
US20040250988A1 (en) * 2003-05-16 2004-12-16 Norbert Machanek Heat exchanger block
US8006750B2 (en) 2005-03-08 2011-08-30 Anthony Joseph Cesaroni Method for sealing heat exchanger tubes
US20060242831A1 (en) * 2005-03-08 2006-11-02 Cesaroni Anthony J Method for sealing heat exchanger tubes
EP1757891A3 (en) * 2005-08-27 2012-03-07 Behr GmbH & Co. KG Heat exchanger , more particularly radiator for automotive vehicle
EP1757891A2 (en) * 2005-08-27 2007-02-28 Behr GmbH & Co. KG Heat exchanger , more particularly radiator for automotive vehicle
WO2009015630A2 (en) * 2007-07-31 2009-02-05 Kermi Gmbh Tube radiator
WO2009015630A3 (en) * 2007-07-31 2009-05-07 Christian Folger Tube radiator
WO2009022020A1 (en) * 2007-08-16 2009-02-19 Valeo Systemes Thermiques Evaporator with multiple banks, particularly for a motor vehicle air-conditioning system
FR2920045A1 (en) * 2007-08-16 2009-02-20 Valeo Systemes Thermiques MULTI-FLAP EVAPORATOR, ESPECIALLY FOR A MOTOR VEHICLE AIR CONDITIONING CIRCUIT
US20100221675A1 (en) * 2009-03-02 2010-09-02 Laars Heating Systems Company Condensing boiler and water heater
US20130240192A1 (en) * 2009-10-20 2013-09-19 Delphi Technologies, Inc. Manifold fluid communication plate
US9267740B2 (en) * 2009-10-20 2016-02-23 Delphi Technologies, Inc. Manifold fluid communication plate
US20130240191A1 (en) * 2009-10-20 2013-09-19 Delphi Technologies, Inc. Manifold fluid communication plate
US9157688B2 (en) * 2009-10-20 2015-10-13 Delphi Technologies, Inc. Manifold fluid communication plate
US8844504B2 (en) 2010-03-18 2014-09-30 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
US20110226222A1 (en) * 2010-03-18 2011-09-22 Raduenz Dan R Heat exchanger and method of manufacturing the same
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
JP2015127620A (en) * 2013-12-27 2015-07-09 ダイキン工業株式会社 Heat exchanger and air conditioning device
CN109564075B (en) * 2016-10-21 2020-06-16 松下知识产权经营株式会社 Heat exchanger and refrigeration system using the same
WO2018074347A1 (en) * 2016-10-21 2018-04-26 パナソニックIpマネジメント株式会社 Heat exchanger and refrigeration system using same
CN109564075A (en) * 2016-10-21 2019-04-02 松下知识产权经营株式会社 Heat exchanger and the refrigeration system for using it

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