US2434988A - Heat exchange core and air duct - Google Patents

Heat exchange core and air duct Download PDF

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Publication number
US2434988A
US2434988A US503848A US50384843A US2434988A US 2434988 A US2434988 A US 2434988A US 503848 A US503848 A US 503848A US 50384843 A US50384843 A US 50384843A US 2434988 A US2434988 A US 2434988A
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United States
Prior art keywords
headers
air duct
plates
heat exchange
core
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Expired - Lifetime
Application number
US503848A
Inventor
Donald W Christensen
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.)
Young Radiator Co
Original Assignee
Young Radiator Co
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Filing date
Publication date
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Priority to US503848A priority Critical patent/US2434988A/en
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Publication of US2434988A publication Critical patent/US2434988A/en
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • B21D53/085—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal with fins places on zig-zag tubes or parallel tubes
    • 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
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F28D7/0058—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 different orientations to each other or crossing the conduit for the other heat exchange medium
    • 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
    • Y10S165/454—Heat exchange having side-by-side conduits structure or conduit section
    • Y10S165/471—Plural parallel conduits joined by manifold
    • Y10S165/48—Elongated support members extending between spaced manifolds

Definitions

  • the present invention relates to heat exchange cores or radiators and has for an object forming the headers preferably from prefabricated fiat sheet steel and securing the parts together by welding or brazing.
  • An important object of my invention generally stated is to provide a core which is light, strong, efficient and easily manufactured at low cost.
  • An object of the present invention is to provide a core having headers which can be conveniently connected to or in an air duct of simple and efficient design either for testing or for permanent equipment and wherein the duct is simple strong and efficient and can be manufactured at low cost, and wherein the duct and assembly has a pleasing appearance.
  • Fig. l is a front side elevational view of my improved core, one header being partially sectioned.
  • Fig. 2 is an edge view of the core as shown in Figur 1, one of the headers being sectioned on lines 2-2 of Figure 1.
  • Fig. 3 is a view of my device taken from one end of the complete device.
  • Fig. 4 is an end view of the core showing a, fraction of the air duct attached.
  • Fig. 5 is a top view partly in section of a short section of the air duct showing the core by dotted lines.
  • Fig. 6 is a flat view of the main header member before being formed into a trough.
  • Core A comprises a bundle of tubes In having closely spaced fins I I through which the tubes extend. It will be understood that the core proper may be honeycomb type-or formed by means of tubes and fins wherein the tubes may be round fiat or tear drop in cross section.
  • the core is made complete by means of novel headers between which the tubes form operating-connections.
  • the headers comprise a trough having tube plates l2 through which the tubes extend and are made taut and leak proof in any suitable manner.
  • the header is formed by two flat sheets, preferably steel, the part from which the trough is formed is shown in Figure 6.
  • Tube plate I2 has side and end projections 3 Claims. (01. 257-137 l3-l3 and l t-i4 (see Figure 6) which are. after the part has been fabricated as shown in Figure 6, bentat right angles to member l2 as at 40 to form 'a' deep trough after which the adjacent edges ar welded or brazed together as at l5 (see Figure 4) Openingsl5 and II are preferably drilled or punched in members l2, l3 and It while the part is flat as shown in Figure 6.
  • I provide a plate l8 which is drilled or punched as at N preferably near the end and having welded thereto as at 20 a short inlet. or outlet pipe 2
  • tubes l0 may be bonded to members I2 from either side beforeplates [8 are secured into place.
  • I provide a special air duct B comprising top and bottom plates 30-30 having spaced apertures for the reception of rivets or bolts and side plates 3l--3l having flanges 32 and spaced apertures .whereby plates 3
  • headers and flanges 32 may be secured together as at 36.
  • an air tight duct is provided, the headers forming a part thereof, whereby the ducts may be detachably secured to the headers and the duct plates knocked down for shipment or storage.
  • headers project inwardly past the sidewalls of the duct.
  • plates 34 are provided and secured to theside plates. The inner ends rest- 7 ing on the corners of the headers as shown in Figure 5.
  • member A has a convenient shape for stacking or shipping in crates and that.
  • the entire device may be conveniently assembled or installed.
  • a heat exchanger of the class described comprising spaced headers, a number of tubes forming operating tube connections between said headers and having a multiplicity of closely spaced fins through which the tubes extend, said headers being substantially rectangular in crossshape and comprising troughs through the bottoms of which said tubes extend and are bonded thereto, plates positioned in said troughs intermediate the bottoms and tops thereof and being bonded to the four inner walls of the trough and being positioned to thereby form a header closure and a supplemental trough, and inlet and outlet connections secured to said plates.
  • a heat exchanger of the class described comprising spaced headers, a number of tubes forming operating connections between said headers and having a multiplicity of closely,
  • inlet and outlet air ducts secured to said headers comprising top. bottom and side plates, the side plates having flanges with spaced holes adapted to lie over said spaced openings, forming means for removably attaching the air ducts to the headers.
  • a device as recited in claim 2 including, said headers projecting inwardly into the sides of the duct formed by said plates, guide plates secured to said plates a distance from the headers and extending to the inner corners of the headers to thereby cooperate with the headers to form a venturi passageway.

Description

Jan. 27, 1948. D. w. CHRISTENSEN HEAT EXCHANGE CORE AND AIR DUCT Filed Sept. 25, 1943 2 Sheets-Sheet l jllllllll I2 /I mm INVENTDR. DONALD W C/m/smvsn/ BY v Arrow/Ev Jan. 27, 1948. D. w. CHRISTENSEN 2,434,988
HEAT EXCHANGE CORE AND AIR DUCT Filed Sept. 25, 1945 2 Sheets-Sheet 2 o 0 O Q O O o O o O O O O O O O O O -/7 flag /3 ALTO/211E) Patented Jan. 27, 1948 HEAT EXCHANGE CORE AND AIR'DUCT I Donald W. Christensen, Racine, Wis., assignor to Young Radiator Company, Racine, Wis., a corporation of Wisconsin Application September 25, 1943. Serial No. 503,848
The present invention relates to heat exchange cores or radiators and has for an object forming the headers preferably from prefabricated fiat sheet steel and securing the parts together by welding or brazing.
An important object of my invention generally stated is to provide a core which is light, strong, efficient and easily manufactured at low cost.
An object of the present invention is to provide a core having headers which can be conveniently connected to or in an air duct of simple and efficient design either for testing or for permanent equipment and wherein the duct is simple strong and efficient and can be manufactured at low cost, and wherein the duct and assembly has a pleasing appearance.
To these and other useful ends my invention consistsof parts and combination of parts or their equivalents, and mode of manufacturing and assembling as hereinafter described and claimed and shown in the accompanyingdrawings in which:
Fig. l is a front side elevational view of my improved core, one header being partially sectioned.
Fig. 2 is an edge view of the core as shown in Figur 1, one of the headers being sectioned on lines 2-2 of Figure 1.
Fig. 3 is a view of my device taken from one end of the complete device.
Fig. 4 is an end view of the core showing a, fraction of the air duct attached.
Fig. 5 is a top view partly in section of a short section of the air duct showing the core by dotted lines.
.Fig. 6 is a flat view of the main header member before being formed into a trough.
As'thus illustrated the core in its entirety is designated by reference character A, and B'designates the air duct in its entirety.
Core A comprises a bundle of tubes In having closely spaced fins I I through which the tubes extend. It will be understood that the core proper may be honeycomb type-or formed by means of tubes and fins wherein the tubes may be round fiat or tear drop in cross section.
The core is made complete by means of novel headers between which the tubes form operating-connections. The headers comprise a trough having tube plates l2 through which the tubes extend and are made taut and leak proof in any suitable manner. The header is formed by two flat sheets, preferably steel, the part from which the trough is formed is shown in Figure 6.
Tube plate I2 has side and end projections 3 Claims. (01. 257-137 l3-l3 and l t-i4 (see Figure 6) which are. after the part has been fabricated as shown in Figure 6, bentat right angles to member l2 as at 40 to form 'a' deep trough after which the adjacent edges ar welded or brazed together as at l5 (see Figure 4) Openingsl5 and II are preferably drilled or punched in members l2, l3 and It while the part is flat as shown in Figure 6. I
I provide a plate l8 which is drilled or punched as at N preferably near the end and having welded thereto as at 20 a short inlet. or outlet pipe 2| being preferably threaded as at 22, after which member i8 is inserted into the trough and welded thereto as at 23, thus a complete header is formed having a header chamber 24.
It will be seen that a complete core is provided having all steel headers, and that tubes l0 may be bonded to members I2 from either side beforeplates [8 are secured into place.
I provide a special air duct B comprising top and bottom plates 30-30 having spaced apertures for the reception of rivets or bolts and side plates 3l--3l having flanges 32 and spaced apertures .whereby plates 3| and flanges 32 may be secured together by means of rivets or bolts as at 34 and whereby the headers and members 301.
may be riveted or bolted together'as at '35 and the headers and flanges 32 ma be secured together as at 36.
It will be seen that an air tight duct is provided, the headers forming a part thereof, whereby the ducts may be detachably secured to the headers and the duct plates knocked down for shipment or storage.
Clearly I have provided very light and strong headers which may be made at low cost and that the assembly has a pleasing appearance.
I prefer to manufacture my improved header in the following manner: a flat sheet of steel is prefabricated as shown in Figure 6 after which the side and end members I3 and M are bent so as to form a trough. The adjacent edges of members l3 and I4 being then welded together. Tubes [0 may then be secured to tube plates l2 .in any suitable manner and after this operation plates l8 are placed into position in the trough and welded to the trough as already described.
It will be noted that they headers project inwardly past the sidewalls of the duct. In order to reduce air resistance plates 34 are provided and secured to theside plates. The inner ends rest- 7 ing on the corners of the headers as shown in Figure 5.
It will be seen that member A has a convenient shape for stacking or shipping in crates and that.
the entire device may be conveniently assembled or installed.
Having thus shown and described my invention I claim:
1. A heat exchanger of the class described, comprising spaced headers, a number of tubes forming operating tube connections between said headers and having a multiplicity of closely spaced fins through which the tubes extend, said headers being substantially rectangular in crossshape and comprising troughs through the bottoms of which said tubes extend and are bonded thereto, plates positioned in said troughs intermediate the bottoms and tops thereof and being bonded to the four inner walls of the trough and being positioned to thereby form a header closure and a supplemental trough, and inlet and outlet connections secured to said plates.
2. A heat exchanger of the class described, comprising spaced headers, a number of tubes forming operating connections between said headers and having a multiplicity of closely,
tween said plates and outer edges or the troughs, inlet and outlet air ducts secured to said headers comprising top. bottom and side plates, the side plates having flanges with spaced holes adapted to lie over said spaced openings, forming means for removably attaching the air ducts to the headers.
3. A device as recited in claim 2 including, said headers projecting inwardly into the sides of the duct formed by said plates, guide plates secured to said plates a distance from the headers and extending to the inner corners of the headers to thereby cooperate with the headers to form a venturi passageway.
- DONALD. W. CHRISTENSEN.
REFERENCES CITED UNITED STATES PATENTS
US503848A 1943-09-25 1943-09-25 Heat exchange core and air duct Expired - Lifetime US2434988A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810275A1 (en) * 1977-05-12 1978-11-23 Modine Mfg Co HEAT EXCHANGER
US5107926A (en) * 1990-04-03 1992-04-28 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US5113934A (en) * 1990-10-17 1992-05-19 Valeo Thermique Moteur Heat exchanger of reduced width
US5152339A (en) * 1990-04-03 1992-10-06 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US6298906B1 (en) * 1997-12-02 2001-10-09 Caterpillar Inc. Apparatus for securing and sealing a radiator to an engine cowling of a work machine
FR2991039A1 (en) * 2012-05-22 2013-11-29 Valeo Systemes Thermiques Heat exchanger i.e. supercharged air cooler, for cooling heat engine of car, has collecting plate including bottom wall allowing fluid to pass from chamber of collecting box to heat exchange bundle and side wall defining face of chamber

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US934584A (en) * 1907-08-30 1909-09-21 Joseph B Long Radiator for automobiles.
US1490779A (en) * 1920-12-03 1924-04-15 Charles E Mccoy Washing machine
US1699719A (en) * 1926-11-29 1929-01-22 American Blower Corp Heating apparatus
US1721621A (en) * 1926-03-24 1929-07-23 Carrier Construction Company I Radiator and the like
US1889895A (en) * 1931-06-01 1932-12-06 Buckeye Blower Company Cross flow radiator
US1941587A (en) * 1930-07-26 1934-01-02 Titeflex Metal Hose Co Indirect heat exchanger
US1976102A (en) * 1933-02-20 1934-10-09 Young Radiator Co Heat transfer device
US2156644A (en) * 1937-05-22 1939-05-02 Trumbull Electric Mfg Co Switch box and method of making same
US2268360A (en) * 1940-06-28 1941-12-30 Fedders Mfg Co Inc Heat exchange apparatus
US2308119A (en) * 1940-02-23 1943-01-12 Modine Mfg Co Radiator construction

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US934584A (en) * 1907-08-30 1909-09-21 Joseph B Long Radiator for automobiles.
US1490779A (en) * 1920-12-03 1924-04-15 Charles E Mccoy Washing machine
US1721621A (en) * 1926-03-24 1929-07-23 Carrier Construction Company I Radiator and the like
US1699719A (en) * 1926-11-29 1929-01-22 American Blower Corp Heating apparatus
US1941587A (en) * 1930-07-26 1934-01-02 Titeflex Metal Hose Co Indirect heat exchanger
US1889895A (en) * 1931-06-01 1932-12-06 Buckeye Blower Company Cross flow radiator
US1976102A (en) * 1933-02-20 1934-10-09 Young Radiator Co Heat transfer device
US2156644A (en) * 1937-05-22 1939-05-02 Trumbull Electric Mfg Co Switch box and method of making same
US2308119A (en) * 1940-02-23 1943-01-12 Modine Mfg Co Radiator construction
US2268360A (en) * 1940-06-28 1941-12-30 Fedders Mfg Co Inc Heat exchange apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810275A1 (en) * 1977-05-12 1978-11-23 Modine Mfg Co HEAT EXCHANGER
US4159034A (en) * 1977-05-12 1979-06-26 Modine Manufacturing Company Weldment heat exchanger
US5107926A (en) * 1990-04-03 1992-04-28 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US5152339A (en) * 1990-04-03 1992-10-06 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US5113934A (en) * 1990-10-17 1992-05-19 Valeo Thermique Moteur Heat exchanger of reduced width
US6298906B1 (en) * 1997-12-02 2001-10-09 Caterpillar Inc. Apparatus for securing and sealing a radiator to an engine cowling of a work machine
FR2991039A1 (en) * 2012-05-22 2013-11-29 Valeo Systemes Thermiques Heat exchanger i.e. supercharged air cooler, for cooling heat engine of car, has collecting plate including bottom wall allowing fluid to pass from chamber of collecting box to heat exchange bundle and side wall defining face of chamber

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