US2905447A - Tubular heat-exchanger - Google Patents

Tubular heat-exchanger Download PDF

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Publication number
US2905447A
US2905447A US654304A US65430457A US2905447A US 2905447 A US2905447 A US 2905447A US 654304 A US654304 A US 654304A US 65430457 A US65430457 A US 65430457A US 2905447 A US2905447 A US 2905447A
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US
United States
Prior art keywords
fins
tube
fin
pipe
pipes
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.)
Expired - Lifetime
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US654304A
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English (en)
Inventor
Huet Andre
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Individual
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Individual
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Publication of US2905447A publication Critical patent/US2905447A/en
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Expired - Lifetime 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
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • 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
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • 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
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/422—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element with outside means integral with the tubular element and inside means integral with the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • 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
    • Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
    • Y10S165/442—Conduits
    • Y10S165/452—Conduits including fins
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the pipe itself and its fins are waved along the axis.
  • only certain fins of the same pipe can be waved in the longitudinal direction, the others remaining in the diametral planes.
  • waved metal-sheets are placed between the fins of a same tube or between the fins of adjacent pipes, in the direction of the flow of the fluid.
  • Fig. 1 shows a pipe with longitudinal fins, waved according to its longitudinal axis.
  • Fig. 2 shows, in perspective, a tube with certain of its fins waved longitudinally.
  • Fig. 2a is a perspective view of a portion of a tube having fins in accordance with another embodiment of the invention.
  • Fig. 3 shows, as section, a part of a heat exchanger with pipes, according to the invention, and waved metal sheets set between the fins.
  • Fig. 4 shows, in perspective, one of the solid cores used on the inside of Fig. 3 of the pipes of the exchanger.
  • the pipe I as used is provided with longitudinal outer fins and the whole of the pipe is waved along its axis, as it has been shown in perspective. In that way, assembling of the pipes with parallel axes, is such that the intervals included between the pipes, subject the fluid circulating on the outside of those pipes, to variations of direction.
  • the pipe r possessing six longitudinal fins diametrically on its outer surface is such that one fin out of two, like the fin s for instance, is waved in the longitudinal direction of the axis of the pipe, in an asymmetric manner for preference, that is to say that a long branch of the waved fin is followed by a shorter branch, more inclined.
  • the other fins 1 remain flat and diametrical. In that way, in the channels formed between the fins, imbricated or not, of the pipes associated for constitution of the exchanger and in which the outer fluid circulates, takes 2 place section and direction variations, the effect of which is to improve the heat exchange.
  • Orr-Fig. 3 is shown assectioman arrangement in which the pipes r, with six fiat fins on their outer surface, are arranged in'quincunx', the ends of the fins coming very close one to the other and metal-sheets v are welded fin to fin as it is to be seen in the drawing, so as to' make compartments of the intervals offered to the flow of the outer fluid and, in those gaps, to obtain the desired direction and section variations.
  • the metal-sheets v could be also welded as indicated in the foregoing, from the wall of a pipe to the wall of another pipe.
  • the choice of the arrangement of the v sheets depends on the arrangement adopted for assembling the pipes, according to whether the fins are imbricated more or less one in the other and the v sheets are fitted in such a way that the canals existing between fins are suitably subdivided.
  • the solid core e that is fitted into the pipes possesses small rib or fins w on its outer surface.
  • Those small ribs w can, for preference, be waved in the way seen at w (Fig. 4) and, in the canals produced between the core 2 and the pipe r for flow of the inner fluid, cause directional variations, and at the same time allow centering of the core 2 on the inside of the pipe r.
  • a heat exchanger comprising a plurality of tubes disposed in substantially parallel relationship, each tube being provided with a plurality of radially-extending fins, at least some of said fins of each tube being of undulate form longitudinally of said tube, and at least some of said fins of each tube being rectilinear longitudinally of said tube, whereby each tube has both rectilinear and undulated fins, and said fins being relatively disposed in such manner that each rectilinear fin is disposed adjacent an undulated fin to define a longitudinal channel of varying cross-section between said rectilinear fin and said adjacent undulated fin.
  • a heat exchanger comprising a plurality of tubes disposed in substantially parallel relationship, each tube being provided with a plurality of adjacent pairs of radially-extending fins, one fin of each pair being of undulate form longitudinally of said tube and the other fin of each pair being rectilinear longitudinally of said tube, and said fins being relatively disposed in such manner that each rectilinear fin is disposed adjacent an undulated fin to define a longitudinal channel of varying cross-section between said rectilinear fin and said adjacent undulated fin.
  • a heat exchanger comprising a plurality of tubes disposed in substantially parallel relationship, each tube being provided with a plurality of radially-extending fins, at least some of said fins of each tube being of undulate form longitudinally of said tube, and at least some of said fins of each tube being rectilinear longitudinally of said tube, whereby each tube has both rectilinear and undulated fins, and said fins being relatively disposed in such manner that each rectilinear fin is disposed adjacent an undulated fin to define a longitudinal channel of varying cross-section between said rectilinear fin and said adjacent undulated fin, some of said fins on each tube being integral with the associated tube and the other fins on each tube being secure thereto.
  • a heat exchanger comprising a plurality of tubes disposed in substantially parallel relationship, each tube being provided with a plurality of radially-extending fins, at least some of said fins of each tube being of undulate form longitudinally of said tube, and at least some of said fins of each tube being rectilinear longitudinally of said tube, whereby each tube has both rectilinear and undulated fins, and said fins being relatively disposed in such manner that each rectilinear fin is disposed adjacent an undulated fin to define a longitudinal channel of varying cross-section between said rectilinear fin and said adjacent undulated fin, and longitudinally-extending strips interconnecting adjacent tubes of said plurality of tubes.
  • a heat exchanger comprising a plurality of tubes disposed in substantially parallel relationship, each tube being provided with a plurality of radially-extending fins, at least some of said fins of each tube being of undulate References Cited in the file of this patent UNITED STATES PATENTS 2,275,829 Tull Mar. 10, 1942 2,804,284 Otten Aug. 27, 1957 FOREIGN PATENTS 644,442 Great Britain Oct. 11, 1950
US654304A 1956-05-04 1957-04-22 Tubular heat-exchanger Expired - Lifetime US2905447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69567T 1956-05-04

Publications (1)

Publication Number Publication Date
US2905447A true US2905447A (en) 1959-09-22

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ID=9689806

Family Applications (1)

Application Number Title Priority Date Filing Date
US654304A Expired - Lifetime US2905447A (en) 1956-05-04 1957-04-22 Tubular heat-exchanger

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Country Link
US (1) US2905447A (nl)
NL (1) NL94593C (nl)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119004A (en) * 1960-12-12 1964-01-21 Serafim M Koukios Flash chamber
US3330336A (en) * 1964-03-24 1967-07-11 Gobel Gerhard Heat exchanger tubes with longitudinal ribs
US3596495A (en) * 1969-04-01 1971-08-03 Modine Mfg Co Heat transfer device and method of making
US4296539A (en) * 1978-01-27 1981-10-27 Kobe Steel, Limited Heat transfer tubing for natural gas evaporator
US4335168A (en) * 1980-08-26 1982-06-15 Capella Inc. Hair styler extrusion
DE3208828A1 (de) * 1982-03-11 1983-09-22 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Mit fluessigem brennstoff betriebenes heizgeraet
US4443389A (en) * 1981-04-27 1984-04-17 Leonard Oboler Heat exchange apparatus
US4949546A (en) * 1988-11-14 1990-08-21 Helix Technology Corporation Compact heat exchanger for a cryogenic refrigerator
US5799724A (en) * 1997-07-22 1998-09-01 The Babcock & Wilcox Company Trapezoidal deflectors for heat exchanger tubes
US6001306A (en) * 1996-11-07 1999-12-14 C. R. Bard, Inc. Integrated oxygenator and heat exchanger
US6179051B1 (en) * 1997-12-24 2001-01-30 Delaware Capital Formation, Inc. Distributor for plate heat exchangers
US6442341B1 (en) * 2000-11-27 2002-08-27 Chia-Hsiung Wu Simple-type fluid heating tube structural arrangement
US6530421B1 (en) * 1997-12-16 2003-03-11 York International Corporation Counterflow evaporator for refrigerants
US6681764B1 (en) * 1997-06-16 2004-01-27 Sequal Technologies, Inc. Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
US20090148754A1 (en) * 2007-12-11 2009-06-11 Cobasys Llc Device for housing electrochemical cells
US20100322600A1 (en) * 2009-06-19 2010-12-23 Thomas Edward Kilburn Cartridge heat exchanger
US11391523B2 (en) * 2018-03-23 2022-07-19 Raytheon Technologies Corporation Asymmetric application of cooling features for a cast plate heat exchanger
US20240044588A1 (en) * 2022-08-05 2024-02-08 Hamilton Sundstrand Corporation Heat exchanger with heat transfer augmentation features
US20240044587A1 (en) * 2022-08-05 2024-02-08 Hamilton Sundstrand Corporation Heat exchanger with heat transfer augmentation features

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275829A (en) * 1939-05-04 1942-03-10 Westinghouse Electric & Mfg Co Refrigerating apparatus
GB644442A (en) * 1946-11-15 1950-10-11 Andre Huet Improvements in or relating to tubular apparatus for the exchange of heat between fluids
US2804284A (en) * 1953-04-03 1957-08-27 Griscom Russell Co Heat exchanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275829A (en) * 1939-05-04 1942-03-10 Westinghouse Electric & Mfg Co Refrigerating apparatus
GB644442A (en) * 1946-11-15 1950-10-11 Andre Huet Improvements in or relating to tubular apparatus for the exchange of heat between fluids
US2804284A (en) * 1953-04-03 1957-08-27 Griscom Russell Co Heat exchanger

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119004A (en) * 1960-12-12 1964-01-21 Serafim M Koukios Flash chamber
US3330336A (en) * 1964-03-24 1967-07-11 Gobel Gerhard Heat exchanger tubes with longitudinal ribs
US3596495A (en) * 1969-04-01 1971-08-03 Modine Mfg Co Heat transfer device and method of making
US4296539A (en) * 1978-01-27 1981-10-27 Kobe Steel, Limited Heat transfer tubing for natural gas evaporator
US4335168A (en) * 1980-08-26 1982-06-15 Capella Inc. Hair styler extrusion
US4443389A (en) * 1981-04-27 1984-04-17 Leonard Oboler Heat exchange apparatus
DE3208828A1 (de) * 1982-03-11 1983-09-22 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Mit fluessigem brennstoff betriebenes heizgeraet
US4949546A (en) * 1988-11-14 1990-08-21 Helix Technology Corporation Compact heat exchanger for a cryogenic refrigerator
US6001306A (en) * 1996-11-07 1999-12-14 C. R. Bard, Inc. Integrated oxygenator and heat exchanger
EP1011745A1 (en) * 1996-11-07 2000-06-28 C.R. Bard Inc. Integrated oxygenator and heat exchanger
EP1011745A4 (en) * 1996-11-07 2000-08-09 Bard Inc C R INTEGRATED BLOOD OXYGENATOR AND HEAT EXCHANGER
US6698423B1 (en) * 1997-06-16 2004-03-02 Sequal Technologies, Inc. Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
USRE43398E1 (en) * 1997-06-16 2012-05-22 Respironics, Inc. Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
US6681764B1 (en) * 1997-06-16 2004-01-27 Sequal Technologies, Inc. Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
US5799724A (en) * 1997-07-22 1998-09-01 The Babcock & Wilcox Company Trapezoidal deflectors for heat exchanger tubes
US6530421B1 (en) * 1997-12-16 2003-03-11 York International Corporation Counterflow evaporator for refrigerants
US6179051B1 (en) * 1997-12-24 2001-01-30 Delaware Capital Formation, Inc. Distributor for plate heat exchangers
US6442341B1 (en) * 2000-11-27 2002-08-27 Chia-Hsiung Wu Simple-type fluid heating tube structural arrangement
US20090148754A1 (en) * 2007-12-11 2009-06-11 Cobasys Llc Device for housing electrochemical cells
US9077056B2 (en) * 2007-12-11 2015-07-07 Battery Patent Trust Device for housing electrochemical cells
US20100322600A1 (en) * 2009-06-19 2010-12-23 Thomas Edward Kilburn Cartridge heat exchanger
US11391523B2 (en) * 2018-03-23 2022-07-19 Raytheon Technologies Corporation Asymmetric application of cooling features for a cast plate heat exchanger
US20240044588A1 (en) * 2022-08-05 2024-02-08 Hamilton Sundstrand Corporation Heat exchanger with heat transfer augmentation features
US20240044587A1 (en) * 2022-08-05 2024-02-08 Hamilton Sundstrand Corporation Heat exchanger with heat transfer augmentation features

Also Published As

Publication number Publication date
NL94593C (nl) 1960-06-15

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