GB784389A - Improvements in and relating to heat exchange tubes - Google Patents

Improvements in and relating to heat exchange tubes

Info

Publication number
GB784389A
GB784389A GB15926/56A GB1592656A GB784389A GB 784389 A GB784389 A GB 784389A GB 15926/56 A GB15926/56 A GB 15926/56A GB 1592656 A GB1592656 A GB 1592656A GB 784389 A GB784389 A GB 784389A
Authority
GB
United Kingdom
Prior art keywords
fin members
tube
brazing
adjacent
tubes
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
Application number
GB15926/56A
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.)
Brown Fintube Co
Original Assignee
Brown Fintube Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brown Fintube Co filed Critical Brown Fintube Co
Publication of GB784389A publication Critical patent/GB784389A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/22Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/225Making finned or ribbed tubes by fixing strip or like material to tubes longitudinally-ribbed tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/14Tubular 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
    • F28F1/20Tubular 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 attachable to the element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42Tubular 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42Tubular 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
    • F28F1/422Tubular 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

784,389. Making finned tubes. BROWN FINTUBE CO. May 23, 1956 [June 20, 1955], No. 15926/56. Class 83 (2). [Also in Group XIII] A method of making finned heat exchanger tubes comprises the steps of providing a tube 10 and a plurality of open channel-section fin members 11, assembling the fin members around the whole of the external circumference of the tube in the manner shown, holding the fin members in position on the tube, e.g. by a binding wire or by clamps, and then brazing the base portions 13 of the fin members to the tube. In the preferred form, each fin member is initially formed, e.g. by rolling, with its leg portions 12 at an angle slightly greater than the angle c so that when the fin members are clamped in position prior to brazing the leg portions 12 of adjacent fin members are brought firmly into contact with each other. The fin members may, however, be so formed that adjacent fin members are in contact only adjacent their base portions. When ferrous tubes and fin members are employed, copper brazing is preferred, the copper being applied to the contacting surfaces by plating, by applying a metallic copper paste or powder, or by inserting copper wires in the spaces 20 between the base portions of adjacent fin members. For non-ferrous tubes silver soldering or brazing is used, the assembly after tinning being heated either in a furnace or by heating the tube progressively by means of a torch or an electric heating element on the inside of the tube, by means of a ring burner on the exterior of the tube or by induction heating. Specification 782,631 is referred to.
GB15926/56A 1955-06-20 1956-05-23 Improvements in and relating to heat exchange tubes Expired GB784389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US784389XA 1955-06-20 1955-06-20

Publications (1)

Publication Number Publication Date
GB784389A true GB784389A (en) 1957-10-09

Family

ID=22144027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15926/56A Expired GB784389A (en) 1955-06-20 1956-05-23 Improvements in and relating to heat exchange tubes

Country Status (1)

Country Link
GB (1) GB784389A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1208343A1 (en) * 1999-09-03 2002-05-29 Sunpower, Inc. Heat exchanger and method of constructing same
CN114018009A (en) * 2020-07-28 2022-02-08 苏迪(福建)生物科技有限公司 Heat exchange pipe for heat energy recovery of sea sedge baking box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1208343A1 (en) * 1999-09-03 2002-05-29 Sunpower, Inc. Heat exchanger and method of constructing same
EP1208343A4 (en) * 1999-09-03 2006-01-18 Sunpower Inc Heat exchanger and method of constructing same
CN114018009A (en) * 2020-07-28 2022-02-08 苏迪(福建)生物科技有限公司 Heat exchange pipe for heat energy recovery of sea sedge baking box
CN114018009B (en) * 2020-07-28 2023-05-12 苏迪(福建)生物科技有限公司 Heat exchange tube for heat energy recovery of sea sedge baking box

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