GB619307A - Improvements relating to tubes for effecting the exchange of heat between fluids - Google Patents

Improvements relating to tubes for effecting the exchange of heat between fluids

Info

Publication number
GB619307A
GB619307A GB3562546A GB3562546A GB619307A GB 619307 A GB619307 A GB 619307A GB 3562546 A GB3562546 A GB 3562546A GB 3562546 A GB3562546 A GB 3562546A GB 619307 A GB619307 A GB 619307A
Authority
GB
United Kingdom
Prior art keywords
fins
tubes
strips
bent
heat
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
GB3562546A
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.)
HEAT EXCHANGERS Ltd
Original Assignee
HEAT EXCHANGERS Ltd
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 HEAT EXCHANGERS Ltd filed Critical HEAT EXCHANGERS Ltd
Priority to GB3562546A priority Critical patent/GB619307A/en
Publication of GB619307A publication Critical patent/GB619307A/en
Expired legal-status Critical Current

Links

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
    • F28F1/12—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
    • F28F1/22—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 having portions engaging further tubular elements

Landscapes

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

Abstract

619,307. Making heat-exchangers and tubes. HEAT EXCHANGERS, Ltd., and RUDORFF, D. W. Dec. 2, 1946, No. 35625. [Classes 83 (ii) and 83 (iv)] [Also in Group XIII] Uniting by fusion.-Relates to tubes for apparatus for effecting the exchange of heat between fluids and consists in a heat-exchange tube formed from a plurality of metal strips each bent to form a segment of a tube wall having two fins integral with the segment so that when the strips are assembled the fins extend longitudinally of the tube, one fin projecting into the bore and the other fin projecting outwardly from the tube. Two strips are bent to have a segmental portion 1 and longitudinal marginal portions bent back on themselves along folds 2, 3 to form two-ply fins 4, 5. The strips are placed together with the roots of the fin 4 of one strip in proximity to the fin 5 of the other strip and the channels between the strips are then filled with weld metal 6. Instead of sharp folds 2, 3, the marginal portions may be bent on a radius giving the fins a bulbous edge. The tubes may be constructed as multiple tube units, the external fins of a tube being integral with or secured to the fins of adjacent tubes. A multiple tube unit is described built of strips bent into an elongated S-shape, the straight part of the S constituting the common external fin of two tubes, while the loops are joined to the loops of two similar strips to form two tubes, the longitudinal margins of each strip being bent to form inwardly projecting fins. The fins may be longitudinally corrugated to increase the rigidity and the heat transfer surface. It is stated that the heat transfer surface may also be increased by transverse corrugations or by dimples.
GB3562546A 1946-12-02 1946-12-02 Improvements relating to tubes for effecting the exchange of heat between fluids Expired GB619307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3562546A GB619307A (en) 1946-12-02 1946-12-02 Improvements relating to tubes for effecting the exchange of heat between fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3562546A GB619307A (en) 1946-12-02 1946-12-02 Improvements relating to tubes for effecting the exchange of heat between fluids

Publications (1)

Publication Number Publication Date
GB619307A true GB619307A (en) 1949-03-08

Family

ID=10379798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3562546A Expired GB619307A (en) 1946-12-02 1946-12-02 Improvements relating to tubes for effecting the exchange of heat between fluids

Country Status (1)

Country Link
GB (1) GB619307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601209A1 (en) * 1992-07-03 1994-06-15 Daikin Industries, Limited Mesh-fin heat exchanger and method for manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601209A1 (en) * 1992-07-03 1994-06-15 Daikin Industries, Limited Mesh-fin heat exchanger and method for manufacturing the same
EP0601209A4 (en) * 1992-07-03 1994-11-30 Daikin Ind Ltd Mesh-fin heat exchanger and method for manufacturing the same.
US5396949A (en) * 1992-07-03 1995-03-14 Daikin Industries, Ltd. Mesh fin type heat exchanger and method of making the same

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