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GB1305667A - - Google Patents

Info

Publication number
GB1305667A
GB1305667A GB2461171*A GB2461171A GB1305667A GB 1305667 A GB1305667 A GB 1305667A GB 2461171 A GB2461171 A GB 2461171A GB 1305667 A GB1305667 A GB 1305667A
Authority
GB
United Kingdom
Prior art keywords
fins
finned
tube
heat exchange
bent
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
GB2461171*A
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 filed Critical
Publication of GB1305667A publication Critical patent/GB1305667A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with annular guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/068—Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material
    • 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements
    • 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

Landscapes

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

Abstract

1305667 Heat exchanger tubes PEERLESS OF AMERICA Inc 19 April 1971 [5 May 1970 2 Sept 1970] 24611/71 Heading F4S [Also in Division B3] A finned tubular heat exchange element 1 comprises a tubular body portion of rectangular cross-section having spaced apart, transverse fins 3 projecting outwardly therefrom. Each of the fins comprises an elongate base portion 4 having a plurality of finger-like projections 5 extending outwardly therefrom. The heat exchange element is produced from an externally ribbed tube whose ribs and underlying portions of the tube wall are suitably cut to form fins which are then bent outwardly to a position perpendicular to the tube surface; the portion B-C to the left of the fins may then be removed to leave a finned tubular element of the desired length. In a modified embodiment (Figs. 4-7, not shown) a series of partition walls (32) subdivide the tube interior into a plurality of side-by-side fluid passages; the finned element is bent to be of sinuous configuration.
GB2461171*A 1970-05-05 1971-04-19 Expired GB1305667A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3471570A 1970-05-05 1970-05-05
US6891070A 1970-09-02 1970-09-02

Publications (1)

Publication Number Publication Date
GB1305667A true GB1305667A (en) 1973-02-07

Family

ID=26711283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2461171*A Expired GB1305667A (en) 1970-05-05 1971-04-19

Country Status (4)

Country Link
JP (1) JPS5069641A (en)
CA (1) CA934750A (en)
DE (1) DE2116358C3 (en)
GB (1) GB1305667A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166498A (en) * 1976-07-13 1979-09-04 Hitachi, Ltd. Vapor-condensing, heat-transfer wall
US4195688A (en) * 1975-01-13 1980-04-01 Hitachi, Ltd. Heat-transfer wall for condensation and method of manufacturing the same
GB2160636A (en) * 1982-06-10 1985-12-24 Peerless Of America Heat exchange element
CN104048542A (en) * 2014-06-25 2014-09-17 上海理工大学 Flat-tooth fin oblate heat exchange tube
CN104048545A (en) * 2014-06-25 2014-09-17 上海理工大学 Rectangular flat-tooth finned tube and heat exchange tube bundle of rectangular flat-tooth finned tube
CN104075606A (en) * 2014-06-25 2014-10-01 上海理工大学 Twisted tooth fin oblate heat exchange tube

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850236A (en) * 1973-03-26 1974-11-26 Peerless Of America Heat exchangers
US3901312A (en) * 1974-02-01 1975-08-26 Peerless Of America Heat exchangers and method of making same
US3947941A (en) * 1975-01-14 1976-04-06 Peerless Of America, Incorporated Method of making a heat exchanger
US4298062A (en) * 1978-12-18 1981-11-03 Peerless Of America, Inc. Heat exchangers and method of making same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195688A (en) * 1975-01-13 1980-04-01 Hitachi, Ltd. Heat-transfer wall for condensation and method of manufacturing the same
US4166498A (en) * 1976-07-13 1979-09-04 Hitachi, Ltd. Vapor-condensing, heat-transfer wall
GB2160636A (en) * 1982-06-10 1985-12-24 Peerless Of America Heat exchange element
CN104048542A (en) * 2014-06-25 2014-09-17 上海理工大学 Flat-tooth fin oblate heat exchange tube
CN104048545A (en) * 2014-06-25 2014-09-17 上海理工大学 Rectangular flat-tooth finned tube and heat exchange tube bundle of rectangular flat-tooth finned tube
CN104075606A (en) * 2014-06-25 2014-10-01 上海理工大学 Twisted tooth fin oblate heat exchange tube

Also Published As

Publication number Publication date
DE2116358A1 (en) 1971-11-25
DE2116358B2 (en) 1979-03-08
JPS5069641A (en) 1975-06-10
DE2116358C3 (en) 1979-10-31
CA934750A (en) 1973-10-02

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years