GB1078882A - Heat exchange conduit - Google Patents

Heat exchange conduit

Info

Publication number
GB1078882A
GB1078882A GB3569964A GB3569964A GB1078882A GB 1078882 A GB1078882 A GB 1078882A GB 3569964 A GB3569964 A GB 3569964A GB 3569964 A GB3569964 A GB 3569964A GB 1078882 A GB1078882 A GB 1078882A
Authority
GB
United Kingdom
Prior art keywords
tube
fins
heat exchange
sept
centre
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
GB3569964A
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.)
PATTERSON KELLEY CO
Original Assignee
PATTERSON KELLEY 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 PATTERSON KELLEY CO filed Critical PATTERSON KELLEY CO
Publication of GB1078882A publication Critical patent/GB1078882A/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
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only 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
    • F28F2215/00—Fins
    • F28F2215/10—Secondary fins, e.g. projections or recesses on main fins

Abstract

1,078,882. Making fluid tubes; drawing; extruding. PATTERSON-KELLEY CO. Inc. Sept. 1, 1964 [Sept. 16, 1963], No. 35699/64. Headings B3A and B3P. [Also in Divisions B5 and F4] A method of making an internally finned heat exchange tube comprises extruding an outer shell 10 having radially inwardly extending fins 12 and 14, fins 14 being spaced away from the tube centre, Fig. 1, and then reducing said shell portion through dies so that the fins 14 are brought into closer relationship. Some of the fins may meet each other at the centre of the tube. The tube may be twisted before or after reducing, Figs. 7 and 8 (not shown), to give the fins a helical configuration. A tightfitting sleeve 15, Fig. 3 (not shown), may be fitted over the tube and the tube grooved as at 20, Figs. 9 and 10 (not shown), to improve the grip.
GB3569964A 1963-09-16 1964-09-01 Heat exchange conduit Expired GB1078882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30898463A 1963-09-16 1963-09-16

Publications (1)

Publication Number Publication Date
GB1078882A true GB1078882A (en) 1967-08-09

Family

ID=23196175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3569964A Expired GB1078882A (en) 1963-09-16 1964-09-01 Heat exchange conduit

Country Status (1)

Country Link
GB (1) GB1078882A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280256A (en) * 1993-07-23 1995-01-25 Graeme Donald Marshall Fluid channelling member for use in heat transfer tubes
WO2015114015A1 (en) * 2014-01-29 2015-08-06 Luvata Espoo Oy Sectional uneven inner grooved tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280256A (en) * 1993-07-23 1995-01-25 Graeme Donald Marshall Fluid channelling member for use in heat transfer tubes
WO2015114015A1 (en) * 2014-01-29 2015-08-06 Luvata Espoo Oy Sectional uneven inner grooved tube

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