GB827061A - Improvements relating to heat exchange apparatus - Google Patents

Improvements relating to heat exchange apparatus

Info

Publication number
GB827061A
GB827061A GB1133155A GB1133155A GB827061A GB 827061 A GB827061 A GB 827061A GB 1133155 A GB1133155 A GB 1133155A GB 1133155 A GB1133155 A GB 1133155A GB 827061 A GB827061 A GB 827061A
Authority
GB
United Kingdom
Prior art keywords
holes
lines
sheet
april
punching
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
GB1133155A
Inventor
Norman Battle
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB1133155A priority Critical patent/GB827061A/en
Publication of GB827061A publication Critical patent/GB827061A/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
    • F28F1/126—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 consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins

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

827,061. Making heat exchangers. ROLLS. ROYCE Ltd. April 9, 1956 [April 19, 1955], No. 11331/55. Class 83 (2). [Also in Group XIII] A method of making a secondary surface element for a heat-exchanger comprises the steps of punching lines of holes 11 in sheet-metal material, the lines extending transversely of the length of the sheet and the holes of one line being staggered with respect to the holes in adjacent lines, removing the sharp edges from the punched holes, and bending the sheet to the zig-zag form shown in Figs. 2 and 3 in which the element comprises straight parallel portions interconnected by bend portions, the lines of holes being disposed substantially in the straight portions. The ends of the holes may be curved as shown, or the holes may be of rectangular shape. The sharp edges of the holes after punching may be removed by mechanical abrasion, electro-polishing and/or tumbling in a liquid-suspended abrasive material. The element is finally brazed between adjacent heat-exchanger tubes 13, as shown. Specification 827,060, [Group XIII], is referred to.
GB1133155A 1955-04-19 1955-04-19 Improvements relating to heat exchange apparatus Expired GB827061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1133155A GB827061A (en) 1955-04-19 1955-04-19 Improvements relating to heat exchange apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1133155A GB827061A (en) 1955-04-19 1955-04-19 Improvements relating to heat exchange apparatus

Publications (1)

Publication Number Publication Date
GB827061A true GB827061A (en) 1960-02-03

Family

ID=9984287

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1133155A Expired GB827061A (en) 1955-04-19 1955-04-19 Improvements relating to heat exchange apparatus

Country Status (1)

Country Link
GB (1) GB827061A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188129A1 (en) * 1972-06-13 1974-01-18 Thermo Electron Corp
EP0325261A1 (en) * 1988-01-21 1989-07-26 Sanden Corporation Heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188129A1 (en) * 1972-06-13 1974-01-18 Thermo Electron Corp
EP0325261A1 (en) * 1988-01-21 1989-07-26 Sanden Corporation Heat exchanger

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