GB249432A - Improvements in ribbed tubes for use in economisers and the like - Google Patents

Improvements in ribbed tubes for use in economisers and the like

Info

Publication number
GB249432A
GB249432A GB2696425A GB2696425A GB249432A GB 249432 A GB249432 A GB 249432A GB 2696425 A GB2696425 A GB 2696425A GB 2696425 A GB2696425 A GB 2696425A GB 249432 A GB249432 A GB 249432A
Authority
GB
United Kingdom
Prior art keywords
ribs
spirals
economisers
tube
ribbed 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
GB2696425A
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.)
OTTO LEISSNER
Original Assignee
OTTO LEISSNER
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 OTTO LEISSNER filed Critical OTTO LEISSNER
Priority to GB2696425A priority Critical patent/GB249432A/en
Publication of GB249432A publication Critical patent/GB249432A/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
    • F28F1/34—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 obliquely
    • F28F1/36—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 obliquely the means being helically wound fins or wire spirals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Revetment (AREA)

Abstract

249,432. Leissner, O. Oct. 28, 1925. Feedwater, heating. - A tube a. for economizers &c. has a smooth internal surface and inclined or spiral disc-like ribs b, surrounding, and cast integrally with, the tube. The ribs may form single spirals as shown or double or multiple spirals. Adjacent tubes may have the spirals of opposite hand or the same hand but with the ribs intermeshing.
GB2696425A 1925-10-28 1925-10-28 Improvements in ribbed tubes for use in economisers and the like Expired GB249432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2696425A GB249432A (en) 1925-10-28 1925-10-28 Improvements in ribbed tubes for use in economisers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2696425A GB249432A (en) 1925-10-28 1925-10-28 Improvements in ribbed tubes for use in economisers and the like

Publications (1)

Publication Number Publication Date
GB249432A true GB249432A (en) 1926-03-25

Family

ID=10251953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2696425A Expired GB249432A (en) 1925-10-28 1925-10-28 Improvements in ribbed tubes for use in economisers and the like

Country Status (1)

Country Link
GB (1) GB249432A (en)

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