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.)
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.)
R&G Schmoele Metallwerke GmbH and Co KG
Original Assignee
R&G Schmoele Metallwerke GmbH and Co KG
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Filing date
Publication date
Application filed by R&G Schmoele Metallwerke GmbH and Co KGfiledCriticalR&G Schmoele Metallwerke GmbH and Co KG
Publication of FR2110167A1publicationCriticalpatent/FR2110167A1/fr
Application grantedgrantedCritical
Publication of FR2110167B1publicationCriticalpatent/FR2110167B1/fr
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
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Geometry
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Thermal Sciences
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Mechanical Engineering
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General Engineering & Computer Science
(AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies
(AREA)
FR7135518A1970-10-011971-10-01Heat exchanger tube - has outer helical fin formation
GrantedFR2110167A1
(en)