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.)
Ingenieurbuero Timmer 5657 Haan De GmbH
Original Assignee
Ingenieurbuero Timmer 5657 Haan De GmbH
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Filing date
Publication date
Application filed by Ingenieurbuero Timmer 5657 Haan De GmbHfiledCriticalIngenieurbuero Timmer 5657 Haan De GmbH
Priority to DE9304461UpriorityCriticalpatent/DE9304461U1/de
Publication of DE9304461U1publicationCriticalpatent/DE9304461U1/de
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
F28F1/14—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 longitudinally