Patent · US Active

Metallic heat exchanger tube

US8550152B2 · kind B2 · utility

6Cited by

8References

7Claims

0Family size

Assignee

WIELAND-WERKE AG · DE

Inventors

Andreas Beutler · Weißenhorn, DE
Jean El Hajal · Ulm, DE
Achim Gotterbarm · Blaustein, DE
Ronald Lutz · Round Rock, US

Key dates

Filing date	Mar 19, 2010
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Aug 8, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28F2215/10
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A metallic heat exchanger tube (1) with a tube wall (2) and with integrally formed ribs (3) which run around on the tube outside (21) and which have a rib foot (31), rib flanks (32) and a rib tip (33), the rib foot (31) projecting essentially radially from the tube wall (2), and the rib flanks (32) being provided with additional structural elements which are formed as material projections (4) arranged laterally on the rib flank (32), the material projections (4) having a plurality of boundary faces (41, 42), at least one of the boundary faces (42) of at least one material projection (4) being curved convexly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.