Patent · US Active

Structured heat exchanger tube and method for the production thereof

US8857505B2 · kind B2 · utility

5Cited by

17References

5Claims

0Family size

Assignee

WIELAND-WERKE AG · DE

Inventors

Andreas Beutler · Weißenhorn, DE
Jean El Hajal · Ulm, DE
Markus Revermann · Wietmarschen, DE
Andreas Schwitalla · Illerkirchberg, DE

Key dates

Filing date	Feb 5, 2007
Grant date	Oct 14, 2014
Priority date	—
Expiry date	Feb 22, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28F1/422
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

The invention relates to a heat exchanger tube with at least one structured region on the inside of the tube, which has the following features: A further aspect of the invention relates to a method for producing heat exchanger tubes of this type, with integral external ribs running around the outside of the tube in a helical-line-shaped manner and running on the inside of the tube in an axially parallel or helical-line-shaped manner, and internal ribs which are crossed and notched by secondary grooves and by tertiary grooves.

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