Patent · US Expired

Heat transfer device, particularly exhaust gas heat transfer device

US6321835A · kind A · utility

30Cited by

10References

2Claims

0Family size

Assignee

Behr GmbH & Co. · DE

Inventors

Herbert Damsohn · Esslingen am Neckar, DE
Conrad Pfender · Besigheim, DE

Key dates

Filing date	Dec 23, 1997
Grant date	Nov 27, 2001
Priority date	—
Expiry date	Dec 23, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28F2240/00
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A heat transfer device, particularly an exhaust gas heat transfer device, having a tube bundle made of rectangular tubes for guiding the gas. A jacket surrounds the tube bundle; is used for guiding the liquid coolant and is equipped with a coolant inlet 17 and a coolant outlet 18. The rectangular tubes of the tube bundle 10 are provided with outwardly directed projections 22 which determine the distance of adjacent rectangular tubes with respect to one another and to the interior wall of the jacket 11.

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