Patent · US Active

Electric heating system, in particular for use as an auxiliary heating system for automobiles

US8642926B2 · kind B2 · utility

1Cited by

8References

22Claims

0Family size

Assignee

BORGWARNER BERU SYSTEMS GMBH · DE

Inventors

Jürgen Kochems · Ditzingen, DE
Michael Luppold · Germersheim, DE
Rolf Merte · Wiesloch, DE

Key dates

Filing date	Nov 19, 2007
Grant date	Feb 4, 2014
Priority date	—
Expiry date	Sep 7, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28F1/32
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

An electric heating system, in particular an auxiliary heating system in automobiles, in which the heating system has several heating rods (1), arranged side-by-side; the heating rods (1) are connected to each other by means of alike metal plates (4) that are slid onto the heating rods (1); the heating rods (1) have for this purpose a series of slotted holes (3) that extend in the longitudinal direction (10) of the metal plates (4); the slotted holes (3) have longitudinal edges, facing each other, that clamp the heating rods (1) between them; and at least one part of the slotted holes (3) in each metal plate (4) is longer by more than the manufacturing tolerance, than the width of the heating rods (1) measured in the longitudinal direction (10) of the metal plates (4).

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