Patent · US Expired

Glow plug with a uniformly heated control device

US6590185B2 · kind B2 · utility

2Cited by

5References

9Claims

0Family size

Assignee

BERU Aktiengesellschaft · DE

Inventors

Hans-Peter Kasimirski · Ludwigsburg, DE
Paul Bauer · Steinheim an der Murr, DE
Michael Haussner · Memmingen, DE

Key dates

Filing date	Aug 22, 2001
Grant date	Jul 8, 2003
Priority date	—
Expiry date	Nov 5, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23Q7/001
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

Glow plug with a glow tube into which an inner pole projects and which is connected via heating and control spirals to the glow tube, the control spirals being located with respect to the heating spirals such that they are uniformly heated over a major portion of their length by the heat from the heating spirals.

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