Patent · US Active

Heating rod for a glow plug and method for producing a heating rod and glow plug

US11668461B2 · kind B2 · utility

1Cited by

4References

16Claims

0Family size

Assignee

BorgWarner Ludwigsburg GmbH · DE

Inventors

Michael Haussner · Memmingen, DE
Martin Allgaier · Ludwigsburg, DE

Key dates

Filing date	Apr 8, 2019
Grant date	Jun 6, 2023
Priority date	—
Expiry date	Oct 20, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23Q2007/004
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

This document describes a heating rod for a glow plug with a ceramic glow element having a glow tip at its front end and a connector portion at its rear end, a contact element making electrical contact with the connector portion of the glow element, and a sheath, from which the front end of the glow element protrudes. According to this disclosure, the contact element is pressed against the glow element under pre-tension. Furthermore, this document describes a method for producing such a heating rod and a glow plug with such a heating rod.

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