Patent · US Active

Method of operating glow plugs in diesel engines

US7730864B2 · kind B2 · utility

3Cited by

8References

18Claims

0Family size

Inventors

Olaf Toedter · Usingen, DE
Markus Kernwein · Bretten, DE
Andreas Bleil · Ludwigsburg, DE
Jörg Stöckle · Ludwigsburg, DE
Franz Pachner · Steyr, AT

Key dates

Filing date	Apr 27, 2007
Grant date	Jun 8, 2010
Priority date	—
Expiry date	Feb 13, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02P19/025
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention describes a method for operating glow plugs, that comprise a housing and a heater element projecting beyond that housing, in a diesel engine which interacts with an engine control unit and a glow plug control unit which latter, following a preheating phase, controls the electric power supplied to the glow plugs in response to an input received from the engine control unit. It is provided according to the invention that the engine control unit determines a value representative of a temperature that is to be reached at the heater element and the engine control unit transmits that value as target value to the glow plug control unit which implements that target value using an algorithm stored in the glow plug control unit and with reference to characteristic values stored in the glow plug control unit.

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