The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Jun. 30, 2008
Markus Kernwein, Bretten-Büchig, DE;
Andreas Beil, Ludwigsburg, DE;
Jörg Stöckle, Ludwigsburg, DE;
Olaf Toedter, Wössingen, DE;
Hans Houben, Würselen, DE;
Markus Kernwein, Bretten-Büchig, DE;
Andreas Beil, Ludwigsburg, DE;
Jörg Stöckle, Ludwigsburg, DE;
Olaf Toedter, Wössingen, DE;
Hans Houben, Würselen, DE;
BERU Aktiengesellschaft, Ludwigsburg, DE;
Abstract
The invention describes a method for operating glow plugs in a diesel engine that comprises a housing and a heater element projecting beyond that housing which interacts with an engine control unit and a glow plug control unit which, following a preheating phase, controls the electric power supplied to the glow plugs in dependence on an input received from the engine control unit. According to the invention it is provided 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 converts that target value using an algorithm stored in the glow plug control unit and taking into account the characteristic values stored in the glow plug control unit.