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:
Aug. 17, 1999
Filed:
Jul. 24, 1997
Andreas Baumer, Ludwigsburg, DE;
Martin Eller, Ludwigsburg, DE;
Thomas Spannbauer, Bonnigheim, DE;
Ulrich Stephan, Erligheim, DE;
Beru Ruprecht GmbH & Co. KG, Ludwigsburg, DE;
Abstract
Process for operating a flame starting unit for an internal combustion engine, especially a diesel engine with flame glow plug (1), which is located in an air intake channel of the internal combustion engine and which is supplied with fuel via a fuel line (5). The fuel supply of flame glow plug (1) is metered depending on the respective operating phase of the internal combustion engine by there being valve (2) for controlling the amount of fuel in fuel line (5) for supplying flame glow plug (1), this valve being made especially as a clocked solenoid valve which is controlled via clock signals that have a frequency and/or length which are varied depending on which of a plurality of operating phases of the internal combustion engine is occurring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile