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:
Dec. 07, 2021
Filed:
Nov. 15, 2019
Borgwarner Ludwigsburg Gmbh, Ludwigsburg, DE;
Sven Schumm, Walheim, DE;
Manfred Adolf, Schwaikheim, DE;
Timo Stifel, Freiberg am Neckar, DE;
Dirk Wüstenhagen, Auma, DE;
Manuel Bauer, Ludwigsburg, DE;
Alexander Stark, Althengstett, DE;
BorgWarner Ludwigsburg GmbH, Ludwigsburg, DE;
Abstract
An inventive ignition coil has a transformer that includes a primary coil, a secondary coil and a core formed from stacked metal sheets. A plastic frame holds the sheets. A housing surrounds an interior in which the transformer is arranged and the interior is sealed with an electrically insulating casting compound. The housing comprises an interior wall bounding bounds a compartment in which a part of the core is arranged, the part of the core being outside the primary coil and the secondary coil.