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:
Apr. 09, 2024
Filed:
May. 21, 2019
Applicant:
Federal-mogul Valvetrain Gmbh, Barsinghausen, DE;
Inventors:
Thorsten Matthias, Garbsen, DE;
Antonius Wolking, Barsinghausen, DE;
Assignee:
Federal-Mogul Valvetrain GmbH, Barsinghausen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01); B23K 13/01 (2006.01); B23K 103/04 (2006.01); F01L 3/20 (2006.01);
U.S. Cl.
CPC ...
B23K 20/129 (2013.01); B23K 13/01 (2013.01); B23K 2103/04 (2018.08); F01L 3/20 (2013.01);
Abstract
A method for producing a cavity valve is provided. The method includes providing a valve body which has a cavity in the interior. The valve body has a circular opening having an opening edge surface on a bottom side. A circular valve cover with a cover edge surface is provided. Inductive heating of at least one of the opening edge surface or the cover edge surface takes place and then welding the valve body to the valve cover by friction welding of the opening edge surface to the cover edge surface.