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. 26, 2022
Filed:
Aug. 07, 2018
Applicant:
Federal-mogul Valvetrain Gmbh, Barsinghausen, DE;
Inventors:
Guido Bayard, Dortmund, DE;
Stefan Kellerman, Barsinghausen, DE;
Antonius Wolking, Barsinghausen, DE;
Luthfi Arief, Hannover, DE;
Assignee:
Federal-Mogul Valvetrain GmbH, Barsinghausen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01L 3/02 (2006.01); F01L 3/20 (2006.01); B23K 20/12 (2006.01); B21K 1/20 (2006.01); F01L 3/14 (2006.01); F01P 3/14 (2006.01); B22F 3/22 (2006.01);
U.S. Cl.
CPC ...
B23K 20/129 (2013.01); B21K 1/20 (2013.01); F01L 3/14 (2013.01); F01P 3/14 (2013.01); B22F 3/225 (2013.01); F01L 2303/00 (2020.05);
Abstract
A method for manufacturing an internally cooled valve (), includes providing a valve body () having a valve stem () that ends in a valve head (). The valve body () has a cavity () that is open toward the valve head () and with a valve base element () by friction welding the valve base element () to the valve head (). The valve bottom element () is preferably a sintered component.