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:
Oct. 06, 2020
Filed:
Jan. 29, 2019
Applicant:
Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Inventor:
Frederic Lauer, Oberriexingen, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F01L 3/10 (2006.01); F01L 1/46 (2006.01); F01L 1/053 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
F01L 3/10 (2013.01); F01L 1/462 (2013.01); B33Y 80/00 (2014.12); F01L 2001/0537 (2013.01); F01L 2101/00 (2013.01); F01L 2101/02 (2013.01); F01L 2103/00 (2013.01);
Abstract
A valve spring collar () for supporting spring forces of closing springs () that act on gas exchange valves () in an internal combustion engine has a plate-shaped main body (). A through opening () leads through the main body () for receiving and attaching a valve stem () of the gas exchange valve (). The valve spring collar () also has at least one cavity (). A method for producing the valve spring collar () includes at least one additive production method step.