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:
Sep. 14, 2020
Borgwarner Inc., Auburn Hills, MI (US);
Dominic William Depaoli, Horse Shoe, NC (US);
Aaron Date, Asheville, NC (US);
Michael Daniel Cola, Fletcher, NC (US);
Georg Scholz, Wöllstein, DE;
Marc Werner, Bockenau, DE;
Christian Cossmann, Kaiserslautern, DE;
Jakob Penth, Saarbrücken, DE;
Christoph Müller, Kirchheimbolanden, DE;
Ravi Patil, Kirchheimbolanden, DE;
Borg Warner Inc., Auburn Hills, MI (US);
Abstract
A wastegate assembly for controlling flow of exhaust gas includes a valve element having a valve body and a valve shaft. The wastegate assembly further includes a spindle. The wastegate assembly further includes a washer coupled to the valve shaft and spaced from the spindle for securing the spindle to the valve shaft. A plurality of cup springs is disposed between the spindle and the washer. The plurality of cup springs includes at least a first cup spring and a second cup spring, with the first cup spring supported on the spindle head and the second cup spring orientated substantially identical to the first cup spring and disposed directly on the first cup spring.