Patent · US Active

Wastegate assembly

US11313271B2 · kind B2 · utility

0Cited by

14References

20Claims

0Family size

Assignee

BorgWarner Inc. · US

Inventors

Dominic William DePaoli · Horse Shoe, US
Aaron Date · Asheville, US
Michael Daniel Cola · Fletcher, US
Georg Scholz · Witzenhausen, DE
Marc-Philip Werner · Bockenau, DE
Christian Cossmann · Kaiserslautern, DE
Jakob Penth · Riegelsberg, DE
Christoph Müller · Bern, CH
Ravi Patil · Kirchheimbolanden, DE

Key dates

Filing date	Sep 14, 2020
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Sep 14, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.