Patent · US Active

Exhaust-gas turbocharger

US9869238B2 · kind B2 · utility

5Cited by

0References

9Claims

0Family size

Assignee

BorgWarner Inc. · US

Inventors

Michael Stilgenbauer · Bolanden, DE
Matthias Ruh · Kirchheimbolanden, DE
Gerald Schall · Frankenthal (Pfalz), DE

Key dates

Filing date	Jul 3, 2013
Grant date	Jan 16, 2018
Priority date	—
Expiry date	Apr 10, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An exhaust-gas turbocharger (1), with: a turbine housing (2) which has a turbine housing inlet (8) and a turbine housing outlet (9) for exhaust gas, and which has a wastegate duct between the turbine housing inlet (8) and the turbine housing outlet (9), and a flap arrangement (10) comprising a pivotable flap lever (12), a flap plate (11), which is connected to the flap lever (12), for opening and closing the wastegate duct, and having a spring element (17) which is arranged between the flap lever (12) and a disc (18) fastened to the flap plate (11). The spring element (17) has an outer circumferential region (23) which is supported on a sliding contact surface (20), which is of curved form, of the flap lever (12).

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