Patent · US Active

Compressor and turbine wheel for a secondary air feed device

US7438529B2 · kind B2 · utility

1Cited by

9References

11Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Peter Fledersbacher · Stuttgart, DE
Hans-Georg Lehmann · Eßlingen, DE
Martin Schlegl · Weingarten, DE
Holger Stark · Allmersbach im Tal, DE

Key dates

Filing date	Apr 6, 2006
Grant date	Oct 21, 2008
Priority date	—
Expiry date	May 15, 2027

Classification

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

Abstract

In a compressor and turbine wheel for a secondary air feed device formed as a single component, a rotor which includes a center disc structure consisting of at least two discs of different materials is provided at one side with compressor blades and on the opposite side with turbine blades, and the discs consist of an alloy based on Al, Mg, Ti, Fe, or Ni and are preferably arranged in axially spaced relationship with a disc carrier of a plastic material disposed in the space between the two bladed discs.

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