Compensating shaft module

US7632326B2 · kind B2 · utility

Assignee

• AUDI AG · DE

Inventor

• Xaver Stemmer · Reichertshofen, DE

Key dates

• Filing date: Mar 8, 2006
• Grant date: Dec 15, 2009
• Expiry date: Jul 18, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S55/19
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A module mountable in the crankcase of a vehicle for removing gases therefrom including a housing having an opening communicable with the crankcase, a set of bearings disposed in such housing, a hollow shaft journaled in such bearing having first and second partitions providing first and second axially disposed chambers, cooperating with said housing to provide first and second annular chamber, such shaft having a passageway intercommunicating the first axial chamber and the first annular chamber, a passageway intercommunicating the first axial chamber and the second annular chamber and a passageway intercommunicating the second axial chamber and the second annular chamber, a spiral, centrifugal separator mounted on such shaft in the first annular chamber, and a pillar mounted on the shaft in the second annular chamber and means connectable to motive means for rotating such shaft.