Patent · US Active

Ventilation device for a forced induction internal combustion engine

US8439022B2 · kind B2 · utility

8Cited by

4References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Stefan Ruppel · Leimen, DE
Mirko Braun · Calw, DE
Robert Dunsch · Leinfelden, DE
Yakup Özkaya · Kornwestheim, DE

Key dates

Filing date	Apr 19, 2007
Grant date	May 14, 2013
Priority date	—
Expiry date	May 21, 2029

Classification

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

Abstract

The invention relates to a ventilation device (19) for an internal combustion engine (1) for evacuating blow-by gas from a crankcase (3), comprising a first line (20), which is connected at the one end to the crankcase (3) and at the other end, downstream of a forced induction device (10), to a fresh-gas line (7) and contains a ventilation valve (23), and a second line (21), which is connected at the one end, upstream of the forced induction device (10), to the fresh-gas line (7) and at the other end, between the crankcase (3) and the ventilation valve (23), to the first line (20) and contains a throttle device (23).

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