Patent · US Expired

Ventilation device for crankcase

US6973925B2 · kind B2 · utility

32Cited by

9References

16Claims

0Family size

Assignees

Mahle Filtersysteme GmbH · DE
Filterwerk Mann & Hummel GmbH · DE

Inventors

Hartmut Sauter · Renningen, DE
Pius Trautmann · Dingolfing, DE

Key dates

Filing date	Aug 22, 2001
Grant date	Dec 13, 2005
Priority date	—
Expiry date	Aug 22, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01M2013/0422
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates in particular to a ventilation device for a crankcase of an internal combustion engine. Said device comprises a centrifugal oil separator, which has an inlet for an oil-air mixture, an air vent for the purified air and an oil outlet for the oil. To improve the operating efficiency of a ventilation device of this type, the centrifugal oil separator is configured as a disk separator.

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