Patent · US Active

Crankcase venting system

US8171921B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Eric Gillenberg · Speyer, DE
Wolfgang Heikamp · Waldsee, DE

Key dates

Filing date	May 18, 2007
Grant date	May 8, 2012
Priority date	—
Expiry date	Dec 14, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01M2013/0438
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Crankcase venting system comprising an oil separator arranged in a housing that separates the housing into an unfiltered air side and a filtered air side, wherein in the area of the unfiltered air side a valve is arranged that is comprised of a valve plate, a pressure spring resting against the valve plate, as well as a valve seat that is closed or opened by means of the valve plate, and wherein the valve is closed off by a lid that is locked or snapped in place.

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