Patent · US Active

Liquid filter system

US7387726B2 · kind B2 · utility

21Cited by

9References

13Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Michael Wolf · North Tonawanda, US
Joachim Stinzendoerfer · Speyer, DE
Karlheinz Muenkel · Bretten, DE
Ralf Bauder · Ketsch, DE
Norbert Maurer · Speyer, DE

Key dates

Filing date	Feb 15, 2006
Grant date	Jun 17, 2008
Priority date	—
Expiry date	Dec 18, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/4046
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An oil filter for an internal combustion engine with a cup-shaped housing that is releasably connectable to a receiving head. The housing has a first interlocking element that extends across at least a portion of the outer circumference of the housing and is interrupted by at least one axially extending recess. The filter element has a liquid-tight canister provided on its outer surface with second interlocking elements, which fit into the recesses of corresponding first interlocking elements when the filter element is installed in the housing.

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