Patent · US Expired

Oil filter support tube and housing cover with snap detent connection therebetween

US5695633A · kind A · utility

52Cited by

6References

8Claims

0Family size

Assignee

Filterwerk Mann & Hummel GmbH · DE

Inventors

Volker Ernst · Sachsenheim, DE
Herbert Jainek · Heilbronn, DE
Arthur Klotz · Willow Grove, US

Key dates

Filing date	Jan 24, 1996
Grant date	Dec 9, 1997
Priority date	—
Expiry date	Jan 24, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/4084
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A fluid filter, particularly for cleaning lubricating oil for internal-combustion engines of motor vehicles, which includes a filter housing 10 with a screw cap 11 and an annular filter element 12 inserted into the filter housing 10. The filter element 12 is pushed onto a supporting tube 15, which in turn is locked to the cap 11 or the bottom of the filter housing 10. Arranged on the cap or on the bottom are detent tongues 18 which engage with detent tongues 20 of the supporting tube 1B. Guiding surfaces 21 are provided for the detent tongues of at least one element.

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