Patent · US Expired

Filter for fuels or lubricants of an internal combustion engine

US5374355A · kind A · utility

67Cited by

5References

2Claims

0Family size

Assignee

Filterwerk Mann & Hummel GmbH · DE

Inventors

Heinz Habiger · Ludwigsburg, DE
Herbert Jainek · Heilbronn, DE
Reinhard Oelpke · Speyer, DE
Erich Poldner · Steinheim, DE

Key dates

Filing date	Dec 16, 1992
Grant date	Dec 20, 1994
Priority date	—
Expiry date	Dec 16, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S210/17
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter for fuel and/or lubricants of an internal combustion engine is described. This filter consists of a base plate which can be fastened to a threaded nipple, a cover which is releasably fastened to the base plate, and a support tube disposed on the cover or base plate. A filter cartridge is slipped over the support tube and consists of a cylinder-shaped filter insert and nonmetallic end plates. This filter cartridge is in contact with a sealing means on the base plate and an additional sealing means on the cover. Replacement of the entire filter is not necessary, with only the filter cartridge requiring replacement at specified intervals of time.

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