Patent · US Expired

Internal combustion engine lubricating oil filter valve

US5271429A · kind A · utility

21Cited by

8References

5Claims

0Family size

Assignee

Filterwerk Mann & Hummel GmbH · DE

Inventors

Sascha Bauer · Auenwald, DE
Heinz Habiger · Ludwigsburg, DE
Klaus Mack · Asperg, DE
Jaroslay Pavlin · Freiberg, DE

Key dates

Filing date	Oct 6, 1992
Grant date	Dec 21, 1993
Priority date	—
Expiry date	Oct 6, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7939
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A valve, particularly a pressure relief valve for the lubricating oil filter of an internal combustion engine, which includes a valve plate 11, a valve body 10 cooperating with the valve plate, a valve spring 14 and a valve hood 15, the valve spring 14 being supported on the valve hood 15 and exerting a force on the valve plate to seal the opening between the valve plate and the valve body. A cylindrical guide 24 is provided at the upper end of the valve hood, and the valve plate 11 contains a blind bore 25 which receives the cylindrical guide in order to guide the valve plate.

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