Patent · US Expired

Filter for cleaning lubricating oil in internal combustion engines

US4036755A · kind A · utility

31Cited by

8References

23Claims

0Family size

Assignee

Daimler-Benz AG · DE

Inventors

Wolfram Dahm · Jeffery Road, DE
Josef Lederhaas
Roland Merkle · Stuttgart, DE
Horst Lutz · Ditzingen, DE
Peter Moser · Schlagturn, AT
Friedrich Noltemeyer · Waiblingen, DE
Heinz Roger

Key dates

Filing date	Dec 19, 1975
Grant date	Jul 19, 1977
Priority date	—
Expiry date	Dec 19, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S210/13
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter housing for accommodating at least one filter insert to filter lubricating oil, which is provided in the installed position with a geodetically upper assembly opening for inserting and interchanging the filter insert and with a geodetically lower base; the housing interior space is connected by way of two separate housing channels extending in the base, with one housing connection each for the inlet of dirty oil and for the outlet of clean oil; the housing interior space can also be connected with a housing connection separate from the housing connection for the inlet of dirty oil by way of a drainage connection adapted to be closed off by means of a closure device which can be opened at will.

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