Patent · US Expired

Filter for liquids

US4256579A · kind A · utility

6Cited by

2References

14Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Klaus Rose · Mundelsheim, DE
Ulrich Kemmner · Sachsenheim, DE
Peter Ringwald · Rutesheim, DE

Key dates

Filing date	Nov 9, 1979
Grant date	Mar 17, 1981
Priority date	—
Expiry date	Nov 9, 1999

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D35/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter for liquids has a housing, a filtering element accommodated in the housing and having a central tube, and a vibration damper located in the housing and having a membrane, a spring biasing the membrane and a casing arranged to accommodate the membrane and the spring and including a cup-shaped portion which extends into the central tube and receives the spring therein.

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