Filter system

US6572667B1 · kind B1 · utility

Assignee

• Filterwerk Mann & Hummel GmbH · DE

Inventors

• Volker Greif · Harthausen, DE
• Edvard Kopec · Passau, DE
• Manfred Winter · Bad Rappenau, DE

Key dates

• Filing date: Nov 9, 2000
• Grant date: Jun 3, 2003
• Expiry date: Nov 9, 2020

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2275/208
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter system for the air intake of an internal combustion engine, in which an oval filter element is disposed in a housing, and a pre-separator is also provided which includes one or more cyclones.