Free jet centrifuge rotor

US6530872B2 · kind B2 · utility

Assignee

• Filterwerk Mann & Hummel GmbH · DE

Inventors

• Peter Frehland · Ditzingen, DE
• Helmut Fischer · Calw, DE

Key dates

• Filing date: Feb 6, 2002
• Grant date: Mar 11, 2003
• Expiry date: Feb 6, 2022

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01M2013/0422
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A centrifuge rotor for a free jet centrifuge for cleaning lubricating oil of an internal combustion engine. The rotor has an inlet, at least one drive nozzle outlet, and a sediment deposition surface interiorly in the rotor. A bearing is provided for rotatably mounting the rotor in a surrounding housing where the bearing includes a friction bearing which simultaneously forms the rotor inlet and a roller bearing which is receivable in a bearing receptacle formed in the surrounding housing. The roller bearing is sealed off from the rotor interior.