Portable drilling water filter with self-cleaning system

US6887372B2 · kind B2 · utility

Assignee

• Hilti Aktiengesellschaft · LI

Inventors

• Harald Streicher · Ludwigshafen, DE
• Franz Wenzl · Augsburg, DE
• Peter Ostermeier · Dießen, DE

Key dates

• Filing date: Oct 27, 2003
• Grant date: May 3, 2005
• Expiry date: Oct 27, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2201/302
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A drilling water filter (1) with a self-cleaning system including a filter container (2), a cover (3) and a filter element (6) that can be inserted in the flow arm between an inlet (4) and an outlet (5) for separation of solid material from the fluid. The cover (3) has a displaceable carrying handle (7) for transporting the drilling water filter. The carrying handle (7) is connected with at least one self-cleaning means, in a controlled manner.