Filter element, air cleaner, and methods

US6348084B1 · kind B1 · utility

Assignee

• Donaldson Company, Inc. · US

Inventors

• Steven Scott Gieseke · Richfield, US
• William Juliar · Coon Rapids, US
• Edward A. Steinbrueck · Eden Prairie, US
• Wayne R. W. Bishop · St. Louis Park, US
• Patrick Golden · Roseville, US
• Wayne C. Musselman · Big Lake, US

Key dates

• Filing date: Nov 5, 1999
• Grant date: Feb 19, 2002
• Expiry date: Nov 5, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S55/31
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element includes a central core member, wherein fluted filter media is coiled around the central core member. Preferably, the central core member includes a plurality of corrugations, wherein the corrugations mateably engage at least some flutes. Preferably, the handle member is integral with the central core member, and also includes a fastening member for connection to a frame construction on the filter element. Methods for cleaning air and servicing an air cleaner preferably include constructions as described herein.