Donaldson Comapny, Inc.

Bruce A Johnson

Mark Alan Gogins

Dolan D Bartels

Steven D Schmeichel

James Leonard Berkhoel

Michael S Bergeson

Filter arrangements for mist removal include a barrier media, usually pleated, and treated with a deposit of fine fibers. Filter arrangements may take the form of tubular, radially sealing elements; tubular, axial sealing elements; forward flow air cleaners; reverse flow air cleaners; and panel filters and can have multiple layers of fine fiber containing pleated media.

Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method

An improved mist collector arrangement is provided. The arrangement includes an improved pre-filter for mist collection. The pre-filter has a multi-stage construction, and includes a preferred intermediate stage of fibrous media. As a result of the improvement, preferred operation for liquid collection under various circumstances is provided.

Mist collector and method

The invention is directed toward a filter element for mounting on an air filter system. The filter element has a central air flow aperture and a first slide or support construction. The slide or support construction has a central rim, which is positioned within the central air flow aperture and is oriented to support the filter element.

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Lake Elmo, MN, United States of America

Bruce A Johnson