Wheelabrator-frye, Inc.

Robert N Lindner

Raymond M Leliaert

Richard C Kanouse

Bill J Butler

James K Davidson

An airless centrifugal blast device in the form of a one piece, two-bladed wheel mounted for rotational movement about either a horizontally or vertically disposed axis and means for off center gravitational feed of particulate media to the inner end portions of the blades with the particulate media feed tube means tapering in cross section to the discharge opening and extension of the discharge opening in the direction of rotation of the wheel.

Airless centrifugal blast device

A method is disclosed for recycling industrial air. Air contaminated by particulates is removed from the area of machinery, transported to dust collectors, and filtered. A small portion of the filtered air is discharged to the outside atmosphere while a substantial portion is recycled to the area of the machinery. Significant savings of energy are realized while less particulates are exhausted with the air into the atmosphere as contaminants.

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Granger, IN, United States of America

Robert N Lindner