Fmc Corporation

Justin L Emanuel

Arthur L Dean

Kenneth M Marshall

Randy K Baird

David G Pounds

Robert A Krynock

Stephen M Pellegrino

Steven R Smith

A food handling conveyor apparatus includes a sound detection system for detecting the presence of a foreign object, such as a stone, among food product being conveyed. The apparatus includes a generally elongated vibratory conveyor bed along which food products are conveyed, with at least one discharge gate positioned at one end of the conveyor bed. An actuator is operatively connected to the discharge gate for effecting movement thereof between closed and open positions. A sound detection system of the apparatus, preferably including one or more directional microphones, is positioned in operative association with the conveyor bed and functions to differentiate between the sound of food product being conveyed, and the sound of a foreign object. The sound detection system is operatively connected with the actuator for the discharge gate, and effects opening of the discharge gate in timed relationship to detection of a foreign object so that the object is moved out of the food product stream.

Food handling conveyor apparatus having sound detection means

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Saltsburg, PA, United States of America

Justin L Emanuel