Simplimatic Engineering Company

Michael A Wilson

Brian K Hilbish

Arnold C Burgess

An air conveyor includes guides for stabilizing articles during conveyance and a plenum with apertures for providing pressurized air. In the preferred embodiment, the air conveyor also includes opposed spacers defining passages having a closed end and an open end. The passages are in fluid communication with the apertures of the plenum for directing streams of pressurized air through the open ends at the articles in a downstream direction to propel the articles. In another embodiment, channels defined in support structure for the guides form part of passageways for directing streams of pressurized air at an inclined and downstream angle to propel the articles. The guides are removable to allow the conveyor to be adapted to different sized and shaped articles. The air conveyor may also include an additional plenum and additional opposed spacers associated with the plenum for propelling the articles downstream. The angle of the slots can be larger for creating an article-to-article separation or smaller for creating a contiguous article flow.

Thrust slot air conveyor having a varying slot angle

An air conveyor which includes guides for stabilizing articles during conveyance and a plenum with apertures for providing pressurized air is provided. In the preferred embodiment, the air conveyor also includes opposed spacers defining passages having a closed end and an open end. The passages are in fluid communication with the apertures of the plenum for directing streams of pressurized air through the open ends at the articles in a downstream direction to propel the articles. In another embodiment, channels defined in support structure for the guides form part of passageways for directing streams of pressurized air at an inclined and downstream angle to propel the articles. The guides are removable to allow the conveyor to be adapted to different sized and shaped articles. The air conveyor may also include an additional plenum and additional opposed spacers associated with the plenum for propelling the articles downstream.

Thrust slot air conveyor

An air conveyor is provided with a plenum chamber with a perforated deck plate, side walls, and a holddown with holes of an area density sufficiently low to pressurize an enclosed article transport zone. The side walls include brackets for mounting doors openable to remove damaged articles. The deck plate is mounted to support bars by countersunk rivets.

Pressurized air conveyor

An air conveyor is provided with a plenum chamber with a perforated deck plate, side walls, and a holddown with holes of an area density sufficiently low to pressurize an enclosed article transport zone. On curved portions of the air conveyor the holddown holes have an area density gradient which increases from an outer toward an inner side of the curve. In another aspect, the invention provides methods for accumulating articles without undue damage and for moving articles away from the outer side of the curve.

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Big Island, VA, United States of America

Michael A Wilson