Air balance tunnel for spiral conveyor

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United States of America Patent

PATENT NO 11485581
SERIAL NO

16666898

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A thermal processing apparatus (20) includes a spiral conveyor system (22) configured into an ascending spiral stack (26). An air balance tunnel (40) includes a tunnel housing (76) positioned inside of a thermal processing chamber adjacent an outlet opening (36). A conveyor belt (24) travels through the housing on its way out of the processing chamber. An air pervious ejector assembly (78) is positioned within the housing at an elevation above the conveyor belt (24). An air pervious evacuation sheet (80) is located within the housing at a location beneath the conveyor belt (24). An air pervious cover assembly (150) is positioned over the conveyor belt (24) at a location just before the conveyor belt enters the air balance tunnel (40). The cover sheet (150) is connectable to the ejector assembly (78) so as to remove the ejector assembly from the tunnel housing (76) by manually moving the cover assembly (150).

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Patent Owner(s)

Patent OwnerAddress
JOHN BEAN TECHNOLOGIES ABBOX 913 HELSINGBORG 251 09

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dalhult, Patrik Torbjörn Påarp, SE 1 1
Norén, Kenny Tobias Råå, SE 2 1
Ribic, Nedjada Helsingborg, SE 1 1
Siljeborn, Lars Johan Dalby, SE 4 4

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