Rapper device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8656567
SERIAL NO

12628968

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rapper device for cleaning a heat exchange surface in a pressure vessel by transmitting impact energy. The rapper device includes a striker and an impacting device for impacting the striker which has one end contacting the heat exchange surface in the pressure vessel. The striker includes a piston section having a piston rod projecting out of the pressure vessel via a passage opening in line with the impacting device. A piston head is slideable within a piston chamber in line with the passage opening. The piston chamber is operatively connected to a sealing gas supply. The piston head is a separate part with an aperture. The piston rod runs through the aperture, e.g., in a slideable arrangement.

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Patent Owner(s)

Patent OwnerAddress
AIR PRODUCTS AND CHEMICALS INC1940 AIR PRODUCTS BOULEVARD PATENT DEPT ALLENTOWN PA 18106-5500

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heitmann, Alfons Gummerbach, DE 6 2
Herwig, Uwe Gummersbach, DE 2 4
Von, Kossak-Glowczewski Thomas Paul Gummersbach, DE 25 112

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