Device for producing CO2 pellets from CO2 snow and cleaning device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11806837
APP PUB NO 20190076989A1
SERIAL NO

16188955

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a device for producing high-strength CO2 pellets from CO2 snow, in particular, for a cleaning device for blasting surfaces to be treated with a mixed-flow consisting of a compressed gas and CO2 pellets, including a main compressing device for compressing CO2 snow for forming CO2 pellets, further including a pre-compressing device for pre-compressing CO2 snow produced by expanding liquid CO2, wherein the pre-compressing device is in the form of a fluid-mechanical pre-compressing device, wherein the pre-compressing device includes an expansion device for producing CO2 snow from liquid or gaseous CO2 and a pre-compression chamber for receiving and pre-compressing the produced CO2 snow and wherein the expansion device and the pre-compression chamber are connected to one another in fluidic manner.

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Patent Owner(s)

Patent OwnerAddress
ALFRED KÄRCHER SE & CO KG71364 WINNENDEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Silva Ruwantha Schwieberdingen, DE 3 12
Gassmann, Juergen Winnenden, DE 2 12
Hayn, Henning Stuttgart, DE 21 156
Plachke, Dieter Winnenden, DE 3 6

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