The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 07, 2023
Filed:
Nov. 13, 2018
Alfred Kärcher SE & Co. KG, Winnenden, DE;
Ruwantha De Silva, Schwieberdingen, DE;
Juergen Gassmann, Winnenden, DE;
Henning Hayn, Stuttgart, DE;
Dieter Plachke, Winnenden, DE;
Alfred Kärcher SE & Co. KG, Winnenden, DE;
Abstract
The present invention relates to a device for producing high-strength COpellets from COsnow, in particular, for a cleaning device for blasting surfaces to be treated with a mixed-flow consisting of a compressed gas and COpellets, including a main compressing device for compressing COsnow for forming COpellets, further including a pre-compressing device for pre-compressing COsnow produced by expanding liquid CO, 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 COsnow from liquid or gaseous COand a pre-compression chamber for receiving and pre-compressing the produced COsnow and wherein the expansion device and the pre-compression chamber are connected to one another in fluidic manner.