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:
Jul. 09, 2024
Filed:
Apr. 05, 2023
Kaeser Kompressoren SE, Coburg, DE;
Andreas Foerster, Coburg, DE;
Gerald Weih, Coburg, DE;
KAESER KOMPRESSOREN SE, Coburg, DE;
Abstract
The invention relates to a screw compressor comprising a compressor housing () having two rotor screws () mounted axially parallel therein, which mesh with each other in a compression space (), can be driven by a drive and are synchronized with each other in their rotational movement, wherein the rotor screws () each have a single-part or multi-part base body () with two end faces () and a profiled surface () extending therebetween, and shaft ends () projecting beyond the end faces (), wherein at least the profiled surface () is formed in multiple layers, comprising a first, inner layer () and a second, outer layer (), wherein the first, inner layer () and the second, outer layer () both comprise or are formed from a thermoplastic synthetic material, wherein particles () or pores () supporting a running-in process are embedded in the second, outer layer () and the thermoplastic synthetic material defines a matrix for receiving the particles () or for forming the pores ().