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:
Sep. 06, 2022
Filed:
Jul. 24, 2018
Concept Laser Gmbh, Lichtenfels, DE;
Wolfgang Lauer, Bamberg, DE;
Christian Diller, Lichtenfels, DE;
Viktor Engel, Coburg, DE;
Andreas Ullrich, Breitengrüßbach, DE;
Jens Stammberger, Rödental, DE;
CONCEPT LASER GMBH, Lichtenfels, DE;
Abstract
Apparatus () for additively manufacturing three-dimensional objects () by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material () which can be consolidated by means of an energy beam (), the apparatus () comprising a process chamber () and a stream generating device () configured to generate a gaseous fluid stream at least partly streaming through the process chamber (), the gaseous fluid stream being capable of being charged with non-consolidated particulate build material, particularly smoke or smoke residues generated during operation of the apparatus (), while streaming through the process chamber (), wherein the stream generating () device comprises at least two separate stream generating units () each being configured to generate a respective gaseous fluid stream.