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:
May. 27, 2025
Filed:
Jun. 25, 2020
Nikon Slm Solutions Ag, Luebeck, DE;
Nikon SLM Solutions AG, Luebeck, DE;
Abstract
The invention is directed to a powder supply system () for use in an apparatus () for producing a three-dimensional work piece by irradiating layers of a raw material powder () with electromagnetic or particle radiation. The powder supply system () comprises a circuit line () configured to conduct a gas stream (), a conveying device () configured to convey the gas stream () through the circuit line (), a powder doser () configured to introduce a desired dose of raw material powder () into the gas stream () flowing through the circuit line (), a measuring unit () configured to measure at least one of a pressure and a volume flow in the circuit line () at a position downstream of the powder doser (), and a control unit () configured to control the powder doser () based on at least one of a pressure value and a volume flow value measured by the measuring unit () in such a manner that the at least one of the pressure value and the volume flow value measured by the measuring unit () is within a predetermined range.