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:
Jan. 14, 2020
Filed:
Dec. 07, 2017
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Achim Volmer, Krummesse, DE;
Michael Brodersen, Wahlstedt, DE;
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Abstract
A head simulator, for testing respirators, has a head simulator body () with a simulated oral aperture () and with a simulated oral cavity (), which is located behind the simulated oral aperture () in the head simulator body. A loudspeaker () is arranged in the simulated oral cavity (). An audio unit () is connected to the loudspeaker () for reproducing speech via the loudspeaker (). The head simulator includes a simulated trachea (), which is in connection with the simulated oral cavity () and opens into the simulated oral aperture (). An air delivery device () is provided, which can be operated to allow air to flow through the simulated trachea () and the simulated oral aperture ().