ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,341, issued on Dec. 2, was assigned to Innomotics GmbH (Nuremberg, Germany).
"Self-ventilated electrodynamic rotary machine" was invented by Klaus Buttner (Hollstadt, Germany), Reiner Grillenberger (Windsbach, Germany), Tobias Katzenberger (Bad Konigshofen STT Unteressfeld, Germany), Klaus Kirchner (Ostheim, Germany) and Matthias Warmuth (Windshausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-ventilated electrodynamic rotary machine includes a housing configured to at least partially axially enclose the rotary machine, and a fan connected in a rotationally fixed manner to a shaft on a ventilation side of the rotary machine and con...