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:
Apr. 14, 2020
Filed:
Sep. 03, 2015
Technofan, Blagnac, FR;
Guillaume Boulet, L'Isle Jourdain, FR;
Jean-Christophe Lombard, Saint Alban, FR;
Pascal Toutain, Blagnac, FR;
TECHNOFAN, Blagnac, FR;
Abstract
The ventilation apparatus () according to the invention comprises a fan () including a rotary machine () and a fan wheel (), an observation module, a module for connecting the device () to a power source (), the fan wheel () being set in rotation by the rotary machine () when the apparatus () is connected to the power source (), and rotating freely when the apparatus () is disconnected from the power source (). The device () further includes an internal power module electrically connected between the rotary machine () and the observation module, the internal power module being able to recover an electric current generated by the rotary machine () driven by the fan wheel (), to power the observation module (), when the apparatus () is disconnected from the power source ().