Patents by Inventor Bruno CHALMETTE

Bruno CHALMETTE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Air-cooled electric propulsion unit
    Patent number: 10358028
    Abstract: An electric powertrain includes a speed reducer and an electric motor housed in contiguous casings, together with an air cooling circuit for the speed reducer and the electric motor. The cooling circuit includes an opening for the inlet of air into the casing of the speed reducer, openings for the passage of air in a casing wall separating the speed reducer from the electric motor, and an air outlet opening in the casing of the electric motor. The cooling circuit also includes a fan placed at a height relative to the speed reducer and the electric motor, an upstream conduit that channels the air from the fan toward the speed reducer, and a downstream conduit for the outlet of the air from the electric motor toward the ground.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: July 23, 2019
    Assignee: RENAULT s.a.s.
    Inventors: Fabrice Meunier, Bruno Chalmette
  • AIR-COOLED ELECTRIC PROPULSION UNIT
    Publication number: 20170225559
    Abstract: An electric powertrain includes a speed reducer and an electric motor housed in contiguous casings, together with an air cooling circuit for the speed reducer and the electric motor. The cooling circuit includes an opening for the inlet of air into the casing of the speed reducer, openings for the passage of air in a casing wall separating the speed reducer from the electric motor, and an air outlet opening in the casing of the electric motor. The cooling circuit also includes a fan placed at a height relative to the speed reducer and the electric motor, an upstream conduit that channels the air from the fan toward the speed reducer, and a downstream conduit for the outlet of the air from the electric motor toward the ground.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 10, 2017
    Applicant: RENAULT s.a.s.
    Inventors: Fabrice MEUNIER, Bruno CHALMETTE