Patents by Inventor Mohamed-Amine Hassini

Mohamed-Amine Hassini 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).

  • Rotary machine and primary motor-pump assembly provided with this rotary machine
    Patent number: 12215706
    Abstract: The present invention relates to a rotary machine (10), comprising a casing (32) delimiting an oil compartment (31), a shaft (33), a bearing (22, 23, 24), an oil sealing device (35) located between the rotary portion (360) and the upper portion (320) of the casing (32), characterised in that the oil sealing device (35) comprises at least one groove (52) for drawing in external air in the direction (S) of rotation of the shaft (33), the groove (52) being located in the rotary portion (360) and/or in the upper portion (320) of the housing (32), the rotary portion (360) not being in contact with the upper portion (320), the groove (52) for drawing in external air being configured to draw air from the upstream end (521) to the downstream end (522) towards the compartment (31) when the shaft (33) rotates in the direction (S).
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: February 4, 2025
    Assignee: Electricite de France
    Inventors: Julien Freychet, Mohand Adjemout, Pascal Andre, Mohamed-Amine Hassini, Benoit De Laage De Meux
  • Rotary Machine And Primary Motor-Pump Assembly Provided With This Rotary Machine
    Publication number: 20240229813
    Abstract: The present invention relates to a rotary machine (10), comprising a casing (32) delimiting an oil compartment (31), a shaft (33), a bearing (22, 23, 24), an oil sealing device (35) located between the rotary portion (360) and the upper portion (320) of the casing (32), characterised in that the oil sealing device (35) comprises at least one groove (52) for drawing in external air in the direction (S) of rotation of the shaft (33), the groove (52) being located in the rotary portion (360) and/or in the upper portion (320) of the housing (32), the rotary portion (360) not being in contact with the upper portion (320), the groove (52) for drawing in external air being configured to draw air from the upstream end (521) to the downstream end (522) towards the compartment (31) when the shaft (33) rotates in the direction (S).
    Type: Application
    Filed: May 11, 2022
    Publication date: July 11, 2024
    Applicant: Electricite de France
    Inventors: Julien Freychet, Mohand Adjemout, Pascal Andre, Mohamed-Amine Hassini, Benoit De Laage De Meux