Patents by Inventor Serge Marie Gabriel COT

Serge Marie Gabriel COT 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).

  • Recirculation of lubricant in a turbomachine rolling-element bearing
    Patent number: 11940008
    Abstract: Rolling-element bearing for a turbomachine of an aircraft, comprising an inner ring (3) defining a first raceway (112), and an outer ring (4) defining a second raceway (124), characterized in that the bearing has at least one loop circuit (21, 22) for forced recirculation of lubricant, this loop circuit comprising a first recirculation circuit (21) comprising at least one lubricant inlet (1200) located on the second raceway (124), and connected by at least one duct (120, 166) created in the outer ring (4) to at least one lubricant outlet (1661) which discharges into a second recirculation circuit (22) of the loop circuit (21, 22), this second recirculation circuit (22) comprising at least one duct (152, 1134, 1136; 1135, 1136) created in the inner ring (3).
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: March 26, 2024
    Assignee: SAFRAN POWER UNITS
    Inventors: Serge Marie Gabriel Cot, Jean-Paul Salvador Lopez, Stephane Chevalier
  • RECIRCULATION OF LUBRICANT IN A TURBOMACHINE ROLLING-ELEMENT BEARING
    Publication number: 20220316527
    Abstract: Rolling-element bearing for a turbomachine of an aircraft, comprising an inner ring (3) defining a first raceway (112), and an outer ring (4) defining a second raceway (124), characterized in that the bearing has at least one loop circuit (21, 22) for forced recirculation of lubricant, this loop circuit comprising a first recirculation circuit (21) comprising at least one lubricant inlet (1200) located on the second raceway (124), and connected by at least one duct (120, 166) created in the outer ring (4) to at least one lubricant outlet (1661) which discharges into a second recirculation circuit (22) of the loop circuit (21, 22), this second recirculation circuit (22) comprising at least one duct (152, 1134, 1136; 1135, 1136) created in the inner ring (3).
    Type: Application
    Filed: July 9, 2020
    Publication date: October 6, 2022
    Inventors: Serge Marie Gabriel COT, Jean-Paul Salvador LOPEZ, Stephane CHEVALIER