Patents by Inventor Francois Cottier

Francois Cottier 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).

  • Turbomachine for an aircraft propulsion drive
    Patent number: 12366177
    Abstract: The invention relates to a turbomachine for a flight propulsion drive with a compressor, a combustion chamber, a turbine through which a gas flow flows in the flow direction of turbomachine, and a heat exchanger downstream of the turbine, wherein the heat exchanger is equipped to generate steam from water using energy from the gas flow, which can be supplied with fuel to the gas flow for combustion in the combustion chamber.
    Type: Grant
    Filed: March 19, 2024
    Date of Patent: July 22, 2025
    Assignee: MTU Aero Engines AG
    Inventors: Istvan Bolgar, Francois Cottier, Milena Fois
  • TURBOMACHINE FOR AN AIRCRAFT PROPULSION DRIVE
    Publication number: 20240318578
    Abstract: The invention relates to a turbomachine for a flight propulsion drive with a compressor, a combustion chamber, a turbine through which a gas flow flows in the flow direction of turbomachine, and a heat exchanger downstream of the turbine, wherein the heat exchanger is equipped to generate steam from water using energy from the gas flow, which can be supplied with fuel to the gas flow for combustion in the combustion chamber.
    Type: Application
    Filed: March 19, 2024
    Publication date: September 26, 2024
    Applicant: MTU Aero Engines AG
    Inventors: Istvan Bolgar, Francois Cottier, Milena Fois
  • Shaft seal system and a compressor having a corresponding shaft seal system
    Patent number: 10030585
    Abstract: A shaft seal system which is disposed axially between a first chamber and a second chamber is disclosed. The shaft seal system includes a shaft, a casing that surrounds the shaft, and a seal which is disposed axially closer to the second chamber where the first chamber has a fluid and the second chamber is to be protected from the fluid. In this arrangement, the seal includes a pressure booster.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: July 24, 2018
    Assignee: MTU Aero Engines AG
    Inventors: Michael Flouros, Richard Scharl, Francois Cottier
  • SHAFT SEAL SYSTEM AND A COMPRESSOR HAVING A CORRESPONDING SHAFT SEAL SYSTEM
    Publication number: 20160061116
    Abstract: A shaft seal system which is disposed axially between a first chamber and a second chamber is disclosed. The shaft seal system includes a shaft, a casing that surrounds the shaft, and a seal which is disposed axially closer to the second chamber where the first chamber has a fluid and the second chamber is to be protected from the fluid. In this arrangement, the seal includes a pressure booster.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 3, 2016
    Applicant: MTU Aero Engines AG
    Inventors: Michael FLOUROS, Richard Scharl, Francois Cottier