Patents by Inventor Christian Sarrat

Christian Sarrat 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).

  • Publication number: 20190352001
    Abstract: Propulsion system (8) for a single-engine helicopter (1), comprising: a main engine (9) connected to a front drive shaft (5) and a rear drive shaft (7), respectively, suitable for driving a main gearbox (4) referred to as MGB (4) and a tail gearbox (6) referred to as TGB (6); ? an assistance device (10) attached to the main engine (9); characterised in that said propulsion system (8) is designed in order that the assistance device (10) can mechanically drive the TGB and MGB (6, 4) by introducing power to the rear drive shaft (7).
    Type: Application
    Filed: February 5, 2018
    Publication date: November 21, 2019
    Applicants: SAFRAN HELICOPTER ENGINES, SAFRAN HELICOPTER ENGINES
    Inventors: Romain THIRIET, Camel SERGHINE, Alphonse PUERTO, Christian SARRAT
  • Patent number: 10301035
    Abstract: A method and configuration to optimize an entire traction system available on a helicopter including an auxiliary engine by allowing the engine to provide non-propulsive and/or propulsive power during flight. The auxiliary engine is coupled to participate directly in providing mechanical or electrical propulsive power and electrical non-propulsive power to the aircraft. An architecture configuration includes an on-board power supply network, two main engines, and a system for converting mechanical energy into electrical energy between a main gearbox to the propulsion members and a mechanism receiving electrical energy including the on-board network and power electronics in conjunction with starters of the main engines. An auxiliary power engine provides electrical energy to the mechanism for receiving electrical energy via the energy conversion system and a mechanism for mechanical coupling between the auxiliary engine and at least one propulsion member.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: May 28, 2019
    Assignees: SAFRAN HELICOPTER ENGINES, SAFRAN POWER UNITS, SAFRAN ELECTRICAL & POWER
    Inventors: Olivier Bedrine, Christian Sarrat, Fabien Silet, Sebastien Vieillard
  • Publication number: 20150143950
    Abstract: A method and configuration to optimize an entire traction system available on a helicopter including an auxiliary engine by allowing the engine to provide non-propulsive and/or propulsive power during flight. The auxiliary engine is coupled to participate directly in providing mechanical or electrical propulsive power and electrical non-propulsive power to the aircraft. An architecture configuration includes an on-board power supply network, two main engines, and a system for converting mechanical energy into electrical energy between a main gearbox to the propulsion members and a mechanism receiving electrical energy including the on-board network and power electronics in conjunction with starters of the main engines. An auxiliary power engine provides electrical energy to the mechanism for receiving electrical energy via the energy conversion system and a mechanism for mechanical coupling between the auxiliary engine and at least one propulsion member.
    Type: Application
    Filed: June 12, 2013
    Publication date: May 28, 2015
    Applicants: TURBOMECA, MICROTURBO, LABINAL POWER SYSTEMS
    Inventors: Olivier Bedrine, Christian Sarrat, Fabien Silet, Sebastien Viellard