Patents by Inventor Mathieu Laurent Louis PERRIER

Mathieu Laurent Louis PERRIER 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).

  • Turboprop comprising a gas generator and an accessory box coupled to a rear end of a high pressure shaft of the gas generator
    Patent number: 10927766
    Abstract: A turboprop including a propeller shaft and a gas generator running along this propeller shaft, this gas generator including a high-pressure shaft and a hollow low-pressure shaft both extending along the same longitudinal axis, the low-pressure shaft having a rear end coupled to a rear end of the propeller shaft via a reducer. It includes an accessory box contiguous to the reducer while being located facing a rear end of the low-pressure shaft, and coupled to the rear end of the high-pressure shaft by a shaft passing through the low-pressure shaft.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: February 23, 2021
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Nora El Ghannam, Geoffroy Marie Gerard Nicq, Mathieu Laurent Louis Perrier
  • Assembly on a shaft of a turbomachine of a bladed rotor disc and of a rotor of a low pressure compressor having at least two mobile nozzle stages
    Patent number: 10662776
    Abstract: An assembly includes a one-piece bladed disk, at least one low-pressure compressor rotor, and a low-pressure compressor shaft. The bladed disk and the low-pressure compressor rotor are both adapted to be shrunk onto the low-pressure compressor shaft and mechanically attached to it by sets of splines. At least one clamping member blocks axially the different collars with respect to the shaft.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: May 26, 2020
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Mathieu Laurent Louis Perrier, Nils Edouard Romain Bordoni, Gilles Alain Marie Charier
  • TURBOPROP COMPRISING A GAS GENERATOR AND AN ACCESSORY BOX COUPLED TO A REAR END OF A HIGH PRESSURE SHAFT OF THE GAS GENERATOR
    Publication number: 20190331028
    Abstract: A turboprop including a propeller shaft and a gas generator running along this propeller shaft, this gas generator including a high-pressure shaft and a hollow low-pressure shaft both extending along the same longitudinal axis, the low-pressure shaft having a rear end coupled to a rear end of the propeller shaft via a reducer. It includes an accessory box contiguous to the reducer while being located facing a rear end of the low-pressure shaft, and coupled to the rear end of the high-pressure shaft by a shaft passing through the low-pressure shaft.
    Type: Application
    Filed: November 9, 2017
    Publication date: October 31, 2019
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Nora EL GHANNAM, Geoffroy Marie Gerard NICQ, Mathieu Laurent Louis PERRIER