Patents by Inventor Alain M. J. Lardellier

Alain M. J. Lardellier 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).

  • Turbine bearing
    Patent number: 4451110
    Abstract: The outside retainer of the bearing is mounted at the end of a relatively elastic squirrel cage attached by a flange to a rigid support; the radial movements of the retainer are limited by an annular stop. In accordance with the invention, parts are arranged so as also to serve as stops for the circumferential and axial movements of the bearing.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: May 29, 1984
    Assignee: S.N.E.C.M.A.
    Inventors: Alexandre Forestier, Alain M. J. Lardellier
  • Removable sealing gasket for distributor segments of a jet engine
    Patent number: 4295785
    Abstract: The invention concerns a mode of fastening a seal to the guide vanes of a t engine. According to the invention, a gasket is attached to the inside bottom of a channel shaped support which is engaged by an internal ferrule of a guide vanes, the ferrule having L-shaped recesses and tongues of conforming configuration on the seal support to engage in those recesses.
    Type: Grant
    Filed: March 18, 1980
    Date of Patent: October 20, 1981
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventor: Alain M. J. Lardellier
  • Removable support for the sealing lining of the casing of jet engine blowers
    Patent number: 4295787
    Abstract: A support for a sealing lining of a jet engine blower consists of three centric ferrules: one inner ferrule carrying the sealing lining, an intermediate ferrule, an outer ferrule, and a U-shaped ferrule supporting the inner and outer ferrules. The ferrules are made of epoxy resin and glass fibers. The outer ferrule has surfaces which telescope into parts of the casing.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: October 20, 1981
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventor: Alain M. J. Lardellier
  • Apparatus for measuring the temperature of a gas flow traversing a grid of blades
    Patent number: 4279153
    Abstract: Apparatus is disclosed which is intended to measure the temperature of a flow traversing a blade grid, for example the valve blades of a turbojet turbine. This apparatus comprises a temperature sounder lodged within a gas escape circuit provided in a blade. In-flight monitoring of the gas temperature in an aircraft turbojet is possible with the present invention.
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: July 21, 1981
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventors: Robert Kervistin, Alain M. J. Lardellier
  • Safety device for an axially rotating machine
    Patent number: 4197052
    Abstract: A device to eject a fragment of a broken blade of an axially rotating mace by damping its kinetic energy, in order to prevent perforating the housing of the machine and the rupture of adjacent blades. The device is in the form of a helical ramp carried by the internal wall of the housing of the machine.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: April 8, 1980
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventor: Alain M. J. Lardellier