Patents by Inventor Jean-Pierre J. E. Castellant

Jean-Pierre J. E. Castellant 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).

  • Method for determining the flow rate of air through a turbine-engine labyrinth seal
    Patent number: 4574619
    Abstract: A method for determining the air flow through a labyrinth seal of a turbine ngine is disclosed wherein a constant flow rate of an inert gas is injected into the air discharged through the compressor output labyrinth seal. A portion of the gas mixture is withdrawn a specific distance away from the injection point and the flow rate of the air discharged from the labyrinth seal is calculated by measuring the inert gas content of the sample mixture.
    Type: Grant
    Filed: September 27, 1984
    Date of Patent: March 11, 1986
    Assignee: Societe Nationale d'Etude et de Construction de Meteurs d'Aviation
    Inventors: Jean-Pierre J. E. Castellant, Alain G. J. Habrard, Jacques E. Pidebois