Patents by Inventor Christian Armand Marceau

Christian Armand Marceau 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).

  • Device for the nondestructive test of a part
    Patent number: 9970901
    Abstract: An eddy current testing to detect defects at the surface or at shallow depth in a blade root for an airplane engine fan is provided. The device includes a probe containing a sensor, the probe being hinge-mounted to the end of a handle, a guide presenting a reference surface, and a mechanism for adjusting the position of the guide parallel to an axis of the handle.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: May 15, 2018
    Assignee: SNECMA
    Inventors: Christian Armand Marceau, Andre Rouff
  • DEVICE FOR THE NONDESTRUCTIVE TEST OF A PART
    Publication number: 20150346155
    Abstract: Eddy current testing to detect defects at the surface or at shallow depth in a part, in particular a blade root for an airplane engine fan. The device comprises a probe (20) containing a sensor (21), the probe being hinge-mounted to the end of a handle (27), a guide (29) presenting a reference surface (31), and means for adjusting the position of the guide parallel to an axis of the handle.
    Type: Application
    Filed: August 11, 2015
    Publication date: December 3, 2015
    Applicant: SNECMA
    Inventors: Christian Armand MARCEAU, Andre ROUFF
  • Device for the nondestructive test of a part
    Patent number: 9157893
    Abstract: A device for testing to detect defects at a surface or at shallow depth in a part, for example a blade root for an airplane engine fan. The device includes a probe including a sensor, the probe being hinge-mounted to the end of a handle, a guide presenting a reference surface, and a mechanism adjusting the position of the guide parallel to an axis of the handle.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: October 13, 2015
    Assignee: SNECMA
    Inventors: Christian Armand Marceau, Andre Rouff
  • DEVICE FOR THE NONDESTRUCTIVE TEST OF A PART
    Publication number: 20120098531
    Abstract: A device for testing to detect defects at a surface or at shallow depth in a part, for example a blade root for an airplane engine fan. The device includes a probe including a sensor, the probe being hinge-mounted to the end of a handle, a guide presenting a reference surface, and a mechanism adjusting the position of the guide parallel to an axis of the handle.
    Type: Application
    Filed: June 8, 2010
    Publication date: April 26, 2012
    Applicant: SNECMA
    Inventors: Christian Armand Marceau, Andre Rouff
  • Device for inspecting tangential recesses in a rotor disk
    Patent number: 7800364
    Abstract: An inspection device for inspecting tangential recesses in a rotor disk by means of eddy currents is disclosed. The device includes a probe containing a plurality of sensors arranged to acquire a plurality of data series during a scan stroke, and the probe is mounted on moving equipment that is slidable in a support that is provided with two positioning members for co-operating with recesses neighboring the recess for inspection.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: September 21, 2010
    Assignees: SNECMA, SNECMA Services
    Inventors: Patrick Briffa, Patrick Cabanis, Rene Le Floc'h, Christian Armand Marceau, Dominique Thibault, Vincent Pasquer
  • DEVICE FOR INSPECTING TANGENTIAL RECESSES IN A ROTOR DISK
    Publication number: 20090267598
    Abstract: An inspection device for inspecting tangential recesses in a rotor disk by means of eddy currents. The device comprises a probe containing a plurality of sensors arranged to acquire a plurality of data series during a scan stroke, and the probe is mounted on moving equipment that is slidable in a support that is provided with two positioning members for co-operating with recesses neighboring the recess for inspection.
    Type: Application
    Filed: May 7, 2009
    Publication date: October 29, 2009
    Applicants: SNECMA, SNECMA SERVICES
    Inventors: Patrick Briffa, Patrick Cabanis, Rene Le Floc'h, Christian Armand Marceau, Dominique Thibault, Vincent Pasquer