Patents by Inventor Jean-Yves Der Matheossian

Jean-Yves Der Matheossian 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: 20190077405
    Abstract: A starting strategy for a power train (10) of a motor vehicle including an internal combustion engine (11) fitted with a drive shaft (12) extending along a longitudinal axis (X), an alternator-starter (14), a first pulley (15, 19) that is designed to be driven in rotation by the drive shaft, a pulley (16) that is rigidly connected to a shaft of the alternator-starter, a belt (17) encircling said two pulleys, and a coupling/decoupling system (18) between the first pulley (19) and the drive shaft of the engine (12), characterized in that the starting strategy includes a preparation procedure for said belt in cold weather.
    Type: Application
    Filed: March 23, 2017
    Publication date: March 14, 2019
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Jean-Pierre MILLON, Jean-Yves DER MATHEOSSIAN
  • Patent number: 8783222
    Abstract: An internal combustion engine including: an even number of inline cylinders, each accommodating a piston; a crankshaft rotatably mounted about an axis; first and second balance shafts rotatably mounted about balancing axes parallel to and separate from the engine axis; and first and second mechanisms for rotating the first and second balance shafts at rotating speeds that are dependent on a rotating speed of the crankshaft. The balancing axes of the first and second balance shafts coincide, and the second rotating mechanism adjusts a phase difference between angular positions of the first and second balance shafts around the balancing axis.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: July 22, 2014
    Assignee: Renault s.a.s.
    Inventors: Alexandre Anton, Jean-Yves Der-Matheossian
  • Publication number: 20130312683
    Abstract: An internal combustion engine including: an even number of inline cylinders, each accommodating a piston; a crankshaft rotatably mounted about an axis; first and second balance shafts rotatably mounted about balancing axes parallel to and separate from the engine axis; and first and second mechanisms for rotating the first and second balance shafts at rotating speeds that are dependent on a rotating speed of the crankshaft. The balancing axes of the first and second balance shafts coincide, and the second rotating mechanism adjusts a phase difference between angular positions of the first and second balance shafts around the balancing axis.
    Type: Application
    Filed: January 19, 2012
    Publication date: November 28, 2013
    Applicant: RENAULT s.a.s.
    Inventors: Alexandre Anton, Jean-Yves Der-Matheossian
  • Patent number: 8196389
    Abstract: A control method for an internal combustion engine including an exhaust gases post-processing system and a system for recirculating the exhaust gases towards the intake, wherein the engine can be switched from a regeneration operation mode with throttling to a nominal mode without throttling. At the end of the engine operation in the regeneration mode, the engine is temporarily operated in an intermediate mode with partial throttling for limiting the contrast of the intake noise.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: June 12, 2012
    Assignee: Renault S.A.S.
    Inventor: Jean-Yves Der Matheossian
  • Publication number: 20100043401
    Abstract: A control method for an internal combustion engine including an exhaust gases post-processing system and a system for recirculating the exhaust gases towards the intake, wherein the engine can be switched from a regeneration operation mode with throttling to a nominal mode without throttling. At the end of the engine operation in the regeneration mode, the engine is temporarily operated in an intermediate mode with partial throttling for limiting the contrast of the intake noise.
    Type: Application
    Filed: December 4, 2007
    Publication date: February 25, 2010
    Applicant: RENAULT S.A.S.
    Inventor: Jean-Yves Der Matheossian