Patents by Inventor Luc Melet

Luc Melet 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).

  • Patent number: 8876392
    Abstract: A pad-type thrust bearing in which each pad rests on a volume of liquid enclosed in a cavity connected to adjacent cavities by ducts. The thrust bearing includes a number of casings, each casing delimiting the cavity and which are connected to one another by ducts. The convex casings and the ducts together form a hollow functional subassembly which is separate from the other constituent components of the thrust bearing and which delimits a liquid-filled closed volume. Each casing includes two half-shells positioned one on each side of a flexible bladder and each duct including a flexible hose inserted in a sheath.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: November 4, 2014
    Assignee: Alstom Renewable Technologies
    Inventor: Luc Melet
  • Publication number: 20140219592
    Abstract: The invention relates to an adjustable system for guiding the rotation of a shaft about a vertical axis, including skids, each of which is provided with a surface for forming a bearing with the shaft. For each skid, a shim is provided with a cam surface, the outline of which, in a plane that is radial relative to the vertical axis of rotation, is inclined relative to said axis. Each skid directly engages, via a portion of the outer radial surface thereof, with the cam surface of the shim. Equipment for converting hydraulic power into electrical power according to the invention includes a wheel that is rotatably secured to a shaft guided by such an adjustable system.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Inventors: Melet MATHIEU, Luc MELET, Emmanuel GODEC
  • Publication number: 20130142466
    Abstract: The present invention relates to a pad-type thrust bearing in which each pad rests on a volume of liquid enclosed in a cavity connected to adjacent cavities by ducts. The thrust bearing comprises a number of convex casings each on its own delimiting a cavity and which are connected to one another by ducts. The convex casings and the ducts together form a hollow functional subassembly which is separate from the other constituent components of the thrust bearing and which delimits a liquid-filled closed volume. According to the invention, each casing comprises two half-shells positioned one on each side of a flexible bladder and each duct comprises a flexible hose inserted in a sheath.
    Type: Application
    Filed: May 16, 2011
    Publication date: June 6, 2013
    Applicant: ALSTOM Hydro France
    Inventor: Luc Melet
  • Publication number: 20110222802
    Abstract: The invention relates to a ring (120) that is intended for being mounted tightly around a shaft of a hydraulic machine to form a portion of a hydrostatic or hydrodynamic bearing. The ring includes at least one first section (122), at least one second section (124) and means (132) for mounting the first and second sections around the shaft. Each section (122, 124) includes two edge surfaces (1223, 1243) connecting the external (1221, 1241) and internal (1222, 1242) radial surfaces thereof. The first section (122) is provided with at least one threaded hole (127) accessible via an edge surface (1223) and capable of receiving a screw (132) projecting from an edge surface (1243) of the second section (124). The screw (132) is provided, on the portion of the shank (134) thereof that projects from the second section (124), with at least one raised pattern (140) for rotatably moving the shank (134) in order to screw or unscrew the shank in the threaded hole (127).
    Type: Application
    Filed: November 16, 2009
    Publication date: September 15, 2011
    Applicant: ALSTOM HYDRO FRANCE
    Inventor: Luc Melet