Patents by Inventor Pascal ROLLAND

Pascal ROLLAND 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: 10450965
    Abstract: The invention relates to a fuel metering and distribution unit (10) which comprises in particular a slide valve (20) and a set of slots (41) configured with geometries, dimensions and positions such that: in a first range of displacement of the slide valve, the flow area (31) which feeds the outlet port of the start-up ramp is progressively opened with the displacement of the slide valve (20), while the area (41) of the set of slots which feeds the outlet port of the main ramp is closed, then, in a second range of displacement of the slide valve (20), the area (41) of the set of slots which feeds the outlet port (42) of the main ramp is progressively opened with the displacement of the slide valve, while the flow area (31) which feeds the outlet port of the start-up ramp is kept open, the outlet port (42) of the main ramp thus being able to receive a portion of the total metered flow rate at the flow area (31) feeding the outlet port of the start-up ramp.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: October 22, 2019
    Assignee: SAFRAN POWER UNITS
    Inventors: Guylain Ozzello, Pascal Rolland
  • Publication number: 20180066591
    Abstract: The invention relates to a fuel metering and distribution unit (10) which comprises in particular a slide valve (20) and a set of slots (41) configured with geometries, dimensions and positions such that: in a first range of displacement of the slide valve, the flow area (31) which feeds the outlet port of the start-upstart-up ramp is progressively opened with the displacement of the slide valve (20), while the area (41) of the set of slots which feeds the outlet port of the main ramp is closed, then, in a second range of displacement of the slide valve (20), the area (41) of the set of slots which feeds the outlet port (42) of the main ramp is progressively opened with the displacement of the slide valve, while the flow area (31) which feeds the outlet port of the start-upstart-up ramp is kept open, the outlet port (42) of the main ramp thus being able to receive a portion of the total metered flow rate at the flow area (31) feeding the outlet port of the start-upstart-up ramp.
    Type: Application
    Filed: August 30, 2017
    Publication date: March 8, 2018
    Inventors: Guylain OZZELLO, Pascal ROLLAND