Patents by Inventor Pablo Davilla

Pablo Davilla 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).

  • SLIDING-POCKET VARIABLE-DISPLACEMENT PUMP WITH COMPENSATION CHAMBERS
    Publication number: 20240003346
    Abstract: A sliding vane pump includes a fixed housing defining inlet and outlet ports and a sliding housing defining a cylindrical cavity and configured to slide within the fixed housing. The fixed housing and the sliding housing define a gap therebetween. A rotor is configured to rotate within the cylindrical cavity and has a plurality of vanes configured to seal against an inner circumferential wall of the cylindrical cavity to define a plurality of pumping chambers. A seal is located in the gap disposed between the fixed housing and the sliding housing to split the gap into first and second compensation chambers. The first chamber is fluidly connected to a first pumping chamber of the plurality of pumping chambers and the second chamber is connected to a second pumping chamber of the plurality of pumping chambers.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Inventors: Dengfu Zhang, Akhter uz Zaman, Pablo Davilla, Mark Davis
  • Sliding-pocket variable-displacement pump with compensation chambers
    Patent number: 11846284
    Abstract: A sliding vane pump includes a fixed housing defining inlet and outlet ports and a sliding housing defining a cylindrical cavity and configured to slide within the fixed housing. The fixed housing and the sliding housing define a gap therebetween. A rotor is configured to rotate within the cylindrical cavity and has a plurality of vanes configured to seal against an inner circumferential wall of the cylindrical cavity to define a plurality of pumping chambers. A seal is located in the gap disposed between the fixed housing and the sliding housing to split the gap into first and second compensation chambers. The first chamber is fluidly connected to a first pumping chamber of the plurality of pumping chambers and the second chamber is connected to a second pumping chamber of the plurality of pumping chambers.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: December 19, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Dengfu Zhang, Akhter uz Zaman, Pablo Davilla, Mark Davis