Patents by Inventor Davide Caldirola

Davide Caldirola 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).

  • VARIABLE CAMSHAFT TIMING (VCT) PHASER ASSEMBLY AND CONTROL VALVE INSTALLED REMOTELY
    Publication number: 20210355847
    Abstract: A variable camshaft timing (VCT) phaser assembly and control valve are employed for use in an internal combustion engine. The VCT phaser assembly has a housing and a rotor. The control valve is installed at a location that is remote of the housing and rotor, and apart from a center bolt site of the housing and rotor. The control valve has a valve housing and a spool located in the valve housing. The valve housing has different ports for fluid communication with a source, an advance line, and a retard line. One or more recirculation paths can be established at various times between the valve housing and the spool, depending upon the position of the spool in the valve housing.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 18, 2021
    Inventors: Augusto Fanzani, Davide Caldirola
  • Variable camshaft timing (VCT) phaser assembly and control valve installed remotely
    Patent number: 11174761
    Abstract: A variable camshaft timing (VCT) phaser assembly and control valve are employed for use in an internal combustion engine. The VCT phaser assembly has a housing and a rotor. The control valve is installed at a location that is remote of the housing and rotor, and apart from a center bolt site of the housing and rotor. The control valve has a valve housing and a spool located in the valve housing. The valve housing has different ports for fluid communication with a source, an advance line, and a retard line. One or more recirculation paths can be established at various times between the valve housing and the spool, depending upon the position of the spool in the valve housing.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: November 16, 2021
    Assignee: BORGWARNER, INC.
    Inventors: Augusto Fanzani, Davide Caldirola