Patents by Inventor Matteo Raffaele COSTANTINI

Matteo Raffaele COSTANTINI 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).

  • Lash adjuster with hydraulic lash assembly and mechanical lash assembly
    Patent number: 12049835
    Abstract: A lash adjuster can include a hydraulic lash assembly, a mechanical lash assembly, and a check assembly. The hydraulic lash assembly can include a body, a top plunger, a leak down plunger, and the check assembly between the body and the leak down plunger. The mechanical lash assembly can be between the top plunger and the leak down plunger. The mechanical lash assembly can include a shim abutting the top plunger, a spacer, and a spring pressing against the spacer and the shim to form a gap between the top plunger and the leak down plunger. The lash adjuster can include the spring pressing directly against the spacer and directly or indirectly against the shim.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: July 30, 2024
    Assignee: Eaton Intelligent Power Limited
    Inventors: Marco Aimo Boot, Matteo Raffaele Costantini, Luigi Lia, Piero Parmeggiani
  • LASH ADJUSTER WITH HYDRAULIC LASH ASSEMBLY AND MECHANICAL LASH ASSEMBLY
    Publication number: 20230175420
    Abstract: A lash adjuster can include a hydraulic lash assembly, a mechanical lash assembly, and a check assembly. The hydraulic lash assembly can include a body, a top plunger, a leak down plunger, and the check assembly between the body and the leak down plunger. The mechanical lash assembly can be between the top plunger and the leak down plunger. The mechanical lash assembly can include a shim abutting the top plunger, a spacer, and a spring pressing against the spacer and the shim to form a gap between the top plunger and the leak down plunger. The lash adjuster can include the spring pressing directly against the spacer and directly or indirectly against the shim.
    Type: Application
    Filed: May 13, 2021
    Publication date: June 8, 2023
    Inventors: Marco AIMO BOOT, Matteo Raffaele COSTANTINI, Luigi LIA, Piero PARMEGGIANI