Patents by Inventor Ryan S. Gray, JR.

Ryan S. Gray, JR. 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).

  • Fuel injector having a self-contained replaceable pilot valve assembly
    Patent number: 11466652
    Abstract: A fuel injector device for injecting fuel into a combustion chamber of an internal combustion engine is provided. Included in the fuel injector is a body having a chamber and a pilot valve assembly including a seat retainer configured to be detachably insertable into the chamber of the body. A pilot valve seat is disposed in the seat retainer and substantially enclosed by the seat retainer. A stator assembly is disposed in the seat retainer and at least partially enclosed by the seat retainer. The pilot valve seat and the stator assembly in the pilot valve assembly are replaceable as a single unit of the pilot valve assembly for the fuel injector.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 11, 2022
    Assignee: CUMMINS INC.
    Inventors: Raymond V. Primus, Ryan S. Gray, Jr.
  • FUEL INJECTOR HAVING A SELF-CONTAINED REPLACEABLE PILOT VALVE ASSEMBLY
    Publication number: 20180363616
    Abstract: A fuel injector device for injecting fuel into a combustion chamber of an internal combustion engine is provided. Included in the fuel injector is a body having a chamber and a pilot valve assembly including a seat retainer configured to be detachably insertable into the chamber of the body. A pilot valve seat is disposed in the seat retainer and substantially enclosed by the seat retainer. A stator assembly is disposed in the seat retainer and at least partially enclosed by the seat retainer. The pilot valve seat and the stator assembly in the pilot valve assembly are replaceable as a single unit of the pilot valve assembly for the fuel injector.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 20, 2018
    Inventors: Raymond V. Primus, Ryan S. Gray, JR.