Patents by Inventor Adam L. STECKLEIN

Adam L. STECKLEIN 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).

  • Check valve for a fuel injector
    Patent number: 11674487
    Abstract: A fuel injector includes a needle valve including a spring-retaining section and a guide section that is adjacent to the spring-retaining section. The spring-retaining section includes an elongated portion and a flange that are together configured to support a spring assembly. The guide section includes a plurality of constricted portions alternatingly arranged with a plurality of expanded portions to define an undulating shape of the guide section. Each of the plurality of expanded portions includes a plurality of indentations to permit fuel to travel therealong to exit an outlet of the fuel injector. The guide section has a length that is substantially equal to a length of the spring-retaining section.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: June 13, 2023
    Assignee: Caterpillar Inc.
    Inventors: Cory Andrew Brown, Adam L. Stecklein
  • CHECK VALVE FOR A FUEL INJECTOR
    Publication number: 20220397084
    Abstract: A fuel injector includes a needle valve including a spring-retaining section and a guide section that is adjacent to the spring-retaining section. The spring-retaining section includes an elongated portion and a flange that are together configured to support a spring assembly. The guide section includes a plurality of constricted portions alternatingly arranged with a plurality of expanded portions to define an undulating shape of the guide section. Each of the plurality of expanded portions includes a plurality of indentations to permit fuel to travel therealong to exit an outlet of the fuel injector. The guide section has a length that is substantially equal to a length of the spring-retaining section.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 15, 2022
    Applicant: Caterpillar Inc.
    Inventors: Cory Andrew BROWN, Adam L. STECKLEIN