Patents by Inventor Narendra Arun Kulkarni

Narendra Arun Kulkarni 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).

  • Publication number: 20240418279
    Abstract: A spring-operated relief valve can include a biasing assembly, a valve inlet, a valve seat, a disc assembly that is biased toward the valve seat by the biasing assembly, and a disc insert secured to the disc holder. The disc insert can include a body, a sealing surface to seal against the valve seat, and a groove formed in the sealing surface of the disc insert, the groove to operate as a fluid guide to divert a portion of fluid flow during a relief event into the groove. The disc holder can extend past the sealing surface of the disc insert to direct fluid flow during a relief event.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 19, 2024
    Inventors: Vishwa Kalyanasundaram, Narendra Arun Kulkarni
  • Patent number: 12072031
    Abstract: A spring-operated relief valve can include a biasing assembly, a valve inlet, a valve seat, and a disc assembly that is biased toward the valve seat by the biasing assembly. A fluid guide, such as a groove or chamber, can be formed at the interface between the valve seat and the disc assembly. The fluid guide can be configured to direct fluid that flows across the valve seat to provide an upward force on the disc assembly during a relief event.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: August 27, 2024
    Assignee: Emerson Automation Solutions Final Control US LP
    Inventors: Vishwa Kalyanasundaram, Narendra Arun Kulkarni
  • Publication number: 20230088255
    Abstract: A spring-operated relief valve can include a biasing assembly, a valve inlet, a valve seat, and a disc assembly that is biased toward the valve seat by the biasing assembly. A fluid guide, such as a groove or chamber, can be formed at the interface between the valve seat and the disc assembly. The fluid guide can be configured to direct fluid that flows across the valve seat to provide an upward force on the disc assembly during a relief event.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 23, 2023
    Inventors: Vishwa Kalyanasundaram, Narendra Arun Kulkarni