Patents by Inventor Frederick E. Dodd

Frederick E. Dodd 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).

  • Injector element for rocket engine
    Patent number: 11635045
    Abstract: An injector element for a liquid propellant rocket engine includes an oxidizer conduit, a central cavity that is fluidly coupled with the oxidizer conduit downstream of the oxidizer conduit, a first annulus that at least partially surrounds the oxidizer conduit and is fluidly coupled with an ignition fluid supply downstream of the ignition fluid supply, and a second annulus that at least partially surrounds the oxidizer conduit and is fluidly coupled with a fuel supply downstream of the fuel supply. The second annulus is fluidly coupled between the first annulus and the central cavity.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: April 25, 2023
    Assignee: AEROJET ROCKETDYNE, INC
    Inventors: Douglas S. Parker, Daniel P. Cap, Frederick E. Dodd
  • INJECTOR ELEMENT FOR ROCKET ENGINE
    Publication number: 20190153980
    Abstract: An injector element for a liquid propellant rocket engine includes an oxidizer conduit, a central cavity that is fluidly coupled with the oxidizer conduit downstream of the oxidizer conduit, a first annulus that at least partially surrounds the oxidizer conduit and is fluidly coupled with an ignition fluid supply downstream of the ignition fluid supply, and a second annulus that at least partially surrounds the oxidizer conduit and is fluidly coupled with a fuel supply downstream of the fuel supply. The second annulus is fluidly coupled between the first annulus and the central cavity.
    Type: Application
    Filed: June 29, 2017
    Publication date: May 23, 2019
    Inventors: Douglas S. Parker, Daniel P. Cap, Frederick E. Dodd