Patents by Inventor Neil H. Orr

Neil H. Orr 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).

  • Liquid propellant rocket engine turbopump drain
    Patent number: 11333074
    Abstract: A liquid propellant rocket engine includes a pump that is disposed along a central axis. The pump includes a purge system, a collection annulus in fluid communication with the purge system, and a drain. The collection annulus has an outer diameter wall, an inner diameter wall, and an end wall. The end wall defines an annular channel that has a channel depth that varies circumferentially. The drain opens to the collection annulus. At the drain, the annular channel has a lowest point at which the channel depth is maximum depth.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: May 17, 2022
    Assignee: AEROJET ROCKETDYNE, INC.
    Inventor: Neil H. Orr
  • LIQUID PROPELLANT ROCKET ENGINE TURBOPUMP DRAIN
    Publication number: 20190153955
    Abstract: A liquid propellant rocket engine includes a pump that is disposed along a central axis. The pump includes a purge system, a collection annulus in fluid communication with the purge system, and a drain. The collection annulus has an outer diameter wall, an inner diameter wall, and an end wall. The end wall defines an annular channel that has a channel depth that varies circumferentially. The drain opens to the collection annulus. At the drain, the annular channel has a lowest point at which the channel depth is maximum depth.
    Type: Application
    Filed: July 26, 2017
    Publication date: May 23, 2019
    Inventor: Neil H. Orr