Patents by Inventor Michael Vincent Drexel

Michael Vincent Drexel 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: 20130264775
    Abstract: A sealing assembly is provided. The sealing assembly includes a foil disposed circumferentially around a rotating component and configured to provide primary sealing to the rotating component between high pressure and low pressure sides and a spring system disposed adjacent to the foil. The spring system includes a plurality of features to facilitate foil surface to follow excursions of the rotating component, wherein the plurality of features provide secondary sealing from the high pressure to the low pressure sides between the foil and a stationary component.
    Type: Application
    Filed: May 31, 2013
    Publication date: October 10, 2013
    Inventors: Christopher Edward Wolfe, Biao Fang, Bugra Han Ertas, Kartik Mangudi Varadarajan, Michael Vincent Drexel, Mohsen Salehi
  • Publication number: 20090098003
    Abstract: A twin screw pump includes a pair of rotors disposed inside a casing having an inlet and an outlet. Each rotor includes a set of threads disposed on a portion of an outer surface of a shaft. A first bearing is coupled at a first end of the shaft and a second bearing is coupled at a second end of the shaft. The first and second bearings are not separated by one or more seals. The first and second bearings are configured for being lubricated by the liquid medium of the process fluid when the twin screw pump is in an operational mode.
    Type: Application
    Filed: October 11, 2007
    Publication date: April 16, 2009
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Vasanth Srinivasa Kothnur, Michael Vincent Drexel, David Deloyd Anderson, Darren Lee Hallman, Ronghai Qu, Hrishikesh Vishvas Deo, Farshad Ghasripoor
  • Publication number: 20080309019
    Abstract: A sealing assembly is provided. The sealing assembly includes a foil disposed circumferentially around a rotating component and configured to provide primary sealing to the rotating component between high pressure and low pressure sides and a spring system disposed adjacent to the foil. The spring system includes a plurality of features to facilitate foil surface to follow excursions of the rotating component, wherein the plurality of features provide secondary sealing from the high pressure to the low pressure sides between the foil and a stationary component.
    Type: Application
    Filed: June 13, 2007
    Publication date: December 18, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Christopher Edward Wolfe, Kartik Mangudi Varadarajan, Mohsen Salehi, Bugra Han Ertas, Michael Vincent Drexel, Biao Fang