Patents by Inventor Stephen Tressel

Stephen Tressel 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).

  • Patent number: 9156310
    Abstract: A mechanical drive seal housing includes a lubricant reservoir to supplement the amount of available lubricant. The lubricant is used to cool a seal having two halves. The seal halves include complimentary textures configured to move and retain lubricant. A drive axle includes a stationary shaft and a wheel hub rotatably connected to the stationary shaft. A metal face seal is located at an interface between the stationary shaft and the wheel hub. A stationary seal half of the metal face seal is located in a mechanical drive seal housing which includes a lubricant reservoir to supplement the amount of available lubricant.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: October 13, 2015
    Assignee: SIEMENS INDUSTRY, INC
    Inventors: Todd R. Morman, Stephen Tressel, Matthew Douville
  • Publication number: 20140197675
    Abstract: A self-lubricating and cooling metal face seal includes a rotating seal half and a stationary seal half. The seal halves include complimentary textures configured to move and retain lubricant. The rotating seal half has a texture comprising an alternating series of plows and troughs circumferentially spaced around an inner diameter of the rotating seal half. The stationary seal half has a texture comprising collection and distribution grooves circumferentially spaced around an inner diameter of the stationary seal half. A drive axle includes a spindle and a wheel hub rotatably connected to the spindle. A metal face seal is located at an interface between the spindle and the wheel hub.
    Type: Application
    Filed: January 11, 2013
    Publication date: July 17, 2014
    Applicant: Siemens Industry, Inc.
    Inventors: Todd R. Morman, Stephen Tressel, Matthew Douville
  • Publication number: 20140197679
    Abstract: A mechanical drive seal housing includes a lubricant reservoir to supplement the amount of available lubricant. The lubricant is used to cool a seal having two halves. The seal halves include complimentary textures configured to move and retain lubricant. A drive axle includes a stationary shaft and a wheel hub rotatably connected to the stationary shaft. A metal face seal is located at an interface between the stationary shaft and the wheel hub. A stationary seal half of the metal face seal is located in a mechanical drive seal housing which includes a lubricant reservoir to supplement the amount of available lubricant.
    Type: Application
    Filed: January 11, 2013
    Publication date: July 17, 2014
    Applicant: Siemens Industry, Inc.
    Inventors: Todd R. Morman, Stephen Tressel, Matthew Douville