Patents by Inventor Steven Wayne Zellers

Steven Wayne Zellers 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: 6196551
    Abstract: A seal structure has a seal lip and a splash lip. The splash lip is disposed to contact a rotating shaft at an axial location intermediate the seal lip and a support bushing to prevent a high velocity oil stream, departing between the bushing and the shaft, from impinging the seal lip prior the velocity of the oil stream being reduced.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: March 6, 2001
    Assignee: General Motors Corporation
    Inventor: Steven Wayne Zellers
  • Patent number: 6145842
    Abstract: A torque converter has a lip seal abutting the torque converter impeller control pump drive hub. The drive hub is rotatably supported in a transmission housing. Oil from the drive hub side of the bushing passes through the bushing into a chamber sealed from atmosphere by the lip seal. The lip seal has a component rotatably sealing on a diameter greater than the drive hub diameter. The bushing, in one embodiment, has a control passage for exhausting a portion of the oil from the control pump side prior to reaching the chamber.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 14, 2000
    Assignee: General Motors Corporation
    Inventors: Steven Wayne Zellers, Steven Franklin James