Patents by Inventor Hussain Y. Mothaffar

Hussain Y. Mothaffar 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).

  • Variable transmission for a motor vehicle
    Patent number: 8127636
    Abstract: A variable speed transmission including a housing, a frusto-conical gear having a hollow extending longitudinally through the gear and a plurality of spaced teeth on an inner and/or outer surface thereof. The plurality of spaced apart teeth include alternately teeth having a first addendum and teeth having a second or larger addendum. The transmission also includes a power shaft and a plurality of sliding face gears adapted to engage an input gear from an engine and a drive gear for engaging the frusto-conical gear.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: March 6, 2012
    Inventor: Hussain Y. Mothaffar
  • Variable Transmission for a Motor Vehicle
    Publication number: 20090056486
    Abstract: A variable speed transmission including a housing, a frusto-conical gear having a hollow extending longitudinally through the gear and a plurality of spaced teeth on an inner and/or outer surface thereof. The plurality of spaced apart teeth include alternately teeth having a first addendum and teeth having a second or larger addendum. The transmission also includes a power shaft and a plurality of sliding face gears adapted to engage an input gear from an engine and a drive gear for engaging the frusto-conical gear.
    Type: Application
    Filed: November 5, 2008
    Publication date: March 5, 2009
    Inventor: Hussain Y. Mothaffar
  • Variable transmission using frusto-conical gears and sliding face gears
    Patent number: 7461570
    Abstract: A variable transmission that works in conjunction with a conventional vehicle automatic transmission, includes at least one frusto-conical gear having a hollow space therewithin for housing a plurality of sliding face gears supported on a main power shaft, wherein the plurality of sliding face gears are hydraulically slidable to engage one another in a various step-up or step-down configurations to provide a smoother automatic shifting and driving condition.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: December 9, 2008
    Inventor: Hussain Y. Mothaffar
  • VARIABLE TRANSMISSION USING FRUSTO-CONICAL GEARS AND SLIDING FACE GEARS
    Publication number: 20080006108
    Abstract: The present invention provides a variable transmission that works in conjunction with a conventional vehicle automatic transmission, the variable transmission includes at least one frusto-conical gear having a hollow space therewithin for housing a plurality of sliding face gears supported on a main power shaft, wherein the plurality of sliding face gears are hydraulically slidable to engage one another in a various step-up or step-down configurations to provide a smoother automatic shifting and driving condition.
    Type: Application
    Filed: July 6, 2006
    Publication date: January 10, 2008
    Inventor: Hussain Y. Mothaffar