Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert A. Smithson0
Donald C. Miller0
David J. Allen0
Date of Patent
October 1, 2019
Patent Application Number
15675452
Date Filed
August 11, 2017
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.
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