Continuously variable transmission

Friction gear transmission systems or components – Friction gear is ball – With condition responsive means to vary contact pressure

Reexamination Certificate

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Reexamination Certificate

active

11030210

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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