Power transmission system with continuously variable speed...

Planetary gear transmission systems or components – Input from independent power sources – Condition responsive motor control

Reexamination Certificate

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Details

C475S005000

Reexamination Certificate

active

08079927

ABSTRACT:
The present invention is directed toward an apparatus for continuous speed variation of an output member with respect to a primary input member. In particular, the present invention provides a device having an output that rotates at reduced speed and increased torque relative to its prime input through the low friction, rolling engagement of its members, or alternatively, at increased speed and reduced torque for overdrive applications. Furthermore, the speed of the output member may be varied continuously and infinitely between the apparatus's lowest and highest ratio via a secondary input member and its low friction, rolling engagement with the device's members.

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International Search Report and Written Opinion issued for PCT/US2007/079275, dated Mar. 21, 2008, 13 pages.
Press release dated Sep. 16, 2005, http://www.voith.de/press/539489.htm; last accessed Feb. 3, 2009, 2 pages.

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