Transmission having at least ten speeds
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 5, 2012
app pub date -
Oct 5, 2010
filing date -
Oct 5, 2010
priority date (Note) -
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Abstract
A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.
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