Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 23, 2007
Patent Application Number
11238394
Date Filed
September 29, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A powertrain incorporates a multi-speed planetary transmission having four planetary gearsets and seven torque-transmitting mechanisms. The planetary gearsets are interconnected and controlled by the torque-transmitting mechanisms in combinations of two, such that eight forward speeds and three reverse speeds are developed between an input shaft and an output shaft of the transmission.
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