Patent ID: 6758785
Filing Date: 2004-07-06
Classification: F16H

Abstract:
A transmissions comprising:an input shaft; an output shaft; a transmission housing; a first planetary gearset having a first member, a second member, and a third member; a second planetary gearset having a first member, a second member, and a third member; a third planetary gearset having a first member, a second member, and a third member; a first interconnecting member continuously interconnecting said first member of said first planetary gearset with said first member of said second planetary gearset, and said first member of said third planetary gearset; a second interconnecting member continuously interconnecting said second member of said first planetary gearset with said second member of said second planetary gearset; said second member of said third planetary gearset being continuously interconnected with said transmission housing; said output shaft being continuously interconnected with said third member of said first or third planetary gearsets; and said input shaft being non-continuously interconnected with members of said planetary gearsets; six selectively engageable torque-transmitting mechanisms operable in combinations of two to establish at least seven forward speed ratios and one reverse speed ratio between said input shaft and said output shaft.