Patent ID: 6146305
Filing Date: 2000-11-14
Classification: F16H

Abstract:
A power transmission comprising:an input shaft operatively connected with a power source;an output shaft operative to deliver power from the transmission;a first simple planetary gear set having a sun gear member, a ring gear member, and a carrier assembly member;a second simple planetary gear set having a sun gear member, a ring gear member, and a carrier assembly member;means for continuously interconnecting a first member of each of the first and second simple planetary gear sets;means including an interconnecting rotating torque-transmitting mechanism for selectively interconnecting a second member of each of the first and second simple planetary gear sets;said ring gear of said second simple planetary gear set being continually connected with said output shaft;a first selectively engageable rotating torque-transmitting mechanism disposed between said input shaft and a third member of said first simple planetary gear set;a second selectively engageable rotating torque-transmitting mechanism disposed between said input shaft and said continuous interconnecting means;a third selectively engageable rotating torque-transmitting mechanism disposed between said input shaft and said second member of said second simple planetary gear set;a first selectively engageable stationary torque-transmitting mechanism for selectively restraining rotation of said third member of said first simple planetary gear set;a second selectively engageable stationary torque-transmitting mechanism for selectively restraining rotation of said second member of said first simple planetary gear set and also restraining rotation of said second member of said second simple planetary gear set when said interconnecting rotating torque-transmitting mechanism is selectively interconnecting said second members of said first and second simple planetary gear sets; andsaid interconnecting torque-transmitting mechanism, said first, second, and third rotating torque-transmitting mechanisms, and said first and second stationary torque-transmitting mechanisms being selectively engaged in combinations of three during the transmission of power from the input shaft to the output shaft.