Quinn Law Group, PLLC
Transmission with substantially identical gear sets for torque load sharing
A transmission has an input member and an output member, first and second intermediate shafts having substantially identical gear sets with gears concentric with and selectively connectable for rotation with the first and second intermediate shafts, respectively. Output gears are concentric with and rotatable with the output member and mesh with the substantially identical gear sets. First and second torque-transmitting devices are operable for transmitting torque from the input member to the first and second intermediate shafts, respectively. Torque-transmitting mechanisms are mounted concentric with, rotatable about and selectively engagable with the gears mounted on the intermediate shafts. A controller is operatively connected to the torque-transmitting mechanisms and to at least one of the torque-transmitting devices. The torque-transmitting mechanisms and torque-transmitting devices may be engaged such that torque is carried substantially equally by both intermediate shafts during a speed ratio established between the input member and the output member.
GM Global Technology Operations LLC
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Alan G.
Holmes