Transmission device with selectable motor connections
A transmission device for a powertrain system comprising a compound planetary gear set having four coaxial elements and a plurality of input nodes and an output node is described. The first input node is connected to an input shaft from an engine. The second input node is connected to a shaft of a first electrical machine. A plurality of input nodes are selectively connectable to a second electrical machine. The output node of the transmission device is connected to an output shaft of the transmission.
GM Global Technology Operations, Inc.
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Alan G.
Holmes