A transmission assembly is provided for a work vehicle powertrain having an engine delivering engine power to an input shaft. The transmission assembly includes a transmission assembly housing having a first housing side through which the input shaft extends and a second housing side; a continuously variable power source (CVP) at least partially contained within the transmission assembly housing; an input arrangement contained within the transmission assembly housing and having at least one input transmission component; a variator contained within the transmission housing with a first variator side oriented toward the first housing side and a second variator side oriented toward the second housing side and configured to receive the engine power and the CVP power through the input arrangement on the second variator side; and a transmission gear arrangement contained within the transmission assembly housing for transmission of output power from the variator to an output shaft.

A power train for an electric vehicle may include a planetary gear set including three rotation elements having a first rotation element, a second rotation element and a third rotation element, wherein the first rotation element is connected to a first shaft, the second rotation element is connected to a second shaft, and the third rotation element is connected to a third shaft; a first motor mounted to selectively supply power to the first shaft in two or more gear ratios; and a second motor mounted to selectively supply power to the first shaft in two or more gear ratios. The third shaft is configured to be fixed to a transmission housing, and any two of the first shaft, the second shaft, and the third shaft are configured to be coupled to each other.

A power train for an electric vehicle may include a planetary gear set including three rotation elements having a first rotation element, a second rotation element and a third rotation element, wherein the first rotation element is connected to a first shaft, the second rotation element is connected to a second shaft, and the third rotation element is connected to a third shaft; a first motor mounted to selectively supply power to the first shaft in two or more gear ratios; and a second motor mounted to selectively supply power to the first shaft in two or more gear ratios. The third shaft is configured to be fixed to a transmission housing, and any two of the first shaft, the second shaft, and the third shaft are configured to be coupled to each other.

A powertrain for an electric vehicle includes: a planetary gear including a first rotating element, a second rotating element, and a third rotating element, where the first rotating element is connected to a first shaft, the second rotating element is connected to a second shaft, and the third rotating element is connected to a third shaft; a first motor selectively supplying power to the first shaft at two or more gear ratios; and a second motor selectively supplying power to the first shaft and the second shaft. The third shaft is fixedly disposed on a transmission housing, and any two shafts among the first, second and third shafts restrain each other.

A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft and selectively connectable to the first input shaft, a third input selectively connectable to the first input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted, a planetary gear set, the second rotation element and one of the first and third rotation elements selectively connectable to the intermediate shaft, the first and third rotation elements connected to the third and second input shafts, a plurality of gear sets, a first synchronizer selectively receiving a torque from the second input shaft and transmitting the received first torque to the first output shaft, a second synchronizer selectively receiving a torque from the third input shaft and transmitting the received second torque to the second output shaft, and four clutches.

A transmission assembly is provided for a work vehicle powertrain having an engine delivering engine power to an input shaft. The transmission assembly includes a transmission assembly housing having a first housing side through which the input shaft extends and a second housing side; a continuously variable power source (CVP) at least partially contained within the transmission assembly housing; an input arrangement contained within the transmission assembly housing and having at least one input transmission component; a variator contained within the transmission housing with a first variator side oriented toward the first housing side and a second variator side oriented toward the second housing side and configured to receive the engine power and the CVP power through the input arrangement on the second variator side; and a transmission gear arrangement contained within the transmission assembly housing for transmission of output power from the variator to an output shaft.

A powertrain for an electric vehicle includes: a planetary gear including a first rotating element, a second rotating element, and a third rotating element, where the first rotating element is connected to a first shaft, the second rotating element is connected to a second shaft, and the third rotating element is selectively connected to a transmission housing; a first motor supplying power to the first shaft at all times; and a second motor selectively supplying power to the first shaft and the second shaft. Two rotating elements among the first, second, third rotating elements of the planetary gear are selectively connected to integrally rotate the entire planetary gear.

A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft mounted external to the first input shaft, a third input shaft mounted and external to the second input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted in parallel with the second output shaft, a planetary gear mounted on an axis of the intermediate shaft, a plurality of gear sets the first, and second output shafts, the idle shaft, and the planetary gear set, a first synchronizer mounted on the first output shaft, a second synchronizer mounted on the second output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the second output shaft, and four clutches each of which facilitating selective connection.

The present disclosure provides a power unit for a bionic robot, a robot joint and a robot. The power unit comprises: a shell, wherein a stator is embedded in the shell, a rotor is embedded in the stator, a rotor shaft is embedded in the rotor, bearings are disposed between the rotor shaft and the shell, a driving shaft is embedded in a central portion of the rotor shaft, a first driving wheel is disposed on the driving shaft, two transmission shafts are disposed in the rotor shaft, a first driven wheel and second driving wheels are disposed on each of the transmission shafts, the first driven wheel is engaged with the first driving wheel, a sun gear shaft is disposed in the rotor shaft, the sun gear shaft and the driving shaft are coaxially disposed, and a synchronizer and second driven wheels are disposed on the sun gear shaft.

A transmission may include a first input shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft, an idle shaft, and an output shaft, a planetary gear set mounted on the intermediate shaft and having first to third elements where the third element and one the first and second elements are selectively connectable to the intermediate shaft and the first and second elements are connected to the third and second input shafts, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers on the output shaft, receiving torques from the input shafts, and selectively transmitting the received torque to the output shaft, and four clutches.