Patent ID: 7946944
Filing Date: 2011-05-24
Classification: F16H

Abstract:
1. An electric continuously variable transmission, comprising: a first rotating plate mounted to a first shaft and provided with a sun gear; a second rotating plate to which a planetary gear unit is mounted; and a third rotating plate mounted to a second shaft, with a ring gear provided on a circumferential inner surface of the third rotating plate, wherein the transmission further comprises: a field unit, comprising: a first coil wound around a plurality of cores provided on a surface of the first rotating plate, wherein directions of winding the first coil around adjacent cores alternate, and the first coil is electrically connected to a power supply; and a generation coil unit, comprising: a second coil wound around a plurality of cores provided on a surface of the second rotating plate, wherein directions of winding the second coil around adjacent cores alternate, and the second coil is electrically connected to an electric load.