Patent ID: 6379276
Filing Date: 2002-04-30
Classification: F16H

Abstract:
A bi-power transmission mechanism comprising:a first power unit, said first power unit comprising a motor having a motor shaft, a worm fixedly mounted on said motor shaft, an input shaft, and a worm gear fixedly mounted on said input shaft and meshed with the worm of said first power unit; a second power unit, said second power unit comprising a motor having a motor shaft, a worm fixedly mounted on the motor shaft of the motor of said second power unit, a worm gear supported on the input shaft of said first power unit and meshed with the worm of said second power unit and an internal gear fixedly fastened to the worm gear of said second power unit at one side; and a planetary gear train, said planetary gear train comprising a center gear fixedly fastened to one end of the input shaft of said first power unit for synchronous rotation with said input shaft, a rack, a plurality planet gears equiangularly mounted on said rack and meshed with said center gear, and an output shaft fixedly mounted on said rack.