Otis Elevator Company

Yunyun Zhao

Jianguo Li

Jie Hu

Jiangxing Huang

Fengshu Yue

Hongmin Zhu

Shimao Chen

Jianye Yang

Jiawei Wu

Bingyin Cheng

Jinqi Yang

A direct-drive system for a passenger transportation apparatus, and a passenger transportation apparatus having same. The direct-drive system comprises: a motor comprising a motor output shaft, for providing power; a main drive shaft for transmitting the power to a passenger transportation portion of the passenger transportation apparatus; and a gear box comprising an input end connected to the motor output shaft and an output end connected to the main drive shaft respectively, and being used for transmitting the power, provided by the motor, to the main drive shaft, wherein the gear box comprises a plurality of gear pairs, and each of the gear pairs has a progressively decreasing gear slope along the direction from the input end of the gear box to the output end thereof.

Direct drive system for passenger conveyer device and passenger conveyer device

Growing community of inventors

Shanghai, China

Yunyun Zhao