Automatic stepless transmission apparatus and method thereof

Drive device for manually driving a blind comprising an...

In-series automatic transmission modules directly responsive to

Mechanical automatic transmission directly responsive to torque

Multi-disc coupling device, an automatic transmission equipped t

Torque maximizing controlled slip gear drive

Trans-planetary mechanical torque impeller

Transmission and constant speed accessory drive

Transmission and constant speed accessory drive

Transmission and method of shifting a transmission

Transmissions

Variable drive transmission

Variable-ratio transmission device, especially for motor vehicle

Wet multi-disk coupling device, and an automatic transmission eq