Automatic gear ratio reduction system

Automatic speed reducing ratio-switching apparatus

Automatic two-speed transmission for the drive of auxiliary unit

Continuously variable transmission utilizing variable viscous co

Device for transmitting torque between two rotatable shafts

Drive mechanism, in particular for motor vehicles

Driving force transmitting system

Four-wheel locking system for a motor vehicle

Geared traction unit

Hydrodynamic mechanical compound transmission

Infinitely variable ratio transmission

Motor vehicle gear wheel change transmission with a retarder bra

Multi-speed gearbox, in particular a six-speed gearbox

Oil pump with integral fast acting valve for controlling...

Planetary assembly with wet disk brake

Planetary gear system for controlling torque transfer in a...

Ratio change control method and related gear transmission device

Reversible variable speed transmission and transaxle having pres

Rotational power distribution and control system

Shmelkin's planetary fluid dynamic coupling