Joseph Sauer

Electronic control for a stepless vehicle transmission using a control member response to dynamic pressure

Hydraulic control system for servos in automatic transmissions

Gearshift method and apparatus

Elektromagnetisch betätigbares Druckregelventil

Electromagnetically-actuated vale e.g. for automatic transmission - has conical poles to increase effective air gap

Control for automatic transmission - uses torque-time curve with sections of different slope, to avoid jerking

Load regulated automatic transmission - has gearchange points set in relation to square of shaft speed

Hydraulic regulating device for load shifted gears

Stepless transmission control system - has electronic unit with mini-computer delivering signals to pressure regulator for varying pulley dia.

Method and apparatus for control of gear changing under load in a transmission