Gunter Hirt

Transmission with an electro-mechanical energy converter

Gear box e.g. spur gear change gear box such as drive input shaft powered by crankshaft especially for motor vehicle, also drive output shaft and possibly counter shaft and electric machine

Method of controlling a gear-shifting process

Transmission comprising at least two shafts and an electric motor or an automated clutch

Pressure medium operated selector of stepped speed change transmission has selector rod constructed at least partially hollow and communicates at least first pressure chamber with corresponding pressure line via hollow section

Schaltgabel mit Gleitschuh

Fluid actuated shift device of a transmission

Getriebe mit zumindest zwei Wellen und einer Elektromaschine oder einer automatisierten Scheibenkupplung

Dispositif de changement de vitesse pour une boîte de vitesses

Switching unit for variable-speed transmission, has guide tracks formed as individual guiding contacts projecting from plane of lateral surface, where guiding contacts section-wise contact with drivers during each shifting process