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Featured researches published by Sperber Ralf.


Archive | 2000

Zahnräderwechselgetriebe mit zwei Teilgetrieben mit je einer Lastschaltkupplung

Sperber Ralf; Woerner Guenter


Archive | 2001

Transmission for motor vehicle has oil pipe located completely inside oil-filled space of gear case, and electrical power is supplied to heater element in communication with oil pipe

Scholz Ulrich; Sperber Ralf


Archive | 2000

Multi-speed multi-path change-speed gearbox

Worner Gunter; Eberspacher Ralph; Rink Anton; Sperber Ralf


Archive | 2000

Mehrgängiges Mehrwege-Zahnräderwechselgetriebe

Eberspaecher Ralf; Rink Anton; Sperber Ralf; Woerner Guenther


Archive | 1999

Zahnräderwechselgetriebe mit zwei im kraftfluss parallel zueinander angeordneten teilgetrieben

Heinzel Markus; Sperber Ralf; Woerner Guenter


Archive | 1999

Kupplungszahn einer Schaltmuffe einer Zahnradkupplung zum Ankuppeln eines Zahnrades an seine Welle

Schetter Martin; Sperber Ralf


Archive | 2001

Change-speed gearbox with two component transmisions, each having a power-shift clutch

Sperber Ralf; Worner Gunter


Archive | 2005

Abstützeinrichtung für eine kardanwelle eines kraftfahrzeugs

Kerbel Andreas; Reetz Reinhard; Sperber Ralf


Archive | 2000

BOITE DE VITESSES A ENGRENAGES AYANT DEUX PARTIES A EMBRAYAGE INDIVIDUEL MANOEUVRABLE EN CHARGE, AINSI QUE PROCEDES DE COMMANDE D'UNE TELLE BOITE DE VITESSES

Sperber Ralf; Worner Gunter


Archive | 2000

Variable ratio automatic gearbox for automobile has 2 parallel drive trains each with intermediate shaft coupled to input shaft via switched clutch coupled to head gear for driving output shaft

Heinzel Markus; Sperber Ralf; Woerner Guenter

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