Continuously variable stepped transmission

A continuously variable transmission for use with motor vehicles includes an ECU, an automated gear unit, a variator, an input gear set, an input fixed ratio element and an output fixed ratio element. The automated gear unit has multiple selectively engaged gear ratios and engages one of the gear ra...

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Bibliographic Details
Main Author MORSCHECK TIMOTHY J
Format Patent
LanguageEnglish
Published 17.01.2006
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A continuously variable transmission for use with motor vehicles includes an ECU, an automated gear unit, a variator, an input gear set, an input fixed ratio element and an output fixed ratio element. The automated gear unit has multiple selectively engaged gear ratios and engages one of the gear ratios responsive to commands from the ECU. The variator varies a ratio of torque between its input and outout shafts responsive to commands from the ECU. The variator output shaft is connected to the gear unit input shaft. The input gear set is connected to the variator input shaft. The input fixed ratio element reduces torque from the input gear set to the variator, and is disposed between the input gear set and the variator input shaft. The output fixed ratio element increases the torque from the variator, and is disposed between the variator output shaft and the gear unit input shaft.
Bibliography:Application Number: US20030695314