Multi-speed gearbox, in particular a six-speed gearbox
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Mar 26, 2001
filing date -
Jun 26, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is relative to a multi-speed gearbox comprising a gearbox input shaft and a gearbox output shaft, a first mechanical gearbox portion, means for coupling this first mechanical part to the gearbox input shaft, and a starting element. The invention further comprises a second mechanical gearbox portion comprising at least one planetary gear set. A first gearbox element of the second mechanical gearbox portion is coupled to the first mechanical gearbox portion and the second gearbox outlet shaft. The starting element is designed as a brake device and associated with a second gearbox element of the second mechanical gearbox portion. The first mechanical gearbox portion has means for carrying out the individual gear steps, which can be controlled in such a manner that the transmissions in first gear and in reverse gear can be determined by the second mechanical gearbox portion.
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