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US 11,692,617 B2Granted
Multi-speed gearbox and the drive axle made therewith
AssigneeDana Automotive Systems Group, LLC
InventorEric M. Engerman
Life of this patent
Estimating the term…
Abstract
A drive axle of a vehicle includes an electric motor having an output shaft. At least one of a gear and a planetary gear set is operably connected to the output shaft of the electric motor. The at least one of the gear and the planetary gear set is operably connected to a differential configured to transfer torque to two axle half shafts of the vehicle. At least one clutch configured to facilitate a plurality of gear ratios between the electric motor and the differential.
Claims13
A drive axle, comprising:
- an electric motor having an output shaft;
- a first gear positioned on the output shaft;
- a first idler shaft;
- a second gear positioned on the idler shaft and engaged with the first gear;
- at least one clutch selectively engaged with a gear of the output shaft or the idler shaft, the at least one clutch movable between a first position to select a first gear ratio and a second position to select a second gear ratio;
- a differential engaged with two axle half shafts;
- a third gear positioned on the output shaft and a fourth gear positioned on the first idler shaft and engaged with the third gear;
- and
- a second idler shaft and a fifth gear of the second idler shaft engaged with a gear of the first idler shaft.
6 more elements
A drive axle, comprising:
- an electric motor having an output shaft;
- a first gear positioned on the output shaft;
- a first idler shaft;
- a second gear positioned on the idler shaft and engaged with the first gear;
- at least one clutch selectively engaged with a gear of the output shaft or the idler shaft, the at least one clutch movable between a first position to select a first gear ratio and a second position to select a second gear ratio;
- a differential engaged with a gear of the idler shaft and with two axle half shafts;
- a third gear positioned on the output shaft and a fourth gear positioned on the first idler shaft and engaged with the third gear;
- and
- a second idler shaft and a fifth gear of the second idler shaft engaged with a gear of the first idler shaft.
6 more elements
Dependencies are inferred from the claim text.