Transmission for a vehicle
AssigneeVolvo Truck Corporation
InventorJohan Folkesson
Life of this patent
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AssigneeVolvo Truck Corporation
InventorJohan Folkesson
Estimating the term…
A transmission provides nine forward gears from the first gear to the ninth gear, including a first and a second planetary gear set configured axially in series, each planetary gear set configured to provide a first and a second forward speed reduction and one direct speed with a one to one (1:1) speed ratio, the first forward speed reduction being larger than the second forward speed reduction, wherein each planetary gear set is individually shiftable between three forward speeds with different speed ratios. The transmission is configured to provide the first to third gears by utilizing the first speed reduction of the second set, the fourth to fifth gears by utilizing the first speed reduction of the first set, the sixth to seventh gears by utilizing the second speed reduction of the first set, and the eighth to ninth gears by utilizing the direct speed of the first set.
A transmission for a vehicle, wherein the transmission is configured to provide nine forward gears in sequence from the first gear to the ninth gear, the transmission comprising:
Dependencies are inferred from the claim text.