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US 10,871,204 B2Granted
Manual transmission unit with traction gear
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorThomas Schleich
Life of this patent
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Abstract
A manual transmission unit has at least one input shaft, a transmission output shaft, a first intermediate shaft, a second intermediate shaft, a traction device, a plurality of gears and at least two traction wheels and a plurality of torque transmission devices for selectively connecting tooth and traction wheels to at least one of the shafts. Torque from the transmission input shaft can be transferred directly to the transmission input shaft by the traction device.
Claims16
A manual transmission unit, comprising:
- a plurality of transmission shafts, including:
- a transmission input shaft, a first intermediate shaft, a second intermediate shaft, and a transmission output shaft, each transmission shaft having arranged thereon a respective pair of gearwheels of a plurality of gearwheels, wherein each pair of gearwheels of the intermediate shafts is associated with a respective torque transmission device that selectively connects the associated pair of gearwheels to the respective intermediate transmission shaft on which the pair of gearwheels is arranged;
- and
- a traction device comprising an endless belt and at least two traction wheels, wherein the traction device is associated with a traction torque transmission device that selectively connects a first traction wheel of the at least two traction wheels to at least one of:
- the transmission input shaft and the transmission output shaft, such that a torque is transmittable directly from the transmission input shaft to the transmission output shaft by way of the traction device, wherein the traction torque transmission device actuates only one gear of the manual transmission unit.
2 more elements
Dependencies are inferred from the claim text.