Patent classifications
F16H37/084
Driveline for electrified vehicle
An electrified vehicle includes a front axle, a rear axle, an engine, a pump, a battery, a first electric motor electrically coupled to the battery, a second electric motor electrically coupled to the battery and configured to drive at least one of the front axle or the rear axle, a first clutch positioned between the engine and the first electric motor, and a second clutch positioned between the first electric motor and the pump. With the first clutch engaged and the second clutch disengaged, the engine is configured to drive the first electric motor to generate electricity to charge the battery. With the first clutch disengaged and the second clutch engaged, the first electric motor is configured to drive the pump. With the first clutch engaged and the second clutch engaged, the engine is configured to drive the pump.
Multi-mode electromechanical variable transmission
A drive system includes a first gear set and a second gear set, each including a sun gear, a ring gear, a plurality of planetary gears coupling the sun gear to the ring gear, and a carrier rotationally supporting the plurality of planetary gears, a first electrical machine coupled to the first gear set, a second electrical machine coupled to the second gear set, a connecting shaft coupling an engine to the first gear set, a driveshaft configured to transport power from the first electrical machine, the second electrical machine, and the engine to a tractive element of the vehicle, and a clutch selectively rotationally coupling the first carrier and the second carrier to the driveshaft when engaged.
IVT based on a ball-type CVP including powersplit paths
A variable transmission includes an input shaft, two planetary gear sets, a first planetary set on the input side of a variator, and a second planetary set on the output side of the variator, to split the torque drivingly engaged with a variator comprising, a first ring assembly, a second ring assembly; various arrangements of brakes and clutches; a gearbox; and the output shaft to produce transmissions with continuously variable or infinitely variable torque output ratios.
CONTINUOUSLY VARIABLE TRANSMISSION DRIVE SYSTEM FOR ELECTRIC VEHICLES WITH IMPROVED DRIVING PERFORMANCE AND ENERGY EFFICIENCY
The invention of continuously variable transmission drive system for an electric vehicles comprises s housing 210, a first motor 220 and a second motor 230, a first gear assembly 240 including a sun gear 241 having a main input shaft 241a connected to the rotational shaft of a first motor 220, an inner ring gear 242 arranged circumferentially around the sun gear 241, a plurality of planetary gears 243 arranged between the sun gear 241 and the inner ring gear 242, and a carrier 244 having an output shaft 244a connected to the rotational shafts of the plurality of planetary gears 243, and a second gear assembly 250 including a sub-drive gear 251 having a sub-input shaft 251a connected to the rotational shaft of a second motor 230, an outer ring gear 252 forming one body with the outer side of an inner ring gear 242, and an idler gear 253 transmitting the rotational driving force of the second motor 230 to the outer ring gear 252.
Transmission arrangement and agricultural towing vehicle
A transmission arrangement for a drivetrain of an agricultural towing vehicle includes an input shaft, an output shaft, a transmission device, a transmission unit, and an electric machine. The transmission device includes a mechanical transmission branch and a variable transmission branch with a magnetic-electrical epicyclic transmission stage having an internal rotor, an external stator, and an interposed rotatable magnetic modulation ring being rotationally conjointly connectable to a clutch drive shaft. The transmission unit is arranged downstream in the power flow and includes a first clutch and a second clutch connected to the clutch drive shaft and at least four gear sets for establishing at least four gear ratio stages. The electric machine is coupled to the input shaft and configured to transmit electrical power to the external stator, which is configured to rotate the modulation ring.
Continuously variable transmission drive system for electric vehicles with improved driving performance and energy efficiency
The invention of continuously variable transmission drive system for electric vehicles comprises a housing 210, a first motor 220, a second motor 230, a first gear assembly 240 including a sun gear 241 having a main input shaft 241a connected to a first motor 220, an inner ring gear 242 arranged around the sun gear 241, planetary gears 243 arranged between the sun gear 241 and the inner ring gear 242, and a carrier 244 having an output shaft 244a connected to the shafts of the planetary gears 243, and a second gear assembly 250 including a sub-drive gear 251 having a sub-input shaft 251a connected to a second motor 230, an outer ring gear 252 forming one body with the outer side of the inner ring gear 242, and an idler gear 253 transmitting the driving force of the second motor 230 to the outer ring gear 252.
Driveline for electrified vehicle
A driveline for an electrified vehicle includes an engine, a pump, a first electric motor, a second electric motor configured to drive a tractive assembly of the electrified vehicle, a first clutch positioned between the engine and the first electric motor, and a second clutch positioned between the first electric motor and the pump. With the first clutch engaged and the second clutch disengaged, the engine is configured to drive the first electric motor to generate electricity to charge a battery of the electrified vehicle. With the first clutch disengaged and the second clutch engaged, the first electric motor is configured to drive the pump. With the first clutch engaged and the second clutch engaged, the engine is configured to drive the pump.