Patent classifications
B60Y2400/73
POWER TRAIN FOR ELECTRIC VEHICLE
A power train for an electric vehicle may include an input shaft to which a motor is fixedly connected; a driving gear rotatably mounted on the input shaft; an output shaft disposed in parallel to the input shaft; a driven gear fixed to the output shaft and gear-engaged with the driving gear; a planetary gear set including first, second and third rotation elements wherein the first rotation element is fixedly connected to the input shaft and the second rotation element is fixedly connected to the driving gear, and the third rotation element is restrained from rotating; a friction clutch configured for selectively connecting the input shaft to the driving gear and configured for selectively connecting the input shaft to the driving gear; and a restraining device provided to the third rotation element to implement two states so that only one-way rotation of the third rotation element of the planetary gear set is restrained or two-way rotation thereof is restrained.
SANDWICHED GEAR TRAIN ARRANGEMENT FOR MULTIPLE ELECTRIC MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a first gear train that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a second carrier and a clutch engagement member. The electric powertrain further includes a sun gear in the form of a ring gear and planet gears in the form of a first output shaft. To provide a compact configuration, the first electric motor and the first gear train are sandwiched between the sun gear and the planet gears.
OUTPUT GEARING FOR A DUAL MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
TRANSMISSION AND VEHICLE WITH TRANSMISSION
The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprises multiple elements. The input shaft, the two output shafts, the planetary gear sets, as well as the elements thereof are arranged and designed such that—a torque introduced via the input shaft is converted and is distributed to the two output shafts in a defined ratio, and the development of a sum torque is prevented. At least one element of the first planetary gear set is rotationally fixed to another element of the second planetary gear set. Another element of the second planetary gear set is secured to a rotationally fixed component.
TRANSMISSION, POWERTRAIN, AND VEHICLE
The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprise multiple elements, wherein the first output shaft is rotationally fixed to a second element of the first planetary gear set, the second output shaft is rotationally fixed to a third element of the second planetary gear set, a third element of the first planetary gear set is rotationally fixed to a first element of the second planetary gear set via a shaft, and a second element of the second planetary gear set is secured to a rotationally fixed component. The transmission additionally comprises a third planetary gear set comprising three elements and two shift elements, wherein a first shift element is designed to block the third planetary gear set by connecting two elements of the third planetary gear set in a rotationally fixed manner, a second shift element is designed to secure a first element of the third planetary gear set to the rotationally fixed component, a second element of the third planetary gear set is rotationally fixed to the first element of the first planetary gear set via an intermediate shaft, and a third element of the third planetary gear set is rotationally fixed to the input shaft.
VEHICLE ELECTRIC DRIVE AXLE
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, an electric motor-generator, a gearbox, and a differential. The gearbox comprises a planetary gear set that includes a sun gear configured to rotate on a sun gear shaft directly coupled to a rotor of the electric motor-generator and an intermediate shaft that includes an idler gear rotationally coupled to a pinion gear that is rotationally coupled to the carrier.
Clutch configurations for a multiple motor mixed-speed continuous power transmission
An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The clutch in one variation includes a positive clutch in the form of a dog clutch. The dog clutch has a clutch suspension configured to deflect a clutch collar when gearing is misaligned during shifting.
POWER TRANSMISSION DEVICE
A power transmission device includes a motor having a motor shaft, a transmission mechanism, a reduction gear, and a case member. The transmission mechanism is connected downstream of the motor. The transmission mechanism has a band brake, and an actuator. A reduction gear is arranged downstream of the transmission mechanism. The case member houses the motor, at least a part of the transmission mechanism, and the reduction gear. The case member has an outer circumference wall that surrounds an outer circumference with respect to a radial direction perpendicular to a rotation axis of the motor shaft, and a side wall that is linked to the outer circumference wall, and that extends outwardly in the radial direction from the outer circumference wall. The actuator is provided adjacent to the outer circumference wall, and adjacent to the side wall, the actuator overlapping with the band brake in the radial direction.
DRIVE SYSTEM FOR HYBRID MOTOR VEHICLE WITH CONVERTIBLE DIRECT THROUGH-DRIVE FOR A WHEEL, AND MOTOR VEHICLE
A drive system for a hybrid motor vehicle with a motor shaft rotationally coupled to the output shaft of an internal combustion engine, a first and second electric motors with respective first and second rotor shafts arranged in a radially offset manner to each other, a drive part rotationally connected to the second rotor shaft and which can be rotationally connected to at least one wheel, and a transmission unit operatively installed between the motor shaft, the two rotor shafts, and the drive part. A shift device controls the shift position of the transmission unit such that the shift device rotationally connects the motor shaft to the first rotor shaft while the second rotor shaft is decoupled in a first shift position, the shift device rotationally connects the motor shaft both to the first and second rotor shafts in a second shift position, and the shift device rotationally connects the two rotor shafts together while the motor shaft is decoupled in a third shift position.
Transmission mounted electrical charging system with dual mode load and engine off motive load power
A system includes a PTO device that selectively couples to a driveline of a vehicle, a motor/generator electrically coupled to an electrical power storage system, and a shared load selectively powered by one of the driveline or the motor/generator. The PTO device further includes a coupling actuator that couples the shared load to the motor/generator at a first selected ratio in a first position, and couples the shared load to the driveline at a second selected ratio in a second position.