The invention relates to a method for controlling a powertrain of a pedal-vehicle propulsion assembly having a first motor and a second motor. The method comprises a step whereby a user interrupts and then resumes pedalling, a step of calculating a first speed at a defined point of the propulsion assembly, downstream of the differential system, as a function of the speed of the first motor and of the second motor, a step of calculating a second speed at the defined point of the propulsion assembly as a function of a measurement of the speed of the vehicle, a step of calculating a difference between the first speed and the second speed, a step of controlling a first motor of the powertrain using a control unit, the control unit controlling the first motor for speed, a step of controlling the second motor using the control unit when the difference between the first speed and the second speed is above a certain threshold, the control of the second motor compensating for at least the inertia of at least part of the powertrain, and a step of controlling the second motor using the control unit with a torque setpoint corresponding to the level of assistance only when the difference between the first speed and the second speed is below a certain threshold. The invention also relates to a powertrain and to a pedal-vehicle.
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
2.
POWERTRAIN, VEHICLE, CONTROL METHOD AND ASSEMBLY METHOD
The invention relates to a powertrain (1) of a pedal-vehicle propulsion assembly, the powertrain comprising a differential system, a first electric motor (40) and a second electric motor (50), and an electronic board (19) supporting at least one control unit (19) capable of controlling the first motor and the second motor. The first motor and the second motor respectively have an output shaft (402, 502) driven by a rotor, each output shaft driving a shaft-mounted pinion (101, 54). The powertrain is such that the output shaft (402) of the first motor and the output shaft (502) of the second motor extend through a plane (80) comprising a face of the electronic board (19), the shaft-mounted pinion (101) driven by the first motor and the shaft-mounted pinion (54) driven by the second motor being on the same side of the plane.
B62M 6/50 - Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
B62J 45/42 - Sensor arrangementsMounting thereof characterised by mounting
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
F16H 57/023 - Mounting or installation of gears or shafts in gearboxes, e.g. methods or means for assembly
A drive unit comprising: a hub housing at a wheel, a first and second motor comprising: a first and second active body configured to generate a first and second electromagnetic field for generating a relative rotation between the first and second reactive body and the first and second active; wherein the first and second active body are arranged radially outward of the first and second reactive body, and fixed to the hub housing, wherein the hub housing and the first and second active body rotate together at a housing rotation speed.
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 11/30 - Structural association with control circuits or drive circuits
H02K 13/00 - Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windingsDisposition of current collectors in motors or generatorsArrangements for improving commutation
H02K 16/00 - Machines with more than one rotor or stator
B62J 6/06 - Arrangement of lighting dynamos or drives therefor
B62M 6/60 - Rider propelled cycles with auxiliary electric motor power-driven at axle parts
A vehicle drive system comprising: a housing; a continuously variable transmission system; a first electric motor connected to the continuously variable transmission system and a second electric motor connected to the continuously variable transmission system, the first electric motor and the second electric motor being arranged coaxially; and at least a first control unit for controlling the first electric motor and the second electric motor; wherein the first control unit, the first electric motor, and the second electric motor are arranged inside the housing.
The invention relates to a method for controlling a powertrain (1), the powertrain comprising a differential system (10), a first motor (40), a second motor (50), a control unit (22), an input body (11) connected to the differential system, and an output body (13) driven by the differential system. The method comprises a first operating mode in which the control unit determines a rotational speed control setpoint for the first motor and determines a torque control setpoint for the second motor and comprises a second operating mode in which the control unit determines only a torque control setpoint for the first motor and/or for the second motor, the speed ratio between the output body and the input body being mechanically fixed. The invention also relates to a powertrain and to a vehicle.
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 6/60 - Rider propelled cycles with auxiliary electric motor power-driven at axle parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
B62M 11/16 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
6.
TENSIONING DEVICE, DRIVE SYSTEM, VEHICLE AND TENSIONING METHOD
The invention relates to a device (10) for tensioning a deformable transmission element, comprising a means (18) for adjusting the tension in the transmission element, and a resilient member (20), the adjustment means (18) being movable through a first stroke, the device being capable of tensioning the transmission element (12) with a first tension by way of the resilient member (20), the deformation whereof is limited, and, beyond the first stroke, through a second stroke, the device being capable of tensioning the transmission element (12) with a second additional tension by way of the adjustment means (18), the second stroke depending on the second tension to be applied in the transmission element (12). The invention further relates to a transmission system, a vehicle and a tensioning method.
The invention relates to a propulsion system (1) for a pedal vehicle. The propulsion system (1) comprises a power unit (1) allowing the power originating from a bottom-bracket axle (2) to be combined with the power from two motors (40, 50), a first deformable transmission element (23) allowing the transmission of power to the rear wheel (73) and a casing assembly (19) enclosing particularly the first deformable transmission element (23) and the power unit (1), with the exception of part of the bottom-bracket axle (2).
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
A power train of a pedal vehicle includes a crankset axle and a first output plate having a first axis of rotation. The first output plate is coupled with a transmission chain or belt so as to drive the rear wheel of the pedal vehicle. The coupling between the crankset axle and the transmission chain or belt extends through a planetary gear train which rotates about a second axis of rotation. The crankset axle is further coupled to the first output plate by a first free wheel (16) which is arranged to prevent the first output plate from rotating slower than the crankset axle when the crankset axle rotates in the normal pedalling direction.
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
B60L 50/20 - Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
B62M 6/70 - Rider propelled cycles with auxiliary electric motor power-driven at single endless flexible member, e.g. chain, between cycle crankshaft and wheel axle, the motor engaging the endless flexible member
A power train for a pedal vehicle includes a main output chainring and a secondary output chainring coupled to the crankset shaft by a first freewheel. The crankset shaft is coupled to the main output chainring via a deformable transmission element and an epicyclic gear.
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
B62M 6/50 - Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
The invention relates to a power train (1) for a pedal vehicle. The power train (1) comprises a crankset axle (2) and a first output plate (4) having a first axis of rotation (30). The first output plate (4) is connected to a transmission chain or belt (23) so as to drive the rear wheel of the pedal vehicle. The connection between the crankset axle (2) and the transmission chain or belt (23) extends through a planetary gear train which rotates about a second axis of rotation (31). The crankset axle (2) is further connected to the first output plate (4) by a first free wheel (16) which is arranged to prevent the first output plate (4) from rotating less rapidly than the crankset axle (2) when the crankset axle (2) rotates in the normal pedalling direction.
B60L 50/20 - Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 6/70 - Rider propelled cycles with auxiliary electric motor power-driven at single endless flexible member, e.g. chain, between cycle crankshaft and wheel axle, the motor engaging the endless flexible member
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
F16D 41/24 - Freewheels or freewheel clutches specially adapted for cycles
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
The invention relates to a power train (1) for a pedal vehicle. Said power train (1) comprises a main output plate (3) and a secondary output plate (4) coupled to the bottom bracket (2) via a first freewheel (16). The coupling between the bottom bracket (2) and the main output plate (3) goes through a deformable transmission element (15) and an epicyclic gear train.
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
The present invention concerns a power train (1) for a pedal vehicle. The power train (1) comprises a crankset axle (2) and an output plate (3) turning about a first axis of rotation (25). The coupling between the crankset axle (2) and the output plate (3) passes via an epicycloidal train comprising a ring gear (11), a satellite carrier (12) and a planetary gear (13) which turns about a second axis of rotation (15) that is offset in space with respect to the first axis of rotation (25).
B62M 6/50 - Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
Powertrain for a pedal vehicle Powertrain for a pedal vehicle comprising a first (20) and a second (4) motor as well as an planetary gearing (3) having a planet carrier (14, 114), a ring gear (12, 112) and a sun gear (13), which first motor (20) is connected to the planetary gearing (3), which powertrain also comprises a crank axle (11) to which the ring gear (12, 112) is connected to create a first input to the planetary gearing (3), the second motor (4) is geared to the crank axle (11), a control unit (6) being designed to regulate the first motor (20) according to an angular position setpoint, and the second motor (4) according to a current or torque setpoint.
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
Powertrain for a pedal vehiclePowertrain for a pedal vehicle comprising a first (20) and a second (4) motor as well as an planetary gearing (3) having a planet carrier (14, 114), a ring gear (12, 112) and a sun gear (13), which first motor (20) is connected to the planetary gearing (3), which powertrain also comprises a crank axle (11) to which the ring gear (12, 112) is connected to create a first input to the planetary gearing (3), the second motor (4) is geared to the crank axle (11), a control unit (6) being designed to regulate the first motor (20) according to an angular position setpoint, and the second motor (4) according to a current or torque setpoint.
Motive power unit for a pedal vehicle, comprising a first and second motor, the latter being meshed on the bottom-bracket spindle and the first motor being connected to a sun gear, a planet holder being connected to an output sprocket of the motive power unit, which comprises a measuring element arranged to produce a measurement signal indicating a torque supplied by the first motor and a control unit producing a speed control signal to be supplied to the first motor and a torque control signal to be supplied to the second motor on the basis of the angular velocities of the motors.
B62M 11/14 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 6/50 - Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
The invention relates to a power train for a pedal vehicle, comprising a first motor and a second motor, the second motor being engaged with the axle of the crankset and the first motor being connected to a planetary gear. A planet carrier is connected to an output plate of the power train, which comprises a measuring element arranged so as to produce a measuring signal indicating torque supplied by the first motor and a control unit producing a velocity control signal to be supplied to the first motor and a torque control signal to be supplied to the second motor on the basis of the angular velocities of the motors.
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