972results about "Wheel based transmission" patented technology

A hub motor includes a housing rotatably disposed to a first shaft and a second shaft, and a motor installed in the housing and having a stator and a rotor. A reduction mechanism is installed in the housing, including a gear shaft connected with the rotor, a fixed bracket connected with the stator, a movable bracket disposed on the gear shaft and the second shaft, a first ring gear disposed to the fixed bracket, a second ring gear disposed to the housing, multiple first planet gears disposed to the movable bracket and meshed with the gear shaft and the first ring gear, and multiple second planet gears disposed to the second shaft and meshed with the movable bracket and the second ring gear. By 10 inserting a hollow tube into the first shaft, the gear shaft, the movable bracket, and the second shaft, the waterproof and dustproof performance can be enhanced.

A motorcycle that inhibits damage to a transmission and a clutch. The motorcycle includes: a drive motor; a transmission; a clutch that connects or disconnects power transmission between the transmission and the drive motor; a mechanical oil pump that is driven by the drive motor to supply a coolant to the drive motor and the transmission; and a control portion that drives the drive motor to supply the coolant to the drive motor and the transmission if an accelerator operation is not detected and a neutral state is detected, or if an accelerator operation is not detected and a disconnected state of the clutch is detected.

The utility model discloses an electric motorcycle driving system which comprises a rear bottom fork support connected with a motorcycle frame, a motor shell is arranged on one side of the rear bottom fork support, a controller, a motor and a speed reducer are arranged in the motor shell, and the controller and the speed reducer are located at the two ends of the motor respectively. An output shaft is arranged on the speed reducer, a hub is arranged on the output shaft, the output shaft is rotationally connected with the other side of the rear fork support, and the integrated driving system improves the overall transmission efficiency; meanwhile, the transmission proportion can be optimized, and the system efficiency is further improved; the cost of the driving system is reduced.

A drivetrain for a mobility vehicle includes: an electric motor and a gearshift device having a plurality of gear ratios between a first gear ratio and an upper gear ratio, the electric motor being connected to at least one output sprocket of the gear shift device.

The invention provides a mid-motor driving system and an electric moped. The mid-motor driving system comprises a torque sensor assembly, an output shaft assembly, a magnetic group assembly, a motor and a controller. Motor gear shafts of the motors are connected with the output shaft assemblies in a pairwise meshed mode through duplicate gears, and speed reduction is carried out on the sides of the output shaft assemblies; the output shaft assembly comprises a large gear, a one-way needle bearing, an output shaft, a third bearing, a ratchet wheel, a pawl, a ratchet ring and a tensioning piece. The torque sensor assembly is used for detecting the torque of the center shaft, the magnetic group assembly is used for detecting the rotating speed of a gear shaft of the motor, and the controller controls the torque and the rotating speed output by the motor according to the detected torque and the rotating speed. Two-stage speed reduction is adopted, and the high rotating speed of the motor rotor is converted into stable large-torque low-rotating-speed output of the output shaft. The duplicate gear is fixed through cooperation of the machine shell partition plate and the machine shell, so that the overall structure is more compact.

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).

A motorized vehicle includes a multi-speed transmission having a plurality of forward gears configured to be selectively engaged to drive the motorized vehicle, an internal combustion engine selectively coupled to the transmission, and a reverse drive system selectively coupled to the transmission to provide torque to drive the motorized vehicle in a reverse direction. The reverse drive system includes an electric motor and a reverse drive gear train configured to be selectively coupled to the transmission. The transmission includes a neutral position in which the internal combustion engine is decoupled from the transmission and freely rotatable relative to the transmission. The reverse drive gear train is configured to be operably coupled to the transmission when the transmission is in the neutral position, such that the reverse drive system is operable to drive the motorized vehicle in the reverse direction without interference from the internal combustion engine.

The utility model relates to the technical field of transmission, in particular to a double-motor stepless speed change electric drive system. The double-motor stepless speed change electric drive system comprises a first motor, a second motor, a planetary gear train, a pedal crankshaft, a sun wheel overrun clutch and a gear ring overrun clutch. The sun gear and / or the gear ring are / is set as power input, and the planet carrier is set as power output; a rotor of the first motor can be connected with the sun gear, and a rotor of the second motor can be connected with the gear ring through the gear ring overrunning clutch. The gear ring is locked by the gear ring overrun clutch and can only rotate in the forward direction. The pedal crank shaft is connected with the sun gear through the sun gear overrun clutch so that torque can only be transmitted from the pedal crank shaft to the sun gear. Therefore, the double motors can cooperate with the planetary gear train to jointly meet the speed change requirement.

A bottom bracket gear in planetary design for a bicycle or a pedelec (1), with a pedal crankshaft (WAn) as input and a transmission output shaft (WAb) as output and further shafts (W1, W2, W3, W4, W5, W6), with at least one stepped planetary gear set (StPS) and one planetary gear set (PS) as a manual transmission, and with at least five switching elements (B1, B2, B3, K1, K2, K3, K4) for realizing several gears (G1, G1.1, G1.2, G1.3, G1.4, G1.5, G2, G2.1, G2.2, G2.3, G3, G4, G5, G6, G7), wherein the pedal crankshaft (WAn) is connectable and / or connected on the drive side to at least one gear set element of the stepped planetary gear set (StPS) and / or the planetary gear set (PS), wherein the transmission output shaft (WAb) is connectable and / or connected on the output side to at least one gear set element of the stepped planetary gear set (StPS) and / or the planetary gear set (PS), and wherein at least two of the shifting elements (B1, B2, B3, K1, K2, K3, K4) are designed as a positive-locking brake and / or freewheel brake. Furthermore, a bicycle or pedelec (1) with a bottom bracket transmission is proposed.

The invention belongs to the technical field of bicycles, and discloses a power system for an electric power-assisted bicycle and the electric power-assisted bicycle. The power system for the electric power-assisted bicycle comprises a shell, a middle shaft, an electric power-assisted device and an electric speed regulation device, the middle shaft is rotatably installed on the shell, the electric power-assisted device comprises a power-assisted motor and a power-assisted transmission mechanism, and the middle shaft is rotatably installed on the shell; the electric speed regulation device comprises a speed regulation motor and a speed regulation transmission mechanism; the power-assisted transmission mechanism is matched with the power-assisted motor, the speed reduction and torque increase effects can be achieved, auxiliary force is provided for a rider, the riding difficulty of the rider is lowered, and the riding fatigue feeling of the rider is relieved; the rotating axis of the input end of the power-assisted transmission mechanism coincides with the rotating axis of the middle shaft, double-motor double-shaft driving can be achieved, the structure is more compact, and occupied space is smaller; the speed regulation transmission mechanism is driven by the speed regulation motor to drive the first output wheel to rotate, stepless speed change of the first output wheel can be achieved, no impact feeling exists in the speed change process, and the riding experience of a rider is improved.

The invention relates to a drive device (2) for a bicycle (1), comprising a pedal crank shaft (19), a first electric machine (18), a first partial transmission (6), a second electric machine (49), and a second partial transmission (7), wherein a first transmission element of the first partial transmission (6) is operatively connected to the first electric machine (18), wherein a second transmission element of the first partial transmission (6) is operatively connected to a second transmission element of the second partial transmission (7), wherein a third transmission element of the first partial transmission (6) is operatively connected to an output gear (8), wherein a first transmission element of the second partial transmission (7) is operatively connected to the second electric machine (49), and wherein a third transmission element of the second partial transmission (7) is fixed to a housing (3), and wherein a freewheel (14) is arranged between the pedal crank shaft (19) and the second transmission element of the first partial transmission (6).Furthermore, the invention relates to a bicycle (1) with such a drive device (2).

A bottom bracket gearbox includes a crank axle and a gearbox output shaft. The crank axle is connected to a second element of the first planetary gear set and connectable to a third element of the second planetary gear set via a fourth shift element and a second shaft. The gearbox output shaft is connected to a first element of the first planetary gear set and to a first element of the third planetary gear set. A third element of the first planetary gear set is connected to a second element of the second planetary gear set via a first shaft. A first element of the second planetary gear set is connected to a second element of the third planetary gear set via a third shaft. Two elements of the third planetary gear set are connectable via a fifth shift element to interlock the third planetary gear set.

The disclosure relates to a transmission system for a human powered vehicle, or light electric vehicle, comprising a crank housing, a crank axle, a front sprocket mounted to an output shaft concentric with the crank axle, and a transmission having an input connected to the crank axle and an output connected to the output shaft. The transmission comprises a planetary gear system, configured to be operated according one of a plurality of different selectable transmission ratios, mounted on a lay shaft which is offset and parallel to the crank axle, and an input transmission stage for transmitting torque from the crank axle to an input of the planetary gear system, wherein the input transmission stage has a speed increasing transmission ratio.

The utility model relates to the technical field of transmission, in particular to an electric driving system provided with a one-way bearing, which specifically comprises a box body, a first planetary gear train, a second planetary gear train, a first motor, a first motor shaft, a second motor, a second motor shaft, a fifth transmission wheel, an output wheel and a pedal shaft, at least one second planet shaft is connected with a fifth transmission wheel; the output wheel is in transmission fit with the fifth transmission wheel through the second transmission wheel; a third transmission wheel on the pedal shaft is in transmission fit with the gear ring; a second motor shaft of the second motor is arranged on the box body through a second bearing; the second bearing is a one-way bearing, so that the second motor shaft can only freely rotate in a preset direction; the third transmission wheel is sleeved on the pedal shaft through a first bearing; the first bearing is a one-way bearing so that torque can be input from the pedal shaft in a one-way mode. In this way, stepless speed change adjustment can be achieved through double-motor regulation and control, the overall structure is simple, and cost is lower.

A human-electric hybrid powertrain with a continuously variable transmission achieved with the use of a bevel planetary gearset. Two electric motors are utilized to produce a hybrid powertrain with either a driveshaft, chain, or belt driveline. The electric motors combine to produce an infinitely variable range of gear ratios and power assistance to the operator.

A stator ring-internal gear assembly for a transmission device comprising a planetary gear of a wheel hub drive for a vehicle, the assembly may include a stator ring of an electrically operable electric motor device of the wheel hub drive for providing a motor torque and an internal gear of the transmission device for translating the provided motor torque into a net torque. The stator ring and the internal gear may be directly fixed to one another by positive connection in a non-rotatable and tension-resistant manner. The stator ring and the internal gear may form a mono-lithic unit.

The invention relates to a drive device (2) for a bicycle (1), comprising a pedal crank shaft (19), a first electric machine (18), a first partial transmission (6), a second electric machine (49), and a second partial transmission (7), wherein a first transmission element of the first partial transmission (6) is operatively connected to the first electric machine (18), wherein a second transmission element of the first partial transmission (6) is operatively connected to a second transmission element of the second partial transmission (7), wherein a third transmission element of the first partial transmission (6) is operatively connected to an output gear (8), wherein a first transmission element of the second partial transmission (7) is operatively connected to the second electric machine (49), and wherein a third transmission element of the second partial transmission (7) is fixed to a housing (3), and wherein a freewheel (14) is arranged between the pedal crank shaft (19) and the second transmission element of the first partial transmission (6).Furthermore, the invention relates to a bicycle (1) with such a drive device (2).

Various personal mobility vehicles, such as scooters, are disclosed. The scooter can include at least one battery and motor for powering at least one driven wheel. The vehicle can include a gear assembly to convert a torque produced by the motor to a different torque to a driven shaft to power the at least one driven wheel. The battery can be removable.

There is provided a powertrain of a mid-drive electric bicycle that enables regenerative braking. The powertrain comprising a mid-drive electric motor, a chain rotatably connected to the mid-drive electric motor, a gearing system mounted in a rear wheel bub, the gearing system rotatably connected to the chain, a mechanical brake connected to a component of the gearing system, and a control system. During operation of the mechanical brake, the gearing system is configured to cause rotation of the chain in a backward direction opposite to the forward driving direction, which mechanically forces the mid-drive electric motor to rotate in the backward direction, to thereby regenerate electric energy. There is further provided a crankset configured to prevent rotation of pedals of the electric bicycle in a backwards driving direction during backwards rotation of the chain in braking mode.

A motorcycle (1000) comprises an engine (100), a frame (200), a walking system (300) and a suspension system (400), the engine (100) comprises a crankshaft (21), a balance shaft (22), an output gear (23), a balance gear (24), a main shaft (31), an auxiliary shaft (32), multiple sets of variable-speed driving gears (33) and multiple sets of variable-speed driven gears (34), and the output gear (23) is in meshing transmission with the balance gear (24) so as to drive the balance shaft (22) to rotate; a first plane (101) is determined by the axis of the main shaft (31) and the axis of the crankshaft (21), a second plane (102) is determined by the axis of the main shaft (31) and the axis of the auxiliary shaft (21), and an included angle theta of 0 degree lt is formed between the first plane (101) and the second plane (102); theta < lt >; and 180 degrees.

The present invention provides a control device for human-powered vehicles that can suppress abnormal noises, and components for human-powered vehicles. [Solution] The control device for a human-powered vehicle includes a motor, a first gear to which torque is transmitted from the motor, and a second gear that meshes with the first gear, and comprises a control unit configured to control the motor, wherein the control unit is configured to control the motor in a first control state in which, when a predetermined first condition is met, a first torque is transmitted to the first gear to suppress abnormal noise caused by backlash between the first gear and the second gear.

The utility model discloses a hybrid power system of a motorcycle, which comprises an engine, one end of a crankshaft component of the engine is connected with a clutch, the other end of the crankshaft component of the engine is connected with a starting and starting integrated motor, and a driven disc of the clutch is in transmission connection with a driving motor. An output shaft of the driving motor is in transmission connection with a rear wheel of the motorcycle through a speed reducer gear shaft assembly, and the starting and starting integrated motor and the driving motor are electrically connected with the storage battery. The utility model has the advantages that one end of the crankshaft component is connected with the clutch, the other end of the crankshaft component is connected with the starting integrated motor, the clutch, the crankshaft and the starting integrated motor are coaxially arranged, the structure is compact and reasonable, and the speed reducer gear shaft component in transmission connection with the rear wheel of the motorcycle is connected with the driving motor; according to the hybrid power system, the motorcycle has multiple modes through separation and reunion of the clutch, the power performance can be improved, and the purposes of energy conservation and emission reduction are achieved.

An electric drive unit (50) is mechanically connected to the input element (62) of a reduction gear (60) for applying a drive force. An output element (40) is mechanically connected to an output element (62) of the reduction gear (60) via a freewheel (20) for outputting a torque. The freewheel (20) has at least one pivotable clamping element (21) with a clamping surface (22) whose curvature is adapted to the curvature of an inner circumferential surface (24) of an outer ring (26) of the freewheel (20). The clamping surface (22) restricts the pivoting of the clamping element (21) to a locked position in which the clamping surface (22) is aligned along the inner circumferential surface (24). The clamping element (21) is designed to transmit a locking torque when the clamping element (21) is pivoted into the locking position, and to slip when the output torque to be transmitted is greater than the locking torque.

A torque transmission device for a drive unit of a bicycle includes a shaft having an opening extending through the shaft. The torque transmission device includes a lever having a seat, a foot, and a tooth. The lever is movably attached to the shaft, such that the seat of the lever is rotatable on a surface of the shaft at least partially defining the opening. The tooth of the lever is engageable with internal teeth of a gear disposable about the shaft, and the foot of the lever is engageable with a cam disposable within the shaft. The lever is movably attached to the shaft, such that the foot of the lever is biased away from the outer circumferential surface of the shaft. A distance between the seat and the foot is greater than a distance between the tooth and the seat.

A drive arrangement for a bicycle includes a pawl freewheel, the pawl freewheel having a first ring, at least two pawls movably mounted on the first ring, and a second ring having a toothing. The at least two pawls are unevenly spaced in the circumferential direction on the first ring. The drive arrangement further includes at least one sensor device configured to detect a deformation of the first ring of the pawl freewheel due to an applied drive force.

The present invention allows a user to ride a bicycle while lying with his / her face down, thereby lowering the center of weight and improving the driving stability, increasing the velocity by reducing the air resistance during driving, and increasing the generation of thrust by easily transferring the force of the user to pedals, and comprises: a frame provided with a front wheel and a rear wheel such that the user can ride while lying with his / her face down; and an acceleration means installed on the rear wheel and generating power and acceleration according to pedaling.

The invention relates to a bicycle drive (20) comprising an electric machine (22), a bottom bracket shaft (28), and a planetary transmission (26) with a first and a second planetary gear set (36, 38). A first and a second ring gear (40, 60) are fixed, and a first sun gear (44) forms the drive of the planetary transmission (26). A second planet carrier (62) forms the output of the planetary transmission (26). The bicycle drive (20) is designed to transmit a torque from the first planet carrier (42) to the second sun gear (64). Respective first and second planetary gears (46, 66) are designed as stepped planetary gears. The invention additionally relates to a bicycle.

A gear switching control device of an internal derailleur includes a plurality of planet gear speed change systems; a gear switching control unit; a plurality of axial ratchet control rings (21, 22, 23) for controlling action of a plurality of axial ratchets (17); said plurality of axial ratchets (17); and the plurality of axial ratchet control rings are serially connected by the same gear switching control unit; wherein the gear switching control unit comprises a track sleeve (2), one end of the track sleeve is installed with a force accept portion (2a) and another end thereof is installed with a linking rod (2b) which is used to serially connect the plurality of axial ratchet control rings; each of the axial ratchet control rings is formed with a respective connecting hole (21a, 22a, 23a); each axial ratchet control ring being installed with a cam or cam-like device (21b, 21c, 22b, 22c, 23b, 23c); said cams or cam-like devices each having a different operating moving range.

The disclosure relates to a bicycle transmission comprising an axle, such as a wheel axle or a countershaft in a crank transmission, configured to be non-rotatably fixed to a frame of the bicycle; at least one sun gear rotatably mounted about the axle; at least one clutch mechanism for selectively preventing rotation of the at least one sun gear in at least one direction of rotation about the axle; and a camshaft mounted inside the axle to actuate the at least one clutch mechanism.