1333results about "Wheel based transmission" patented technology

The motorcycle comprises a frame, a walking assembly, a power assembly, a transmission system and a reverse gear system, and the transmission system comprises a speed change assembly. The reverse gear system comprises a driving mechanism and a switching mechanism, the switching mechanism is arranged between the driving mechanism and the speed change assembly, the switching mechanism is in transmission connection with the driving mechanism, the driving mechanism comprises a driving motor and a driving part, at least part of the driving part is arranged on the driving motor and is in transmission connection with the driving motor, and the driving part is further in transmission connection with the switching mechanism; the driving motor can drive the driving part to rotate, transmission connection or separation between the switching mechanism and the speed change assembly can be driven through rotation of the driving part, and the rotating axis of the driving motor and the rotating axis of the driving part are not overlapped. Through the arrangement, the structure of the reverse gear system can be simplified, and the working efficiency of the reverse gear system is improved.

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.

The invention discloses an integrated electric motorcycle driving system which comprises a motor shell, a controller, a motor and a speed reducer are arranged in the motor shell, the controller and the speed reducer are located at the two ends of the motor respectively, and the inherent defects of a traditional electric motorcycle driving system are overcome by deeply integrating independent subsystems together. The motor has the advantages of high power density, low noise, small torque fluctuation, flexible configuration and the like, and meets the market demand.

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.

The invention relates to a device (19) for a muscle-powered vehicle (20), comprising an electric machine (8) with a rotor shaft (8.1), a gear (4) with at least one first helical gear (5) and a second helical gear (7) which mesh with one another, a pedal crankshaft (9) and a housing (10) for accommodating the electric machine (8), the gear (4) and essentially also the pedal crankshaft (9), wherein the first gear (5) is arranged on the pedal crankshaft (9) in a torque-transmitting manner, wherein the second gear (7) is arranged on the rotor shaft (8.1) in a torque-transmitting manner.1), wherein one of the two gearwheels (5, 7) is arranged to be axially displaceable and the other of the two gearwheels (7, 5) is arranged to support axial force, wherein at least one first friction surface (3) is arranged on at least one end face of the axially displaceable gearwheel (5), which is assigned to at least one second, stationary friction surface (2), so that when the pedal crankshaft (9) is driven in the direction of travel of the vehicle (20), the axially displaceable gearwheel (5) is displaced axially in such a way that the two friction surfaces (3, 2) come into contact and generate a friction torque.

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 bottom bracket gearbox for a micromobility vehicle (1) includes at least one shift element. Each shift element includes a shift ring (3) with an outer toothing (4). The shift ring assigned a shift pawl (5) for locking or releasing the shift ring (3) of the shift element. The shift ring being assigned to a gearbox component. At least one rotatably mounted shift drum (7) for actuating the assigned shift pawl (5) is axially parallel to a central axis of rotation of the gearbox (6). A shift actuator (8) is arranged in the interior of the shift drum (7), which is formed, at least partially or in sections, as a hollow shaft.

The invention relates to a device (1) for a muscle-powered vehicle (30), comprising an electric machine (2) with a stator (3) and a rotor (4), an eccentric gear (5) arranged coaxially to the electric machine (2), a pedal crank shaft (6) arranged on a common axis of rotation (7) with the electric machine (2) and the eccentric gear shaft (5), and a housing (8) for receiving the electric machine (2), the eccentric gear shaft (5) and essentially also the pedal crank shaft (6), wherein the eccentric gear shaft (5) comprises a planet carrier (9) with several carrier bolts (10) and at least one planetary roller (11.1, 11.2) rotatably arranged on the respective carrier bolt (10), and at least one eccentric wheel (12.1, 12.1).2) with several drive openings and a central eccentric receiving opening, a ring gear toothing (13) and an eccentric shaft (14), wherein a damper unit (15) with at least one spring (17) is arranged in the torque flow between the eccentric gear (5) and the electric machine (2).

An electronic component for an electric bicycle is provided. The electric bicycle includes a transmission. The electronic component includes a processor configured to identify an operating condition of the electric bicycle, determine transmission losses of the transmission of the electric bicycle based on the identified operating condition, and control an assist motor of the electric bicycle based on the determined transmission losses.

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 a centrally-mounted motor transmission system and a centrally-mounted motor, the centrally-mounted motor transmission system comprises a center shaft structure, a motor assembly and a speed reduction assembly, and the speed reduction assembly is arranged between the motor assembly and the center shaft structure; wherein an output gear is arranged on the middle shaft structure, a first clutch is arranged between the output gear and the middle shaft structure, a second clutch is arranged in the speed reduction assembly, and the first clutch is configured to transmit power to the output gear in a one-way mode from the middle shaft; the second clutch is configured to perform one-way transmission of power from the motor assembly to the middle shaft structure; in the power-assisted mode and the full-automatic mode, the motor drives the crank to rotate, so that discomfort to a rider is avoided; and the specific mounting positions of the first clutch and the second clutch are favorable for improving the compactness of the structure and improving the bearing moment, so that the running state between the clutch and the corresponding connecting structure is better.

A bicycle motor unit comprises an electric motor and a transmitting structure. The electric motor is configured to generate a driving force. The transmitting structure is coupled to the electric motor to transmit the driving force from the electric motor to an actuated device of a bicycle. The transmitting structure includes a first rotatable member, a second rotatable member, and a resisting structure. The first rotatable member is rotatable about a rotational axis. The second rotatable member is rotatable relative to the first rotatable member about the rotational axis. The resisting structure is at least partially provided radially between the first rotatable member and the second rotatable member with respect to the rotational axis so as to resist relative rotation between the first rotatable member and the second rotatable member.

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).

The invention discloses a double-speed motor structure for realizing two-gear speed change by utilizing positive and negative rotation of a motor rotor, and a speed ratio range required by smooth gear shifting. A planetary reducer of the motor comprises an input sun gear, a primary planet gear, a secondary planet gear, a gear ring, an output sun gear, two sets of one-way clutches and a planet carrier. Under the limit of the maximum vehicle speed of 32 km / h or 45 km / h, the two-gear speed ratio of the motor is set between 1.4 and 2.2, so that the motor is selected to actively shift gears within the vehicle speed range of 15-28 km / h. The planet carrier of the motor has a torque limiting function, so that reverse rotation can be unlocked after reverse rotation self-locking of wheels exceeds a set torque. Furthermore, the motor is provided with an oil storage bin and a drainage pipe, cooling oil under the action of centrifugal force is collected and reversely flows back to a motor shaft, and circulating lubrication and internal cooling are conducted on the gear and the motor.

The proposed solution relates in particular to a drive system for an electric bicycle (F) which can be operated in at least two different drive modes selectable by a rider of the electric bicycle (F), wherein the driving ranges (B1, B2, B3; B1', B2', B3') specified by the drive modes differ from each other in that the speed threshold at which the switch is made from a first driving range (B1, B1') to a second driving range (B2, B') in which a different relationship between cadence and driving speed is specified.

Drive unit (15) of an e-bike or pedelec, comprising an output shaft (19), a pedal crank shaft (16) operatively connected to the output shaft (16) to apply a rider-side torque to the output shaft (19), an electric machine (26) wherein a motor shaft (29) of the same is operatively connected to the output shaft (19) via at least one gear stage (30, 31) such that a motor-side torque can be applied to the output shaft (19) via the electric machine (26), a torque sensor (34) for detecting the rider-side torque, and a control device (36) coupled to the torque sensor (34) via a data transmission device (35) extending through a cavity or channel (38) in the at least one gear stage (30, 31) and through a cavity or channel (37) of the motor shaft (29) extends from the torque sensor (34) to the control device (36),and wherein the data transmission device (35) is designed as a rigid, rod-like projection of a printed circuit board (39) of the torque sensor (34), which is connected at one end of the printed circuit board (39) via a plug connection (40) to the control device (36), which on the one hand provides the signal-side coupling of the data transmission device (35) and thus of the torque sensor (34) with the control device (36) and on the other hand provides mechanical positioning in the axial direction of the motor shaft (29) and torque support of the data transmission device (35) and thus of the torque sensor (34).

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 invention relates to a device (19) for a muscle-powered vehicle (20), comprising an electric machine (8) with a rotor shaft (8.1), a gear (4) with at least one first helical gear (5) and a second helical gear (7) which mesh with one another, a pedal crankshaft (9) and a housing (10) for accommodating the electric machine (8), the gear (4) and essentially also the pedal crankshaft (9), wherein the first gear (5) is arranged on the pedal crankshaft (9) in a torque-transmitting manner, wherein the second gear (7) is arranged on the rotor shaft (8.1) in a torque-transmitting manner.1), wherein one of the two gearwheels (5, 7) is arranged to be axially displaceable and the other of the two gearwheels (7, 5) is arranged to support axial force, wherein at least one first friction surface (3) is arranged on at least one end face of the axially displaceable gearwheel (5), which is assigned to at least one second, stationary friction surface (2), so that when the pedal crankshaft (9) is driven in the direction of travel of the vehicle (20), the axially displaceable gearwheel (5) is displaced axially in such a way that the two friction surfaces (3, 2) come into contact and generate a friction torque.

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 present invention discloses a mid-mounted variable speed motor, which relates to the field of mid-mounted motors. The technical solution thereof includes a central axis mechanism, a power-assisted driving mechanism and a speed-changing mechanism, and also includes a gear-changing driving mechanism, wherein the gear-changing driving mechanism includes a speed superposition actuator component and a gear-changing motor for controlling the speed superposition actuator component. The present invention separates the gear-changing driving mechanism from the speed-changing mechanism, and then connects them by transmission. At the same time, the gear-changing driving mechanism uses a gear-changing motor to realize automatic adjustment of the gear position, which can match the automatic control of the motor, realize centralized control, and facilitate the operation of the rider, thereby improving the riding experience.

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.

The present invention relates to a method for operating a drive unit of an electric bicycle, wherein the drive unit comprises a motor and at least one gearbox which is mechanically coupled to the motor, wherein the gearbox comprises at least one gear pair with a first gear and a second gear, and wherein the motor is operated in a noise reduction operating mode in such a way as to achieve contact of forward tooth flanks of the gears by means of a certain relative torque between first gear and second gear.

The present invention relates to a continuously variable transmission for a bicycle. The continuously variable transmission for a bicycle can automatically shift gears continuously in response to changes in driving force and load according to the bicycle-riding environment without user intervention, recharges, by means of a generator, with power generated during riding and shifting, prevents reverse rotation of the central shaft, and also allows transmission to be manually controlled by means of a load-providing unit when necessary. To that end, the continuously variable transmission for a bicycle comprises: a transmission unit which receives rotational power from the central shaft, which is driven and rotated by a user, and automatically shifts gears in response to resistance when rotating, the rotational power being delivered in the order of a first carrier, a first planetary gear, a first ring gear, a first sun gear, and an output shaft; and a load-providing unit which is installed to engage with the transmission unit and selectively provides a load to the transmission unit. Therefore, the continuously variable transmission for a bicycle facilitates gear changes based on the bicycle-riding environment.

A cycloidal gear, an electric bicycle drive unit with cycloidal gear, a freewheel device for the drive unit, and a tachometer sensor device for the drive unit is disclosed. The cycloidal gear comprises a drive shaft device, an cam arrangement and an output shaft device, as well as at least one cycloidal disk device with cycloidal tooth arrangements and at least one opposing cycloidal device with opposing tooth arrangements. At least one of the cycloidal tooth arrangements and / or at least one of the opposing cycloidal tooth arrangements has a relief contour that is setback in relation to the respective profile along a clearance cut area that is arranged outside a load flank sub-area of the respective profile.