2071results about "Wheel based transmission" patented technology

An electric snowmobile has; a frame having a tunnel; a seat connected to the tunnel; at least one ski operatively connected to the frame; a drive track disposed at least in part under the tunnel; at least one drive sprocket drivingly engaging the drive track; an axle extending through the at least one drive sprocket and being coaxial with the at least one drive sprocket; an electric motor connected to the tunnel, an output shaft of the electric motor being coaxial with the axle, the electric motor being disposed to one side of the axle; a reduction gearset operatively connecting the output shaft of the electric motor to the at least one drive sprocket for driving the at least one drive sprocket; and a battery pack connected to the frame and electrically connected to the electric motor.

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.

Drive unit for a vehicle that can be operated by muscle power and / or motor power, in particular an electric bicycle, eBike, pedelec or S-Pedelec, comprising a rotor, a rotor shaft, a first bearing and at least one further bearing, and a shaft, wherein the drive unit has at least a single-stage worm gear or worm gear drive, wherein a worm is non-rotatably connected to the rotor shaft and has at least one helical thread, and a worm wheel which is non-rotatably connected to the shaft and is in mesh with the worm.

The utility model discloses an electric two-wheel wheel core staggered tightening overlying combined type speed reduction driving electric driving system which comprises a power assembly and a hub, the power assembly comprises a box body assembly, a motor assembly and a speed reduction transmission assembly, and the motor assembly and the speed reduction transmission assembly are both installed in the box body assembly. The box body assembly comprises a partition plate assembly, a motor shell assembly and a speed reducer box body assembly, wherein the motor shell assembly and the speed reducer box body assembly are installed on the two sides of the partition plate assembly through threaded fasteners respectively. By the adoption of the electric two-wheel wheel core staggered tightening and overlying combined type speed reduction driving electric driving system, the box body assembly is of a split type assembly structure, when parts are maintained and replaced, the whole box body assembly does not need to be disassembled, only local disassembly can be carried out, assembling and maintaining convenience is improved, maintaining cost is reduced, maintaining time is shortened, and the service life of the electric two-wheel wheel core is prolonged. All parts of the box body assembly can be reliably locked through the threaded fasteners, so that the structural strength and reliability of the box body assembly are ensured, and the convenience of disassembly and assembly is also ensured.

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.

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.

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.

An electric power generation unit for a bicycle comprises a pedal shaft with pedals and an electric generator with a rotor and a stator, wherein the axis of rotation of the rotor is arranged with a parallel offset to the pedal shaft. The electric power generation unit further comprises a gearbox configured to transmit torque from the pedal shaft to the rotor of the electric generator. The electric power generation unit further comprises a housing comprising at least the electric generator and the gearbox, and / or the axis of rotation of the rotor is arranged with a parallel offset to a powered wheel of the bicycle.

A planet carrier arrangement for a planetary gear system comprises a planet carrier (63) having a first support element (631) and a second support element (632) axially spaced from the first support element (631), a number of planet gears (62), and a coupling recess (634) in which a number of circumferentially spaced internal gear sectors (635) are provided. A number of support sections (636) are provided circumferentially between the internal gear sectors (635), the support sections (636) being located at least partially radially within an effective diameter of the internal gear sectors (635).Furthermore, an output element (71) is provided, to which a rotation of the planetary gear can be transmitted, wherein the output element (71) can be attached to the coupling recess (634) of the planet carrier (63) such that internal gear sectors (635) of the planet carrier (63) engage with external gear sectors (711) of the output element (71) to transmit a torque. The planet carrier arrangement is applicable in a drive system for a muscle-powered vehicle.

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).

A drive device (1) for a vehicle that can be propelled at least temporarily by muscle power comprises a housing (4), a pedal crankshaft (2) for receiving muscle power, an output shaft (3) for transmitting a drive force to a drive wheel of the vehicle, a drive motor (5) for providing a drive force, a planetary gear set (6), wherein the drive motor (5) is coupled to an input element of the planetary gear set (6), and a traction gear set (7) comprising a first traction gear (71) and a second traction gear (72) that are coupled to each other for power transmission. The first traction gear (71) is coupled to an output element of the planetary gear set (6), wherein the second traction gear (72) can be coupled to the output shaft (3). The pedal crankshaft (2) can be coupled to the output shaft (3) via a switchable transmission (8).

An automatic three-speed geared motor structure for a bicycle, comprising a central shaft (1), a three-speed geared structure, a planetary gear set (31), a motor housing module (6), and a hub motor module (66) for power output, characterized in that the three-speed geared structure includes a centrifugal clutch shifting mechanism (2) for changing the output mode, as well as a composite planetary ring (7) and a planetary gear set (31) for partial gear shifting; the motor housing module (6) includes a hub motor module (66) for providing electric assistance, wherein the hub motor module (66) is located outside the central shaft (1) within the motor housing module (6).

The proposed solution relates to a drive unit (A) for an electric bicycle (1), with a transmission device arranged in a drive housing (G) comprising at least one planetary gear stage (PG) having a sun gear (42), a planet carrier (51) and a ring gear (53), the gear ratio of which is adjustable by means of first and second electric motors (E1, E2) and via which a drive shaft (AT) and an output shaft (AW) are coupled to each other. Via a first element (WF1), which is supported at a first bearing point (GS1) of a sun gear shaft (4) on a part (G1) of a drive housing (G), the sun gear shaft (4) is axially preloaded in the direction of a second bearing point (GS2) of the sun gear shaft (4), while via a second element (WF2) the planetary gear stage (PG) is axially preloaded relative to the sun gear shaft (4) in the direction of the first bearing point (GS1).

To provide a component for a man-powered drive vehicle and a gear that are able to suppress a reduction in life.SOLUTION: A component for a man-powered drive vehicle includes a housing, and a mounting portion provided on the housing and configured to be attached to a support portion of the man-powered drive vehicle by a fastener; wherein the mounting portion includes: a metal base portion; metal coupling portion provided on the base portion and configured to be coupled to the fastener; and an intermediate portion provided between the coupling portion and the base portion; wherein the base portion includes a first material having a first standard electrode potential; wherein the coupling portion includes a second material having a second standard electrode potential; and wherein the intermediate portion has a third standard electrode potential and is formed of a third material in which a difference between the third standard electrode potential and the first standard electrode potential and the difference between the third standard electrode potential and the second standard electrode potential are each smaller than a difference between the first standard electrode potential and the second standard electrode potential or formed of a fourth material having an electric insulating property.SELECTED DRAWING: Figure 7

The invention relates to the technical field of motorcycles, and particularly discloses a light-weight electric motorcycle which comprises a frame, a battery, a transmission system, a walking system and a suspension system, the battery, the transmission system, the walking system and the suspension system are installed on the frame, the transmission system comprises a motor and a speed reduction assembly, the motor is fixed to the frame, and the speed reduction assembly is located outside the motor. The speed reduction assembly comprises a driving speed reduction wheel and a driven speed reduction wheel which are in transmission connection, the diameter of the driven speed reduction wheel is larger than that of the driving speed reduction wheel, the driving speed reduction wheel is fixed to an output shaft of the motor, and the driven speed reduction wheel is rotationally connected to the frame and used for driving wheels of the walking system to rotate. According to the scheme, the problem that a transmission part of an existing motorcycle with a speed reduction structure is large in weight is solved.

A motorcycle-reversing device incudes an internal rack, two ears, a power unit and a clutch. The internal rack is connected to a rim of a motorcycle. The ears are connected to a frame of the motorcycle. The power unit includes two bars, a movable box, a motor and a pinion. The bars are connected to the ears. The movable box includes two minor sleeves for receiving the bars. The motor is located in the movable box. The pinion is operatively connected to the motor. The clutch is pivotable to move the movable box between a first position where the pinion is engaged with the internal rack and a second position where the pinion is disengaged from the internal rack.

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.

Provided is a hub type driving device applicable to an electric bicycle of a throttle mode, a PAS mode, and a throttle and PAS combination mode, and an electric bicycle using same. The hub type driving device comprises: a housing having an accommodation space therein; a support shaft for penetrating to pass through the housing and of which both ends are fixed to a fork of the electric bicycle; first and second bearings for rotatably supporting the housing around the support shaft; an electric motor for generating a rotational force rotated around the support shaft; a derailleur for decelerating the rotational force of the electric motor; and a clutch for selectively transmitting an output of the derailleur to the housing. The derailleur is formed of a planetary gear device of a sun gear input, a carrier fixation, and a ring gear output mode.

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 power generation unit (100) for a bicycle (1000) comprises a pedal shaft (102) with pedals (104) and an electric generator (128) with a rotor (132) and a stator (130), wherein the axis of rotation of the rotor (132) is arranged parallel to the pedal shaft (102). The power generation unit (100) also comprises a gearbox (108, 116) configured to transmit torque from the pedal shaft (102) to the rotor (132) of the electric generator (128). The power generation unit (100) further comprises a housing (140) that includes at least the electric generator (128) and the gearbox (108, 116), and / or the axis of rotation of the rotor (132) is arranged parallel to a driven wheel of the bicycle (1000).

An arrangement for actuating at least one pawl (1) for locking or releasing a rotatable transmission component (2) for shifting a gear in a bottom bracket gearbox (3) of a bicycle or pedelec (4) is proposed, wherein the pawl (1) can be actuated via a first rotatably controlled cam ring (5) to engage a locking tooth (6) of the transmission component (2), wherein the transmission component (2) is associated with at least one friction brake which can be actuated via a second rotatably controlled cam ring (7), wherein the first cam ring (5) and the second cam ring (7) each have a cam track (8, 9) along their outer circumference for actuating the pawl (1) and the friction brake. Furthermore, a bottom bracket gearbox (3) with at least one arrangement and a bicycle or pedelec (4) with the bottom bracket gearbox (3) are proposed.

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.