45 results about "Motorized bicycle" patented technology

A motorized bicycle front derailleur assembly is provided that includes a motor unit, a front derailleur and a motor linkage. The motor unit is configured to rotate an output shaft in first and second opposite rotational directions. The front derailleur includes a fixing body configured to be mounted to a bicycle frame, inner and outer links pivotally coupled to the fixing body at first and second pivot points, and a chain guide pivotally coupled to the inner and outer links to move between an inner shift position and an outer shift position. The first pivot point is located laterally closer to a center plane of the bicycle frame than the second pivot point. The motor linkage is operatively coupled to the output shaft of the motor unit and the inner link to move the chain guide between the inner and outer shift positions upon rotation of the output shaft.

An auxiliary power system for a bicycle having a motor (10) attached to the bicycle flame (22) by thin clamps (30), which can be arranged in a variety of positions to avoid disturbing the control cables. Power is delivered on demand via a sprocket driving a single freewheel (180) attached to a modified left crank (200). The gearbox (20) may be attached to the frame by means of a quick-release system. A bushing (600), (700), (820) may be used instead of a modified as a means of mounting the freewheel to the crank axle. (720), (610), (850b). To prevent accidental simultaneous braking and triggering, triggering the system is accomplished by placing the trigger switch (430) so that the rider's fingers must disengage the brake in order to engage the motor. Accidental triggering may be prevented by placing a trigger switch on each handle and wiring them in series so that both switches must be engaged to obtain power.

Embodiments of hybrid sensor-enabled and autonomous electric wheels can include a plurality of systems and devices integrated into a single compact hub unit that can be retrofitted into numerous types of two-wheeled bicycles. In one embodiment, an electrically motorized bicycle wheel can include a wheel rim, a wheel hub having an electric motor, a battery pack and a control unit configured to control a drive torque of the electric motor, and a plurality of wheel spokes connecting the wheel rim to the wheel hub. The electric motor, the battery pack and the control unit can be positioned within the wheel hub of the electrically motorized bicycle wheel.

A motorized bicycle seatpost assembly is basically provided with a first tube, a second tube, a motor and a movement mechanism. The first tube has a first end and a second end. The second tube has a first end and a second end. The first end of the second tube is open such that the second end of the first tube is telescopically disposed in the first end of the second tube. The motor is arranged in at least one of the first tube and the second tube. The movement mechanism is connected to the motor to change a relative axial position between the first and second tubes.

A driving mechanism for motorized bicycle is provided. The driving mechanism comprises a motor driving transmission device, a front driving sprocket and a pedal driving transmission device. The motor driving transmission device inwardly includes a motor shell, a magnet stator, an electromagnetic wire-coiled rotor and a cylindrical hollow rotatable shaft. The front driving sprocket has a transmission rotatable sleeve disposed therein for insertion of the hollow rotatable shaft there between. The pedal driving transmission device includes a pair of pedal cranks and a pedal driving shaft passing through the transmission rotatable sleeve and hollow rotatable shaft. First and Second single direction irreversible transmission devices are arranged such that either the motor driving transmission device or pedal driving transmission device may drive the transmission rotatable sleeve and front driving sprocket in proper rotational direction.

A motorized foldable bicycle assembly arranged to be collapsible from an elongated four-sectioned segmented frame arrangement with a set of electronically controlled motorized front and rear wheels spaced longitudinally apart on the elongated frame arrangement. The front wheel and the rear wheel are arranged in an aligned, side-by-side adjacent configuration with a steering column supported handlebar arrangement correspondingly collapsed in a skewed or misaligned orientation in a space between the side-by-side wheels when folded upin an unridable configuration. The segmented frame arrangement generally forms a “M” configuration in the bicycle's folded and collapsed configuration.

An electric power assist system for use with a pedal vehicle. The system has (a) an electric motorized wheel (2) including a plurality of spokes (8) extending from the motor housing to the rim (6), at least one the spoke (8) configured so as to define within it a battery compartment (20) in which at least one power supply battery (22) is deployed, wherein the battery compartment (20) lies in the planer region substantially defined by the outer sides of the rim (6); (b) a wireless throttle control in RF communication with the wheel (2); and (c) a wireless pedal assist sensor in RF comunication with the wheel (12) and configured to deteect movement of the pedal vehicle and transmit command signals to the wheel so as to start power assist operation, and to stop the power assist operation as determined by the movement of the pedals.

The invention is directed at a power assist module for a bicycle comprising a power source; a motor, connected to the power source; an output drive gear, controlled by motor through gear reduction; a multi-geared hub, mounted on a wheel of the bicycle; and a motor drive system connecting the output drive gear with the multi-geared hub; wherein rotation of the output drive gear by the motor, causes the drive chain to rotate the hub, thereby rotating the wheel of the bicycle.

An internal motorized bicycle hub includes a hub axle, a motor, a partitioning wall section and at least one soundproofing member. The motor includes a stator. The partitioning wall section has least one opening and the stator mounted thereon. The at least one soundproofing member is disposed adjacent the partitioning wall section and blocking the at least one opening.

A motorized bicycle includes: a frame; a plurality of wheels coupled to the frame; pedals coupled to the frame for driving at least one of the wheels; a motor coupled to the pedals and at least one of the wheels; a battery for supplying power to the motor; and a controller. When the controller determines that the motorized bicycle is traveling on a flat terrain or a decline, it enters or maintains a regeneration mode, where electric power is generated when a rider of the motorized bicycle pedals, and the electric power is used to charge the battery. When the controller determines that the motorized bicycle is traveling on an incline, it enters or maintains an assistance mode, where any regeneration of the battery is stopped, and power output from the motor is used to assist the rider in propelling the motorized bicycle forward.

An actuating device for a motorized bicycle includes a fixed unit and a rotation unit. The fixed unit includes a mandrel and a plurality of coils. The rotation unit includes a rotation member and a plurality of magnets. Each of the magnets is inclined relative to a respective one of the coils so that each of the magnets is closer to any two adjacent coils to promote the magnetic interaction between each of the magnets and any two adjacent coils so as to enhance the rotation efficiency of the rotation unit. When the bicycle is padelled by a rider or traveled on a downward slope, the actuating device has a generating function to produce an electric current so as to replenish the electric power of the bicycle.

An auxiliary power system for a bicycle having a motor (10) attached to the bicycle flame (22) by thin clamps (30), which can be arranged in a variety of positions to avoid disturbing the control cables. Power is delivered on demand via a sprocket driving a single freewheel (180) attached to a modified left crank (200). The gearbox (20) may be attached to the frame by means of a quick-release system. A bushing (600), (700), (820) may be used instead of a modified as a means of mounting the freewheel to the crank axle. (720), (610), (850b). To prevent accidental simultaneous braking and triggering, triggering the system is accomplished by placing the trigger switch (430) so that the rider's fingers must disengage the brake in order to engage the motor. Accidental triggering may be prevented by placing a trigger switch on each handle and wiring them in series so that both switches must be engaged to obtain power.

A motorized bicycle actuator assembly has a motorized actuator unit arranged to operate a bicycle component. The motorized actuator unit has a drive train coupled to a reversible motor, and a position switch device or an overcurrent detecting circuit coupled to the motor to stop rotation of a drive axle 95 of the drive train at first and second stop positions. The bicycle component is coupled to the drive axle to move a movable member between a first and second preset component positions that correspond to the first and second stop positions of the drive axle, respectively. First and second shock absorbing elements are arranged to cushion the drive train when the drive axle moves past the first and second stop positions of the drive axle, respectively.

A motorized bicycle includes a bicycle body, a rotation device, a chargeable battery and a control device. The rotation device includes a mandrel, a plurality of coils, a rotation member and a plurality of magnets. The control device includes a microprocessor and an adjusting switch. When the rotation device is disposed at the active state, the rotation device is driven by the electric power of the battery to move the bicycle forward, and when the rotation device is disposed at the passive state, the pedals are pedalled by the rider to rotate the front wheel, and the rotation device is driven by the front wheel to provide a generating function. The microprocessor can switch the active state and the passive state of the rotation device automatically to operate the electric power of the battery to the optimum extent.

Embodiments of hybrid sensor-enabled and autonomous electric wheels can include a plurality of systems and devices integrated into a single compact hub unit that can be retrofitted into numerous types of two-wheeled bicycles. In one embodiment, an electrically motorized bicycle wheel can include a wheel rim, a wheel hub having an electric motor, a battery pack and a control unit configured to control a drive torque of the electric motor, and a plurality of wheel spokes connecting the wheel rim to the wheel hub. The electric motor, the battery pack and the control unit can be positioned within the wheel hub of the electrically motorized bicycle wheel.

The invention provides a pedal force sensing system of a motorized bicycle. The pedal force sensing system is arranged in a motorized bicycle. The bicycle comprises a bicycle body, at least one shock absorber, a battery, a drive motor and a pedal drive mechanism. The pedal drive mechanism is provided with a first pedal and a second pedal which bears the pedal force and drive a pedal shaft to turn. The pedal force sensing system comprises a pedal force sensing set with a plurality of sensors which are arranged on the first pedal of the pedal drive mechanism to sense the pedal force borne by the first pedal; a main controller which is electrically connected with the battery, the drive motor and the shock absorber and receives the pedal force sensing signal of the pedal force sensing set so as to further control the operation of the drive motor and the shock absorption travel of the shock absorber according to the pedal force sensing signal. The pedal force sensing system can increase safety of driving the motorized bicycle, and more accurately sense the pedal force.

Bicycle component motion control begins when a motorized bicycle component is commanded to shift or actuate. The bicycle component motion control compares parameters of a component of the bicycle to be moved, to predetermined thresholds to provide safe shifting or actuation. The shift or actuation starts only when the battery voltage and the battery temperature are within predetermined acceptable ranges, respectively. Once the shift or actuation has started, the shift or actuation is aborted if the battery voltage remains below a predetermined low voltage threshold for a predetermined amount of time. If the shift or actuation is aborted when the component is in a position, in which the bicycle may not operate at a particular level or is inoperable, the shift or actuation command is modified to move the component to a previous position or an intermediate position.

The invention relates to a rotary-disc type sensor with multiple magnets uneven in position for a motorized bicycle, and belongs to technology of providing control signals by multipoint magnetic induction. The rotary-disc type sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include a plurality of permanent magnets and a Hall sensor unit, the permanent magnets are arranged on a rotary disc at different intervals, magnetic polarities of the adjacent permanent magnets are opposite, in other words, the permanent magnets are distributed according to a magnetic polarity sequence of N-pole, S-pole and N-pole..., and the Hall sensor unit is arranged at a position close to the permanent magnets. The rotary-disc type sensor has the advantages that since the permanent magnets are distributed in a mode that the magnetic polarities of the adjacent permanent magnets are opposite according to the sequence of N-pole, S-pole and N-pole..., the Hall sensor unit can acquire rectangular wave signals which can be processed digitally conveniently; since the intervals of the permanent magnets are different, the square wave signals can represent positions of the permanent magnets on the rotary disc, functions of different rectangular waves can be determined, and accordingly, the sensor can output electrical signals of a human-set control model matched with movement positions of the permanent magnets.

A motorized bicycle includes a frame, a plurality of wheels coupled to the frame, pedals coupled to the frame for driving at least one of the wheels, gear(s) coupled to the frame, a motor coupled to the pedals and at least one of the wheels; a battery for supplying power to the motor; and a controller. In response to a selection of a current gear, the controller regulates a power output from the battery to the motor based on the current gear, where the motor propels the motorized bicycle to travel within a predetermined speed range associated with the current gear.

The invention relates to a motorized bicycle with an inertial energy storage mechanical device of a flywheel set, which mainly comprises a tubular support beam, a back support plate, a front support plate, a main shaft, auxiliary shafts, flywheels, bearings, a tubular wind shield cover, a front end face cover, a back end face cover, auxiliary friction wheels, a main friction wheel, a chain wheel, a bevel gear, a clutch, a front wheel and a back wheel, wherein the inner diameter of the tubular support beam is fixedly connected with the outer diameters of the front end face cover and the back end face cover, the main shaft is fixed in the center holes of the front end face cover and the back end face cover through the bearing, the middle of the main shaft is connected with center holes of the back support plate and the front support plate, the back part of the main shaft is connected with the clutch, the auxiliary shafts are respectively fixed holes formed on the back support plate and the front support plate at equal angle intervals through the bearings, the middle of each auxiliary shaft is connected with the center hole of one flywheel, the outer diameters of the back support plate and the front support plate are connected with the inner diameter of the tubular wind shield cover, the outer diameter of the front end shaft of each auxiliary shaft is connected with the center hole of one auxiliary friction wheel, the auxiliary friction wheels are in contact with the main friction wheel, the main friction wheel is longitudinally fixed at the inner side of the front support plate, the back part of the tubular support beam is connected with the back wheel, the front part of the tubular support beam is connected with the front wheel, and the middle of the outer diameter of the tubular support beam is connected with the chain wheel. The invention can be used for short-distance journey of people.

The invention relates to a motorized bicycle having a sensor with multiple magnets uneven in position and magnetic flux in a casing, and belongs to electric motorized bicycles with motorized signals provided by multipoint magnetic induction. The sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include permanent magnets and a Hall sensor unit which are arranged in a cavity formed by combining a rotary disc with a fixed disc, a plurality of permanent magnets are arranged on the rotary disc, magnetic polarities of the adjacent permanent magnets are opposite, the distances among the permanent magnets are different, the magnetic flux of the permanent magnets are also different, and the Hall sensor unit on the fixed disc is arranged close to the permanent magnets. The sensor is arranged on a center wheel axle of the bicycle, and the operational amplifier is connected with a motor controller. The motorized bicycle has the advantages that relative positions of the permanent magnets and the Hall sensor unit are fixed, the Hall sensor unit can acquire rectangular wave signals, and human-set adjustable motorized model signals can be processed digitally and output to the motorized starting point and the finishing point by the sensor conveniently, so that motorized power is reasonable in distribution, manpower and motorized power can be matched optionally, and electric power is saved.

A motorized bicycle gear shift device comprising a derailleur (14) and an electric motor (27) for controlling the derailleur (14), associated directly with the derailleur, and an electric transducer of absolute type (50, 56), also associated with the derailleur (14) and designed to produce an electric signal indicative of the absolute position of the movable body (17) of the derailleur (14).

The invention relates to a motorized bicycle having a sensor with multiple position-adjustable magnets in a casing, and belongs to electric motorized bicycles with motorized signals provided by multipoint magnetic induction. The sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include permanent magnets and a Hall sensor unit which are arranged in a cavity formed by combining a rotary disc with a fixed disc, a plurality of permanent magnets are arranged on the rotary disc, magnetic polarities of the adjacent permanent magnets are opposite, the distances among the permanent magnets are adjustable, and the Hall sensor unit on the fixed disc is arranged close to the permanent magnets. The sensor is arranged on a center wheel axle of the bicycle, and the operational amplifier is connected with a motor controller. Relative positions of the permanent magnets and the Hall sensor unit are fixed, the Hall sensor unit can acquire rectangular wave signals, and human-set adjustable motorized model signals can be processed digitally and output to the motorized starting point and the finishing point by the sensor conveniently, so that motorized power is reasonable in distribution, manpower and motorized power can be matched optionally, and electric power is saved.