1638results about "Rider propulsion" patented technology

An electric vehicle including a frame; at least one ground-engaging member operatively connected to the frame; an electric motor operatively connected to the at least one ground-engaging member; an electric powerpack supported by the frame, the powerpack including: a battery pack defining a battery cooling channel; and a plurality of battery cells housed in the battery housing; a charger defining a charger cooling channel; an inverter including an inverter cooling channel, the battery cooling channel, the charger cooling channel, and the inverter cooling channel being fluidly connected together by rigid fluid connections; radiators fluidly connected to the battery cooling channel; a cooling circuit being formed at least in part by the battery cooling channel, the charger cooling channel, the inverter cooling channel, and the at least one radiator; and a pump fluidly connected to the cooling circuit for pumping liquid coolant through the cooling circuit.

The invention discloses an intelligent control method and system for motorcycle calipers. According to the method, multi-modal data such as vehicle speed, wheel speed, piston displacement, brake disc temperature, inclination angle and transverse acceleration are collected in real time through a multi-source sensor and are preprocessed; calculating a braking demand and an adhesion coefficient according to the data, and recognizing a straight line, a curve or an emergency braking scene in combination with the inclination angle and the transverse acceleration; inputting the data into a pre-trained brake control machine learning model to generate a target brake force change curve; controlling the driving motor and the calipers to brake based on the curve, and regularly optimizing the model according to brake feedback and historical data; predicting a braking efficiency attenuation trend by combining a part degradation model, and compensating the braking force to update the model; the motor current is adjusted in real time through closed-loop control so as to follow the target braking force; and continuously monitoring the temperature of the brake disc, and triggering thermal attenuation compensation when the temperature exceeds a threshold value. According to the invention, self-adaptive, accurate and reliable intelligent braking of the motorcycle is realized.

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).

An electric vehicle includes a frame, at least one front wheel and at least one rear wheel coupled to the frame, one or more pedals coupled to the frame and configured for a user's engagement via pedaling, and a controller configured to output one or more driving signals in response to the pedaling of the one or more pedals. The electric vehicle also includes a first motor coupled to and configured to drive one of the front and rear wheels, and a first driver coupled with the first motor and configured to adjust the output to the first motor in response to the one or more driving signals.

An electric recreational vehicle, has: a frame extending along a longitudinal axis; an electric motor mounted to the frame; a battery pack mounted to the frame and disposed at least partially rearward of the electric motor relative to the longitudinal axis, the battery pack including one or more battery modules operatively connected to the electric motor for supplying electrical energy to the electric motor, a battery enclosure containing the one or more battery modules, and at least one structural member located within the battery enclosure and delimiting at least one module-receiving section, the one or more battery modules located within the at least one module-receiving section; and a seat disposed over the battery pack and secured to the at least one structural member of the battery pack, a load transmission path extending between the frame and the seat through the at least one structural member of the battery pack.

An electrical device of a rotational device for a human-powered vehicle comprises a force sensor and an electronic controller. The force sensor is configured to sense a force applied to the rotational device. The electronic controller is configured to adjust an output value of the force sensor at an adjustment timing in a case where vehicle information relating to the human-powered vehicle meets a determination condition. The electronic controller is configured not to adjust the output value at the adjustment timing in a case where the vehicle information does not meet the determination condition.

Methods and apparatus for a composite bicycle front sprocket are disclosed herein. One embodiment discloses a composite bicycle front sprocket assembly having an outer assembly of a first material. The bicycle front sprocket assembly also has a center assembly of a second material. The center assembly is disposed at least partially within the outer assembly. The center assembly is irremovably coupled with the outer assembly. The center assembly is irremovably coupled with the outer assembly without an external fastening device to irremovably couple the center assembly with the outer assembly.

There is provided an electric balance bike including: a front wheel and a rear wheel; an electric drive source configured to rotationally drive at least one of the front wheel and the rear wheel; a first frame holding the front wheel and a second frame holding the rear wheel; a main frame connecting the first frame and the second frame and having a closed cross section; and an electrical device disposed to an inside of the closed cross section of the main frame in a state of being separated upward from an inner bottom surface of the closed cross section, the electrical device being configured to cause the drive source to generate power for which the drive source rotationally drives.

The invention relates to the technical field of vehicle control, and discloses a self-adaptive intelligent regulation and control system for a digital twin-driven two-wheeled self-balancing vehicle. The system comprises a perception and data acquisition module, a driver portrait and state identification module, a real-time digital twinning module, a prospective emergency regulation and control module, a dynamic coupling decision module, a safety coverage and underlying execution module, a data optimization and evolution module and a cloud platform. The real-time twinning module interacts with the portrait module in a two-way mode, portrait parameters are corrected in real time through model mismatch signals, and a human-vehicle coupling dynamics model is corrected; the prospective emergency regulation and control module analyzes a future state and calculates a risk index and an emergency level; the dynamic decision-making module dynamically adjusts and controls the optimization target and constraint according to the risk index and the emergency level; the data optimization and evolution module captures a data packet when a key event is triggered and uploads the data packet to the cloud, and the cloud pushes a strategy update packet to the vehicle-mounted system after offline optimization.

The present invention discloses a multi-function folding bike pertaining to the field of bicycles. The bike comprises a main frame, an actuation button, a gear assembly, and an expansion unit. The expansion unit includes a training wheel, a pedal assembly, and a kickstand, wherein cooperative interaction of these components enables multiple configuration transformations to satisfy diverse functional riding requirements. Through selective combinations of elements within the expansion unit, the bike achieves morphological adaptations for: children's progressive riding skill development, cargo transportation capability, and personalized riding experiences, thereby accommodating evolving needs across different growth stages while significantly enhancing applicability and utility of the bicycle.

Hybrid drive snowmobile comprising an IC engine, a variable speed drive comprising a first pulley connected to a drive shaft of the IC engine, a second pulley and a belt coupled to the first and second pulleys, an intermediate shaft-connected to the second pulley of the variable speed drive, an output shaft connected to the intermediate shaft by a transmission and a drive wheel of a motor track of the snowmobile connected to the output shaft and a reversible electrical machine connected to the intermediate shaft.

A bicycle includes a front wheel, a rear wheel, and a frame assembly supported by the front wheel and by the rear wheel, the frame assembly including a main frame and a fork assembly rotatably secured to the main frame. The fork assembly includes a fork crown, a lower bearing that facilitates rotation of the fork assembly relative to the main frame about a steering axis, and a lower accessory mount including a base portion sandwiched between the fork crown and the lower bearing.

Snowmobile transmission, including a housing with a cover, an input shaft and an output shaft arranged inside the housing, and a chain transmission drive including a chain connecting a drive sprocket arranged on the input shaft to a driven sprocket arranged on the output shaft, a reverse gear axle about which a reverse gear sprocket freely rotates also arranged inside the housing, the reverse gear sprocket engaging with the chain, and a reverse gear engaging with a movable gear arranged on a grooved sleeve of the input shaft, which is movable by tilting an inner switching fork and being driven by an axle with a lever, an adjusting rod, an outer switching fork, wherein rotation of the outer switching fork is restricted by a removable sector attached to the housing cover, and an adjusting screw arranged on the housing, abutting against a support sleeve and fixed by a cotter pin.

To improve the strength of the screw threads. [Solution] The bicycle power transmission device comprises a first rotating body, a second rotating body, an elastic member, a stopper member, and a first nut. The first rotating body has a stopper surface facing in the circumferential direction. The second rotating body is arranged to be rotatable relative to the first rotating body. The elastic member elastically connects the first rotating body and the second rotating body. The stopper member is attached to the second rotating body. The stopper member has a stopper portion and a first threaded portion. The stopper portion faces the stopper surface in the circumferential direction. The first threaded portion is integrally formed with the stopper portion and extends in the axial direction. The first nut is screwed onto the first threaded portion.

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.

A human-powered vehicle component comprises wireless communicator circuitry and electronic controller circuitry. The electronic controller circuitry is configured to receive a first signal from the additional wireless communicator circuitry via the wireless communicator circuitry. The electronic controller circuitry is configured to change the communication protocol of the wireless communicator circuitry from a second communication protocol to a first communication protocol based on the first signal in a case where the first signal includes first information indicative of the first communication protocol. The electronic controller circuitry is configured to control the wireless communicator circuitry to maintain use of the second communication protocol in a case where the electronic controller circuitry does not receive, via the wireless communicator circuitry, the first signal including the first information indicative of the first communication protocol.

A steering system for a snowmobile includes a handlebar assembly and a steering column that has an upper end coupled to the handlebar assembly. An electronic steering assist unit is coupled to the steering column between upper and lower posts of the steering column. A steering arm assembly is coupled to a lower end of the lower post. First and second tie rods respectively couple the steering arm assembly to first and second ski assemblies such that turning the handlebar assembly, together with the assistance of the electronic steering assist unit, causes the ski assemblies to pivot. A floating mounting system couples the electronic steering assist unit to forward spars of the frame assembly to prevent a torque pre-load on the electronic steering assist unit. The steering column and the electronic steering assist unit share a common axis of rotation that is positioned along a centerline of the snowmobile.

The present invention discloses a chainless electrical bicycle, which is designed to eliminate any type of mechanical means to transfer torque and power from pedals to a traction wheel. The present invention employs a generator to transfer a pedal torque and power with the help of power electronics, control electronics, a battery and control methods to a motor that is used for traction, which is attached to the traction wheel. The generator power is supplemented with the battery power, wherein the battery is rechargeable. The main purpose of the present invention is to emulate a mechanical chain bicycle operation, eliminate shortcomings of a mechanical chain bicycle, and introduce convenience features, such as, but not limited to, continuously variable electronic gear, a gravity compensation, a static and dynamic torque assistance, a ride charge feature, and an electric brake system.

Disclosed herein is a two-wheel vehicle suspension linkage. The suspension linkage includes a suspended body-1, a seatstay, a link body-3, a chainstay, a link body-5, and a link body-6 operatively coupled with one another. The link body-3 includes jointed connections with the suspended body-1 defining an IVC[1][3], the chainstay defining an IVC[3][4], and the link body-6 defining an IVC[3][6]. The chainstay includes a jointed connection with the seatstay defining an IVC[2][4]. The link body-5 includes jointed connections with suspended body-1 defining an IVC[1][5], seatstay defining an IVC[2][5], and the link body-6 defining an IVC[5][6]. A lower base line is defined by IVC[1][3] and IVC[3][4]. An upper base line is defined by IVC[1][5] and IVC[2][5]. The IVC[5][6] is located outside the upper and lower base lines. The suspension linkage includes a damper unit configured to resist movement between two or more of the bodies.

A relay unit comprises first interface circuitry, second interface circuitry, and controller circuitry. The first interface circuitry is configured to be electrically connected to an assist drive unit of a human-powered vehicle. The assist drive unit is configured to assist propulsion of the human-powered vehicle. The second interface circuitry is configured to be electrically connected to a transmission device of the human-powered vehicle. The transmission device is configured to execute a gear shifting of the human-powered vehicle. The controller circuitry is electrically connected to the first interface circuitry and the second interface circuitry. The controller circuitry is configured to receive information relating to the human-powered vehicle from a sensor configured to detect the information. The controller circuitry is configured to change a timing of the gear shifting of the transmission device based on the information.

A control device for a human-powered vehicle has an electronic controller that controls a motor that applies a propulsion force to the human-powered vehicle to assist a human driving force. The human-powered vehicle includes a transmission device. The electronic controller is configured to assist in propulsion of the human-powered vehicle with the motor in a state in which the human-powered vehicle is propelled by the human driving force. In a case where a transmission ratio of the transmission device is changed, the electronic controller decreases an assist level of the motor in accordance with the human driving force input to the human-powered vehicle, and controls the motor so that the assist level is greater for a case where the human driving force is a first human driving force than the assist level for a case where the human driving force is less than the first human driving force.

In the conventional tricycle, generally the front frame, the rear frame and the seat tube are attached to the bottom bracket that carries pedal assembly. Between the bottom bracket and the rear frame, a joint is installed such that the seat tube and the handlebar may tilt to the left or right. Thereby the rider can cancel out the unwanted centrifugal force that occurs during high speed turning and pushes him to the opposite direction of the handlebar causing a fall down accident. Between the seat tube and the rear frame is installed a tiltable angle variable mechanism. By operating a hand lever on the handlebar the rider can vary the tiltable angle of the handlebar as needed, for high speed turning or for maintaining balance at low speeds.

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.

A bicycle actuating device includes a main body, in the form of a housing, an actuating element, mounted so as to be able to move on the main body, a fastening portion having at least one fastening opening for fastening the bicycle actuating device to a handlebar clamp of a bicycle, wherein the fastening portion protrudes from the main body and the fastening opening is formed as a through-opening that connects two fastening faces on opposite sides of the fastening portion to one another. A bicycle actuating system includes, in addition to such a bicycle actuating device, a handlebar clamp or / and a spacer or / and a further bicycle actuating device, wherein the bicycle actuating device and the spacer or / and the further bicycle actuating device can be mounted so as to be stacked on top of one another at the same circumferential position of the handlebar clamp using a single fastening element.

The present invention relates to a method for controlling an electric motor of a drive system of an electric drive, comprising the steps of: obtaining sensor data, wherein the sensor data indicate a rotational speed; determining at least one rotational speed gradient based on the sensor data; determining a change state of an output component driven by the drive system based on the at least one rotational speed gradient; adjusting, in the change state, a rotational speed of the electric motor based on the at least one rotational speed gradient.

The invention discloses a telescopic seatpost system comprising means to lock the position of the seat (S) in predefined positions in response to the pulsation of a button by the cyclist, without the need for the cyclist to keep said button (41) pushed during the time the telescopic mechanism (2) supporting the seat (S) is compressing or extending.

A human-powered vehicle component comprises wireless communicator circuitry. The wireless communicator circuitry is configured to transmit a first wireless signal to a first additional human-powered vehicle component using a first communication protocol in response to a first user input. The wireless communicator circuitry is configured to transmit a second wireless signal to a second additional human-powered vehicle component using a second communication protocol different from the first communication protocol in response to a second user input different from the first user input.

A manually-powered personal stand-on vehicle having a deck for a rider to stand on, a frame, multiple ground engaging wheels, and a drive mechanism providing power to at least one of the wheels to propel the vehicle. The deck may include a portion connected to the frame by a pivot, thereby providing a pivot axis which enables a pivoting motion of at least a portion of the deck relative to the frame. The drive mechanism is integrated with the deck such that when downward force is applied by the rider onto a portion of the deck which is upwardly angled relative to the frame in a manner which causes the portion of the deck to pivot downwards toward the frame, the drive mechanism is actuated to power at least one of the wheels for forward propulsion.

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.