3560results about "Rider propulsion" patented technology

A composite superstructure of a straddle-type vehicle, such as a snowmobile, formed from a fiber reinforced polymer and extending from a forward section coupled to a forward portion of a chassis of the vehicle to a rearward section coupled to a rearward portion of the chassis, where the superstructure defines at least one steering post mount configured to couple with a portion of a steering assembly of the vehicle.

An electric vehicle and a powertrain for an electric vehicle are disclosed. According to an embodiment, an electric vehicle includes a steering system with a steering column, and a battery pack having a battery enclosure and a plurality of battery modules housed within the battery enclosure. The battery enclosure defines a slot that extends from at least a top surface of the battery enclosure to receive the steering column.

A method for pairing a control device for an electric bicycle includes (i) connecting the control device to a first server, (ii) connecting the control device to an electric bicycle, (iii) providing a first bicycle ID and a second bicycle ID of the electric bicycle, (iv) providing pairing data from the first server on the basis of the first bicycle ID, (v) connecting the control device to a second server, and (vi) providing further pairing data from the second server on the basis of the second ID.

Disclosed herein are examples of motive power sources suitable to power a two-wheeled vehicle. The vehicle may include a suspension linkage and a suspended body. In some examples, the motive power source may include a housing with a boss extending therefrom. The boss may include a first securement structure. The securement structure may include an instantaneous velocity center of the suspension linkage when coupled to the two wheeled vehicle. In some examples, a second securement structure is formed in the suspended body, a bottom link forms a portion of the suspension linkage, the bottom link includes a third securement structure, and an axle is coupled to the first, second, and third apertures. In some examples, the first, second, and third apertures are concentric with the axle.

A modular electric wheel assembly. The assembly including a motor with a rotor in a rotary union with a stator. The motor of the brushless DC type and including a circular rotor rotating about a central axis and including a central hollow axle. The hollow axle configured for coupling with a removable energy source and / or an external energy source and including attachment structures for a plurality of attachments to enable riding by a user or configuration within a parent vehicle such as a bicycle or moped, or use as another machine type, such as a power tool or power generation machine. The rotor configured with a quick-change mechanism through a first ring configured to accept a plurality of removable wheel types and rotatable attachments, enabling a user to select a variety of unique wheel / tire types and configurations for a variety of applications.

The invention provides a three-in-one safe binding system and method for an electric vehicle. By means of the unique hardware identification and bidirectional binding between key components, the potential safety hazards of battery stealing and replacement, mixed use of chargers, illegal modification and the like in the using process of the electric vehicle can be solved.

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

A hub motor wire outlet structure includes a hub motor and a wire outlet assembly. The wire outlet assembly includes a motor connector and a wire connector, and a load-side circuit board of the motor connector and a power-side circuit board of the wire connector are interconnectable through a plurality of terminal pin connecting pillars so as to form a modularized structure. As such, the firmness and alignment accuracy of the assembly can be effectively improved, making it easy to assemble during mounting, enhance operation safety, and also reduce the area occupied by the entire wire assembly.

An accessory base including a frame adapted to be attached to at least a portion of an accessory, the frame having a first end defined at a first end portion of the frame and a second end defined at a second end portion of the frame; a tongue attached to the frame at the first end portion of the frame, the tongue extending outward from the first end of the frame in a direction away from the second end, the tongue adapted for insertion into a fastener aperture; an anchor attached at the second end portion of the frame opposite the first end portion, the anchor having an anchor base and an anchor lock extending from the anchor base, the anchor lock being rotatable relative to the anchor base about an axis perpendicular to the anchor base between a locked position and an unlocked position.

An electrical device for a rotational device of a human-powered vehicle comprises a force sensor, a position detector, and an electronic controller. The force sensor is configured to measure a force applied to the rotational device. The position detector is configured to detect a rotational position of the rotational device. The electronic controller is configured to adjust a measurement value of the force sensor based on the rotational position detected by the position detector.

A series hybrid / human-powered vehicle includes a generator rotatably coupled to a crankset with foot or hand pedals, one or more motors electrically coupled to the generator and mechanically coupled to vehicle wheels, and a user input resistance device providing supplemental counter-torque to the crankset. A controller with a processor and memory executes instructions to: determine an optimal range of pedaling cadence and torque for a user, calculate a generator counter-torque at the optimal cadence, and set the user input resistance device to adjust the overall counter-torque, which comprises generator and supplemental counter-torques, to maintain it within the optimal range. A stationary fitness machine may incorporate similar components to enhance exercise performance.

A fuel injection system for an engine of a vehicle includes a throttle body and an elastomeric injection manifold coupled to the downstream end of the throttle body. The injection manifold defines a fuel injector socket. The fuel injection system also includes a fuel injector receivable by the fuel injector socket of the injection manifold and a fuel rail fluidly coupled to the fuel injector. The fuel rail supplies fuel to the fuel injector.

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.

A pedal includes a pedal body, a force detection module, a rotation shaft, an insulating sleeve, electrically conductive rings, and contact elements. The pedal body has a first accommodating space and a second accommodating space. The force detection module is disposed in the first accommodating space. The rotation shaft passes through the pedal body. Annular accommodating regions and wire perforations are recessed from a surface of the rotation shaft. Transmission wires pass through the wire perforations. The insulating sleeve is sleeved on the rotation shaft. Annular insulating regions are recessed from a surface of the insulating sleeve and correspondingly cover the annular accommodating regions. The electrically conductive rings are respectively sleeved on surfaces of the annular insulating regions, and the transmission wires are correspondingly coupled to the electrically conductive rings. The contact elements abut against the electrically conductive rings, respectively.

A time display system for an electrically assisted vehicle includes a display and at least one processor configured or programmed to acquire time information representing information on a time that is output by a battery pack that supplies electric power to an electric motor that generates drive power to cause the electrically assisted vehicle to travel, and to cause the display to display a current time based on the time information.

A detection system comprises a load sensor and electronic controller circuitry. The load sensor is configured to obtain load information relating to a load applied, while a rider rides a human-powered vehicle, to a wheel of the human-powered vehicle. The electronic controller circuitry is configured to obtain, based on the load information, motion information relating to a motion of the human-powered vehicle.

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.

A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame are disclosed. The vehicle including at least one adjustable shock absorber having an adjustable damping characteristic.

The embodiment of the invention provides an assisting power output control method of an electric bicycle, the electric bicycle and a storage medium, and the method comprises the steps that the current motor rotating speed of the electric bicycle and the current torque value applied to pedals of the electric bicycle are collected; adjusting the cut-off frequency of a first low-pass filter based on the current motor rotating speed, and filtering the current motor rotating speed through the adjusted first low-pass filter to obtain a smooth rotating speed; determining a motor torque compensation value based on the motor rotating speed fluctuation quantity between the smooth rotating speed and the current motor rotating speed; and determining a motor torque output value based on the motor torque compensation value and the current torque value, and controlling the power output of the electric bicycle according to the motor torque output value. By means of the power assisting device, the technical problem that power assisting output of the electric bicycle is not smooth due to mechanical shaking or resonance is solved.

A control system for an electric bicycle includes an operating unit which is configured to control a ride controller of the electric bicycle. The operating unit is configured to allow a user to select among a plurality of assistance modes via an operating interface, and to control the ride controller in such a way that a drive control for a motor of the bicycle is carried out according to the selected assistance mode.

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.

A system for connecting an accessory to an item, the system including an anchor fixture including a fixture body and the anchor aperture having at least one recessed portion along an edge thereof; and an anchor with an anchor lock being configured to be inserted through the anchor aperture of the anchor fixture, the anchor lock having at least one protrusion extending therefrom, the at least one protrusion of the anchor lock being received in the at least one recessed portion of the anchor aperture; and the anchor being selectively secured to the anchor fixture by inserting the anchor lock through the anchor aperture and moving the anchor lock relative to the anchor fixture to place the anchor lock in the locked position, the anchor lock impeding movement within the anchor fixture of the anchor.

A camp system has: a plurality of sleds spaced from one another about a ground surface; and a tarpaulin secured in a deployed position between the plurality of sleds and defining an enclosed interior camping area. A method of use includes: arranging a plurality of sleds at a camp site; and deploying a tarpaulin to or over the plurality of sleds to form an enclosed interior camping area between the plurality of sleds. A passive sled has: a hollow tub base; a camper housing with side walls and a roof mounted over the hollow tub base and defining an enclosed interior sleeping area with a bed within the interior sleeping area; and a tow mount at a front end of the passive sled.

To provide a wiring structure for a hub motor in which wiring connection parts are formed into a modular structure, assembly strength and alignment precision are improved, and assembly can be made easier during installation. [Solution] The wiring structure for a hub motor comprises a hub motor and a wiring unit 10, the wiring unit having a motor connection section 20 and a wire connection section 30, with a load terminal wiring board 25 of the motor connection section and a power supply end wiring board 36 of the wire connection section interconnected by a plurality of bridge connecting rods 24 to form a modular structure. This effectively improves assembly strength and alignment accuracy, makes assembly easier during installation, and more effectively increases safety in use while reducing the overall volume of the wiring unit.

An electric vehicle and a powertrain for an electric vehicle are disclosed. According to an embodiment, an electric vehicle includes a suspension system, a seat, a steering system, an electric motor and a battery pack. The battery pack includes one or more battery modules to provide power to the electric motor and a battery enclosure housing the one or more battery modules. The battery enclosure is a structural element of the electric vehicle to receive loads from at least two of the suspension system, the seat and the steering system.

To provide a motor system capable of appropriately assisting output to a first motor and a second motor.SOLUTION: A motor system assists the drive of a man-power drive vehicle that includes a first wheel, a second wheel, and an input unit to which an input and an output for driving the second wheel are input. The motor system includes: a first motor that drives the first wheel; a second motor that drives the second wheel; and a motor control device that adjusts the outputs by the first motor and the second motor. The motor control device decides the assist output by the motor system based on the levels of the input and output, and distributes the assist output to the first motor and second motor based on a first load applied to the first wheel, and a second load applied to the second wheel.SELECTED DRAWING: Figure 3

A method for changing a transmission ratio of an electrically controllable gearing of a bicycle, in particular of an electric bicycle, includes (i) measuring a pedaling frequency of the bicycle rider on the pedal shaft, (ii) measuring a pedaling force of the bicycle rider, and (iii) determining a gear change operating state on the basis of the measured pedaling frequency and on the basis of the measured pedaling force if the measured pedaling frequency is less than or equal to a lower frequency threshold value or is greater than or equal to an upper frequency threshold value, and / or the measured pedaling force is less than or equal to a lower force threshold value or is greater than or equal to an upper force threshold value. After determining the gear change operating state, a control signal is generated for the gearing according to the determined gear change operating state.

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).

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.