1839results about "Cycle brakes" patented technology

A snowmobile may have an electric powertrain. The electric powertrain may include one or more electric motors to power movement of one or more endless tracks. The electric powertrain may include a plurality of battery assemblies. At least one of the plurality of battery assemblies may be part of a structural frame of the snowmobile. At least one of the plurality of battery assemblies may be supported by a tunnel of the snowmobile.

A handlebar for controlling a travelling direction of a vehicle, the handlebar comprising: a transverse support for mounting to a vehicle, the transverse support extending substantially along a first axial direction; a first grippable element extending from a first end of the transverse support, the first grippable element including a free end; wherein the first grippable element comprises an attachment portion configured to receive a mounting arrangement for mounting an attachment to the first grippable element, and wherein the attachment portion has a substantially aerofoil-shaped profile in a plane parallel to a second axial direction, said second axial direction substantially perpendicular to the first axial direction.

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.

An actuation device for hydraulically actuating a brake or a clutch of a vehicle, comprising a pump assembly (2) and an idle stroke adjustment device (3). A piston (23) is configured to slide inside a chamber (22) disposed within a pump body (21) along a pump actuating direction (X-X). The piston (23) is at least movable from a resting position (P1) to an operating position (P2), between which is defined a stroke free play (d1). The idle stroke adjustment device (3) comprises an idle stroke adjusting body (31) connected to the piston (23), movable along an idle stroke adjusting direction (X'-X') which is parallel to the pump actuating direction (X-X), wherein the movement of the idle stroke adjusting body (31) along the idle stroke adjusting direction (X'-X') causes the movement of the piston (23) along the pump actuating direction (X-X) to increase or decrease the stroke free play (d1).

The invention discloses a linkage device, an integrated main control unit and an ABS brake system.The linkage device comprises a valve body, a piston assembly and a one-way sealing element, the valve body comprises a first cavity, a second cavity and a second oil way, and the first cavity is communicated with the second oil way and the second cavity; the piston assembly slides in the first cavity in a reciprocating mode along the axis, part of the piston assembly can enter the second oil way, a gap is formed between the piston assembly and the valve body, a plurality of small holes are evenly formed in the side wall of the piston assembly, the piston assembly is provided with an elastic element, and the one-way sealing piece is arranged in the annular groove of the valve body and located on the outer side wall of the piston assembly. The one-way sealing piece is in sliding connection with the piston assembly, and the one-way sealing piece and the small holes jointly serve as a structure for controlling opening and closing of the internal liquid channel. The linkage device solves the problems that in the prior art, a one-way oil seal of a linkage device is prone to failure, the pressure relief hole diameter is too small, and then the efficiency and safety of a braking system are affected.

An auxiliary assembly for a bicycle includes an auxiliary device installed on the bicycle and a battery device. The auxiliary device includes a first wireless transmission module and an information retrieval module. The information retrieval module can obtain multiple pieces of riding information of the bicycle within a period of time and transmit the same through the first wireless transmission module. The battery device includes a second wireless transmission module and a management module. The second wireless transmission module can receive the multiple pieces of the riding information via the first wireless transmission module. The management module can obtain the multiple pieces of the riding information and compare two of the multiple pieces of the riding information that are close in time, so as to calculate correction data and transmit the same to the auxiliary device through the second wireless transmission module for a follow-up action.

A recumbent tricycle assembly for safely and comfortably riding in a reclined position includes a frame having a front portion that is pivotably coupled to a rear portion. A wheel assembly is rotatably coupled to the frame. The wheel assembly includes a pair of front wheels and a rear wheel. A steering assembly includes a left-hand grip bar and a right-hand grip bar. Manipulation of the left-hand grip bar and the right-hand grip bar steers the frame. A seat is positioned between the front wheels and the grip bars such that each of the left-hand grip bar and the right-hand grip bar is accessible to the user when sitting in the seat. A drive assembly mechanically coupled to the wheel assembly rotates the pair of front wheels and the rear wheel. A brake assembly coupled to the wheel assembly halts rotation of the wheel assembly.

A control device for a human-powered vehicle comprises an electronic controller configured to obtain driving-environment information relating to driving environment of the human-powered vehicle. The driving-environment information includes at least one of traffic information relating to traffic and road object information relating to road objects. The electronic controller is configured to control an electric component based on the driving-environment information.

The invention relates to a shared bicycle brake pad abrasion monitoring system and a monitoring method thereof, and aims to solve the problems that in the prior art, shared bicycle brake pad abrasion monitoring is high in cost and low in precision, and abnormal abrasion cannot be detected, and accurate monitoring is achieved through a multi-parameter correction model of brake frequency statistics and pressure distribution perception. A microswitch is arranged on a brake pedal, three film pressure sensors are arranged on a brake pad steel backing, a brake pressure value, an average effective pressure Pavg and a pressure distribution difference delta P are synchronously collected, a wear estimation model is built by combining working condition data such as temperature and vehicle speed, and a material coefficient k, a vehicle speed correction coefficient f (v) and a temperature correction coefficient g (T) are adopted for multi-dimensional correction, so that the wear estimation precision is improved. And calculating the accumulated abrasion loss and predicting the residual thickness. Accurate recognition of abnormal wear such as eccentric wear and block falling is achieved by analyzing a delta P threshold value and Pavg mutation characteristics, parameter customization of brake pads made of different materials is supported, and a graded early warning function is achieved.

A bicycle derailleur brake shifter making use of three pushbuttons disposed in shifter brake lever and two microswitches cloaked under the shifter housing hood for a total of five switches each with programming functionality including shifting to manual, automatic and tandem modes, conventional shift ability where a rear derailleur or a front derailleur shift to a higher or lower sprocket or chain ring, drop shift ability where a rear derailleur and a front derailleur shift to a pre-defined cassette sprocket and chain ring combination for re-initiation of motion from a stopping position, with thereof functionality programmable through a rider user interface with a manual mode programming screen and an automatic and tandem mode programming screen.

A motor-driven trailer and towbar system includes a towbar having a vehicle side end configured to connect with the vehicle and a trailer side end configured to connect with a trailer coupling. The towbar is pivotably coupled to the trailer and configured to pivot along a pivoting path (P) between a lowered position (L) and a raised position (R) with respect to the trailer. At least one first sensor element is configured to detect a position of the towbar along the pivoting path (P). A control unit (TCU) is in communication with the at least one first sensor element and is configured to switch the system between an operating mode and a parking mode. The system is switched into the parking mode when the towbar is in a raised position (R) and is switched into the operating mode when the towbar is in a lowered position (L).

An electric device of a human-powered vehicle comprises first wireless communicator circuitry and electronic controller circuitry. The first wireless communicator circuitry is configured to wirelessly communicate with second wireless communicator circuitry of a second electric device. The electronic controller circuitry is electrically connected to the first wireless communicator circuitry. The electronic controller circuitry is configured to obtain information relating to a positional relationship between the first wireless communicator circuitry and the second wireless communicator circuitry so as to generate at least one control signal based on the information.

A device for use to support a user on a surface, which comprises, at least in operation at least one front leg, a right rear leg and a left rear leg, a right arm engaging the left rear leg, thereby constituting a first arm-leg assembly, a left arm engaging the right rear leg, thereby constituting a second arm-leg assembly. The device further comprises a hub to which the first and second arm-leg assemblies are pivotably connected so as to enable the front and rear legs with the corresponding arms to pivot between distal and proximal positions thereof, to bring the device from a deployed state in which the arms and the rear legs are in their distal positions, into a folded state in which the arms and the rear legs are in their proximal position. The arm-leg assemblies form an X-shaped structure when the device is in the deployed state and extend parallel to each other at least along a majority of the length thereof when the device is in the folded state. The arms have a curved shape identical to that of the legs, at least along a majority of the length of the arms, so as to allow the arms to be slidingly aligned with, or be received in, the rear legs at least along the majority of the length of the arms at least when bringing the device into the folded state.

The utility model relates to the technical field of electro-tricycle braking, in particular to a linkage braking assembly and an electro-tricycle. The linkage brake assembly comprises a linkage valve, the linkage valve comprises a valve body, a first elastic piece and a transmission structure, the valve body is provided with a first containing cavity used for containing hydraulic oil, and a plunger structure is connected into the first containing cavity in a sliding mode. According to the utility model, by treading the pedal plate, the pedal plate drives the plunger structure to move through the transmission structure, and hydraulic oil in the first chamber is extruded to finish pressure buildup from the first oil outlet pump to the oil path input port of the front disc brake; the hydraulic oil in the second cavity is extruded to complete pressure buildup from the second oil outlet pump to the oil way input port of the rear drum brake, due to the arrangement of the first sealing structure and the second sealing structure, the first cavity and the second cavity are not communicated with each other, even if pressure buildup of one oil way fails, operation of the other oil ways cannot be affected, and the service life of the rear drum brake is prolonged. And the safety is higher.

The invention relates to a safety unit (14) for a two-wheeler (10). The safety unit (14) comprises an ABS unit (30) for controlling braking, and a communication unit (34) for communicating with other external devices. The ABS unit (30) comprises a power supply connection (46) for supplying the ABS unit (30) with power, a communication interface (50) via which the ABS unit (30) communicates with other units of the two-wheeler (10), a microprocessor (42a) for processing data and generating braking interventions, and a wheel speed sensor interface (54) for detecting at least one signal from a wheel speed sensor.The communication unit (34) comprises a power supply connection (46) for supplying the communication unit (34) with power, a communication interface (50) via which the communication unit (34) communicates with other units of the two-wheeler (10), a microprocessor (42b) for processing data, a mobile radio communication interface (74) for mobile communication with external units, and / or a satellite positioning unit (70) for determining the position of the two-wheeler (10). The ABS unit (30) and the communication unit (34) are housed in a common housing (38), and both units (30, 34) are connected via a common power supply connection (46) and a communication interface (50).

A sprocket support body comprises at least ten external spline teeth including a plurality of external-spline driving surfaces. The plurality of external-spline driving surfaces each includes a radially outermost edge, a radially innermost edge, and a radial length. A total of the radial lengths of the plurality of external-spline driving surfaces is equal to or larger than 7 mm. At least one external-spline driving surface has a first external-spline-surface angle. The first external-spline-surface angle ranges from 0 degree to 10 degrees. One tooth of the at least ten external spline teeth having a first circumferential spline size. The other teeth of the at least ten external spline teeth each have a second circumferential spline size that is smaller than the first circumferential spline size. A total number of the other teeth of the at least ten external spline teeth being equal to or larger than nine.

The invention relates to the technical field of vehicle safety, and discloses an intelligent safety early warning and emergency braking linkage device for an electric motorcycle. According to the device, the driving state and the surrounding environment of the motorcycle are monitored in real time by integrating various sensors, the relative distance between the motorcycle and an obstacle, the braking distance and the acceleration change rate can be accurately calculated, so that timely early warning of potential dangers is achieved, when abnormal conditions are detected, safety early warning signals can be rapidly sent out, and the safety of the motorcycle is guaranteed. The anti-lock braking system has the advantages that the anti-lock braking system is linked with the anti-lock braking system, emergency braking is automatically executed, the response time of a rider in emergency is effectively shortened, the risk of misjudgment is effectively reduced, the user feedback module provides real-time state information and safety suggestions for the rider through a networking data screen, the safety awareness and the coping capacity of the rider are further enhanced, and the safety of the rider is improved. According to the device, the active safety protection level of the motorcycle is improved, the accident rate can be reduced, and a safer travel environment is created for a rider.

To provide high braking performance at a more affordable cost than hydraulic disc brakes by combining mechanical advantage and control cable technology.SOLUTION: The present invention relates to a cable actuated disc brake system (100) that is designed to address mismatching of the performance and cost between drum brakes and hydraulic disc brakes. Utilizing a floating caliper design, the system (100) allows engagement of one brake pad to trigger a caliper (101) to float and engage with the other pad. The system uses components such as a caliper (101), a caliper cap (102), a cam lever (103), an upper cam (104), a lower cam (105), a spherical rollers (106), an adjuster (107), a piston (108), a spring (109), multiple mounting bolts (110), and a dust cap (111), to combine mechanical advantage and control cable technology.SELECTED DRAWING: Figure 2

A pressure control device has a device body partially delimiting a first circuit side opening, a second circuit side opening, and a conduit having a first conduit portion connectable to a first circuit to receive a first circuit fluid at a first circuit pressure and a second conduit portion connectable to a second circuit to receive a second circuit fluid at a second circuit pressure. A pressure adjusting mechanism controls the first and / or second circuit pressure to reach an actuating pressure. When at least one of the first and second circuit pressures is lower than a threshold pressure, the pressure adjusting mechanism prevents fluid passages between the first and second conduit portions to actuate either a first or a second braking device. When the first and second circuit pressures are both higher than the threshold pressure, the pressure control connects the first and second conduit portions to actuate the first and second braking devices.

A personal mobility vehicle, such as a scooter, includes at least one battery and motor for powering at least one driven wheel. The vehicle also includes a braking assembly configured to isolate the motor from the at least one driven wheel such that power is terminated from the motor to the at least one wheel in response to a user engaging a braking assembly of the vehicle. The vehicle can include a switch or position sensor that interacts with the braking assembly to initiate the isolation of the motor from the at least one driven wheel and the switch or position sensor preferably is inaccessible to the foot of the user.

Disclosed is an intelligent folding bicycle with a power wheel, including a front frame assembly and a back frame assembly folded through a rotating assembly, a fixing assembly movably arranged between the front frame assembly and the back frame assembly, a front power wheel assembly movably and detachably arranged on the front frame assembly, a back wheel assembly movably arranged on the back frame assembly, a handle assembly arranged above the front frame assembly, a cushion assembly arranged on the back frame assembly, and two pedals movably and symmetrically arranged on the front frame assembly or the back frame assembly, respectively. According to the present invention, functions of detaching the power wheel and folding the bicycle are achieved.

A system for a bicycle includes a plurality of controller devices. A type of controller device is the same for two or more controller devices of the plurality of controller devices. The system includes a pairing coordinator device configured to receive a respective device type identification from each controller device, and identify the type of controller device for the two or more controller devices based on the received device type identifications for the two or more controller devices. Based on the identification of the type of controller device, the pairing coordinator device is configured to update the device type identifications for the two or more controller devices, respectively, such that the updated device type identifications are different than each other. The pairing coordinator device is configured to pair only controller devices of the plurality of controller devices having different respective device type identifications with the pairing coordinator device.

The all-terrain vehicle braking system comprises a front wheel braking assembly, a rear wheel braking assembly, a braking pedal, a hand brake pump and a hydraulic pump, the hydraulic pump comprises a pump body, a piston mechanism, a connecting rod mechanism and an elastic mechanism, the pump body is provided with a hand brake oil inlet, a first oil outlet, a second oil outlet and a liquid supplementing opening, the hand brake oil inlet communicates with the hand brake pump, and the first oil outlet communicates with the second oil outlet; the first oil outlet communicates with a pressure opening of the rear wheel braking assembly through an oil conveying pipe, the second oil outlet communicates with a pressure opening of the front wheel braking assembly through an oil conveying pipe, and the connecting rod mechanism can drive the piston to move under the action of the braking pedal, so that oil liquid leaves the cavity through the first oil outlet and the second oil outlet. The hand brake oil inlet is used for receiving pressure generated by the hand brake pump, so that oil liquid leaves the cavity through the first oil outlet. The hydraulic pump in the hydraulic braking system integrates a hydraulic distribution function, so that the number of parts required by the hydraulic braking system for realizing hydraulic transmission is smaller, the air tightness of the system is improved, and the braking effect is more stable.

A control device includes a housing having a base portion and an extension portion. The base portion of the housing has an inward facing side and an outward facing side. The control device includes a lever coupled to and pivotable relative to the housing, and a master cylinder portion supported by the housing. The master cylinder portion has a hollow fluid cylinder. The control device also includes a piston assembly supported by the housing. The piston assembly is movable relative to the master cylinder portion. At least part of the piston assembly is disposed within the master cylinder portion. The master cylinder portion is angled relative to the outward facing side of the base portion of the housing, such that the first end of the fluid cylinder is closer to the outward facing side than the second end of the fluid cylinder is relative to the outward facing side.

The utility model provides an anti-lock brake upper pump assembly. The anti-lock brake upper pump assembly comprises a pump support, an oil cup, a lining, a push rod, a pressure relief hole and the like. When the push rod moves, the auxiliary oil supply hole and the pressure relief hole are communicated or blocked, the multi-time snub effect is achieved, and wheel locking is avoided. By arranging the communicating oil supply hole, the circulating communicating hole, the pressure retaining valve rod and other structures, the oil flowing path is optimized, the braking response speed is increased, and the oil utilization rate is increased. Meanwhile, the design of a first limiting gasket, a reset spring, teeth and the like is adopted, and the stability and reliability of the braking system are enhanced. The assembly is compact in structure, good in braking effect and suitable for various vehicle braking systems.

The invention relates to a bicycle trailer (10) with at least two wheels (12, 14) and a frame (16), as well as a first wheel mount (18) and a second wheel mount (20), wherein a first wheel (12) is mounted parallel to each other on the first wheel mount (18) and a second wheel (14) is mounted parallel to each other on the second wheel mount (20) such that the track width is defined by the distance between the first wheel (12) and the second wheel (14). The track width is adjustable at least to the extent that the first wheel (12) and the second wheel (14) can be adjusted between a small track width setting (S). k ) and a large track width setting (S g ) are adjustable to allow the bicycle trailer (10) to be used with a small track width setting and at least temporarily also with a large track width setting (S g ) to be able to use. Furthermore, a hazard detection device (22) is provided, by means of which the large track width setting (S g) is directly caused or initiated upon detection of a specific operating condition and / or by means of which the operation of the bicycle trailer (10) with the small track width setting (S k ) is restricted in certain operating conditions.

The utility model relates to an oil pressure self-balancing brake handle, an oil pressure disc brake and a bicycle. The oil pressure self-balancing brake crank comprises a pump body, a rotating base part is formed at one end of the pump body, an oil cylinder cavity with a single open end and an oil pool cavity with a single open end are formed in the pump body, the oil cylinder cavity is communicated with the oil pool cavity through at least one communicating hole, the oil pool cavity and the oil cylinder cavity are filled with brake oil, and the oil pool cavity is communicated with the rotating base part. The oil cylinder cavity is radially communicated with an oil outlet; the brake handle piece is rotationally assembled on the rotating base part through a brake handle rotating shaft; the first end of the oil pressure driving part is movably assembled in the oil cylinder cavity, and the second end of the oil pressure driving part is movably connected with the brake handle part, so that brake oil in the oil cylinder cavity is driven to be output to the oil outlet when the brake handle part moves; and the oil pressure balancing piece is arranged in the oil pool cavity so as to supplement brake oil into the oil cylinder cavity during brake action and balance brake oil pressure. According to the utility model, the piston body is movably assembled in the oil pool cavity and is matched with the brake handle pump body, so that the oil pressure self-balance of oil in a brake system is effectively realized, and the stable brake effect of an oil pressure disc brake is optimized.

A disc brake caliper is provided for a human-powered vehicle. The disc brake caliper basically includes a hydraulic caliper body and a first hydraulic piston. The hydraulic caliper body includes a first cylinder and a first attachment portion configured to couple a mechanical caliper body being configured to be operated by a cable. The first hydraulic piston is movably provided in the first cylinder to move a first brake pad into contact with a rotor, the first hydraulic piston being configured to be operated by a hydraulic fluid.

The present invention obtains a brake hydraulic pressure control apparatus that is mounted to a straddle-type vehicle and can improve an anti-vibration property when compared to the related art.The brake hydraulic pressure control apparatus according to the present invention includes: a base body formed with a channel for a brake fluid; a control board of a hydraulic pressure control mechanism for the brake fluid provided to the channel; a housing accommodating the control board and connected to the base body; and a connector provided to the housing and electrically connected to the control board, and is mounted to the straddle-type vehicle. The brake hydraulic pressure control apparatus includes a holding section that holds a cable connected to the connector.

A brake upper pump with double oil seals and lateral pressure relief comprises a brake pump body which is provided with a piston cavity and an oil storage cavity which are communicated with each other. The brake handle is in running fit with the brake pump body, and the brake handle is in transmission fit with the piston mechanism; the oil pipe assembly is communicated with the piston cavity; the piston mechanism comprises a piston body, a first oil seal and a second oil seal, the second oil seal is located on the front side of the first oil seal, and the effective oil pushing area S1 of the second oil seal is smaller than that of the first oil seal; the reset spring acts on the piston body; the pressure relief valve mechanism is mounted in the pressure relief cavity of the brake pump body; the piston cavity is at least provided with a large-diameter cavity section, a small-diameter cavity section and a variable-diameter cavity section, and the pressure relief cavity is communicated with the variable-diameter cavity section through a pressure relief channel. A large-small-diameter double-piston oil seal structure is adopted, the effect that the front section has a relatively large oil seal area and the rear section has a relatively small oil seal area is achieved, and the overall brake performance can be more linear.