84 results about "Ride height" patented technology

An adjustable ride height vehicle aerodynamic system comprises an aerodynamic element ride actuator and an aerodynamic element angle actuator connected in series and mounted in a vehicle. An aerodynamic element is adapted to rest in an inactive stowed position and to move from the stowed position to at least one active deployed position at an angle in relation to a vehicle underbody under the control of the aerodynamic element angle actuator to alter vehicle aerodynamic characteristics. The aerodynamic element ride actuator is adapted to extend and retract synchronously with a respective vehicle ride height increase and decrease, and the aerodynamic element angle actuator is adapted to extend and retract respectively to deploy and to stow the aerodynamic element.

Presented are advanced control systems providing tire change modes for vehicles with adjustable ride-height suspension systems, methods for making / using such systems, and vehicles equipped with such systems. A method of operating a vehicle includes a controller receiving an input signal indicative of a tire change event for the vehicle, and determining a location of a tire associated with the tire change event. In response to receiving the input signal, the controller determines if a real-time slope of the vehicle is greater than a preset maximum secure slope; if not, the controller prompts a user to prepare the vehicle for the tire change event. After prompting the user to prep the vehicle, the controller commands the vehicle's ride height suspension system to lower the ride height of the tire's corner module to a predefined lowered height and raise the ride height of all other corner module to a predefined raised height.

Proposed are an apparatus for and a method of controlling a vehicle suspension. The apparatus includes a sensor configured to acquire at least one of information on a road surface in front of a vehicle and state information of the vehicle; and a processor configured to predict a vehicular behavior based on the information acquired through the sensor and actuator information and to control at least one of a ride height of the vehicle, stiffness of an air spring, and a damping force of a damper based on the predicted vehicular behavior.

An adjustable shock adapter for converting a non-adjustable shock into a shock with full spring and ride height adjustment. The adjustable shock adapter may include a tubular component adapted for engagement with a shaft of the non-adjustable shock. The tubular component may include a rim extending radially outward from an outer surface of the tubular component, located towards the bottom of the tubular component, and positioned against a fixed component of the shock absorber to prevent the tubular component from sliding past the component. The adjustable shock adapter may also include a collar mounted to the outer surface of the tube-shaped component and moveable upwards or downwards along the tubular component and locked into place. The collar may include a second rim positioned against a spring of the non-adjustable shock, acting as a stopper to limit how low the height of the UTV can be adjusted.

Aspects of the present invention relate to a method and to a control system for controlling an active suspension of a vehicle, the control system comprising one or more controllers, the control system configured to: obtain information indicative of a change of gradient of a driving surface in a direction of travel; and control the active suspension to adjust relative ride height between a front and rear of a vehicle body of the vehicle above the driving surface beneath the vehicle in dependence on the change of gradient.

An integrated ride height system is provided wherein the system is configured couple to a vehicle. The system includes a coilover shock absorber and a hydraulic preload cylinder coupled to a shock body of the coilover shock absorber. The hydraulic preload cylinder engages an end of a coil spring of the coilover shock absorber. The system includes a reservoir coupled to the shock absorber allowing hydraulic fluid to flow between the reservoir and the coilover shock absorber. The system includes a reversible pump coupled between the hydraulic preload cylinder and the reservoir, wherein the pump operates to pump hydraulic fluid from the reservoir to the hydraulic preload cylinder to extend the hydraulic preload cylinder to increase ride height of the vehicle and operates to pump hydraulic fluid from the hydraulic preload cylinder to the reservoir to retract the hydraulic preload cylinder to decrease ride height of the vehicle.

Presented are advanced control systems providing tire change modes for vehicles with adjustable ride-height suspension systems, methods for making / using such systems, and vehicles equipped with such systems. A method of operating a vehicle includes a controller receiving an input signal indicative of a tire change event for the vehicle, and determining a location of a tire associated with the tire change event. In response to receiving the input signal, the controller determines if a real-time slope of the vehicle is greater than a preset maximum secure slope; if not, the controller prompts a user to prepare the vehicle for the tire change event. After prompting the user to prep the vehicle, the controller commands the vehicle's ride height suspension system to lower the ride height of the tire's corner module to a predefined lowered height and raise the ride height of all other corner module to a predefined raised height.

Aspects of the present invention relate to a speed control system (15) for a vehicle (10), to a method and to a vehicle (10). An aspect relates to an off-road speed control system (15). The system (15) causes the vehicle (10) to drive at a target speed value. The system (15) receives ride height information indicative of a ride height setting of a suspension of the vehicle (10), and sets a maximum vehicle speed limit in dependence at least in part on the ride height information.

A system 100, for controlling a damper (500, Fig. 5) of a suspension system (550, Fig. 5) of an automotive vehicle (300, Fig. 3), the suspension system (550, Fig. 5) being operable at several ride hei

A method and system for adjusting the height of a vehicle's air suspension through a software application or physical buttons or dials is provided. The system includes a ride height sensor that is configured to detect and measure the height of a vehicle. Further, the system includes an electronic module in communication with the ride height sensor and a ride height control module of the vehicle, wherein the ride height sensor or the electronic module being adapted to alter voltage / current or encoder data sent to the ride height control module. Further, the system includes means for electronically programming the ride height sensor or the electronic module, wherein the programming is performed using physical buttons or dials on the sensor or by connecting the electronic module to a user's electronic device via Bluetooth or other wireless or wired technology.

Methods and apparatus for facilitating a tire change are disclosed. An example apparatus includes an interface circuit, machine-readable instructions, and a programmable circuit to instantiate or execute the machine-readable instructions of at least one of: detecting an under-inflated tire of a vehicle; causing an air suspension system to raise a ride height of the vehicle to a first height in response to detecting the under-inflated tire; and causing the air suspension system to prevent air movement after the ride height is raised to the first height.

The utility model discloses a chassis height adjusting device and a mower, the chassis height adjusting device comprises an adjusting base, a driving assembly, a control module, a front shaft assembly, a rear shaft assembly and a rod body assembly, the front shaft assembly and the rear shaft assembly are used for bearing a mower main body, and the rod body assembly is connected with the driving assembly, the front shaft assembly and the rear shaft assembly; the driving assembly can drive the rod body assembly to drive the front shaft assembly and the rear shaft assembly to lift or lower the mower body, a trigger switch is arranged on the rod body assembly, a plurality of trigger bases matched with the trigger switch are arranged on the adjusting base, the trigger switch and the trigger bases are all connected with the control module, and in the lifting or lowering process of the mower body, the control module is connected with the control module. The trigger switch and the trigger base are selectively matched and conducted, and when the trigger switch and the trigger base are conducted, the control module controls the driving assembly to stop lifting or lowering the mower body, so that gear adjustment of the height of the mower chassis is achieved, and time and labor are saved.

A method for powerhop identification and mitigation includes receiving sensor data of a vehicle, such as wheel speed; determining a wheel jerk characteristics of the vehicle based on the wheel speed; determining a ride height of the vehicle; determining whether the vehicle is experiencing powerhop based on the wheel jerk characteristics and the ride height of the vehicle; and in response to determining that the vehicle is experiencing powerhop, adjusting a torque of the vehicle to mitigate the powerhop.

The utility model discloses a variable vehicle body protection device, which relates to the technical field of vehicle body protection and comprises a truck body, side protection mechanisms are mounted on two sides of the truck body and comprise first rotating shafts, the first rotating shafts are rotatably connected with the truck body, and connecting blocks are fixedly connected to the tops and the bottoms of the first rotating shafts. A pin hole is formed in the connecting block, an upper guardrail is arranged above the first rotating shaft, and a lower guardrail is arranged below the first rotating shaft; the truck body is protected by arranging the front and rear protection mechanisms and the side protection mechanism, the lower guardrail can flexibly rotate around the first rotating shaft and the second rotating shaft respectively, in a special construction site with complex road conditions, the side protection mechanism can be folded by manually rotating the lower guardrail upwards, and the front and rear protection mechanisms can also be correspondingly adjusted; and collision with obstacles around or on the ground is avoided, normal passing of the truck is guaranteed, and the applicability and flexibility of the truck under different road conditions are improved.

To provide a selectively switchable dual mode vehicle suspension system capable of selectively and switchably providing both a low rate, optimal ride comfort setting and a high rate, optimal handling lower ride height setting.SOLUTION: A spring configuration comprises a cylindrical damper (5), a primary coil spring (9) with a first spring rate Kl, and a secondary coil spring (11) with a second spring rate K2. The coil springs are arranged about the cylindrical damper in series so as to provide an overall combined spring rate KT. An actuator (20) is configured to compress and decompress the coil springs. A stop (12) is configured to deactivate the secondary coil spring at a stop position, such that, when the system is in a first comfort mode, the overall spring rate is defined by an equation 1 / KT=1 / Kl+1 / K2, and when the system is in a second handling mode, the overall spring rate is defined by an equation KT=Kl.SELECTED DRAWING: Figure 4C-4D

A vehicle of the present disclosure includes a vehicle body and a damper assembly for controlling movement of a wheel relative to the vehicle body. The vehicle includes a fluid connector spaced from the damper assembly and supported at the vehicle body, the fluid connector in fluid communication with the damper assembly to provide fluid to the damper assembly and increase ride height of the vehicle.

An airshock assembly is disclosed. The airshock assembly includes a shock absorber an airspring, and an air compressor assembly. The airspring is axially coupled with a portion of the shock absorber and used to modify a ride height of the shock absorber. The air compressor assembly is coupled with a portion of the shock absorber. The air compressor assembly is used to modify an air pressure in the airspring without requiring the airshock assembly to utilize an air reservoir.

A golf vehicle includes a chassis having a front end and a rear end, a suspension system coupled to the chassis, a first plurality of tractive assemblies, a second plurality of tractive assemblies, a first axle assembly coupled to the suspension system and the first plurality of tractive assemblies, and a second axle assembly. The second axle assembly is coupled to the suspension system and the second plurality of tractive assemblies, and includes a first shaft assembly and a second shaft assembly. The first shaft assembly and the second shaft assembly are interchangeable to transition the second axle assembly between (i) a first configuration that provides a first ride height for the front end or the rear end and (ii) a second configuration that provides a second ride height for the front end or the rear end that is greater than the first ride height.

A vehicle controller of a vehicle is configured to receive instructions to adjust a terrain clearance of the vehicle. In the event that the surface supporting the vehicle does not meet the requirements for flatness and levelness, an amount of air in an air spring of each of a plurality of suspensions of the vehicle is adjusted to achieve a target air quality for each suspension. Where the surface supporting the vehicle meets the requirements for flatness and levelness, the vehicle controller is configured to adjust the amount of air in the air spring of each of the plurality of suspensions of the vehicle to achieve a target output from a terrain clearance sensor of each suspension.

To provide an internal gear pump capable of reducing the size of a motor, and a liquid pressure device and a buffer with a vehicle height adjustment function that can be downsized even when comprising the internal gear pump.SOLUTION: An internal gear pump 1 in the present invention includes: a case 2; an outer rotor 3 that is annular, has internal teeth 3a provided on an inner periphery and external teeth 3b provided on an outer periphery, and is rotatably housed in the case 2 in a circumferential direction; an inner rotor 4 that is housed in the case 2, and is an external gear that is inserted into the inner peripheral side of the outer rotor 3 and meshes with the outer rotor 3; a driving gear 5 meshing with the external teeth 3b of the outer rotor 3; and a motor 6 that drives the driving gear. The number of teeth of the driving gear 5 is smaller than the number of teeth of the external teeth 3b of the outer rotor 3.SELECTED DRAWING: Figure 2

The utility model provides a kind of vehicle chassis height detection device, belong to vehicle detection technical field, including detection device main body, detection device main body includes operating assembly and the detection component for vehicle chassis height detection;Wherein, detection component includes gear disc, the surface of gear disc is fixedly connected with two groups of rotating lever, and the both ends of rotating lever movably sleeve head limit seat and tail limit seat are positioned;Rotating lever both ends are positioned by head limit seat and tail limit seat respectively, ensure that rotating lever stably rotates.The utility model is through the mechanical linkage structure of operating assembly and detection component, replaces traditional manual tape measure, avoids the measurement error caused by artificial operation subjective factor, greatly improves the accuracy of detection result, and structure design is simple, need not complex big data system support, reduces development maintenance cost.

System for determining whether a vehicle's ride height should be prevented from being lowered when the vehicle speed exceeds a speed threshold, the system comprising the following: a processor with one input configured to receive driving attribute data from at least one onboard vehicle driving attribute sensor, wherein the driving attribute data specifies the unevenness of the surface over which the vehicle is traveling; and a data storage device configured to store at least one predetermined driving attribute threshold for the driving attribute sensor or sensors, wherein the processor is configured to calculate a driving attribute parameter depending on the driving attribute data received for the driving attribute sensor or sensors; and wherein the processor is configured to compare the or each calculated driving attribute parameter with the corresponding at least one predetermined driving attribute threshold to determine whether the vehicle is driving on a smooth surface or an uneven surface, and to lower the ride height if the vehicle speed exceeds the speed threshold, unless it is determined that the vehicle is driving on an uneven surface.

The invention relates to a vehicle chassis height adjusting system, and belongs to the technical field of vehicles, the vehicle chassis height adjusting system comprises four groups of elastic supporting assemblies installed between a wheel assembly and a chassis, and each group of elastic supporting assembly is composed of a suspension spring and a shock absorber; each elastic supporting assembly is connected with one lifting actuator, and the lifting actuators are used for driving the elastic supporting assemblies to ascend or descend so as to ascend or descend the chassis; and the attitude control module is connected with the four lifting actuators, and the attitude control module is used for controlling the operation of the four lifting actuators. By means of the structure, the four lifting actuators drive the four sets of elastic supporting assemblies to ascend and descend correspondingly, so that the chassis ascends or descends, the ground clearance of a vehicle is adjusted, it is guaranteed that the vehicle can smoothly pass through various grounds, and a vehicle body can be leveled when the vehicle is parked on the uneven ground.

A vehicle (1) comprising a wheel assembly (2, 3,11), a cover arrangement (10) configured to at least partly encapsulate the wheel assembly (2, 3,11), and a suspension system (8) configured to control ride height of the vehicle (1). The cover arrangement (10) comprises a first body portion (12) and a second body portion (14). The first body portion (12) is mounted in the vehicle (1) such that a distance (D) between the first body portion (12) and the second body portion (14) may be varied through control of ride height of the vehicle (1) using the suspension system (8). A control arrangement (100) and a method for controlling tire temperature of the wheel assembly (2, 3,11) are also provided.

Particular embodiments may provide a virtual off-road guide for a learning vehicle. In some embodiments, a control system for a learning vehicle comprises one or more processors and a memory coupled to the processors comprising instructions executable by the processors, the processors being operable when executing the instructions to receive a trace of an off-road trail traversed by a precedent vehicle and corresponding trace parameters; in response to receiving the trace parameters, adjusting one or more driving parameters of the learning vehicle based on the trace parameters; and providing instructions for traversing the trace based on the trace parameters. In some embodiments, the trace parameters comprise location, orientation, relative position along the off-road trail, ride height, drive mode, brake regeneration level, steering angle, power consumption, acceleration, or torque.

The present disclosure relates to a system (10) for controlling a ride height (rh) of a vehicle (80) which has one or more wheels (12) The system (10) includes a first ride height setting device (20) configured to adjust the ride height (rh) of the vehicle by applying a first force to a first section (22) of the vehicle at a wheel (12) of the vehicle. The system (10) includes a second ride height setting device (24) configured to maintain the ride height (rh) set by the first ride height setting device (20) by applying a second force to the first section (22) of the vehicle. The system (10) is configured to adjust a ratio between the first force and the second force. The present disclosure also relates to a method and a control unit (40) for controlling a ride height (rh) of a vehicle (80).

Two or more sensors positioned at a wheel of a stopped vehicle may detect an unwanted substance, and transmit signals, based on which a height level of the substance is determined. The system may also determine a type of the substance, such as water, snow, sand or mud, based on electrical resistance of the substance detected by the sensors. Cameras or other imaging equipment, including LIDAR, may also be used to determine the substance height and / or composition. Accordingly, actions to protect the vehicle may be taken, such as raising or lowering the ride height of the vehicle body using an adjustable suspension of the vehicle. Other protective actions may include closing vents, seals, valves and battery isolation units, and transmitting messages to a vehicle driver and / or to emergency personnel.

A spring configuration comprises a cylindrical damper (5), a primary coil spring (9) having a first predetermined elastic stiffness K1 and a secondary coil spring (11) having a second predetermined elastic height K2, arranged in series around the cylindrical damper (5) to provide a total combined elastic stiffness KT, an actuator (20) configured to compress and decompress the coil springs (9, 11), the stop (12) is configured to deactivate the secondary coil spring in the stop position such that when the system is in the first comfort mode, the total suspension elastic stiffness is defined by a series equation 1 / KT = 1 / K1 + 1 / K2, and when the system is in the second actuation mode, the total vehicle suspension elastic stiffness is defined by a series equation KT = K1, this selectively and switchably provides a low stiffness optimal ride comfort setting and a high stiffness optimal maneuver lower ride height setting.

A motorcycle has several features beneficial for 60% off-road use, including for people of short stature. The motorcycle frame has sub-frame tubes attached to a main frame at left and right upper sub-frame connection points and left and right lower sub-frame connection points with a sub-frame connection spacing between the connection points. The main frame has a main frame span distance between a head tube axis and the lower sub-frame connection points. A sub-frame connection spacing / main frame span ratio is in the range from 0.16 to 0.24. The upper sub-frame tubes define a riding waist with a ride height over the wheel axis plane. A ride height ratio of the ride height divided by the wheelbase is in the range from 0.26 to 0.4. Left and right inside bottom mounts each include a prime mover assembly mount flange, a rear shock absorber mount flange and a kickstand mount flange.

Examples described herein provide a method for coordination between active downforce and active suspension control elements for a vehicle, including determining an optimal ride height for the vehicle based on current conditions of the vehicle. The method further includes determining a suspension actuator force to implement the optimal ride height for the vehicle. The method further includes, by an active suspension system of the vehicle, controlling an actuator using the suspension actuator force to achieve the optimal ride height for the vehicle.