A method of setting the rides height of the air springs and air pressures of the tires, including receiving a user selected setting or preprogrammed ride height settings; sensing a ride height of, and air pressure within, each of the air springs; determining the weight of the vehicle based on the sensed ride height and air pressure within each of the air springs; providing specified ride heights for the left and right front and rear air springs; determining specified air pressures for the left and right front and rear tire inflators, based upon the determined weight of the vehicle and selected setting; inflating the left and right front and rear air springs to the specified ride heights; and inflating the left and right front and rear tires to the specified air pressures.

Provided is a vehicular suspension device that achieves both of improvement in driving stability and improvement in vehicle movement performance. The vehicular suspension device includes a suspension capable of adjusting a roll center height by control of an actuator, and a roll center controller. The controller includes a traveling state corresponding height determination unit configured to determine the roll center height of the suspension in accordance with a predetermined rule on the basis of vehicle speed information and road surface information, and an actuator controller configured to control the actuator so that the roll center height reaches the roll center height determined by the unit.

One or more systems are disclosed for controlling dampening forces provided by a shock absorber by means of a piston face and an additional dampening shim underneath the piston face in the shock absorber. The piston face is coupled to a piston and the dampening shim is positioned beneath a bottom surface of the piston face. The piston face includes a first set of openings and a second set of openings on the piston face that have differing sizes and diameters. The dampening shim has a diameter that is less than the diameter of the piston face. When fluid pressure is applied against the underside of the dampening shim, the dampening shim partially blocks the first set of openings and fully blocks the second set of openings on the piston face from the bottom of the piston face, which thereby affects the overall dampening of the shock absorber.

A modular electronic damping control system is described and includes a damping component located at a vehicle suspension location. The modular electronic damping control system also includes a control system configured to control the damping component, and determine the type of damping component present. Also, the control system is configured to automatically tune a vehicle's suspension based on the type of damping component present, and automatically monitor the damping component and determine when a change has been made to the damping component so that the control system can then automatically re-tune the vehicle's suspension based on the change to the damping component.

A vehicle includes a chassis, a first actuator coupled to the chassis, a second actuator coupled to the chassis, a third actuator coupled to the chassis, a fourth actuator coupled to the chassis, and a fluid circuit. The fluid circuit is configured to facilitate selectively fluidly coupling the first actuator, the second actuator, the third actuator, and the fourth actuator in a plurality of different configuration. In each of the plurality of different configurations, two of the first actuator, the second actuator, the third actuator, and the fourth actuator are fluidly coupled together while the other two of the first actuator, the second actuator, the third actuator, and the fourth actuator are fluidly decoupled.

A vehicle system includes a controller. The controller is configured to be communicably coupled to a plurality of actuators of a vehicle that facilitate repositioning a plurality of tractive elements coupled to a chassis of the vehicle. The controller is configured to (i) control the plurality of actuators to selectively reposition each of the plurality of tractive elements through a range of motion to attempt to maintain the chassis level and (ii) drive each of the plurality of actuators toward a mid-stroke position while continuing to attempt to maintain the chassis level and while the vehicle is moving.

A lift device includes a base, an arm, a tractive element, and a steering actuator. The arm has a base end coupled to the base and a tractive element end. The arm includes a steering actuator interface positioned along an exterior surface of the arm. The tractive element is coupled to the tractive element end. The steering actuator has a first end coupled to the steering actuator interface and an opposing second end coupled to the tractive element. The arm includes a plate extending from the exterior surface of the arm at an upward angle and past the steering actuator.

Disclosed is a shock absorber for a vehicle including a cylinder filled with a fluid, a piston rod disposed inside the cylinder, a piston valve disposed at a lower portion of the piston rod, a stopper installed above the piston valve on the piston rod, a free piston configured to divide the cylinder into a first chamber and a second chamber below the first chamber and installed on the piston rod to be movable upward from the stopper, a spring configured to elastically support the free piston, and a bypass portion provided on an inner circumferential surface of the cylinder.

A system and method for utilizing an active valve customizable tune application is disclosed. The system includes a mobile device having a memory, an active valve tune application, and at least one processor. The processor initiates the active valve tune application, receives, from a database, an active valve suspension tune having a number of performance range adjustable settings, and receives user related input information. At least one of the performance range adjustable settings is modified based on the received input information to generate a modified active valve suspension tune. The system includes an active suspension of a vehicle, wherein the modified active valve suspension tune is implemented by the active suspension.

The invention is so configured that a main valve is disposed under a piston valve, that a sub valve for varying the set load of the main valve is provided in a piston case located above the piston valve, and that a first valve element of the sub valve is slidably sealed onto a case member with a metallic seal only at a single place.