An embodiment composite material spring for a suspension device of a vehicle includes a leaf spring configured to be installed in a body of the vehicle and a wheel of the vehicle, a first fluid container installed at a left side of a center of the leaf spring and including a first magnetorheological fluid, and a second fluid container installed at a right side of the center of the leaf spring and including a second magnetorheological fluid.

Methods and systems are provided for adjusting a height of an electric vehicle with an adjustable suspension system. In one example, a method comprises: during a vehicle stop event, adjusting a height of a skateboard frame of an electric vehicle via an adjustable suspension system, based on at least one sensor input indicative of a desired skateboard frame height. In this way, user activities, including loading and unloading, may be facilitated.

A method for analyzing and managing a vehicle load carried by a vehicle, the vehicle having a fluid suspension system, the method including sampling, at a manifold of the fluid suspension system, a set of fluid pressure corresponding to a set of fluid springs of the fluid suspension system, wherein the set of fluid springs supports the vehicle load; determining an existing stiffness distribution, the existing stiffness distribution including a stiffness value associated with each of the set of fluid springs; determining a contextual dataset during vehicle operation; determining a desired stiffness distribution based on the contextual dataset; automatically controlling the set of fluid springs at the plurality of actuation points based on the desired stiffness distribution, wherein controlling the set of fluid springs includes setting the stiffness value of the fluid spring associated with each of the plurality of actuation points.

Systems and apparatuses include a tag axle system including an axle assembly, a linkage coupling the axle assembly to a vehicle chassis, and a hydraulic cylinder coupled between the vehicle chassis and the axle assembly. The hydraulic cylinder actuates the axle assembly between a raised position and a lowered position, and acts as a spring damper suspension component.

The invention relates inter alia to a steerable independent wheel suspension for a mobile agricultural machine. A support device serves for the pivotable mounting of the independent wheel suspension on a frame part of the agricultural machine. At least one guide column is mounted displaceably in the support device. A wheel hub is guided displaceably along the at least one guide column. A bracket is connected fixedly to the at least one guide column so as to move with the at least one guide column. The bracket can allow a flexible and improved arrangement of height adjustment means, damping means and spring-mounting means of the independent wheel suspension.

In various embodiments, methods and systems for controlling a suspension system of a vehicle are provided. In one embodiment, a control system includes: one or more first sensors configured to measure a velocity of the vehicle; one or more second sensors configured to detecting one or more additional vehicles that ae moving in relation to the vehicle; and a processor that is coupled to the first sensors and the second sensors and that is configured to provide instructions for adjusting the suspension system of the vehicle, based on the measured velocity of the vehicle and the detected one or more additional vehicles that are moving in relation to the vehicle.

A suspension actuator includes an upper mount, a lower mount, a first actuator mechanism, and a second actuator mechanism. The upper mount is connectable to a sprung mass of a vehicle. The lower mount is connectable to an unsprung mass of the vehicle. The first actuator mechanism forms a first load path between the upper mount and the lower mount. The first actuator mechanism is one of an electromagnetic linear actuator mechanism or a ball screw actuator mechanism. The second actuator mechanism forms a second load path in parallel with the first load path between the upper mount and the lower mount. The second actuator mechanism is one of a mechanical linear actuator mechanism, an air spring actuator mechanism, or a hydraulic actuator mechanism.

A shock absorber includes a cylinder including a working chamber therein; a rod configured to be axially movably inserted into the cylinder; and a plurality of tanks configured to be integrally attached to the cylinder, wherein an interior of one of the tanks is comparted into a liquid chamber configured to be communicated with the working chamber and filled with liquid and an air chamber filled with gas, and a sub-air chamber configured to be communicated with the air chamber is formed in the other tank.

Systems and apparatuses include a chassis mount configured to couple to a vehicle chassis, an axle assembly including wheels, a four-bar linkage coupling the axle assembly to the chassis mount, and a hydraulic cylinder coupled between the chassis mount and the axle assembly. The hydraulic cylinder actuates the axle assembly between a raised position and a lowered position and acts as a spring damper suspension component.

A vehicle suspension system configured to utilize a compressed gas for operation of the vehicle suspension wherein the vehicle suspension system is operable in a first mode and a second mode. The vehicle suspension system includes a controller operably coupled to a compressor and a plurality of sensors. The compressor is coupled to a first input source and a second input source. The first input source is utilized in the first mode wherein the vehicle is in an environment that is above freezing. The second input source is utilized in an environment that is below freezing. An antifreeze introduction module is operably coupled to the second input source and is configured to provide introduction of an antifreeze compound into the second input source and subsequently the components of the vehicle suspension system. The vehicle suspension system further includes air springs, leveling valves being operably coupled by a network of lines.