Disclosed is an automatic vehicle suspension tuning system. The system has a control module to receive user input, an ECU with a processor and a memory, one or more road condition sensors, and one or more controllable suspension system components. The ECU controls the adjustments of the controllable suspension system component in response to user input to the control module as well as input from the road condition sensors during operation of the vehicle. A method of tuning a controllable suspension system component is also disclosed.

An anti-roll bar link for a vehicle suspension may be positioned between an anti-roll bar and an articulating arm. The link selectively transfers movement of the arm to the anti-roll bar, depending on a locked or unlocked state. The link includes a body interfacing a slidable shaft. A physical feature selectively locks or unlocks the slidable shaft with respect to the body. The physical feature may include a locking pin, interference with a locking ball, etc. In the locked state, translation of the slidable shaft is restricted, and movement of the arm is transferred through the link to the bar. In the unlocked state, translation of the slidable shaft is permitted, and movement of the arm causes the shaft to translate with respect to the body such that at least a portion of the movement is not transferred to the bar.

A clamp for securing a link to a bar or a rod in order to accommodate multiple connection points. The clamp or sway bar clamp includes multiple connection points for securing a link to a sway bar. The sway bar clamp goes over the end of the sway bar. It converts a sway bar with one connection point to a sway bar with multiple connection points to adjust flex of the sway bar.

Disclosed is an automatic vehicle suspension tuning system. The system has a control module to receive user input, an ECU with a processor and a memory, one or more road condition sensors, and one or more controllable suspension system components. The ECU controls the adjustments of the controllable suspension system component in response to user input to the control module as well as input from the road condition sensors during operation of the vehicle. A method of tuning a controllable suspension system component is also disclosed.

A resisting force change mechanism includes a first portion and a second portion configured to change a resisting force against relative displacement. The first portion is supported on any one of a first side member, a second side member, a first cross member, and a second cross member of a link mechanism where at least a portion thereof is superposed on one member at all times. The first portion is aligned with the one member and a steering shaft at the front. The second portion is supported on any other one of the body frame, the first side member, the second side member, the first cross member, and the second cross member that is displaced relative to the one member on which the first portion is supported. The second portion is located at a position where at least a portion thereof is superposed on the other member at all times.

An active roll control apparatus is provided. To adjust a stiffness value of the stabilizer bar by moving a stabilizer bar installed between left and right wheels of a vehicle and extending in a first direction and a stabilizer link connected to the stabilizer bar, the active roll control apparatus includes a sliding part having one side connected to the stabilizer bar and the other side connected to the stabilizer link to slide the stabilizer link in a second direction perpendicular to the first direction, and a movement restricting part installed at the sliding part to restrict movement when the sliding part slides.

A clamp for securing a link to a bar or a rod in order to accommodate multiple connection points. The clamp or sway bar clamp includes multiple connection points for securing a link to a sway bar. The sway bar clamp goes over the end of the sway bar. It converts a sway bar with one connection point to a sway bar with multiple connection points to adjust flex of the sway bar.

An adjustable anti-roll bar arrangement for a vehicle, comprising a bracket configured to be mounted in a fixed relationship to a chassis or a an axle of the vehicle, a linear actuator connected to the bracket, a guided element, the linear actuator being configured to drive the guided element along a first geometrical axis, a supporting shaft mounted to the bracket and defining a second geometrical axis which has a different extension compared to the first geometrical axis, an anti-roll bar, and a stabilizer stay having a first end connected to the anti-roll bar, and a second end movably connected to and supported by the supporting shaft, the second end being also connected to the guided element such that when the linear actuator drives the guided element along the first geometrical axis, the second end follows the motion along the second geometrical axis. The invention also relates to a vehicle comprising such an arrangement.

The ECU of the stabilizer control apparatus determines, based on a high frequency component of a wheel acceleration and a low frequency component of a wheel speed difference, whether a road surface state is a rough road state or a smooth road state. When the road surface state is determined to be the rough road state, the ECU sets a turning determination threshold to a rough road threshold. When the road surface state is determined to be the smooth road state, the ECU sets the threshold to a smooth road threshold. When a turning determination parameter is greater than the threshold, the ECU sets each of first, second, and third cylinders to a lock state to increase rigidity of stabilizers. When the turning determination parameter is smaller than the turning determination threshold, the ECU sets each of the cylinders to a free state to decrease the rigidity of the stabilizers.

A suspension system for a vehicle that has a vehicle body, a first wheel assembly that includes a first wheel hub, and a second wheel assembly that includes a second wheel hub. The suspension system includes a crossbar that is pivotally connected to the first wheel hub of the first wheel assembly and is pivotally connected to the second wheel hub of the second wheel assembly. The suspension system also includes a first active suspension actuator that is located near the first wheel assembly, is connected to the vehicle body, is connected to the crossbar, and supports the vehicle body with respect to the crossbar. The suspension system also includes a second active suspension actuator that is located near the second wheel assembly, is connected to the vehicle body, is connected to the crossbar, and supports the vehicle body with respect to the crossbar.