A second electric suspension device includes a second electromagnetic actuator that is provided between the vehicle body and a wheel of a vehicle and generates a driving force for damping vibration of the vehicle. The second electromagnetic actuator includes a columnar rod member and a casing surrounding the rod member and being provided capable of moving forward and backward relative to the rod member in the axial direction. Casing-side armature coils are provided in the casing in the axial direction, whereas magnets are provided in the rod member in the axial direction in such a manner as to face part of the casing-side armature coils in the casing. The magnets are formed by permanent magnets and electromagnets including rod-side armature coils.

A vehicle suspension system includes a leaf spring. The vehicle suspension system also includes a sensor embedded within the leaf spring and in operative communication with a vehicle system.

A roll stabilizer for a motor vehicle includes a plurality of sensors for detecting a plurality of measurement variables, in particular a torque sensor, a rotor position sensor and optionally an actuator temperature sensor. Each of the sensors resides on a separate sensor circuit board which is separate from a motherboard. The motherboard has electronics for evaluating the measurement variables detected by the sensors and/or for forwarding said measurement variables to an external control device.

An electric suspension device, includes: an electromagnetic actuator which is arranged in parallel to a spring member provided between an unsprung member and a sprung member and produces a drive force; an information acquisition section which acquires acceleration information of the unsprung member and sprung member along the expansion-contraction axis; a damping force calculation section which calculates a target damping force; and a drive controller which performs drive control for the electromagnetic actuator using a target drive force based on the target damping force. The information acquisition section acquires a road profile signal based on the acceleration information concerning the front-wheel side. The damping force calculation section calculates the target damping force of the electromagnetic actuator provided at least on the rear-wheel side, based on a signal component within a rear-wheel-side vibration damping target frequency range, of the road profile signal based on the acceleration information concerning the front-wheel side.

A vehicle includes a sprung mass including a cabin coupled to a chassis, tractive assemblies each including at least one tractive element, springs coupling the tractive elements to the sprung mass, each spring imparting an upward force on the sprung mass, load sensors each configured to provide a signal indicative of the force imparted by one of the springs, and a controller operatively coupled to the load sensors. The controller is configured to determine a weight of the sprung mass using the signals from the load sensors and monitor at least one operational condition of the vehicle. The controller is configured to determine whether or not to disable determination of the weight based on the at least one operational condition.

A load sensor system including one or more of a vehicle suspension including a pair of beams outwardly extending from a vehicle axle, a pair of air suspension assemblies correspondingly coupled between the pair of beams and a vehicle frame, where each of the air suspension assemblies includes a load sensor capable of generating a load signal, a load sensor computer communicatively coupled to the load sensor having a load sensor program including a load calculator, and a central computer communicatively coupled to the load sensor computer having a central program executable to receive the load calculated by the load sensor computer.

An additional spring for a shock absorber of a motor vehicle and a damper bearing for a shock absorber of a motor vehicle. In this case, the additional spring includes a first spring body which has a central hole for guiding through a piston rod of the shock absorber. The first spring body is formed spherical on an end face. The damper bearing according to the invention comprises a cylindrical receptacle space in which the first spring body of the additional spring is retained at least in certain regions, and is distinguished in that the receptacle space has a spherically formed base surface formed corresponding to the end face of the first spring body.

A vibration device includes a vibration element that has a plurality of terminals, a base that has a plurality of electrical connection terminals, and a board that has a wiring portion which electrically connects the plurality of electrical connection terminal and the plurality of terminals to each other, and that supports the vibration element with respect to the base. The board has a base fixing portion fixed to the base, a vibration element mounting portion on which the vibration element is mounted, and at least one beam portion which couples the base fixing portion and the vibration element mounting portion to each other. At least the one beam portion has a first portion which extends in a first direction and a second portion which extends in a second direction intersecting the first direction.

A vehicle includes a sprung mass including a cabin coupled to a chassis, tractive assemblies engaging the chassis, each tractive assembly including a pair of tractive elements, gas springs coupling the tractive elements to the sprung mass, and a controller operatively coupled to pressure sensors. Each gas spring is configured to impart an upward force on the sprung mass. The upward force varies based on a pressure of a pressurized gas within a chamber of the gas spring. Each pressure sensor is configured to provide a signal indicative of the pressure of the pressurized gas within one of the chambers. The controller is configured to determine a weight of the sprung mass using the signals from the pressure sensors. The controller is configured to monitor at least one operational condition of the vehicle and determine whether or not to disable determination of the weight based on the operational condition.

A piezo-electric air spring, comprising an air spring and a piezo-electric sensor for generating electrical charges to determine the weight of a semi-trailer.