Disclosed is a forecarriage of a rolling motor vehicle with three or four wheels, comprising: a forecarriage frame; at least a pair of front wheels kinematically connected one to each other and to the forecarriage frame by means of a first kinematic mechanism which enables the front wheels to roll in a synchronous and specular manner, each wheel being connected to said rolling kinematic mechanism by means of a respective axle journal, the latter being mechanically connected to a rotation pin of the wheel in order to support it rotatably around an axis of rotation; means of suspension which provide each axle journal at least one spring suspension movement with respect to said rolling kinematic mechanism; a steering device which kinematically connects the axle journals to each other so as to command the rotation of the axle journals around respective steering axes of each front wheel.

A vehicle includes: a vehicle body; three or more wheels; an operation input unit to be operated to input a turning direction; and a lean mechanism for leaning the vehicle body in its width direction. Within at least partial range of vehicle velocity, the vehicle is configured to travel in a mode in which the vehicle body is leaned by the lean mechanism according to an input into the operation input unit, and a steering angle of a steered wheel changes following a lean of the vehicle body. And, the vehicle includes a changing device for changing a turn resistance force acting between the vehicle body and the steered wheel.

An inertial regulation active suspension system based on posture deviation of a vehicle and a control method thereof are provided. The system comprises a vehicle body, an inertial measurement unit, an electronic control unit, a servo controller group, a plurality of wheels, suspension servo actuating cylinders respectively corresponding to the wheels, and displacement sensors for measuring a stroke of the suspension servo actuating cylinders. The electronic control unit reads posture parameters of the vehicle body measured by the inertial measurement unit, and calculates a deviation between the postures of the vehicle body at a current moment and at a previous moment, and then outputs posture control parameters to the servo controller group. The servo controller group controls extension and retraction of each of the suspension servo actuating cylinders according to the posture control parameters and displacement feedback values of the displacement sensors.

A vehicle-mounted motion simulation platform based on active suspension and a control method thereof is provided. The vehicle-mounted motion simulation platform includes a vehicle body, a motion simulation platform fixedly connected to the vehicle body, an upper computer for posture control, a gyroscope, a plurality of wheels, and suspension servo actuating cylinders and displacement sensors corresponding to the wheels respectively, an electronic control unit, and a servo controller group. The electronic control unit calculates posture control parameters based on the posture instructions of the motion simulation platform input by the upper computer for posture control and posture information of the motion simulation platform measured by the gyroscope, and then outputs the posture control parameters to the servo controller group. The servo controller group controls extension of the respective suspension servo actuating cylinders according to the posture control parameters to realize follow-up control over the posture of the motion simulation platform.

A tilt control system for a sidecar and a motorcycle. The tilt control system can include a main frame, a tilting frame, and an actuator. The actuator can be coupled to the main frame and to the tilting frame, and can be configured to control tilting of the tilting frame relative to the main frame. The tilt control system can include a sensor, and a controller in communication with the actuator and the sensor. The controller can be configured to determine an operating parameter based on sensor data received from the sensor, compare the operating parameter to a threshold criteria, and cause the actuator to control the orientation of the tilting frame relative to main frame, based on the comparison of the operating parameter to the threshold criteria.

Motor vehicle forecarriage (8) comprising a forecarriage frame (16), a pair of front wheels (10, 10) kinematically connected to the forecarriage frame (16) by means of an articulated quadrilateral (20), said articulated quadrilateral (20) comprising a pair of cross members (24, 24), hinged to the forecarriage frame (16) at middle hinges (28), said cross members (24, 24) being connected to each other at opposite transverse ends (40, 44), by means of uprights (48, 48, 48) pivoted to said transverse ends (40, 44) at side hinges (52), the cross members (24, 24) and the uprights (48), the tilting support structure (72) being hinged to the articulated quadrilateral (20) by means of steering hinges (76) a guide wheel (88) connected to the rotation pin (68) of front wheel (10, 10) at a special wheel attachment (94), a support bracket (92) hinged to the articulated quadrilateral (20) by means of said steering hinges (76), the guide wheel (88) being in turn hinged to the support bracket (92) at opposite upper and lower axial ends (96, 98).

The present invention relates to a forecarriage of a rolling motor vehicle with three or four wheels, comprising: a forecarriage frame; at least one pair of front wheels kinematically connected to each other and to the forecarriage frame by means of a first kinematic mechanism which enables the front wheels to roll in a synchronous and specular manner, each wheel being connected to the first kinematic mechanism by means of a respective axle journal the latter being mechanically connected to a rotation pin of the wheel in order to support it rotatably around an axis of rotation, a roll block system; suspension means which guarantee each axle journal at least one spring suspension movement with respect to said first kinematic mechanism.

A rolling motor vehicle (4) comprising a forecarriage frame (16), at least one pair of front wheels (10), a rolling kinematic mechanism (20) to which each wheel (10) is connected by means of a respective axle journal (60), a roll control system (100) comprising a rod (110) which connects the two front wheels (10) directly to each other at the respective axle journals (60), the roll movements of the two front wheels (10) and of the respective axle journals (60) causing changes in the lying position of said rod (110) with respect to a vertical projection plane which is transverse to a centre line plane of the motor vehicle (4), the rod (110) is usable directly or indirectly by the driver (P) as a command element to control the rolling movements of the two front wheels (10) without having to put his feet on the ground.

This invention relates to a tilting mechanism for wheeled vehicles such as bicycles both electrical and manually powered, motorcycles, mopeds, scooters and the like. The wheeled vehicle, preferably with three wheels or more, driving like a 2-in-line vehicle and handles the same way in the turns and when driving straight. The tilting mechanism for a multiple wheeled vehicle, comprising a tilting mechanism that allows for leaning body and wheels into a turn and independent adjustment of the turning radius, while inducing an effect to the two front wheels similar to Ackerman steering compensation. The principle of the tilting mechanism is a parallelogram structure, which comprises a top rod, a bottom rod and a pair of connecting rods, pivotally connected to each other. To each of the connecting rods a pair of steering elements is pivotally connected and on two steering elements a pair of wheels is connected.

A forecarriage (8) of a rolling motor vehicle (4), comprising a forecarriage frame (16), at least a pair of front wheels (10), each wheel (10) being connected to a rolling kinematic mechanism (20), which enables the front wheels (10) to roll in a synchronous and specular manner, by means of a respective axle journal (60), and a roll block system (100) comprising a rod extensible in length (110) which directly connects one of the two front wheels (10) at the respective axle journal (60) to said forecarriage frame (16) by means of hinging means (71, 72, 73) at both its ends, and means (120) to reversibly block the lying position of said rod extensible in length (110) on a rolling plane with respect to said axle journal (60) and to said forecarriage frame (16), so as to block the rolling movements allowed by said rolling kinematic mechanism (20).