A steering device exhibiting improved layout properties around a steering shaft. A steering device (1) installed in a vehicle has: a first steering shaft (4), one end of which is connected to a steering wheel (3); a second steering shaft (6) positioned below the first steering shaft (4) and in a manner such that the one end thereof connected to the other end of the first steering shaft (4) is located above the floor section (7) of the vehicle compartment (2); and a coaxial motor (20) which applies a rotational force to the first steering shaft (4) and is provided in a manner such that the output shaft thereof is coaxial with the first steering shaft (4).

A steering device (1) installed in a vehicle and having: a column bracket (31) secured to the vehicle; a steering bracket (32) for supporting a coaxial motor (20) which applies a rotational force to a steering shaft (4) and is provided in a manner such that the output shaft thereof is coaxial with the steering shaft (4); a connecting member (33) for connecting the steering bracket (32) to the column bracket (31) in a manner such that the steering bracket (32) is capable of movement in the tilt direction, and moves in conjunction with the movement of the steering bracket (32) in the tilt direction; and a suppression member (34) which suppresses the movement of the steering bracket (32) in the tilt direction, and is connected to the connecting member (33) and to the column bracket (31).

A steering device exhibiting improved layout properties around a steering shaft. A steering device installed in a vehicle, the vehicle compartment of which is capable of tilting, has: a first steering shaft, one end of which is connected to a steering wheel; a second steering shaft positioned below the first steering shaft and in a manner such that the one end thereof connected to the other end of the first steering shaft is located above the floor section of the vehicle compartment; and a coaxial motor which applies a rotational force to the first steering shaft and is provided in a manner such that the output shaft thereof is coaxial with the first steering shaft. Furthermore, the second steering shaft is capable of telescoping, because a shaft and a cylindrical member are connected so as to be capable of sliding relative to one another in the axial direction.

An electric power steering apparatus including a steering angle control section that calculates a steering angle control current command value. The steering angle control section includes a position control section that calculates a basic steering angular velocity command value, a steering intervention compensating section that obtains a compensatory steering angular velocity command value, and a steering angular velocity control section that calculates the steering angle control current command value from the basic steering angular velocity command value, the compensatory steering angular velocity command value and an actual steering angular velocity. The steering intervention compensating section obtains a first velocity command value using a basic map, and obtains a second velocity command value using a hysteresis characteristic, calculates the compensatory steering angular velocity command value from the first and second velocity command values, and calculates the current command value using at least the steering angle control current command value.

The disclosure relates to a steering assembly for a drive-by-wire steering system of a vehicle having an input means for inputting a steering command, a steering shaft with a first region and a second region longitudinally spaced apart from the first region, and a sensor system for detecting a steering angle and/or a steering torque on the steering shaft. The sensor system comprises a first angular-position sensor and a second angular-position sensor. The first angular-position sensor is assigned to the first region and the second angular position sensor is assigned to the second region, so that it is possible to determine, by means of a difference of a first angle signal of the first angular-position sensor and a second angle signal of the second angular-position sensor, the steering torque on the steering shaft on which the steering torque is acting.

The invention relates to a Drive unit as part of a vehicle steering comprising a housing, mechanically connectable to the vehicle through an anti-rotation system, a rotatory output element, an interface for interfacing the control unit, including powering coils and measuring feedback to external control unit, and a motor comprising an angular position sensor, a stator and a rotor, the stator being fixedly mounted in the housing, and the rotor being rotatably mounted in the housing, wherein the output element, the stator and the rotor are coaxially arranged, wherein the motor is mechanically coupled to the output element by a differential providing an angular speed for the output element which is different from the angular speed of the rotor.

The present invention reduces motor size in a steering device. To this end, this steering device (1) to be installed in a vehicle has: a power steering unit (12) positioned below the floor section (7) of the vehicle compartment (2); and a coaxial motor (20) which is provided directly above the power steering unit (12) and in a manner such that the output shaft thereof is coaxial with the input shaft of the power steering unit (12).

The present application discloses a steering assistance device, including: a motor configured to output a drive force in accordance with a steering force applied to a steering shaft; and a speed reducer including: a gear section configured to rotate and oscillate in accordance with the drive force; an outer cylinder having an internally toothed ring formed thereon, the internally toothed ring being configured to mesh with the gear section; and a carrier configured to rotate in accordance with rotation and oscillation of the gear section and output a steering assistance force to a steering mechanism, the steering mechanism being configured to steer vehicle wheels in accordance with rotational operation applied to a steering wheel. The engagement ratio between the gear section and the internally toothed ring is from 25 to 100%.

A steering transmission for an electro-mechanical steering system for a vehicle includes an electric motor, a servo transmission, and an angle transmission for connecting a steering column of the steering system to a control stalk of the steering system. The angle transmission is a mechanically driven recirculating-ball transmission with a ball nut, which is engaged with a segment shaft of the steering transmission that is/can be connected to the steering stalk. A spindle of the recirculating-ball transmission is continuous. The spindle is connected to an output shaft of the servo transmission on one side. The servo transmission is/can be driven by the electric motor.

An apparatus for introducing an auxiliary torque and/or an additional steering angle into a steering shaft of an electromechanical power steering system may comprise a gearwheel that is attached fixedly on the steering shaft so as to rotate with the steering shaft and that is operatively connected to a drive element of a drive motor for driving the gearwheel. The apparatus may further include a sensor that is connected fixedly to the steering shaft so as to rotate with the steering shaft. So that the attachment of the sensor can take place with less complexity and use less installation space as far as possible, the sensor and the gearwheel may be connected to one another at contact faces.