Abstract: The adjustment assembly of a hydraulic steering system of a vehicle is provided. The adjustment assembly can be positioned between the steering column and the hydraulic steering unit of the system, to adjust the mutual angular position between the rotation angle of the steering column (?) and the effective steering angle at the wheels (?). The adjustment assembly includes an adjustment device including an electric motor and an electronic command unit controlling its actuation; an epicycloidal device including a satellite-carrying member operatively connected to the steering column; at least one satellite gear supported and guided in rotation by the satellite-carrying member; a first solar gear operatively connected to the hydraulic steering unit and to the at least one satellite gear; and a second solar gear operatively connected to the adjustment device and to the first solar gear to control the angular position and/or the rotation of the first solar gear.

Abstract: An emergency steering system for a vehicle, may include a planetary gear mounted in an inlet space of a gear box for a steering apparatus so that the planetary gear is ordinarily operated at a gear ratio of 1:1 and has an increased gear ratio in the event of failure of a main steering device; and a gear ratio increasing device mounted to an upper plate portion of the gear box to increase the gear ratio of the planetary gear.

Abstract: A travel control device for a vehicle provided with: a steering angle control device that alters the relationship between the amount of steering operation of a driver and the steering angle of steerable wheels; a trajectory control device that controls the travel trajectory of the vehicle by means of controlling the steering angle of the steerable wheels; and a turning condition control device that determines a target turning condition control level for causing the turning condition of the vehicle to be a target turning condition, and controls the turning condition of the vehicle on the basis of the target turning condition control level. A turning condition control device calculates the target turning condition control level on the basis of the amount of steering operation of the driver and the control level of the trajectory control device, and thereby reflects in the target turning condition control level changes to the steering angle resulting from the control of the traveling trajectory.

Abstract: The present invention relates to a steering apparatus for turning front wheels of a tractor. More particularly, the present invention provides a steering apparatus for tractors which includes a steering cylinder provided with left and right cylinder rods which are extended and retracted to the left and the right by steering force transmitted by hydraulic pressure when the driver manipulates the steering wheel, wherein swing links are respectively hinged to ends of the left and right cylinder rods, thus forming a first four-bar link structure, and second four-bar link structures are respectively formed on left and right ends of the first four-bar link structure so that the front wheels can be turned, whereby an angle range within which the front wheels can be turned can be increased.

Abstract: In order to transmit reliable and precise information, to as great an extent as possible, on current driving conditions and driving situations, and also achieve disturbance-free behavior of the steering system in the center point range, in a steering device in a vehicle, a target steering torque (torSSW) is determined by determining an actual toothed rack force (forRT), determining at least one first component for the target steering torque (torSSW) as a function of the actual toothed rack force (forRT), and determining at least one additional component for the target steering torque (torSSW) from a calculated toothed rack force (forRS), wherein the calculated toothed rack force (forRS) is determined from a wheel steering angle and a vehicle speed (velV).

Abstract: The invention relates to a steering system for a utility vehicle, wherein the steering movement is transmitted to the utility vehicle wheels via a steering linkage provided on a steering unit (16, 17; 77). The steering unit (16, 17; 77) is arranged so as to be displaceable along a guide unit (15) which is fixed relative to the utility vehicle. A displacing force upon the steering unit (16, 17; 77) may be provided by a hydraulic cylinder arrangement integrated into the steering unit and/or by a mechanical coupling to a steering wheel for example.

Abstract: A steering linkage for a vehicle, having a first draglink (32), an auxiliary steering cylinder (34) and a second draglink (38). The auxiliary steering cylinder (34) has a through piston rod (36). The first draglink (32) is arranged between a guide arm (12) of a steering gear (10) and a first end (35) of the through piston rod (36). The second draglink (38) is arranged between steerable vehicle wheels (48, 50) and the second end (37) of the through piston rod (36), thereby making it possible for the steerable vehicle wheels (48, 50) to be steered via the steering gear (10).

Abstract: A planet gear mechanism 19 interposed between a steering 2 and steerable wheels 4L and 4R is interposed. A torque controlling motor 25 for controlling a torque acting on the steering 2 and a transmission-rate varying motor 20 for driving the planet gear mechanism 19 are arranged coaxially (on an axial A) with the planet gear mechanism 19. This eliminates the need for arranging each motor 20 and 25 on the both ends of the axis A to face each other, and also reduces a space occupied by the motors 20 and 25 with respect to a radial direction of the axis A. As a result, reduction in the size of an apparatus can be achieved.

Abstract: The invention relates to a steering linkage for a vehicle, in which the steering linkage (31) comprises a first draglink (32), an auxiliary steering cylinder (34) and a second draglink (38), the auxiliary steering cylinder (34) comprises a through piston rod (36), the first draglink (32) is arranged between a guide arm (12) of a steering gear (10) and a first end (35) of the through piston rod (36), and the second draglink (38) is arranged between steerable vehicle wheels (48, 50) and the second end (37) of the through piston rod (36), thereby making it possible for the steerable vehicle wheels (48, 50) to be steered via the steering gear (10).

Abstract: The invention relates to a steering system for a utility vehicle, wherein the steering movement is transmitted to the utility vehicle wheels via a steering linkage provided on a steering unit (16, 17; 77). The steering unit (16, 17; 77) is arranged so as to be displaceable along a guide unit (15) which is fixed relative to the utility vehicle. A displacing force upon the steering unit (16, 17; 77) may be provided by a hydraulic cylinder arrangement integrated into the steering unit and/or by a mechanical coupling to a steering wheel for example.

Abstract: A motor-driven power steering system includes a steering column connected to a steering wheel, a motor with a rotation shaft connected to the steering column, a decelerator that rotates by interacting with the rotation shaft, fixing parts mounted at each left and right wheel, link members rotatably connected at both ends to the fixing parts and the decelerator, a detecting part that detects the vehicle state, and a motor driving device that generates a steering assist force by supplying the motor with a current determined on the basis of the vehicle state. This configuration transmits the driving force of the motor directly to vehicle wheels, thereby optimizing the motor function and reducing the vehicle weight by eliminating a rack.

Abstract: A steering system for a small-sized vehicle is capable of coaxially arranging a steering shaft and a power steering apparatus with high accuracy. In the steering system, when the power steering apparatus is connected to the steering shaft, a plurality of bearings support the steering shaft on a vehicle body frame, and where the axis of the steering shaft arranged at a desired position is a reference axis, at least one of the bearings is configured to compensate for an inclination of the steering shaft or further, to compensate for a deviation from the bearing which is centered with respect to the reference axis.

Abstract: A sliding shield structure is attached to the rod of a steering cylinder and moves with the rod to fully protect the rod at all times and to eliminate interference between the shield and steerable wheel throughout the steering range of the implement. Primarily support of the shield is by the implement axle structure, rollers and slides. The shield and the rod can rotate freely relative to each other to eliminate torque load transmission between the components. A notched plate holds the structure and facilitates easy removal by simply rotating the shield away from the cylinder rod.

Abstract: A detector for detecting the steering angle of a steering mechanism of a motor vehicle includes: a steering angle detecting section that receives data from a steering angle sensor and detects a relative steering angle indicative of a direction and degree of a steering operation; a steering angle midpoint computing section that repeatedly performs a computation when the motor vehicle is traveling to determine a steering angle midpoint value; an absolute steering angle calculating section that calculates an absolute steering angle on the basis of the steering angle midpoint value and the relative steering angle; and a rewritable nonvolatile memory for storing the latest steering angle midpoint value. Immediately after turn-on of the ignition key, before the steering angle midpoint is newly determined, the steering angle midpoint value stored in the nonvolatile memory is used as a tentative steering angle midpoint value for the calculation of the absolute steering angle.

Abstract: A steering device comprises a rigid steering axle (12) pivotable about a substantially horizontal axis, the wheels (5) of which are driven by a cardan shaft (4) arranged between the steering axle and the transmission (2) the transmission being spaced apart from the steering axle, comprising a power steering gear (22) actuatable by a steering wheel (14) and a steering shaft (23), the power steering gear having a pinion (30), which is connected with the steering linkage of the steering axle, and comprising a steering cylinder being an integral part of the steering linkage, the steering cylinder being actuatable by fluid under pressure supplied by the power steering gear, characterized in that a steering cylinder (21) is positioned coaxially with respect to the cardan shaft (4), the steering cylinder being connected with the steering axle (12) and comprising a hollow piston rod (28) to receive the cardan shaft (4), and that a first toothed rack (29) of the piston rod of the steering cylinder is in driving connec

Abstract: A vehicle having a toe angle adjustment mechanism. The vehicle has a frame member, a steerable wheel, a steering knuckle pivotally connecting the wheel to the frame member about a substantially vertical axis, a steering mechanism for steering the vehicle, and a steering actuator included as part of the steering mechanism for moving in a predetermined direction to cause a steering change. A transfer member is connected to the wheel for transferring a force applied by the actuator to the wheel to effect the steering change. The adjustment mechanism pivotally couples the distal end of the transfer member to distal end of the steering actuator about an adjustable pivot axis. The adjustment mechanism permits adjustment of the toe angle of the wheel and varies the position of the adjustable pivot axis with respect to one of the distal end portions to vary the toe angle.

Abstract: A vehicle steering system having a rack and pinion housing, a steering shaft assembly, a driven rack assembly, and an idler lever. The housing has a unitary idler lever mount. The steering shaft assembly has a pinion gear located in the housing. The driven rack assembly is operably connected to the pinion gear and extends out of the housing. The idler lever is pivotally mounted to the housing at the idler lever mount. The driven rack assembly is attached to the idler lever.