Abstract: Rotary assist apparatus for recirculating ball steering gears are disclosed. An example system includes a worm gear, a ring gear fixed to an end of the worm gear, a ball nut surrounding a portion of the worm gear, a first intermediate gear fixed to a first pinion, the first intermediate gear and the first pinion aligned along a first axis of rotation, the first pinion engaged with the ring gear, a second intermediate gear fixed to a second pinion, the second intermediate gear and the second pinion aligned along a second axis of rotation different than the first axis of rotation, the second pinion engaged with the first intermediate gear, and a motor fixed to a third pinion, the third pinion engaged with the second intermediate gear or a third intermediate gear, the motor to rotate the worm gear to translate the ball nut.

Abstract: Rotary steering systems are disclosed. An example vehicle steering system includes an input gear fixed to an end of an input shaft, a first intermediate gear fixed to a first pinion, the first intermediate gear engaged with the input gear, a second intermediate gear fixed to a second pinion, the second pinion engaged with the first intermediate gear or a third intermediate gear, a motor fixed to a third pinion, the third pinion engaged with the second intermediate gear, the motor to rotate the first intermediate gear and the first pinion, a third gear fixed to a shaft, the third gear engaged with the first pinion, the third gear and the shaft to rotate as the first intermediate gear rotates, and a pitman arm coupled to the shaft, the pitman arm to couple to a drag link to turn wheels of a vehicle as the shaft rotates.

Abstract: Methods and apparatus to determine rack force are disclosed. An example apparatus includes a rack to couple to a steering knuckle of a vehicle, a ball nut engaged with the rack, a first ring gear coupled to the ball nut, a first pinion fixed to a motor, the first pinion engaged with the first ring gear, the motor to rotate the ball nut to move the rack, a motor encoder to detect a rotation of the first pinion, a second ring gear coupled to the ball nut, and a sensor fixed to a second pinion, the second pinion engaged with the second ring gear, the second pinion to rotate as the second ring gear rotates, the sensor to detect a rotation of the second pinion, the rotation of the second pinion and the rotation of the first pinion corresponding to a force on the rack.

Abstract: Belt driven rotary assist apparatus for recirculating ball steering gears are disclosed. An example motor vehicle steering system includes an input shaft to couple to a steering shaft of a motor vehicle, a worm gear, a first end of the worm gear coupled to the input shaft, a second end of the worm gear fixed to a helical spur gear, a ball nut surrounding a portion of the worm gear, the ball nut including ball bearings and ball guides, a first pulley wheel fixed to a pinion, the first pulley wheel engaged with a belt, the pinion engaged with the helical spur gear, a motor fixed to a second pulley wheel, the second pulley wheel engaged with the belt, the motor to rotate the worm gear to translate the ball nut, and a sector gear engaged with the ball nut, the sector gear to rotate as the ball nut translates.

Abstract: Methods and apparatus to determine rack force are disclosed. An example apparatus includes a rack to couple to a steering knuckle of a vehicle, a ball nut engaged with the rack, a first ring gear coupled to the ball nut, a first pinion fixed to a motor, the first pinion engaged with the first ring gear, the motor to rotate the ball nut to move the rack, a motor encoder to detect a rotation of the first pinion, a second ring gear coupled to the ball nut, and a sensor fixed to a second pinion, the second pinion engaged with the second ring gear, the second pinion to rotate as the second ring gear rotates, the sensor to detect a rotation of the second pinion, the rotation of the second pinion and the rotation of the first pinion corresponding to a force on the rack.

Abstract: Rotary assist apparatus for recirculating ball steering gears are disclosed. An example motor vehicle steering system includes an input shaft to couple to a steering shaft of a motor vehicle, a worm gear, a first end of the worm gear coupled to the input shaft, a second end of the worm gear fixed to a helical spur gear, a ball nut surrounding a portion of the worm gear, the ball nut including ball bearings and ball guides, an intermediate gear fixed to a first pinion, the first pinion engaged with the helical spur gear, a motor fixed to a second pinion, the second pinion engaged with the intermediate gear, the motor to rotate the worm gear to translate the ball nut, and a sector gear engaged with the ball nut, the sector gear to rotate as the ball nut translates.

Abstract: Vehicle steering systems are disclosed. An example apparatus disclosed herein includes a first gear, a first pinion engaged with the first gear, a second pinion fixed to the first gear, a second gear engaged with the second pinion, and a third pinion fixed to the second gear, the third pinion to engage with a steering rack of a vehicle.

Abstract: Steering actuators for vehicles are described herein. An example actuator includes a rack to be coupled to a knuckle of a vehicle, a ball nut coupled to the rack, a ring gear coupled to the ball nut, and a motor with a pinion engaged with the ring gear. The motor is to rotate the ball nut, via the pinion and the ring gear, to move the rack linearly.

Abstract: Methods and apparatus to determine rack force are disclosed. An example apparatus includes a rack to couple to a steering knuckle of a vehicle, a ball nut engaged with the rack, a first ring gear coupled to the ball nut, a first pinion fixed to a motor, the first pinion engaged with the first ring gear, the motor to rotate the ball nut to move the rack, a motor encoder to detect a rotation of the first pinion, a second ring gear coupled to the ball nut, and a sensor fixed to a second pinion, the second pinion engaged with the second ring gear, the second pinion to rotate as the second ring gear rotates, the sensor to detect a rotation of the second pinion, the rotation of the second pinion and the rotation of the first pinion corresponding to a force on the rack.

Abstract: Belt driven rotary assist apparatus for recirculating ball steering gears are disclosed. An example motor vehicle steering system includes an input shaft to couple to a steering shaft of a motor vehicle, a worm gear, a first end of the worm gear coupled to the input shaft, a second end of the worm gear fixed to a helical spur gear, a ball nut surrounding a portion of the worm gear, the ball nut including ball bearings and ball guides, a first pulley wheel fixed to a pinion, the first pulley wheel engaged with a belt, the pinion engaged with the helical spur gear, a motor fixed to a second pulley wheel, the second pulley wheel engaged with the belt, the motor to rotate the worm gear to translate the ball nut, and a sector gear engaged with the ball nut, the sector gear to rotate as the ball nut translates.

Abstract: Rotary assist apparatus for recirculating ball steering gears are disclosed. An example motor vehicle steering system includes an input shaft to couple to a steering shaft of a motor vehicle, a worm gear, a first end of the worm gear coupled to the input shaft, a second end of the worm gear fixed to a helical spur gear, a ball nut surrounding a portion of the worm gear, the ball nut including ball bearings and ball guides, an intermediate gear fixed to a first pinion, the first pinion engaged with the helical spur gear, a motor fixed to a second pinion, the second pinion engaged with the intermediate gear, the motor to rotate the worm gear to translate the ball nut, and a sector gear engaged with the ball nut, the sector gear to rotate as the ball nut translates.

Abstract: Vehicle steering systems are disclosed. An example apparatus disclosed herein includes a first gear, a first pinion engaged with the first gear, a second pinion fixed to the first gear, a second gear engaged with the second pinion, and a third pinion fixed to the second gear, the third pinion to engage with a steering rack of a vehicle.

Abstract: Steering actuators for vehicles are described herein. An example actuator includes a rack to be coupled to a knuckle of a vehicle, a ball nut coupled to the rack, a ring gear coupled to the ball nut, and a motor with a pinion engaged with the ring gear. The motor is to rotate the ball nut, via the pinion and the ring gear, to move the rack linearly.

Abstract: A steering apparatus includes a first pinion, an internal gear engaged with the first pinion, a second pinion fixed relative to the internal gear, a first gear engaged with the second pinion, a third pinion fixed relative to the first gear, and a steering rack meshed with the third pinion.

Abstract: An assembly includes a steering rack. The assembly includes a first pinion meshed with the steering rack. The assembly includes an internal gear coupled to the first pinion. The assembly includes a second pinion meshed with the internal gear.

Abstract: Steering actuators for vehicles are described herein. An example actuator includes a rack to be coupled to a knuckle of a vehicle, a ball nut coupled to the rack, a ring gear coupled to the ball nut, and a motor with a pinion engaged with the ring gear. The motor is to rotate the ball nut, via the pinion and the ring gear, to move the rack linearly.

Abstract: An assembly includes a housing and a steering rack supported by the housing. The assembly includes a plug supported by the housing. The assembly includes a yoke supported by the housing between the steering rack and the plug. The assembly includes a monolithic dampener between the plug and the yoke, the monolithic dampener extending away from the plug toward the steering rack along the yoke.

Abstract: A steering apparatus includes a first pinion, an internal gear engaged with the first pinion, a second pinion fixed relative to the internal gear, a first gear engaged with the second pinion, a third pinion fixed relative to the first gear, and a steering rack meshed with the third pinion.

Abstract: An assembly includes a steering rack. The assembly includes a first pinion meshed with the steering rack. The assembly includes an internal gear coupled to the first pinion. The assembly includes a second pinion meshed with the internal gear.

Abstract: Steering actuators for vehicles are described herein. An example actuator includes a rack to be coupled to a knuckle of a vehicle, a ball nut coupled to the rack, a ring gear coupled to the ball nut, and a motor with a pinion engaged with the ring gear. The motor is to rotate the ball nut, via the pinion and the ring gear, to move the rack linearly.