Speed reducer and independent steering system including the same
AssigneesHyundai Motor Company, Kia Corporation
InventorJeong Hwan Park
Life of this patent
Estimating the term…
Abstract
A speed reducer includes an input shaft configured to receive power from a drive portion, a gear unit fastened to the input shaft to receive the power from the drive portion through the input shaft, and an output shaft coupled to the gear unit and configured to transmit driving power, in which the gear unit includes a spur gear coupled to the input shaft, and a mounting gear positioned coaxially with the spur gear and coupled to the output shaft, and in which a rotation angle of the output shaft is decreased by minute deformation of the gear unit.
Claims19
A speed reducer comprising:
- an input shaft configured to receive power from a drive portion;
- a gear unit fastened to the input shaft to receive the power from the drive portion through the input shaft;
- and
- an output shaft coupled to the gear unit and configured to transmit driving power,
- wherein the gear unit includes:
- a spur gear coupled to the input shaft;
- and
- a mounting gear positioned coaxially with the spur gear and coupled to the output shaft, and
- wherein a rotation angle of the output shaft is decreased by minute deformation of the gear unit.
An independent steering system comprising:
- an upper arm including one end portion fastened to a vehicle body;
- a knuckle unit fastened to the upper arm;
- a steering input portion configured to input a steering angle of the knuckle unit;
- and
- a speed reducer fastened to the upper arm and positioned between the steering input portion and the knuckle unit,
- wherein the speed reducer includes:
- an input shaft configured to receive power of the steering input portion;
- a gear unit including a spur gear coupled to the input shaft, and a mounting gear positioned coaxially with the spur gear and coupled to an output shaft;
- and
- the output shaft configured to transmit driving power, and
- wherein a rotation angle of the output shaft is decreased by minute deformation of the gear unit.
Dependencies are inferred from the claim text.