Title:
STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/157961
Kind Code:
A1
Abstract:
A steering device comprises a steering shaft (1), a sector gear (5) positioned radially outward of the steering shaft (1), an intermediate shaft (2) positioned on the side opposite from the steering shaft (1) with the sector gear (5) therebetween, first and second bevel gears (42, 43) connecting the steering shaft (1) and the intermediate shaft (2), a torque sensor (8) that detects steering torque accompanying rotational force, a first electric motor (6) that imparts torque for rotational force, and a ball screw mechanism (4) that transmits thrust generated by the rotational force to the sector gear (5). The intermediate shaft (2) is provided so as to be inclined at an inclination angle (α) with respect to the steering shaft (1) by the first and second bevel gears (42, 43). The torque sensor (8) and the first electric motor (6) are provided to the steering shaft (1), and the ball screw mechanism (4) is provided to the intermediate shaft (2).
Inventors:
YOSHITAKE ATSUSHI (JP)
SUGIMOTO NAOYA (JP)
SUGIMOTO NAOYA (JP)
Application Number:
PCT/JP2023/005881
Publication Date:
August 24, 2023
Filing Date:
February 20, 2023
Export Citation:
Assignee:
KNORR BREMSE STEERING SYSTEM JAPAN LTD (JP)
International Classes:
B62D5/04
Foreign References:
| US20120241244A1 | 2012-09-27 | |||
| JP2002264830A | 2002-09-18 | |||
| US20200339183A1 | 2020-10-29 | |||
| JP2022506165A | 2022-01-17 | |||
| JP2019156082A | 2019-09-19 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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