Title:
VEHICLE HEIGHT ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/146085
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, a vehicle height adjustment device for adjusting the height of a chassis of a vehicle may be provided. A vehicle height adjustment device according to an embodiment of the present invention may comprise: an electric motor provided with a stator and a rotor and having a center part formed to have a penetrated structure; a screw nut fixed to the rotor of the electric motor and provided with a screw thread part formed on the inner circumferential surface thereof; a screw shaft inserted in and coupled to the inner circumferential surface of the screw nut and provided with a corresponding screw thread part formed on the outer circumferential surface thereof to have a shape corresponding to the screw thread part of the screw nut; and a guide part for guiding the relative longitudinal movement between the screw nut and the screw shaft. According to an embodiment of the present invention, the guide part may comprise: a guide slot having a recessed structure formed on the outer circumferential surface of the screw shaft to extend along the longitudinal direction of the screw shaft; a rolling body reception groove having a recessed structure formed on the inner circumferential surface of a housing of the electric motor or a member fixed to the housing; and the rolling body interposed between the guide slot and the rolling body reception groove.
Inventors:
JEONG SE WOONG (KR)
KWON IG JIN (KR)
KIM KI HO (KR)
KWON IG JIN (KR)
KIM KI HO (KR)
Application Number:
PCT/KR2021/020311
Publication Date:
July 07, 2022
Filing Date:
December 30, 2021
Export Citation:
Assignee:
ILJIN CO LTD (KR)
International Classes:
B60G17/015; B60G15/06; F16H25/20
Foreign References:
| KR20200025243A | 2020-03-10 | |||
| US20090108546A1 | 2009-04-30 | |||
| KR20190104814A | 2019-09-11 | |||
| KR20200142207A | 2020-12-22 | |||
| US20080018065A1 | 2008-01-24 |
Attorney, Agent or Firm:
MOA INTELLECTUAL PROPERTY LAW FIRM (KR)
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