Title:
WHEEL HUB AND WHEEL BEARING ASSEMBLY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/111917
Kind Code:
A1
Abstract:
A wheel hub according to an embodiment comprises: an inner hub unit formed of a first material, the inner hub unit comprising a central portion protruding in an internal axial direction and a flange portion extending from the central portion in an outer radial direction; and an outer hub unit formed of a second material and integrally coupled to the inner hub unit, wherein the second material has the strength and the weight which are relatively lower than the strength and the weight of the first material. The flange portion includes a plurality of coupling holes which penetrate in an axial direction to be coupled to a wheel and are arranged apart from one another in the circumferential direction, and a plurality of main extensions which extend along a plurality of virtual extension reference lines respectively extending in the outer radial direction from a rotary shaft towards the plurality of coupling holes. The outer hub unit includes a circumferential portion which extends in the circumferential direction while connecting the plurality of main extensions. Each main extension has a boundary in a first circumferential direction and a boundary in a second circumferential direction based on each corresponding extension reference line. The boundary in the first circumferential direction extends in a direction between the inner radial direction and the first circumferential direction, and the boundary in the second circumferential direction extends in a direction between the inner radial direction and the second circumferential direction.
Inventors:
LEE IN HA (KR)
SONG MIN WOO (KR)
LEE SEON HO (KR)
SHIM HEE CHAN (KR)
SONG MIN WOO (KR)
LEE SEON HO (KR)
SHIM HEE CHAN (KR)
Application Number:
PCT/KR2019/016880
Publication Date:
June 04, 2020
Filing Date:
December 02, 2019
Export Citation:
Assignee:
ILJIN GLOBAL CO LTD (KR)
International Classes:
B60B27/00
Foreign References:
| KR20170004769A | 2017-01-11 | |||
| JP2009113635A | 2009-05-28 | |||
| JP2017077858A | 2017-04-27 | |||
| US20180154691A1 | 2018-06-07 | |||
| KR101484812B1 | 2015-01-20 |
Attorney, Agent or Firm:
MOA INTELLECTUAL PROPERTY LAW FIRM (KR)
Download PDF: