WHEEL BEARING SEALING DEVICE - ILJIN GLOBAL CO LTD

Title:

WHEEL BEARING SEALING DEVICE

Document Type and Number:

WIPO Patent Application WO/2019/009470

Kind Code:

A1

Abstract:

A sealing device inserted into a wheel bearing is provided. The sealing device comprises a first insertion body and a second insertion body. The first insertion body has an annular first frame, and a first sealing part coupled to the first frame. The second insertion body has an annular second frame having a diameter smaller than that of the first frame, and a second sealing part coupled to the second frame. The second insertion body rotates relative to the first insertion body. The first insertion body and the second insertion body are arranged such that a gap is formed between the first sealing part and the second sealing part. The second sealing part has a first surface facing the first sealing part and spaced apart from the second frame in a first axial direction, and a first baffle protruding toward the first sealing part from the end of the first surface in the outer radial direction thereof. A first cavity is formed in the gap by means of the first sealing part and the first baffle. At least a portion of a first cavity passage connected to the first cavity is formed in the gap by means of the first sealing part, the first baffle and the first surface.

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Inventors:

KIM YONG WON (KR)
PARK JONG MOON (KR)

Application Number:

PCT/KR2017/012947

Publication Date:

January 10, 2019

Filing Date:

November 15, 2017

Export Citation:

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Assignee:

ILJIN GLOBAL CO LTD (KR)

International Classes:

B60B27/00; F16C33/78

Foreign References:

KR20100111270A	2010-10-14
JP2004084942A	2004-03-18
JPH0710630U	1995-02-14
JP2008256163A	2008-10-23
JP2014109330A	2014-06-12

Other References: