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Patent Searching and Data


Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/135470
Kind Code:
A1
Abstract:
This in-wheel motor drive device (10) comprises: a wheel hub bearing section (11) having an outer ring (13), an inner ring (12) which is inserted through the center hole of the outer ring and which protrudes from the outer ring in one of the directions of an axis (O), a plurality of rolling bodies (14) which are arranged in multiple rows in the annular space between the outer ring and the inner ring, and an affixation bolt (15) which affixes the outer ring to a non-rotating member (102); and a brake disc (55) having a connection portion (58) which connects to one axial end of the inner ring, a circular cylinder portion (57) which extends from the connection portion in the other of the directions of the axis and which is disposed coaxial with the inner ring, and a flange-like friction disc portion (56) extending to the outer diameter side from the other axial end of the circular cylinder portion. At least some of the fastening bolts are received in the space inside the circular cylinder portion.

Inventors:
TAKEUCHI NAOYA (JP)
TAMURA SHIRO (JP)
TAIKOU SHINYA (JP)
Application Number:
PCT/JP2018/000963
Publication Date:
July 26, 2018
Filing Date:
January 16, 2018
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60K7/00; B60B35/14; F16D65/12
Foreign References:
JP2008273406A2008-11-13
JP2012148726A2012-08-09
JP2009012569A2009-01-22
JP2015147491A2015-08-20
JP5866950B22016-02-24
Other References:
See also references of EP 3572263A4
Attorney, Agent or Firm:
IMY INTERNATIONAL PATENT OFFICE, P.C. (JP)
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