GENERATOR-EQUIPPED WHEEL BEARING DEVICE AND SYSTEM FOR VEHICLES

WIPO Patent Application WO/2018/225696

A1

Provided is a generator-equipped wheel bearing device, the cost of which can be reduced due to a simplified structure, and which enables prevention of both grease outflow from bearings and intrusion of water and the like into bearings, and reduced rotational torque in wheel bearings. This generator-equipped wheel bearing device (1) is provided with a wheel bearing (2) and a generator (3). The generator (3) is a generator (3) having a stator (18) attached to a retaining ring (4) and a motor rotor (19) attached to a split ring (3), and is of an outer rotor type wherein the stator (18) is positioned on the outside periphery of the wheel bearing and the motor rotor (19) is positioned radially outside of the stator (18). This generator-equipped wheel bearing device (1) is provided with a sealing means (26) for sealing the inside of the wheel bearing (2). The sealing means (26) has: a generator-sealing member (27) for sealing an inboard-side end between the inside perimeter of a motor case (15) covering the motor rotor (19) and the outside periphery of the wheel bearing (2); and an inner-side sealing member (28) for sealing an inboard-side end between the inner and outer rings.

OOHATA YUUSUKE (JP)
NISHIKAWA KENTARO (JP)

PCT/JP2018/021415

December 13, 2018

June 04, 2018

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NTN TOYO BEARING CO LTD (JP)

B60K7/00; B60B35/02; B60B35/18; F16C19/18; F16C33/78; F16C33/80; F16J15/3204; F16J15/447

JPH0357721A	1991-03-13
JP2013169904A	2013-09-02
JP2015020707A	2015-02-02
JP2011251668A	2011-12-15
JP2008190615A	2008-08-21
DE102012204790A1	2013-09-26

SUGIMOTO, Shuji et al. (JP)

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