Title:
WHEEL BEARING APPARATUS AND VEHICLE PROVIDED WITH WHEEL BEARING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/138965
Kind Code:
A1
Abstract:
A wheel bearing apparatus (1) is provided with; a wheel bearing (2); and a motor (3) that is a power device. The motor (3) has a stator (18) that is attached to a fixed wheel (4) of the wheel bearing (2), and a rotor (19) that is attached to a rotating wheel (5). A case (23), which serves as the outer shell of the motor (3) and the wheel bearing (2), forms a sealed space filled with lubricating oil therein. A circulation force generation means such as an impeller (74) that circulates cooling oil in a circulating oil path disposed in the case (23) is provided.
Inventors:
YADA YUUJI (JP)
NISHIKAWA KENTARO (JP)
FUJITA YASUYUKI (JP)
KAWAMURA MITSUO (JP)
YABUTA HIROKI (JP)
NISHIKAWA KENTARO (JP)
FUJITA YASUYUKI (JP)
KAWAMURA MITSUO (JP)
YABUTA HIROKI (JP)
Application Number:
PCT/JP2019/000077
Publication Date:
July 18, 2019
Filing Date:
January 07, 2019
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60K7/00; B60K6/40; B60K6/48; H02K5/20; H02K9/19
Foreign References:
| CN204623116U | 2015-09-09 | |||
| JP2005073364A | 2005-03-17 | |||
| US20050206250A1 | 2005-09-22 | |||
| JPH1141861A | 1999-02-12 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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