US 12,168,394 B2
In-wheel drive device and vehicle including the same
Kyeong Ho Shin, Yongin-si (KR)
Assigned to Hyundai Mobis Co., Ltd., Seoul (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Jul. 26, 2021, as Appl. No. 17/384,897.
Claims priority of application No. 10-2020-0093325 (KR), filed on Jul. 27, 2020.
Prior Publication US 2022/0024303 A1, Jan. 27, 2022
Int. Cl. F16H 57/029 (2012.01); B60B 27/00 (2006.01); B60K 7/00 (2006.01); B60K 17/04 (2006.01); F16H 57/04 (2010.01); F16H 57/08 (2006.01)
CPC B60K 17/046 (2013.01) [B60B 27/0047 (2013.01); B60B 27/0073 (2013.01); B60B 27/0078 (2013.01); B60K 7/0007 (2013.01); F16H 57/029 (2013.01); F16H 57/0479 (2013.01); B60B 2900/5118 (2013.01); F16H 2057/085 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An in-wheel drive device, comprising:
a wheel bearing comprising a hub; and
a speed reducer at least partially disposed in a radially internal space of the wheel bearing, and comprising:
planet gears;
a ring gear configured to engage the planet gears; and
a carrier coupled to the planet gears and configured to transmit, to an outside of the in-wheel drive device, power generated by a revolution of the plurality of planet gears,
wherein a first sealing part is disposed in a region in which the carrier and the wheel bearing face each other,
wherein the wheel bearing further comprises an outer race disposed outward, in a radial direction of the in-wheel drive device from the hub,
wherein the first sealing part is disposed in a region in which the carrier and the outer race face each other, and
wherein a groove portion having a recessed shape is disposed in an area of the outer race that faces the carrier, and the first sealing part is disposed in the groove portion.