US 11,938,801 B2
Vehicle drive device
Isao Toda, Aki-gun (JP); Seiyo Hirano, Aki-gun (JP); Kei Yonemori, Aki-gun (JP); and Hideki Sanai, Aki-gun (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Appl. No. 16/980,850
Filed by Mazda Motor Corporation, Hiroshima (JP)
PCT Filed Mar. 19, 2019, PCT No. PCT/JP2019/011429
§ 371(c)(1), (2) Date Sep. 15, 2020,
PCT Pub. No. WO2019/181935, PCT Pub. Date Sep. 26, 2019.
Claims priority of application No. 2018-052636 (JP), filed on Mar. 20, 2018; and application No. 2018-143356 (JP), filed on Jul. 31, 2018.
Prior Publication US 2021/0016653 A1, Jan. 21, 2021
Int. Cl. B60K 6/44 (2007.10); B60K 1/02 (2006.01); B60K 1/04 (2019.01); B60K 6/24 (2007.10); B60K 6/28 (2007.10); B60K 6/40 (2007.10); B60K 6/442 (2007.10); B60K 6/52 (2007.10); B60K 7/00 (2006.01); B60L 9/18 (2006.01); B60L 15/20 (2006.01); B60L 50/16 (2019.01); B60L 50/40 (2019.01); B60L 50/60 (2019.01); B60L 50/61 (2019.01); B60L 53/24 (2019.01); B60W 10/08 (2006.01); B60W 20/10 (2016.01); B60W 20/20 (2016.01); B60W 40/08 (2012.01); H02K 7/00 (2006.01); B60K 6/26 (2007.10)
CPC B60K 1/04 (2013.01) [B60K 1/02 (2013.01); B60K 6/24 (2013.01); B60K 6/28 (2013.01); B60K 6/40 (2013.01); B60K 6/44 (2013.01); B60K 6/442 (2013.01); B60K 6/52 (2013.01); B60K 7/0007 (2013.01); B60L 9/18 (2013.01); B60L 15/20 (2013.01); B60L 50/16 (2019.02); B60L 50/40 (2019.02); B60L 50/60 (2019.02); B60L 50/61 (2019.02); B60L 53/24 (2019.02); B60W 10/08 (2013.01); B60W 20/10 (2013.01); B60W 20/20 (2013.01); B60W 40/08 (2013.01); H02K 7/006 (2013.01); B60K 2001/0405 (2013.01); B60K 2001/0416 (2013.01); B60K 2001/0438 (2013.01); B60K 2001/045 (2013.01); B60K 6/26 (2013.01); B60K 2007/0092 (2013.01); B60W 2540/10 (2013.01); B60Y 2200/92 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vehicle drive device comprising:
an in-wheel motor provided in an auxiliary wheel of the vehicle and drives the auxiliary wheel;
a body side motor that is provided in a body of the vehicle and drives main wheels of the vehicle;
a battery; and
a capacitor, wherein
a voltage of the battery is applied to the body side motor and a voltage of the battery and the capacitor that are connected in series is applied to the in-wheel motor,
the body side motor is a permanent magnet motor,
the in-wheel motor is an induction motor, and
only on condition that a vehicle speed is equal to or greater than a predetermined speed, the in-wheel motor drives the auxiliary wheel.