US 12,214,666 B2
Vehicle driving apparatus
Isao Toda, Aki-gun (JP); Seiyo Hirano, Aki-gun (JP); Kei Yonemori, Aki-gun (JP); Satoshi Maruyama, Aki-gun (JP); Shinji Fujihira, Aki-gun (JP); Wataru Kuwahara, Aki-gun (JP); Tomoya Kakite, Aki-gun (JP); Yoshiaki Noguchi, Aki-gun (JP); Ryuichiro Amano, Aki-gun (JP); and Mitsuhiro Hirota, Aki-gun (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed by Mazda Motor Corporation, Hiroshima (JP)
Filed on Aug. 24, 2021, as Appl. No. 17/409,798.
Application 17/409,798 is a continuation of application No. PCT/JP2020/008016, filed on Feb. 27, 2020.
Claims priority of application No. 2019-033653 (JP), filed on Feb. 27, 2019; and application No. 2019-150932 (JP), filed on Aug. 21, 2019.
Prior Publication US 2021/0379979 A1, Dec. 9, 2021
Int. Cl. B60K 6/24 (2007.10); B60K 6/26 (2007.10); B60K 6/36 (2007.10); F01M 11/00 (2006.01); F02B 53/04 (2006.01); F02B 63/04 (2006.01)
CPC B60K 6/24 (2013.01) [B60K 6/26 (2013.01); B60K 6/36 (2013.01); F01M 11/0004 (2013.01); F02B 53/04 (2013.01); F02B 63/042 (2013.01); B60Y 2200/92 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A vehicle driving apparatus driving a vehicle by motive power of a drive motor, the vehicle driving apparatus comprising:
the drive motor that is driven by electric power;
an internal combustion engine that produces motive power by fuel; and
an electrical generator that is driven by the internal combustion engine,
wherein the drive motor, the internal combustion engine, and the electrical generator are arranged in a vehicle width direction of the vehicle in order of the drive motor, the internal combustion engine, and the electrical generator from a vehicle right side to a vehicle left side,
wherein the internal combustion engine is a rotary piston engine, and an intake pipe and an exhaust pipe of the rotary piston engine extend from a rear side of the rotary piston engine in a front-rear direction of the vehicle to a rearward side of the vehicle;
a speed reducer provided in a transmission path for transmitting motive power of the drive motor to a wheel of the vehicle, wherein the speed reducer is arranged between the drive motor and the internal combustion engine in the vehicle width direction of the vehicle; and
an electric power conversion apparatus electrically connected with each of the drive motor and the electrical generator;
a first conductor connecting the electric power conversion apparatus with the drive motor; and
a second conductor connecting the electric power conversion apparatus with the electrical generator, wherein each of the first conductor and the second conductor is arranged in an internal portion of a casing of the electric power conversion apparatus. a casing of the drive motor, or a casing of the electrical generator, and the casing of the electric power conversion apparatus is joined to each of the casing of the drive motor and the casing of the electrical generator so as to straddle over the internal combustion engine.