Mazda Motor Corporation

Ryuhei Sumita

Kenji Katayama

Muneyuki Ohga

Shuntaro Nakayama

To simultaneously improve battery capacity and protect a battery during a lateral collision without causing a weight increase, a cost increase, and the like, an electric vehicle includes a battery system arranged below a floor panel and arranged between a tunnel side frame and a floor side frame; and an attachment bracket connecting the battery system to the tunnel side frame and the floor side frame.

Lower structure of electric vehicle

An electric vehicle includes a floor panel formed with a floor tunnel; a transmission; a transmission support member; an inverter attached to a case of the transmission; a battery unit disposed behind the transmission and on an outer side in a vehicle width direction of the floor tunnel; and a harness disposed such that an intermediate portion between a first end portion connected to the inverter and a second end portion connected to a front end portion of the battery unitextends across the floor tunnel from inside to outside thereof. The battery unit has a substantially rectangular shape in a bottom view, and a corner on the floor tunnel side of a front end portion of the battery unit is cut out to form a free space between the front end portion of the battery unit and a portion of the floor tunnel behind the transmission support member.

The present invention is a battery mounting device which comprises a battery mounted in a cabin of a vehicle, a plate-shaped toe board provided in front of a passenger seat at a position located at a lower level than the passenger seat so as to cover the battery, wherein the battery is provided between the toe board and a floor panel of the vehicle.

Growing community of inventors

Hiroshima, Japan

Ryuhei Sumita