US 9,812,746 B2
Vehicle battery unit
Goichi Katayama, Wako (JP); Koichi Yamamoto, Wako (JP); and Yasuaki Hotozuka, Wako (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Appl. No. 14/357,265
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
PCT Filed Nov. 7, 2012, PCT No. PCT/JP2012/078845
§ 371(c)(1), (2) Date May 9, 2014,
PCT Pub. No. WO2013/073432, PCT Pub. Date May 23, 2013.
Claims priority of application No. 2011-248900 (JP), filed on Nov. 14, 2011.
Prior Publication US 2014/0315064 A1, Oct. 23, 2014
Int. Cl. H01M 10/6556 (2014.01); B60L 11/18 (2006.01); B60K 1/04 (2006.01); B60K 11/06 (2006.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/6554 (2014.01); H01M 10/6561 (2014.01); H01M 10/6563 (2014.01); H01M 10/6565 (2014.01); B60L 1/00 (2006.01); B60K 1/00 (2006.01)
CPC H01M 10/6556 (2015.04) [B60K 1/04 (2013.01); B60L 1/003 (2013.01); B60L 11/1864 (2013.01); B60L 11/1868 (2013.01); B60L 11/1874 (2013.01); B60L 11/1875 (2013.01); B60L 11/1877 (2013.01); B60L 11/1879 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/6554 (2015.04); H01M 10/6561 (2015.04); H01M 10/6563 (2015.04); H01M 10/6565 (2015.04); B60K 11/06 (2013.01); B60K 2001/005 (2013.01); B60K 2001/0438 (2013.01); H01M 2220/20 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7061 (2013.01); Y02T 10/7066 (2013.01); Y02T 90/16 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A vehicle battery unit comprising:
a battery; and
a battery case which accommodates the battery and which is disposed underneath a floor panel,
wherein the battery is cooled by cooling air introduced from an air intake port;
wherein a cooling space which communicates with the air intake port is formed as a separate space from a battery accommodation space where the battery is accommodated in the battery case;
wherein the battery is an angular battery;
wherein an upper plate on an upper surface of which the battery is mounted, a lower plate, and a heat sink which is disposed between the upper plate and the lower plate are located in the cooling space;
wherein the air intake port is situated only at a rear portion of the battery case and above the battery case and is opened to the front toward a vehicle front direction;
wherein an upper cover of the battery case has a convex portion projecting toward the floor panel;
wherein the air intake port is disposed behind the convex portion; and
wherein the air intake port is disposed below the floor panel.