| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce noise generated by turbulence of a medium supplied and exhausted between a fan aperture of a fan and a battery stack in a battery pack, where the fan is housed in a cabinet that houses the battery stack. <P>SOLUTION: The battery pack 10 is equipped with the battery stack 20; a cooling fan 30 which is installed adjacent to the battery stack 20 and where a fan aperture 32 is formed on the upper face and for taking in the cooling air, after cooling the battery stack 20; an upper case to cover the battery stack 20 and the upper part of the cooling fan 30; and a relay duct to guide the cooling air into the fan aperture 32, after cooling the battery stack 20. The relay duct is constituted of a duct lower part unit 40 in which an aperture is formed at a position opposing to the fan aperture 32, and one wall part of the upper case which is abutted against the peripheral part and the lower end part of the duct lower part unit 40. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
