초록 ▼

A power supply unit of the present invention comprises a group of batteries including plural rows of cells arranged in parallel, each row of cells including plural cylindrical cells connected in series. The power supply unit further comprises refrigerant passages comprising main refrigerant passages

A power supply unit of the present invention comprises a group of batteries including plural rows of cells arranged in parallel, each row of cells including plural cylindrical cells connected in series. The power supply unit further comprises refrigerant passages comprising main refrigerant passages exposed to the cells arranged in each row of cells and auxiliary refrigerant passages, the upstream sides of the auxiliary refrigerant passages being isolated from the rows of cells, and the downstream sides thereof being connected to the main refrigerant passages at positions corresponding to the midstream or downstream sides of the rows of cells.

대표청구항 ▼

[ We claim:] [1.] A power supply unit comprising: a group of batteries including plural rows of cells arranged in parallel, each row of cells including plural cylindrical cells connected in series; and refrigerant passages for passing a refrigerant through space portions formed between said rows of

[ We claim:] [1.] A power supply unit comprising: a group of batteries including plural rows of cells arranged in parallel, each row of cells including plural cylindrical cells connected in series; and refrigerant passages for passing a refrigerant through space portions formed between said rows of cells, whereinsaid refrigerant passages includes:main refrigerant passages exposed to said cells arranged in the row of cells; andauxiliary refrigerant passages, the upstream sides thereof being isolated from said rows of cells, and the downstream sides thereof being connected to said main refrigerant passages at positions corresponding to the midstream or downstream sides of said rows of cells.