| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric pump unit capable of reducing weight and cost while reducing the problems caused by generation of heat. SOLUTION: The electric motor 3 includes a stator 22 in which a wire 28 is wound around the teeth 23a of a stator core 23 and a multilayer winding portion 25 is formed. Part of the wire 28 in the winding portion 25 is an aluminum wire 28a, and the remainder is a copper wire 28b. COPYRIGHT: (C)2010,JPO&INPIT
|
