| 摘要 |
PROBLEM TO BE SOLVED: To provide a casing for a motor, which is excellent in sealability and has a flow path in a requested shape. SOLUTION: A core 10 including a spiral part 11 equivalent to a spiral flow path and a reinforcing part 12 which connects middle parts of the spiral part 11 with each other in the direction of the center axis La of the spiral part 11 to reinforce it is disposed inside a main die and the casing for the motor is formed by casting. COPYRIGHT: (C)2012,JPO&INPIT |
