| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fluid supply device for a fuel cell of a compact size with a supply pressure of fluid of 100 kPa or more and capable of adjusting rotation balance of a rotor after assembly. <P>SOLUTION: The fluid supply device for the fuel cell 1a is provided with an upper cover 2a having a suction opening of the fluid, a rotor 3a having two-dimensional wings 7a, a diffuser 4a, and a motor 5a rotating the rotor 3a. A cross-section shape of a lower end part in the vicinity of the suction opening of the upper cover 2a at a vertical section including a rotating shaft R of the rotor 3a consists of either a curved line, a straight line, or a plurality of straight lines, or a combination of these. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
