| 摘要 |
PROBLEM TO BE SOLVED: To prevent a liquid feeding device not transmitting heat or pressure of liquid to a drive motor side from a rotary shaft side even if temperature of the liquid is high and eliminating a trouble of the drive motor due to heat or pressure. SOLUTION: This liquid feeding device A delivers liquid sucked from a suction opening 13 from a delivery opening 14 by rotation of an impeller 2. A driven side permanent magnet 4 is attached on the rotary shaft 21 of the impeller. A drive side permanent magnet 5 is attached on a drive shaft (a motor shaft 31 of a motor 3) for rotating the rotary shaft. The drive side permanent magnet and the driven side permanent magnet are arranged to face under non-contact condition via nonmagnetic material. COPYRIGHT: (C)2006,JPO&NCIPI |
