| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pump and heat pump device capable of improving reliability of a pump. <P>SOLUTION: The pump comprises: a rotor part 21; a stator 17a; a pump part 26 having an upper casing 24 on which a vane wheel 25, a water suction port 22 and an emission port 23 are formed, the pump part 26 sucking liquid from the water suction port 22 by rotation of the vane wheel 25, and emitting it from the emission port 23; a lower casing 15 housing the rotor part 21 in its internal part with an almost pan shape, and isolating the pump part 26 from the stator 17a; a drive element 30 supplying power to the stator 17a; a heat sink 31 dissipating heat of the drive element 30; and a heat exchanger plate 32 contacting both of one part of the lower casing 15 and the heat sink 31 and transferring the heat of the drive element 30 to one part of the lower casing 15 from the heat sink 31. The heat of the drive element 30 is sequentially transferred to the heat sink 31, the heat exchanger plate 32, one part of the lower casing 15, and the liquid inside the lower casing 15, and dissipated. <P>COPYRIGHT: (C)2013,JPO&INPIT |
