| 摘要 |
PROBLEM TO BE SOLVED: To realize a water pump capable of planning to enlarge versatility and to save power by bringing airtight members with no degradation into press contact with a partition part. SOLUTION: In the water pump which forms pump chambers 22a, 22b which are independent two chambers by forming the partition part 25 within a pump housing 21, which provides impellers 28a, 28b corresponding to each of the pump chambers 22a, 22b on a rotating shaft 26 and which delivers fluid to exterior by sucking the fluid, it comprises a resin material having lubricity and is provided with pressure welding members 32a, 32b which come into press contact with the partition part 25 and a pair of magnet members 31a, 31b which excite magnetic force attracting with each other by forming with a plastic magnet material mixed by a magnetic material on the resin. The airtight members 30a, 30b are configured so as to perform airtight between each of the pump chambers 22a, 22b by bringing the pressure welding members 32a, 32b into press contact with the partition part 25 by means of the magnet members 31a, 31b. Thereby, it can be planned to enlarge the versatility and to save the power. COPYRIGHT: (C)2006,JPO&NCIPI
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