| 摘要 |
PROBLEM TO BE SOLVED: To sterilize a large amount of water sufficiently in a short period.SOLUTION: A water feeder has a water storage tank part 10 having a water pouring port 14 for pouring water into it, a water supply port 20 for supplying water stored in the water storage tank part 10, and an ultraviolet light source part 40 that is disposed inside the water storage tank part 10 and irradiates the water stored in the water storage tank part 10 with ultraviolet rays to sterilize the water.SELECTED DRAWING: Figure 3 |
