| 摘要 |
PURPOSE:To enable general water supply of a battery group, by providing a trailing cylinder extending from the top surface of a lid, providing a water supply part over the top of the cylinder, and providing a liquid-level regulating cylinder, the opened lower end of which is located in the cylinder and the opened upper end is located in the water supply part. CONSTITUTION:A trailing cylinder 5, which is integrated with a lid 2, extends from the top surface of the lid 2 to near the upper end of an element 3. A water supply part 6 is provided over the top of the cylinder 5. The bottom surface of the water supply part 6 is provided with both a water supply hole 7 extending into the cylinder 5, and a liquid level regulating cylinder, the opened lower end of which is located in the cylinder 5 and the opened upper end is located in the water supply part 6. Piping holes 9 used for water supply piping are provided on both sides of the water supply part 6. A small hole 10 is provided in the top of the part 6. The lid 2 is provided with gas exhaustion holes 12, which are covered with explosion-proof filters 13. |
