| 摘要 |
543,444. Cooling-towers. HARRAL, R. H., and DAVENPORT ENGINEERING CO., Ltd. Jan. 14, 1941, No. 500. [Class 64 (i)] A trough 2 on the inside wall surface of a cooling tower and near the top collects condensation water which is taken by a pipe 5 extending down the tower to a distribution system for fire-fighting purposes. When the tower is out of commission, water is raised from the sump 11 to the trough by a pump 7. |
