| 摘要 |
974,250. Valves. HERMANN RAPPOLD & CO. G.m.b.H. May 28, 1962 [June 9, 1961 (2)], No. 20481/62. Heading F2V. A slide valve of the damper type has the valve seating faces 6, 7 cooled by coolant passing through valve housing passages 13, 14, the housing being constructed of sheet metal welded together, seating rings 4, 5 being rigidly connected at 24, 25 to the outer parts of housing with laterally displaced bracing means 22, 23.
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