Improvements in Steam or other Gas and Liquid Valves and the like.
Реферат: 24,137. Rennie, H. Nov. 8. Lift valves; seats; spindles; repairing, facilitating.-Valves are constructed with the seats level with or above the casing joint so that regrinding and repairing are facilitated. Spindles are also constructed with an auxiliary valve to seat on the upper part of the casing to prevent escape of steam &c. when the spindle packing is being renewed. A lift valve is shown in Fig. 1 in which the seat d is situated on the upper part of the flange l and slightly above the casing joint g. An annular passage 7c allows the passage of the fluid. The conical projection n on the spindle acts as an auxiliary valve by bearing on the casing at o when it is required to re-pack the stuffing-box h.
Improvements in or relating to milling or other machine tools
Номер патента: GB499188A. Автор: . Владелец: Kearney and Trecker Corp. Дата публикации: 1939-01-16.