| 摘要 |
1287439 Valves PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 15 Sept 1969 [8 Sept 1968] 45400/69 Heading F2V A device for delaying the pressure build-up in a system connected at 5 and supplied by fluidpressure at 4 comprises a sleeve 7 movable slowly against a spring bias 12, under the influence of fluid pressure in bore 8 and in the space A towards a fixed conical closure 25 so that the system and supply are initially connected to exhaust at 3 which connection is gradually closed. Pressure fluid flows from the bore 8 to the space A via ducts 20, 19, spring- loaded balls 17 and ducts 15, 21. The space A communicates with exhaust via restriction 22 and duct 24. |
