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Safety device for railway brakes - has ram to release brake cylinder spring on rupture of pipe from auxiliary reservoir.
Safety device for railway brakes - has ram to release brake cylinder spring on rupture of pipe from auxiliary reservoir.
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机译:铁路制动器的安全装置-具有闸板,用于在辅助储油箱中的管道破裂时释放制动缸弹簧。
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摘要
A safety device for pneumatic railway brakes comprises a piston valve (V) and a pneumatic ram (P) which moves to hold a pneumatic rod (VP) in a raised position. Should the pipe connecting the auxiliary reservoir (RA) to the top of the piston valve (V) be ruptured, the pressure in the actuating chamber (B) forces the piston valve upwards before passing into another chamber (E) and lifting the pneumatic rod. The ram is directly connected to the auxiliary reservoir (RA) so that on failure it holds the rod in a raised position, allowing the brake cylinder spring (CFR) to release.
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