RAPID EXHAUST VALVE FOR RAILWAY VEHICLES AND PIPING SYSTEM OF RAILWAY VEHICLE
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Aug 4, 2014
filing date -
Aug 2, 2013
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Abstract
A rapid exhaust valve for railway vehicles and a piping system of a railway vehicle, the piping system using the rapid exhaust valve, are provided. The rapid exhaust valve rapidly discharges pressure air from an automatic door opening/closing gear of a railway vehicle to allow manual operation of an automatic door, is made compact in overall size while giving an exhaust outlet a large bore diameter to reduce a venting time to keep it within a given time, shows superior operability to certainly prevent leakage at channel switching, allows a change in a piping direction and an operation direction according to an installation location while keeping the number of components small, and switches a channel to allow rapid venting from a desired pipeline.
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