| 单词 | kingston valve |
| 释义 | > as lemmasKingston valve 1. attributive and in the genitive. Designating a type of sea valve which is manually opened outward, and when not in use is kept closed by the exterior water pressure. As Kingston valve, Kingston's valve. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > valve or sea-cock Kingston1837 sea-cock1855 sea-valve1895 1837 R. Otway Elem. Treat. Steam Index 238 Pipe, preventives against accident, Syphon, Hingston's [sic] Valve. 1846 J. Bourne Treat. Steam Engine xi. 223/1 In modern steam vessels Kingston's valves are..used, which consist of a spindle or plate valve fitted to the exterior of the ship, so that if the internal pipe or cock breaks, the external valve will still be operative. 1859 Reed's New Guide Bk. Local Marine Board Exam. 62 (heading) Boiler valves and cocks...Kingston valves. 1883 A. E. Seaton Man. Marine Engin. xvi. 301 For all large inlets the Kingston valve is preferable, as it acts as a non-return valve in case of the spindle breaking, and can then always be worked by simply forcing it outwards. 1905 E. M. Donkin & B. Donkin tr. G. Bauer Marine Engines & Boilers 418 Most of the valves in merchant ships consist of ordinary valves opening inwards, but on warships the old so-called ‘Kingston’ valves are still frequently met with. 2008 S. Hart Submarine Upholder vii. 62 The depth-gauge in the control jumped from 28 to 80 feet as the E.R.A. whipped open Q tank's Kingston valve. < as lemmas |
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