hung-up valve

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• Valve hall — A valve hall is a building which contains the valves of the static inverters of a HVDC plant. The valves consist of thyristors, or at older plants, mercury arc rectifiers. Mercury arc rectifiers are usually supported by insulators mounted on the… …   Wikipedia

• Baker valve gear — was the main competitor to Walschaerts valve gear for steam locomotives in the United States. Strictly speaking it was not a valve gear but a variable expansion mechanism adapted to the Walschaerts layout replacing the expansion link and sliding… …   Wikipedia

• Southern valve gear — was briefly popular on steam locomotives in the United States. It combines elements of the Walschaerts and Baker patterns.HistorySouthern valve gear was devised by locomotive designers on the Southern Railway (US) and used on many locomotives on… …   Wikipedia

• Balance valve — Balance Bal ance (b[a^]l ans), n. [OE. balaunce, F. balance, fr. L. bilanx, bilancis, having two scales; bis twice (akin to E. two) + lanx plate, scale.] 1. An apparatus for weighing. [1913 Webster] Note: In its simplest form, a balance consists… …   The Collaborative International Dictionary of English

• center-hung float — This type of carburetor float pivots on an axis that s parallel with the vehicle axles. It s a better float design than a side hung float during high speed cornering because the float isn t affected by centrifugal force, so it won t pull the… …   Dictionary of automotive terms

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