Dictionary

slide valve en · NOUN

Meanings

1. A valve in a steam engine, designed to slide back and forth to cover and uncover the openings through which steam enters the cylinder.
   • The inside cylinder, with its piston-valve, had its crank set at 135deg. to the outside-cylinder cranks, which were at the usual 90 deg. to one another; the latter cylinders had slide-valves. 1961 November, Voyageur, “The last of the Midland compounds”, in Trains Illustrated, page 675:
   • With its long tapered cowcatcher, massive headlamp and enormous diamond smokestack behind, wagon-top boiler, high running-plate above the driving-wheels reached from a front door in the square side-window cab, cylinders with slide valves mounted on top, and double bogie tender, General in its present form is typical of much earlier American locomotive practice. 1942 February, “Notes and News: An Historic American Locomotive”, in Railway Magazine, page 56:

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