slide-valve

This paper steam engine is based on his cad drawing of a Riches and Watts nominal 2 ½ horsepower vertical A-frame double acting simple slide-valve steam engine circa 1870-75.

Boing Boing: July 31, 2005 - August 6, 2005 Archives 2005

It involves the steam-chest and the slide-valve, and all other kinds of steam valves that have been invented, including the Corliss cut-off, and all others that are akin to it in object and action.

Steam, Steel and Electricity James W. Steele

The slide-valve is closed by the action of the external distributing mechanism, the piston passes beyond the steam-outlet, A, and a new piston then comes in play.

Scientific American Supplement, No. 288, July 9, 1881 Various

G, which slide-valve is operated forward and back by means of the valve-rod, o¹, the outer end of which is hinged to the upper end of the slotted lever, o², Fig. 1, that is hung at o³, on the end of the balanced and vibratory beam of truss, i, as shown.

Scientific American Supplement, No. 324, March 18, 1882 Various

The steam enters the closed space (which forms one-fourth of the circumference) through the slide-valve, S, presses against the pistons,

Scientific American Supplement, No. 288, July 9, 1881 Various

The stroke completed, the slide-valve, actuated by an eccentric keyed to the driving shaft, returns backward and puts the cylinders, B and C, in communication.

Scientific American Supplement, No. 421, January 26, 1884 Various

-- Where the air is used without heating, and cut off at one-third of the stroke, as in ordinary slide-valve engines

Scientific American Supplement, No. 531, March 6, 1886 Various

We are using air instead of steam, and the movement of these four cocks all at the same time, and the result of moving them, is precisely that of the slide-valve of a steam-engine.

Steam, Steel and Electricity James W. Steele

This diagram on the paper cylinder, not only is used for determining the power of the engine, but for detecting any irregularity in the slide-valve movements.

The Stoker's Catechism W. J. Connor

The diagrams of this slide-valve would be difficult to understand.

Steam, Steel and Electricity James W. Steele