Slide Valve Gears; An Explanation of the Action And Construction of Plain And Cut-Off Slide Valves
The book Slide Valve Gears; An Explanation of the Action And Construction of Plain And Cut-Off Slide Valves was written by author Frederick a Frederick Arthur Halsey Here you can read free online of Slide Valve Gears; An Explanation of the Action And Construction of Plain And Cut-Off Slide Valves book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Slide Valve Gears; An Explanation of the Action And Construction of Plain And Cut-Off Slide Valves a good or bad book?
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Fig. 41 illustrates the valve of the Armstrong engine, Fig. 41 The Armstrong Valve. in which the action of the steam and exhaust edges of the valve is reversed from the usual practice. The steam enters at a, and the outer edges of the valve con- trol the exhaust. The steam pressure tends to lift the cover plate, and it is therefore held down to its seat by means of the bridle b. The action of the steam ports will be seen from the arrows. This valve gives four openings to steam and two to exhaus...t. The Rice valve (Fig. 42), like the last example, takes THE SLIDE VALVE AT SHORT CUT-OFF. 73 steam from the inside. It gives two openings to steam and two to exhaust. The relief plate aa is in this in- stance a piston fitting the cylinder bb, this cylinder be- Fig. 42 The Rice Valve, ing bolted to the floor of the steam chest. The pres- sure of steam within this cylinder forces the piston toward the valve, which, however, it is prevented from ^^^^^^^y-^^^^^y^y-^^^^^^^^^^M'yyyy^^ ^M^-'M^Ml ■^^^^^^^^y^y^yyy^y^^M'y^^^^^^y^^y^^^^^^^^^^^^ t^ Fig.
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