Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 260
/2 pcr cent of the speed at full or normal load, and that for a sudden change inload the maximum variation shall not exceed 2 per cent. STEAM ENGINES 237 The Balanced Double-Ported Valve. (Figs. 7 and 8.) The shaft governor is held in equi-librium under the opposing forces of spring tension and… … force, such as the power required to move the valve and the force required to overcome theinertia or accelerate the reciprocating parts of the valve gear, tends to disturb thisequilibrium. 238 POWER PLANTS AND REFRIGERATION
Building · Heating · Ventilation
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