Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 633
operated admission valves for oneset of nozzles. 620 Steam Engineering Speed regulation is affected by varying the number ofnozzles in flow, that is for light loads fewer nozzles are open^and a smaller volume of steam is admitted to the turbinewheel, but the steam that is admitted impinges the… … Fig. 260electrically operated valve In addition to the method just described, of actuatingthe addmission valves by steam, the General Electric Com-pany, manufactures of the Curtis Turbine, have recentlyintroduced a system of hydraulicaly operated valves forspeed regulation. These valves are also of…