STEAM TURBINE SPEED AND PRESSURE REGULATOR MECHANISM

Upon a drop in speed of the shaft being controlled, the sleeve of centrifugal governor 1 moves downward, turning lever 2 which shifts the spool of valve 3. At this, fluid from the valve is delivered to the lower end of servomotor 4. Piston 5 moves upward, turning lever 6 and opening valve member 7 which has a weaker spring than valve member 8. After the stem of valve member 7 reaches stop a, valve…