FLEXIBLE FEEDBACK MECHANISM IN REGULATORS

Lever 7 turns about fixed axis A and is connected by turning pairs B and D to links 10 and 11. Link 10 is connected by turning pair C to the rod of piston 5, and link 11 by turning pair E to valve 3. When jet valve nozzle 1, turning about fixed axis F, is diverted by membrane 2 owing to an increase in pressure on the membrane, the spool of valve 3 is shifted, admitting fluid to move the piston of …