You're viewing this item in the new Europeana website. View this item in the original Europeana.

LEVER-SCREW GOVERNOR MECHANISM

Centrifugal governor 1 reacts to changes in speed of the shaft being governed. Device 8, consisting of two balls mounted on sleeve 2, having helical cam surface a, reacts to changes in angular acceleration of the same shaft. Cam surface a contacts a corresponding projection b of sleeve 3 which is held against sleeve 2 by spring 9. Sleeves 7 and 3 are connected by tie-rods 4' and 4 of equal length.…