The figure demonstrates the vacuum clutch system. This sort of clutch makes use of the prevailing vacuum in the engine manifold to work the clutch. The vacuum clutch contains a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  The flywheel features as an Power storage component, storing surplus https://clutchplate42973.win-blog.com/13465804/an-unbiased-view-of-clutch-plate