The figure shows the vacuum clutch mechanism. Such a clutch uses the prevailing vacuum in the motor manifold to operate the clutch. The vacuum clutch consists of a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  The flywheel functions as an Electrical power storage part, storing surplus electric https://clutch-plate38147.blogdomago.com/31996083/the-5-second-trick-for-clutch-kereta