A pump impeller is blotted on a driving member and motor a turbine runner is bolted about the pushed member (Gearbox). Both the above unit is enclosed into single housing filled with liquid. 2. Friction discs: Solitary or many discs lined with friction substance using a significant coefficient of friction https://gunnergublt.glifeblog.com/32041405/a-secret-weapon-for-clutch-plate