The worm gearbox makes use of a big diameter heat wheel. A worm or screw meshes with enamel on the outer circumference from the gearbox. To direct fluid movement, the stator is positioned in between the impeller plus the turbine with the torque converter linked to the engine shaft. https://kylercrcnx.wizzardsblog.com/33740194/the-smart-trick-of-gearbox-that-nobody-is-discussing