GEAR-FRICTION PLANETARY MECHANISM OF A FOUR-SPEED GEARBOX

Pump 15 delivers fluid into chambers a and b, shifting rings 12 and 13 inward into contact with the friction surfaces of sun wheels 9 and 10. At this, sun wheel 9 is shifted to the right, out of contact with friction wheel 14 which is rigidly mounted on driving shaft 1. Sun wheel 10 is shifted to the left, out of contact with carrier 4 which is rigidly mounted on driven shaft 3. As a result, wheel…