Rather than deploy a traditional planetary gearset in which a transmission can call upon one of a certain number of gear ratios, a CVT operates without any physical gears at all. Instead ...

It's essentially two electric motors that are incorporated into a planetary gearset, forming a CVT of sorts. I'm not familiar enough with the Prius transmission or Solomon's patents to understand ...

These systems use what Toyota calls an e-CVT – two electric motors paired with a planetary gearset. This lets the engine and electric motors share the job of propelling the car – one motor ...