(CVT) in a compact front transaxle to transmit main motor energy, and adds a rear transaxle, which combines a second motor and differential gear in a single unit, for a lightweight, compact structure that enables four-wheel drive without a driveshaft. The Estima can cruise 1,000km on one...
the use of planetary gears in the transmission. This effectively gives the Prius a CVT tranny, which performs absolutely flawless for normal driving. With the combined power of the two motors, it's quite easy to get carried away and speed off, making you forget you're inside a green car....
as engine speed can be controlled independently of road speed through the planetary gear set. When the engine falls out of this range, such as when the vehicle is pulling away from a stop, descending a slight grade or moving very slowly, fuel is cut off and...
A CVT-like planetary gearbox transfers the system’s combined 200 horsepower to the front wheels, and a 1.6-kWh nickel-metal-hydride battery pack provides juice while eating only two cubic feet of trunk space. As you’d expect, the less-powerful hybrid’s 8.4-second 0-to-60 time is 2.3...
The traditional Toyota hybrid CVT transaxle also got a rework. The electric propulsion motor, called MG2, is smaller and lighter than before. To trim friction, the planetary gearset between MG2 and the final drive has been replaced by helical gears. A second electric motor/generator, called MG...
transmission). The CVT offers simulated 10-speed Sequential Shiftmatic steps, Sport Mode, and paddle shifters. The key to the Dynamic Shift CVT’s distinct performance feel is a gearset used as a “first” gear for start-off acceleration, before seamlessly handing off to the CVT’s pulley ...
Toyota Hybrids, TMK, use a planetary gear set as the “transmission”. It’s not like a traditional CVT with belts and pulleys. It is it’s own thing. And it is very unique to Toyota. With that said, Toyota also make a traditional CVT. But they use it for mainly ICE nor hybrid...
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The speed ratio of each transmission stage is appropriately determined by gear ratios (=(number of teeth in a sun gear)/(the number of teeth in a ring gear)) ρ1, ρ2, ρ3of the first planetary gear device12, the second planetary gear device16, and the third planetary gear device18....
Further, with the primary and secondary thrusts Wpri, Wsec being controlled, the belt clamping force is controlled such that slipping of the transmission belt66is not caused. That is, with the primary and secondary thrusts Wpri, Wsec being controlled, the gear ratio γcvt of the continuously-...