Sentences with phrase «ravigneaux planetary gearset»

Using a planetary gearset and three clutches to connect the two motors and the engine, the Volt powers the wheels in five distinct operating modes.

Torque is divvied up by a compound planetary gearset; when slip is detected, an electronically controlled clutch increases or reduces the friction between the two ring gears to change the front - to - rear distribution.

Drive here is by «e-CVT» - Toyota - and Lexus - speak for the planetary gearset used to seamlessly mix petrol and electric power.

A clutch locks the ring gear of the planetary gearset for a 7.0:1 speed reduction and torque multiplication ratio.

It's also the latest recipient of the 9G - Tronic nine - speed automatic transmission, which uses four planetary gearsets to create its nine ratios from a more compact form than the old 7 - speed unit.

A nine - speed AMG Speedshift MCT automatic (consisting of a planetary gearset but a wet clutch, rather than a torque converter) is again standard, sporting quicker shift times than previous E63s.

Another surprise, in this day of dual - clutch and racing - style semiautomatic transmissions, is that the GT Sport comes only with a six - speed ZF automatic featuring a conventional torque converter and planetary gearsets.

The planetary gearset is the device that makes this possible in an automatic transmission.

In turn, those determine what gear ratio should be engaged and the planetary gearset can then be configured to the right gear combination.

Among its benefits are compact size and light weight - even compared to the 7 - speed automatic it replaces - and enough ratios from the four planetary gearsets to cover the demands of both performance and economical driving.

The planetary gearset is what's responsible for changing gear ratios, and it consists of a sun gear surrounded by smaller planet gears carried by a planet carrier enclosed in a ring gear.

To engage the low gear range, Toyota opens the conventional planetary gearset's brake 1 and locks brake 2, resulting in a reduction gear ratio of 3.900.

This shifter controls a planetary gearset, Toyota's transmission that mixes power from engine and electric motor.

Engineers at the Virginia Polytechnic Institute and State University have developed a continuously variable transmission based on a cam and a planetary gearset that might increase fuel efficiency 3 - 5 %.

ZF has designed a new 8 - speed automatic transmission for passenger cars based on a new transmission concept featuring four planetary gearsets and five shift elements.

And wow, four planetary gearsets, two wet clutches, four brakes.

Additionally, the electronically controlled continuously variable transmission (eCVT) that links the gasoline and electric motors has undergone a redesign, replacing the second of its two planetary gearset with a simpler two - axis design.

As with all Toyota hybrid transaxles introduced from 2006 forward, it utilizes a planetary reduction gear for the traction motor in addition to the planetary gearset that is employed as a power - split device.

It features a planetary gearset on the steering shaft (similar to BMW), that varies the steering ratio between 12.0:1 and 18.5:1.

In addition, the motor (MG2) is linked to the front wheel transaxle by means of a second planetary gearset, thereby making it possible to increase the power density of the motor.

But it's not a CVT, it's a ring and planetary gearset that engages and disengages to create a gear feel.

The transmission is made up of two 60 - kilowatt electric motors, three planetary gearsets and four fixed gears that use the same space as GM's six - speed automatic transmission.

A planetary gearset blends the two power sources and feels for all the world like a CVT (continuously variable transmission) to the Toyota Prius V driver.

The transmission, a planetary gearset that mixes power from the engine and motor to drive the front wheels, works completely seamlessly, so that I never felt different power sources taking over.

It continuously adjusts gear ratios through a planetary gearset that more precisely matches engine output with acceleration and fuel economy.

The rear liftgate and the hood are now aluminum, to lessen weight, but under that hood we still find a 3.5 - liter V - 6 engine sending its power to a planetary gearset, what Lexus calls an electronic continuously variable transmission (e-CVT).

Total kinematic content can be described as the number of torque transmitting devices plus the number of planetary gearsets.

Five planetary gearsets are used with four stationary clutches and three rotating clutches, saving space.

The transmission, a continuously variable unit relying on a mysterious interaction between planetary gearsets to mix electric and gasoline power, offered a Low range.

Borrowing a trick from the performance - oriented LC 500h, the hybrid LS uses a unique transmission that combines four fixed gears with a planetary gearset, the latter piece common to all Toyota and Lexus hybrids from the first Prius.

The new transmission was built around the Ravigneaux planetary gearset of the «X» transmissions.

To make that work, our 2014 Cherokee has a low - range planetary gearset in both its power takeoff unit and its rear differential.

The transmission houses two 60 - kilowatt (89 horsepower) electric motor / generators along with three different planetary gearsets and four traditional clutches.

The motor / generators work with the planetary gearsets, so the EVT is capable of an infinite range of gear ratios just like a continuously variable transmission.

In between the 2 motors, is a planetary gearset that acts as a continuously variable transmission and mixes or diverts power between the gas and electric motor.

Because the A-500 and A-518 were essentially made by adding lockup torque converters and an overdrive planetary gearset to the A-999, gear ratios were not optimal; they were not redesigned to match the torque curve and torque rise of the mated engine.

Dynamic Performance Control incorporates an advanced computer control and an innovative rear differential incorporating two planetary gearsets and two clutch packs that enables the system to multiply torque on an individual rear wheel.

The planetary gearset simultaneously fulfills three roles: as a power split device between the generator and the front wheels, as a reduction gear for the electric motor and, when both work together, as an electronically controlled continuously variable transmission (CVT).

A new twin planetary gearset allows for versatility in how the engine, motors, battery, and regenerative brakes are optimized to meet different driving demands.

Not exact matches

For more demanding conditions, Tundra's 4x4 configurations offer a part - time, shift - on - the fly four - wheel drive system featuring a six - pinion planetary reduction gearset to provide HIGH and LOW ranges.