Sentences with phrase «planetary gear set»

Another goal was to implement the nine gears with a minimal number of planetary gear sets and shift elements.
Computer - based system analysis and mock - up made it possible to realize this goal with four simple planetary gear sets and six shift elements.
The reverse planetary gear set free wheels just like in second gear.
That would be two more planetary gear sets, which, along with a whole lot of computer processing power, do some pretty amazing things.
Because the kick down ring is not held the kick down planetary gear set just free wheels.
Note the VW Touareg does not use the same centre differential, this relies on a simple planetary gear set with a clutch lockup.
The center distance and vertical drop between the engine and output axes were designed to be common; this design approach enables the use of a common chain transfer design and final drive gearing, which provided a wide range of final drive sprocket and planetary gear sets allowing an effective final drive ranging from 2.64 to 3.50.
Polestar's test drivers focused specifically on Polestar 1's torque vectoring system, which is enabled by two rear electric motors with individual planetary gear sets.
Depending which planetary gear sets are connected in series, blocked or separated, multiplying the part ratios produces the overall ratio for the relevant transmission gear.
Two planetary gear sets operated by two computer - controlled clutches help steer the vehicle by increasing the amount of torque delivered to one rear wheel.
Your question is incredibly board because it can be broken into 5 distinct aspects; planetary gear sets operation, clutch and band operation, torque converter operation, control system operation and the power flow through the transmission.
Instead of using one or more planetary gear sets like a traditional transmission, a CVT uses pulleys and steel belts to provide an infinite number of «gear ratios».
With CB5 applied and providing reaction torque at the first planetary gear set, both motors can provide positive propulsion or negative regenerative braking torque, thus enhancing electric drive capability.
I understand planetary gear sets reasonably well and am amazed they can get EIGHT gears ratios in the same package.
If you receive customer reports of Mercedes - Benz vehicles equipped with the 722.9 (7G - Tronic) transmission being in limp home mode (intermittently or permanently) with fault code (s) 0741, 0893, 0894, 2502, 2504, 2505, 2511, 2711, 2783 stored in the transmission control module as well as particulate in the transmission oil pan (see photo), the cause may be related to the torque converter lock - up clutch or the rear planetary gear set.
The Jeep / ZF 9 - speed transmission has four planetary gear sets rather than the three found in most current automatics.
A unique combination of a conventional five - pinion planetary gear set and a compound Ravignaux gear set — known as a Le Pelletier arrangement — makes the AF40 - 6 very lightweight and compact.
Chevrolet claims that thanks to the Malibu's two - mode system (basically two planetary gear sets switched between via a clutch), they're able to have the car performing well both around town and on the highway, by metering - out how fast the gas engine spins.
The EVT has two 100 horsepower electric motors which, combined with power from the gasoline engine, channel power through three planetary gear sets via 5 - clutches to the rear wheels.
The tests evaluated the Polestar 1's torque vectoring system, which uses two rear electric motors that feature individual planetary gear sets.
The Daimler 9G - Tronic 9 speed gear box also had 4 simple planetary gear sets and 6 shift elements.
This is accomplished by a quazai differential / planetary gear set.
By now the Evo has a six - speed» box, Super-Active Yaw Control using a planetary gear set with a greater torque transfer capacity, and MIVEC variable valve timing.
The electric element of the Polestar 1's hybrid powertrain consists of two electric motors that drive the rear axle through a planetary gear set.
The transmission has these basic components; input shaft, front clutch, reverse clutch, kick down band, low and reverse band, kick down planetary gear set, intermediate shaft, reverse planetary gears set and output shaft.
The reverse clutch is attached to both the sun gears of the planetary gear sets, the kick down band can also stop the same assembly.
The front clutch is attached to the ring gear of the kick down planetary gear set through the intermediate shaft.
As i said this is very confusing because the two planetary gear sets are working together to increase the gear ratio.
The planetary gear set allows the gasoline engine to operate at its most efficient or powerful engine speed relative to the vehicle's speed.
But instead of a single giant lump of metal powering the Polestar 1, the performance coupe uses a Volvo Drive - E four - cylinder engine to drive the front wheels, and a pair of electric motors combined through a planetary gear set to drive the rear wheels.
Then in turn clutches F&D are engaged to ground intermediate shaft 70 and planetary gear set 3 to provide a reversal of the direction of rotation.
A planetary gear set has a central gear, known as the sun gear, an outer ring that has internal gear teeth which is called the ring gear and two or three other gears which are called planet gears and allow the gear ratio to change as the vehicle accelerates.
Combined with the electric motors are planetary gear sets.
These planetary gear sets enable torque vectoring — a technology used in racing to bring both acceleration and stability through curves.
GM's base FWD 2 - mode system incorporates two electric motors, two planetary gear sets and a system of four hydraulically - applied wet - plate range clutches to deliver two continuously variable speed - ratio ranges (modes) and four forward fixed gear ratios.
The basis of the new ZF automatic transmission generation is a new transmission concept featuring four planetary gear sets and five shift elements.
The ZF 8 - speed transmission is based on an innovative gear set design with four planetary gear sets and five shift elements designed to significantly reduce internal drag losses, while the modern torsional damper systems in the torque converter improve fuel economy and reduce CO2 emissions.
The Antonov dual - speed front end accessory drive uses a planetary gear set to enable either a direct of step - up ratio.
The new 8 - speed automatic transmission emerged from a systematic search on the part of ZF developers for the «ideal» planetary gear set.
MG1 controls the output speed of the transaxle through the planetary gear set, without clutches or a viscous coupling.
The transmission is based on an innovative gear set design with four planetary gear sets and five shift elements designed to significantly reduce internal drag losses, while the modern torsional damper systems in the torque converter improve fuel economy and reduce CO2 emissions.
It features four planetary gear sets that work together to provide a gear ratio spread significantly wider than its 6 - speed predecessor.
In addition to its motor - generator duties, the crucial MG1 adds two functions: One as a starter motor for the gas engine; and two, by regulating the amount of electrical power it generates (which varies its RPM), MG1 controls the output speed of the transaxle through the planetary gear set — without clutches or viscous couplings.
The other motor generator (MG1) remains as before with the planetary gear set in a coaxial relationship with the engine crank shaft.
A planetary gear set allows the transmission to shift between forward and reverse directions with the operation of a multi-plate clutch, with plates that have a 10 % increase in surface friction.
A planetary gear set between the motors works with the first as a conventional continuously variable transmission (CVT).
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