A continuously variable transmission (CVT) is a transmission that can change continuously with an infinite number of effective gear ratios between maximum and minimum values. This contrasts with other mechanical transmissions that offer a set number of gear ratios. The flexibility of a CVT allows the shaft to maintain a constant angular velocity in the range of output speeds. This can provide better fuel economy than other transmissions, allowing the engine to its most efficient revolutions per minute (RPM) for a range of vehicle speeds. Altern ....etc

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Definition

After more than a century of research and development, the internal combustion (IC) engine is nearing both perfection and obsolescence: engineers continue to explore the outer limits of IC efficiency and performance, but advancements in fuel economy and emissions have effectively stalled. While many IC vehicles meet Low Emissions Vehicle standards, these will give way to new, stricter government regulations in the very near future. With limited room for improvement, automobile manufacturers have begun full-scale development of alt ....etc

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STEPLESS SPEED DRIVES &CONTINUOUSLY VARIABLE TRANSMISSION (CVT)
INTRODUCTION
A continuously variable transmission (CVT) is a transmission that can change steplessly through an infinite number of effective gear ratios between maximum and minimum values.
This contrasts with other mechanical transmissions that offer a fixed number of gear ratios.
The flexibility of a CVT allows the driving shaft to maintain a constant angular velocity over a range of output velocities.
ADVANTAGES
This can provide better ef ....etc

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Definition

After more than a century of research and development, the internal combustion (IC) engine is nearing both perfection and obsolescence: engineers continue to explore the outer limits of IC efficiency and performance, but advancements in fuel economy and emissions have effectively stalled. While many IC vehicles meet Low Emissions Vehicle standards, these will give way to new, stricter government regulations in the very near future. With limited room for improvement, automobile manufacturers have begun full-scale development of alt ....etc

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ABSTRACT
As the U.S. government enacts new regulations for automotive fuel economy and emissions, the continuously variable transmission, or CVT, continues to emerge as a key technology for improving the fuel efficiency of automobiles with internal combustion (IC) engines. CVTs use infinitely adjustable drive ratios instead of discrete gears to attain optimal engine performance. Since the engine always runs at the most efficient number of revolutions per minute for a given vehicle speed, CVT-equipped vehicles attain better ....etc

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Continuously variable transmission (CVT)

After more than a century of research and development, the internal combustion (IC) engine is nearing both perfection and obsolescence: engineers continue to explore the outer limits of IC efficiency and performance, but advancements in fuel economy and emissions have effectively stalled. While many IC vehicles meet Low Emissions Vehicle standards, these will give way to new, stricter government regulations in the very near future. With limited room for impr ....etc

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CHAPTER1-INTRODUCTION
Unlike traditional automatic transmissions, continuously variable transmissions don't have a gearbox with a set number of gears. Continuous Variable Transmission (CVT), which is now replacing planetary automatic transmission in some of the automobiles. The most common type of CVT operates on an ingenious pulley system that allows an infinite variability be-tween highest and lowest gears with no discrete steps or shifts.
CVTs offer a continuum of infinitely variable gear ratios by changing the location of pull ....etc

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