Sentences with phrase «cycle at high rpm»

It offers expanded valve opening angles (Wide) which enables the engine to operate in a modified - Atkinson cycle at low rpm for improved economy and lower emissions, and in the Otto cycle at high rpm for better performance, while delivering high torque throughout the rpm band.

Also, for the first time in a Lexus performance engine, the rear - wheel - drive coupe uses the Atkinson cycle at cruising speeds for enhanced fuel economy and then switches to the Otto cycle at higher rpm to enhance performance levels.

Not exact matches

The switch - down back from high to low RPM cams is set to occur at a lower engine speed than the switch - up (representing a hysteresis cycle) to avoid a situation in which the engine is asked to operate continuously at or around the switch - over point.

The Atkinson cycle sacrifices low - end torque for greater efficiency at higher rpms, the low - end torque being supplied by the electric motors in a hybrid.