Most modern variable valve-timing (VVT) systems use a cam phaser that rotates the position of each camshaft relative to the timing chain. Think of making a record turntable go faster or slower by ...
VARIABLE-VALVE TIMING ALLOWS for controlled scheduling of valve-timing events. When applied to spark-ignition engines, it yields improvements in emissions, economy, and performance. The benefits for ...
BorgWarner Inc. told SAE World Congress attendees it expects wet-clutch and control system technology like that used in its DualTronic transmissions to capture up to 20% of the European passenger car ...
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