An exhaust valve is a critical component in an internal combustion engine that allows burnt gases to exit the combustion chamber after the power stroke. Its operation is crucial for maintaining engine efficiency and preventing back pressure, which can adversely affect engine performance.
Variable camshaft timing (VCT) is a technology used in internal combustion engines to optimize performance, fuel efficiency, and emissions by adjusting the timing of the camshaft during engine operation. This dynamic adjustment allows the engine to adapt to different speeds and loads, improving overall engine efficiency and power output.
A timing chain is a crucial component in an internal combustion engine, designed to synchronize the rotation of the crankshaft and the camshaft, ensuring that the engine's valves open and close at the correct times during each cylinder's intake and exhaust strokes. Unlike timing belts, timing chains are made of metal and are generally more durable, requiring less frequent replacement but are more expensive to repair if they fail.
Top Dead Center (TDC) is the position in an engine's cycle where the piston reaches its highest point within the cylinder, marking the end of the compression stroke and the beginning of the combustion stroke. This critical position is essential for timing the ignition of the fuel-air mixture, ensuring optimal engine performance and efficiency.