Scavenging (engine)
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Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air–fuel mixture for the next cycle. If scavenging is incomplete, the remaining exh
Cross flow scavenging with a deflector piston
Poppet valve
Videos
In internal combustion engines, a poppet valve is a valve typically used to control the timing and quantity of petrol or vapour flow into or out of an engine, but with many other applications.
Scavenging (engine)
…Ltd in the United Kingdom in the early 1890s. These Crossley Otto Scavenging Engines were made possible by the recent change from slide valves to poppet valves, which allowed more flexible control over valve timing events. The closing of the exhaust valve occurred more than 30 degrees later than on earlier…
Overhead camshaft engine
Oscillating poppet valve on one of Chapelon's rebuilt 4-6-2 locomotives
Poppetvalve