Sentences with phrase «valve opening period»

Not exact matches

For example, at the start of the intake stroke of cylinder one and when both the intake and exhaust valves of cylinder one are open (valve overlap period), cylinder three already starts its exhaust stroke with the exhaust valve open.
Pumping losses are lowered when the variable valve timing allows an intake valve to remain open for a brief time period as the piston begins its compression stroke.
When the engine is placed under greater load, a switch to the camshaft lobe that opens the valve for a longer period is made and the driver can make use of the full power and torque of the engine.
Since due to camshaft timing each power stroke lasts approximately 120 degrees [ending when the exhaust valve opens], this means that there is a very short period of about 24 degrees when the crankshaft receives no torque.
For example, at the start of the intake stroke of cylinder one and when both the intake and exhaust valves are open (valve overlap period), cylinder three already begins its exhaust stroke with an open exhaust valve.
As the intake valves are open for shorter periods in the TSI Miller cycle, the cylinders must be filled with the cylinder charge at a boosted charge pressure.
Researchers observed a natural, regular, multidecadal oscillation between periods of Southern Ocean open - sea convection, which can act a release valve for the ocean's heat, and non-convective periods.
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