OH-Model Single-acting fuel pump for DE (Diesel engines)-function of the pump -elastic supply -co-ordinated displacement of the valves..

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OH-Model Double-acting fuel pump for DE-function of the pump -elastic supply -co-ordinated displacement of the valves..

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OH-Model External gear pump-oil flow through the pump -function of the pump..

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OH-Model Rotor pumpIn increase or decrease in volume of the chambers between inner and outer rotor causes suction or pressure...

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OH-Model Valve timing-function of the desmotronic valve actuation (with cams to open and close the valve) -different cam shapes cause different cylind..

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OH-Model Hydraulic valve tappet I-how the hydraulic valve tappet works under pressure and release -function of piston, spring and ball..

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