Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

Injection pumps are positive displacement pumps that use expanding and contracting cavities to move fluids. Injection pumps used in diesel engines are driven indirectly by gears or chains from the ...

Before electronic fuel injection showed the way forward, European engineers created radically and wonderfully complicated ...