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Injection pump for a 12-cylinder diesel engine. An injection pump is the device that pumps fuel into the cylinders of a diesel engine.Traditionally, the injection pump was driven indirectly from the crankshaft by gears, chains or a toothed belt (often the timing belt) that also drives the camshaft.
Common rail fuel system on a Volvo truck engine. In 1916 Vickers pioneered the use of mechanical common rail systems in G-class submarine engines. For every 90° of rotation, four plunger pumps allowed a constant injection pressure of 3,000 pounds per square inch (210 bar; 21 MPa), with fuel delivery to individual cylinders being shut off by valves in the injector lines. [1]
The 4 VD 14,5/12-1 SRW is a water-cooled four-stroke diesel engine with four inline cylinders. The Fuel is injected with a mechanical direct injection system. The bore is 120 mm, the stroke is 145 mm, the displacement is 6560 cm³.
Early Lucas electronic diesel unit injector. A unit injector (UI) is a high-pressure integrated direct fuel injection system for diesel engines, combining the injector nozzle and the injection pump in a single component. The plunger pump used is usually driven by a shared camshaft. In a unit injector, the device is typically lubricated and ...
Bosch has heritage of water injection MW50 design in the past with Daimler-Benz DB 605. Today the manufacture claims up to 5% increase in engine performance, up to 4% decrease in CO 2 emissions and up to 13% improvement in fuel economy. [13] Similar results were reported in "Water Injection - High Power and High Efficiency combined" [14]
The car, called 320d, is powered by a 2-litre, straight-four diesel engine with direct injection and a helix-controlled distributor injection pump (Bosch VP 44), producing 180 kW (240 hp). The fuel consumption is 23 L/100 km, only half the fuel consumption of a similar Otto-powered car.