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In fuel-injected petrol engines, an electric fuel pump is typically located inside the fuel tank. For older port injection and throttle-body injection systems, this "in-tank" fuel pump transports the fuel from the fuel tank to the engine, as well as pressurising the fuel to typically 40–60 psi (3–4 bar).
MFM supports proper maintenance on marine engines and generators by using the actual fuel burned or hours operated as the basis for performing maintenance routines. This condition-based maintenance program more accurately reflects the operating environment of the engine, but more importantly, reduces or eliminates unnecessary maintenance work.
Yanmar 2GM20 fuel filter. An inline fuel filter is easily accessible from the front part of the engine. The filter retains solid particles and separates water from diesel (as water is heavier than diesel, it will settle at the bottom of the filter), just before the diesel fuel enters the highly sensitive high-pressure fuel pump. The water ...
A pump-jet, hydrojet, water jet, or jet drive uses a ducted propeller (axial-flow pump), centrifugal pump, or mixed flow pump to create a jet of water for propulsion. These incorporate an intake for source water and a nozzle to direct its flow out, generating momentum, and in most cases, employing thrust vectoring to steer the craft. [30]
The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits. The gear pump is a marine gear pump that uses the meshing of gears to pump fluid by displacement. It is one of the most common types of pumps for ...
Oil terminals may be located close to, or be part of, oil refineries; or be located in coastal locations where marine tankers can discharge or load cargo. [3] Some terminals are connected to pipelines from which they draw or discharge their products.
The 14-cylinder version first entered commercial service in September 2006 aboard the Emma Mærsk. The design is similar to the older RTA96C engine, but with common rail technology (in place of traditional camshaft, chain gear, fuel pump and hydraulic actuator systems).
Data available until 2011 for fuel oil sales to the international marine shipping sector reports 207.5 million tonnes total fuel oil sales with HFO accounting for 177.9 million tonnes. [9] Marine vessels can use a variety of different fuels for the purpose of propulsion, which are divided into two broad categories: residual oils or distillates.
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