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This invention relates generally to fuel supply systems for engines, and more particularly to a method and apparatus for introducing fuel to an internal combustion engine both upstream and downstream of the intake manifold. While consumers continue to demand improved engine performance in terms of power, efficiency, reliability, and driveability, regulating bodies continue to impose stricter standards requiring further reductions in harmful exhaust emissions. As a result, engine development engineers must continually strive to develop new technologies that improve combustion performance while reducing exhaust emissions in order to meet market demands.
Fuel injection is the introduction of fuel in an internal combustion enginemost commonly automotive enginesby the means of an injector. All diesel engines use fuel injection by design. Petrol engines can use gasoline direct injectionwhere the fuel is directly delivered into the combustion chamberor indirect injection where the fuel is mixed with air before the intake stroke.
His previous emails informed me that he was in Bangkok for work, and subsequent emails informed me that he must have found the only hotel in Thailand that served Japanese and Chinese, but no Thai food. Since Dave was likely out of his mind on Phucket beer and Thai Stick when he wrote it, I take no responsibility for the information contained in this article. Often times the term fuel pressure is used with little understanding of what it really means.
A liquid fuel injector connected to the fuel line manifold and return line manifold by plastic tubing, standard petrol fittings, or high pressure hosing so aiding ease of installation, each injector having a separate inlet and return line to assist in fuel temperature control. The injectors are designed to assist in keeping the temperature of the fuel as low as possible with the injector coil not being cooled by the fuel, but by ambient air. The invention will generally be discussed in relation to the operation of a liquified petroleum gas fuelled vehicle with petrol gasoline as a second fuel however the invention is not limited to the use of these two fuels.
One of the most important components of a well-functioning engine is the fuel system. Modern cars tend to be fuel injected, rather than using carburetors, but not all fuel injection system are created equal. Multi-point injectors are more complicated than single-point systems, but they lead to an engine with better fuel economy and cleaner emissions.
Global market forecasts for the coming years assume double-digit growth rates for natural-gas vehicles. There are some very good reasons for the increased use of alternative powertrain technology fueled by natural gas. Compared with liquid fuel, natural gas produces fewer emissions CO 2 and particulate matter.
The fuel injector is an electromechanical device that meters and atomizes fuel so it can be sprayed into the intake manifold. Fuel injectors resemble spark plugs in size and shape. As mentioned earlier, they mount into the intake manifold runners port systems or throttle body housing TBI systems.