About Engines and Components
Engines and components are used to convert energy into mechanical force and motion for automotive and industrial applications. There are many different types of products. Examples include automotive engines, diesel engines, gasoline engines, and natural gas engines. This product area also includes engine components such as cylinder head packages, cylinder head gaskets, roller rocker arms, camshafts, valve train components, timing sets, oil pans, oil coolers, oil filters, radiators, and thermostats. Automotive engines use gasoline or diesel fuel and must meet specific regulatory requirements and quality standards. In the United States, both engines and components use advanced engine control systems to manage fuel consumption and reduce emissions. Typically, an industrial diesel engine includes a high-pressure fuel system, electronic pump, and electronic controls. For gasoline-powered engines, industrial engine control systems are used to reduce carbon monoxide, nitrogen oxide, and hydrocarbons released during power generation. A gasoline engine ignites a fuel-air mixture with a spark from a spark plug. A natural gas engine can vary its operating speed depending on the weight of the load.
Engines and components carry many different specifications. For example, an industrial diesel engine can have a 12-volt fuel-control solenoid, oil cooler, 12-volt starter, and a battery-charging alternator. The proper selection of an industrial engine component may also involve the choice of a fuel filter, fuel lift pump, or exhaust elbow. The compression ratio is an important specification to consider when selecting engines and components. With a natural gas engine, about 50% of the heat from the input fuel can be recovered from the exhaust gas. A jacketed cooling system may be used to increase overall efficiency. Engine components also carry detailed product specifications. For example, cylinder head packages are matched with stainless steel valves, valve springs, retainers and seals. Roller rocker arms carry both a stud diameter and ratio.
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Engineering Web: Engines and Components
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