Air-blast injection
Air-blast injection is a historical direct injection system for Diesel engines. Unlike modern designs, air-blast injected Diesel engines do not have an injection pump. A simple low-pressure fuel-feed-pump is used instead to supply the injection nozzle with fuel. At injection, a blast of compressed air presses the fuel into the combustion chamber, hence the name air-blast injection. The compressed air comes from compressed-air tanks which feed the injection nozzle. A large crankshaft-driven compressor is used to re-fill these tanks; the size of the compressor and the low rotational frequency of the engine's crankshaft means that air-blast injected Diesel engines are huge in size and mass, this, combined with the problem that air-blast injection does not allow for quick load alteration makes
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Air-blast injection
Air-blast injection is a historical direct injection system for Diesel engines. Unlike modern designs, air-blast injected Diesel engines do not have an injection pump. A simple low-pressure fuel-feed-pump is used instead to supply the injection nozzle with fuel. At injection, a blast of compressed air presses the fuel into the combustion chamber, hence the name air-blast injection. The compressed air comes from compressed-air tanks which feed the injection nozzle. A large crankshaft-driven compressor is used to re-fill these tanks; the size of the compressor and the low rotational frequency of the engine's crankshaft means that air-blast injected Diesel engines are huge in size and mass, this, combined with the problem that air-blast injection does not allow for quick load alteration makes
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Air-blast injection is a histo ...... in November 1893 (DRP 82 168).
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Camshaft and rocker arms seen from above
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Compressed-air tanks
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Lateral view
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Lateral view, compressor and compressed-air tanks well visible
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Camshaft and rocker arms seen from above
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Compressed-air tanks
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Lateral view
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Lateral view, compressor and compressed-air tanks well visible
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Diesel engine made by Grazer W ...... t vorm. Joh.Weitzer GRAZ, 1915
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Langen & Wolf Diesel engine using air-blast injection, 1898
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Air-blast injection is a histo ...... or quick load alteration makes
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Air-blast injection
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