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Before the invention of precombustion chamber injection, air-blast injection was the only way a properly working internal air fuel mixture system could be built, required for a Diesel engine. During the 1920s, [2] air-blast injection was rendered obsolete by superior injection system designs that allowed much smaller but more powerful engines ...
For other vehicles, he and another source said that periodic use of a concentrated engine cleaner every 100,000 miles will "often" clean out carbon buildup. [25] However, journalist and automotive mechanics instructor Jim Kerr says that with some brands of gasoline, deposits can build up on intake valves in less than 10,000 kilometers (6200 ...
The air and fuel are mixed only inside the combustion chamber. Therefore, only air is sucked into the engine during the intake stroke. The injection scheme is always intermittent (either sequential or cylinder-individual). This can be done either with a blast of air [4] or hydraulically, with the latter method being more common in automotive ...
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The fuel pump is mounted above the cylinder head and driven by the camshaft, [21] the air-blast pump is cast onto the cylinder and driven via a lever by two connecting rods from the engine's piston rod. [26] Like all air-blast injected diesel engines, the Motor 250/400 has a compressed gas bottle for the injection air. It is made of welded ...
The Vespa ET2 scooter had a 50 cc two-stroke engine in which air was admitted through the transfer port and a rich fuel mixture was injected into the cylinder near the spark plug just before ignition. The injection system was purely mechanical, using a timed pumping cylinder and a non-return valve.
The following are the main uses of dry ice blasting in car cleaning: [26] Engine cleaning. Dry ice blasting can quickly remove oil, carbon deposits and dust from the engine surface without damaging wires, rubber parts and other sensitive parts. This non-contact cleaning method can ensure the normal operation of the engine and extend its service ...
This injector "blasts" a sheet of fuel with a stream of air, atomizing the fuel into homogeneous droplets. This type of fuel injector led to the first smokeless combustors. The air used is just some of the primary air (see Air flow paths below) that is diverted through the injector, rather than the swirler. This type of injector also requires ...