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2. Air-blast injection - Wikipedia

   en.wikipedia.org/wiki/Air-blast_injection

   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 ...

3. Parts cleaning - Wikipedia

   en.wikipedia.org/wiki/Parts_cleaning

   Aqueous parts cleaning industrial washer. Parts cleaning is a step in various industrial processes, either as preparation for surface finishing or to safeguard delicate components. One such process, electroplating, is particularly sensitive to part cleanliness, as even thin layers of oil can hinder coating adhesion.

4. Secondary air injection - Wikipedia

   en.wikipedia.org/wiki/Secondary_air_injection

   Air injection can also be achieved by taking advantage of the negative pressure pulses in the exhaust system at engine idle. A sensitive reed valve assembly called the aspirator valve is placed in the air injection pumping, which draws its air directly from the clean side of the air filter. During engine idle, brief but periodic negative ...

5. Fuel injection - Wikipedia

   en.wikipedia.org/wiki/Fuel_injection

   In 1872, George Bailey Brayton obtained a patent on an internal combustion engine that used a pneumatic fuel injection system, also invented by Brayton: air-blast injection. [24]: 413 In 1894, Rudolf Diesel copied Brayton's air-blast injection system for the diesel engine, but also improved it.

6. Manifold injection - Wikipedia

   en.wikipedia.org/wiki/Manifold_injection

   Intake air throttling changes the amount of air sucked into the engine, which means that if a stoichiometric air-fuel mixture is desired, the amount of injected fuel has to be changed along with the intake air throttling. To do so, manifold injection systems have at least one way to measure the amount of air that is currently being sucked into ...

7. Vehicle emissions control - Wikipedia

   en.wikipedia.org/wiki/Vehicle_emissions_control

   Air injection is now used to support the catalytic converter's oxidation reaction, and to reduce emissions when an engine is started from cold. After a cold start, an engine needs an air-fuel mixture richer than what it needs at operating temperature , and the catalytic converter does not function efficiently until it has reached its own ...