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Video Diesel Engine 1
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Video Petrol/Diesel Engine
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Video Inventor Rudolf Diesel
Video Crosshead Engine
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Video Work at Truck Engine
Video Combustion Engine
Video Compression Ignition
Video Direct Injection
Video Side Comb. Chamber
Video Diesel Fuel
Video Not running
Video Test diagnostic
Video Injection Nozzle Tests
Video Pump Injectors
Video Particulate Filter
Video Two-stroke Engine
Video Marine engines 1
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Video V-10 Diesel Engine
Video Internal Mixt. Form.
Video Mixture Preparation
Video Supply Pump
Video Diesel injection 2012

Video Common Rail 1
Video Common Rail 2
Video Common Rail 3
Video Common Rail 4
Video Common Rail 5
Video Common Rail 6
Video Common Rail 7
Video Common Rail 8
Video Common Rail 9
Video Common Rail 10

Video Fuel supply 2
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Video Repair 1
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Video Throttle Pintle Nozzle
Video Hole Type Nozzle
Video Glowing System 1
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Video Glowing System 3
Video Glowing Plug Sensor
Video Hole Type Nozzle
Video Injection Nozzle Tests
Video Injection Pump Test
Video Pump Injectors 1
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Video Pump Injectors 3
Video Diesel Fuel Filter 1
Video Diesel Fuel Filter 2
Video Reverse Running
Video Fuel Cooling
Video In-line Inj. Pump
Video Injection Pump
Video In-line Pump (classic)
Video In-line Pump (P-type)
Video In-line Pump (M-type)
Video In-line Pump 4
Video In-line Pump 5
Video In-line Pump 6
Video In-line Pump 7
Video Centrifugal Governor
Video Fuel Piston Pump
Video Electr. Inline Pump
Video Distr. Type Pump 1
Video Distr. Type Pump 2
Video Axial Distr. Pump 1
Video Axial Distr. Pump 2
Video Axial Distr. Pump 3
Video Axial Distr. Pump 4
Video Axial Distr. Pump 5
Video Radial Distr. Pump 1
Video Radial Distr. Pump 2
Video Radial Distr. Pump 3
Video Electr. Diesel Control
Video Centrifugal Governor
Video Press. Red. Valve
Video Blocking-vane Pump
Video Fuel Filter - Hand Pump
Video Diesel Fuel
Video Fuel Preheating

Video Diesel Processes 1
Video Diesel Processes 2
Video Diesel Processes 3
Video Diesel Processes 4
Video Diesel Injection 1
Video Diesel Injection 2
Video In-line Injection Pump
Video Distributor Pump 1
Video Distributor Pump 2


          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Side Combustion Chamber












Function

The side combustion chamber system in the Diesel engine reduces the noise and strain, and prevents a sudden combustion of the fuel in the main combustion chamber, causing a sudden pressure increase.

How it works

Pure air is sucked in, and pushed into the side combustion chamber. An engine driven, mechanical high pressure pump injects the Diesel fuel at the end of the compression stroke with around 130 bar into the side combustion chamber.The first picture displays the prechamber, in which the fuel is squirted onto a hot ball in the interior where it evaporates and burns. The pressure reaches, through a number of narrow ports, the main combustion chamber.
The next pictures on top show the later developed whirl chamber. Here approx. 50 to 75% of the air, while compressing, is pressed tangentially into the side combustion chamber, mixing by the swirl of the injection intensely with fuel.The fuel-air mixture burns. By the combustion the pressure increases, and pushes the burning mixture by the same port into the main combustion chamber. Prechamber and whirl chamber are entirely or partly independent components which can be exchanged if necessary without having to replace the complete cylinder head.
The side combustion chamber system reduces sudden loads of the crank device. It improves the running comfort of the diesel engine, however, it has disadvantages for the achievement, torque and the fuel consumption. Because nowadays the disadvantages of the direct fuel injection are significantly reduced, by using specialized materials and an electronically controlled injection, direct fuel injection has substituted, almost entirely, the side combustion chamber diesel engines.

Important

The surface of the main- and side combustion chambers extract during the start of the engine large parts of the compression heat. Therefore, an electrical pre-glow is necessary for starting, except when the engine is warm.






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Translator: Don Leslie - Email: lesdon@t-online.de

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