DI Diesel Engines M57/M67 - Common Rail Sec. 1-10
Course contents/Background material
Sec. 7 Fuel system 1
Brief description of function 1
Requirements and objectives 2
System structure 3
Component description 6
Fuel tank 6
Advance delivery pump 6
Auxiliary delivery pump 7
Fuel filter 9
Inlet pressure sensor 10
Sec. 8
© BMW AG, Service Training
Pressure relief valve (LP system)
11
High pressure pump 12
Pressure control valve
18
High pressure fuel accumulator (Rail)
20
Rail pressure sensor
23
Injector
26
Fuel heating/cooling (air heat exchanger)
32
Distributor unit with throttle
34
Overview of injection systems 35
Distributor injection (radial piston principle) 36
Pump nozzle
37
Common rail
38
Conventional injection characteristics 39
Common rail injection characteristics
40
Summary of common rail system
43
Air intake and exhaust systems
1
Brief description
1
Requirements and objectives 1
System structure 2
Component description
3
Unfiltered air intake 3
Intake silencer
4
Exhaust turbocharger
6
Intercooler
8
Intake manifold (intake plenum)
9
Exhaust manifold
10
Exhaust gas recirculation (EGR)
11
Exhaust system
13
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