MAJOR DEVELOPMENTS FOR THE AUTOMOTIVE INDUSTRY FOR THE NEXT FIVE YEARS - PowerPoint PPT Presentation

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MAJOR DEVELOPMENTS FOR THE AUTOMOTIVE INDUSTRY FOR THE NEXT FIVE YEARS

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This cam has higher lift and different timing.The spring puts the pins in its rest position. VTEC E: deactivates one of the two intake valve at low engine speeds. – PowerPoint PPT presentation

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Title: MAJOR DEVELOPMENTS FOR THE AUTOMOTIVE INDUSTRY FOR THE NEXT FIVE YEARS


1
MAJOR DEVELOPMENTS FOR THE AUTOMOTIVE INDUSTRY
FOR THE NEXT FIVE YEARS
  • Luis Enrique Arimany

2
AUTOMOTIVE INDUSTRY STUDY
  1. High growth in the Diesel sales

3
2. Shrink of upper-medium segment
4
3.Another market key points
  • Less manufacturers
  • Platforms
  • Modular cars
  • Extended enterprise

5
3. Emissions legislation
Euro III 1103 268D Euro IV 208 no D
  • Euro III 2000
  • Euro IV 2005
  • Tier 2 2004-2007

6
Important developments
  • Common Rail
  • EGR
  • VGT
  • Lean burn
  • 3 litre car
  • Variable cam timing / Camless
  • Hybrid
  • Fuel Cells
  • NOx Traps
  • 42 volts
  • New fuels
  • Active suspension
  • SC, TC, ABS

7
Common-rail
  • No relation with speed
  • Independent control of
  • Injection pressure
  • timing
  • quantity
  • Better performance
  • specfic output (40)
  • fuel consumption (30)
  • noise

8
Common-rail (2)
  • Pump
  • Common pressure acumulator
  • Injectors/Solenoid
  • ECU

9
3 litre car
  • CO2 emmisions
  • Fuel economy.
  • How
  • Light weight
  • Friction reduction
  • Aerodynamic drag
  • Rolling resistance
  • Engine performance
  • Lean burn
  • Hybrid cars
  • Small engine
  • TDI

10
Lean burn / GDI
  • Higher Thermal efficiency
  • Higher compression ratio (12)
  • Higer volumetric efficiency

11
GDI
  • Upright straigh intake
  • Spherical cavity in piston
  • High pressure pump (15)
  • Stratified charge
  • Homogeneous charge

12
Hybrid cars
  • Drive 400 Km between re-fuelling
  • Be refuelled quickly and easily
  • Minimum performance (small engine)
  • Pollution

13
Hybrid cars (2)
  • Recover energy in the battery when braking
  • Shut of the engine when not need
  • Reduce emissions
  • E.g. Honda Insight and Toyota Prius

14
Fuel cells
  • Elements
  • Electrodes
  • Membrane
  • Electrolyte
  • Catalysts
  • Types
  • By electrolyte
  • Solid
  • Liquid

15
Fuel cells
  • By temperature
  • Low temperature
  • High temperature
  • Advantages
  • H2 is clean?
  • Better efficiency

16
Variable cam timing
  • Compromise between power, torque and idle.
  • Some ideas
  • Late IVC
  • Early EVO
  • Overlap Early IVO late EVC

17
Variable cam timing (2)
  • Infinitely valve timing
  • Operate outside cams
  • Operate middle cam (interconnected rockers)

18
Variable cam timing (3) / Camless
  • VTEC-E
  • Deactivates one valve
  • High swirl
  • Run lean (AFR20)
  • Camless
  • Solenoid
  • Control/ Maximum performance
  • Instantaneous open

19
VGT and EGR
20
Any question?
21
References
  • Automotive Bosh hadbook
  • Automotive news
  • Autopista magazine
  • VCA
  • Internal combustion Engine fundamentals. J.b.
    Heywood.
  • Matthew Harrison. Cranfield Piston engine notes.
  • www.howstuffworks.com
  • htpp//asia.vtec.net
  • Articles from the data bases Science Direct and
    Proquest
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