Động cơ không trục cam camless engine

University of Technology and Education Falculty of Vehicle and Energy Engineering

CAMLESS ENGINE

Prepared by : Nguyen Hoang Long

1 CAMSHAFT

• An intergral part of internal combustion engine • Push valves at proper time and guide their closer

• Less volumetric effiency• Engine is large in size• Many moving parts• Heavy engine

1 CAMSHAFT

OHV (Over head valve)

1 CAMSHAFT

SOHC (Single over head camshaft)DOHC (Double over head camshaft)

1 CAMSHAFT

Christian Von Koenigsegg

2 CAMLESS ENGINE

2 CAMLESS ENGINE

• Minimize fuel consumtion

• Optimize the volumetric of the mixture • Maximize the performance

• Reduce emissions • Cleaner exhaust gas • Fully variable valve control

• Independent control of intake and exhaust valve

2 CAMLESS ENGINE

Air charging stage

3 ELECTRO-HYDRAULIC-PNEUMATIC ACTUATORS

3 ELECTRO-HYDRAULIC-PNEUMATIC ACTUATORS

Expansion stage

3 ELECTRO-HYDRAULIC-PNEUMATIC ACTUATORS

Air discharging stage

4 ANALYZING THE PERFOMANCE OF CAMLESS ENGINE

• Extend maximum lift height

• Optimize the time and degree of engine valve

4 ANALYZING THE PERFOMANCE OF CAMLESS ENGINE

4 ANALYZING THE PERFOMANCE OF CAMLESS ENGINE

5 CONCLUSION

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