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Engine Overview

Any machine that transforms any form of energy (chemical, electrical) into mechanical work transmitted through the way of his body (motor shaft) is called a motor. The internal combustion engine is the mechanically unit within which combustion occurs. Mechanical work is obtained throught the heat of combustion.



Diesel or gasoline engines operate on a white-crank principle.
What this means? According to this principle, the bell-crank mechanism is designed to distribute the reciprocating movement of the pistons in the rotation movement of the crankshaft.

The internal combustion engine has the following systems or components:

  • mobile mechanism (piston, connecting rod, crankshaft)
  • fixed parts (engine block, cylinder head, oil sump)
  • air intake system (intake manifold, turbo compressor, filter)
  • exhaust system (exhaust manifold, muffler)
  • gas distribution systems (camshafts, valves)
  • fuel system (pump, injector, filter)
  • grease lubrication system (pump, filter)
  • petrol ignition system (ignition coil, spark plugs)
  • electrical system (starter, alternator)
  • auxiliary systems (cooling, air conditioning)

See the Diesel Engine and Gas Engine!

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