Engine Classification

Engine Classification according to Fuel Used

Gasoline Engine uses gasoline as fuel. This engine uses carburetor to mix fuel with air and form it into a vaporized form before it goes into the cylinder and ignited by spark plug.

Diesel Engine uses crude oil as fuel. Air is compressed to rise up temperature and fuel is injected into cylinder in atomized form. Hot compressed air ignites the fuel.

Engine Classification according to Method of Cooling

Indirect Cooling System usually called water engine. Water circulates inside the engine through water jackets and absorbs heat to maintain engine operating temperature. Hot water is being cooled to the radiator.

Direct Cooling System usually called air cooled engine. Air is blown by the blower to the engine body with air fins to absorb heat.

Engine Classification according to Cylinder Arrangement

Vertical or Inline Engine has cylinders have vertical center lines arrange one after the other.

Horizontal Engine has engine with horizontal center line of cylinders.

V Type Engine has engine block or cylinders resembles a letter V shape.

Radial Engine has cylinders arranged in radial manner.

Engine Classification according to Valve Arrangement

T Head Arrangement has valves arranged in both side of cylinder block. All intake valves in one side all exhaust on the other side.

L Head Engine has intake and exhaust valves arrange in one side of cylinder block.

F Head Engine have intake valves in the cylinder head and exhaust valves on one side of cylinder block.

I Head Engine has all intake and exhaust valves located in the cylinder head block.

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