Engine Valve: Definition, Types, Construction, and Working Explained in detail

Engine Valve: Definition, Types, Construction, and Working Explained in detail

Engine valves
Eaton is the leading global supplier of engine valves, supplying nearly all vehicle and engine manufacturers worldwide.

Solutions such as hollow valve manufacturing, seat welding, salt bath nitriding, and continuous materials and coatings development overcome the issues of increased temperatures, combustion pressures, corrosion and seat wear.

For more than 85 years, Eaton has been designing and developing engine valve technologies for manufacturers that require high quality valves for gasoline, diesel and alternative fuel engines.

Inlet Valve
The Inlet valve is provided for the intake of fuel into the combustion chamber. When the inlet valve closes it seals the combustion chamber tightly and restricts more fuel to come in. As fuel coming in is at a lower temperature so inlet valve is usually made of nickel-chromium alloy steel.


Exhaust Valve
The function of the exhaust valve is to remove the burnt fuel i.e., exhaust gases out of the combustion chamber so that fresh charge can come in. As exhaust gas has a higher temperature. The exhaust valve is made of a steel alloy of silicon and chromium which has good resistance to heat.

Working of an engine valve:

The pdf contain Engine Valve: Definition, Types, Construction, and Working Explained in detail:

Table of Contents

  • What is the Definition of Engine Valve?
  • Inlet Valve:
  • Exhaust Valve:
  • What are different Types of Engine Valves?
  • Structure or Parts of a Modern Engine Valve:
  • Types of Poppet valves based on the Fabrication technique:
  • Working of an engine valve:
  • Valve Timing diagram:
  • Two Types of Valve Operating Mechanism:
  • Materials used for Making Engine valves:

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