The Triangle of Combustion
- cataplt
- Mar 12
- 1 min read
Intake, Compression, and Ignition

The triangle of Intake, Compression, and Ignition represents the core stages of an internal combustion engine’s operation, driving the process that powers vehicles and machinery. These phases work in harmony to convert fuel into mechanical energy.
Intake: During the intake phase, the engine draws in a mixture of air and fuel into the cylinder. This step ensures the necessary components are present for combustion, setting the foundation for the engine’s power generation.
Compression: In the compression phase, the piston compresses the air-fuel mixture within the cylinder. This compression increases pressure and temperature, making the mixture more volatile and ready for efficient combustion.
Ignition: The ignition phase occurs when a spark (in gasoline engines) or high pressure (in diesel engines) ignites the compressed air-fuel mixture. This controlled explosion generates energy that pushes the piston, creating the mechanical force to drive motion.
Balancing intake, compression, and ignition ensures the engine operates efficiently and reliably.
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