Governors:

Governor is a device which controls the speed of engine automatically in the prescribed limits.

The Governor does its job in two steps:

• By measuring the speed and
• By controlling the amount of fuel supply to the engine.

Function of Governors:

• To adjust the rate of fuel supply in such a way as to keep the engine running at a steady speed regardless of the load.
• To control the engine running at a steady speed under all conditions of load.

Types of governors:

• Mechanical governor.
• Hydraulic governor.
• Inertia governor [fitted on older slow speed engine]
• Electronic governor.