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2. Underdrive pulleys - Wikipedia

   en.wikipedia.org/wiki/Underdrive_pulleys

   Additionally, an underdrive pulley will not reduce the power consumed by the alternator, as the alternator's load is automatically adjusted by its control circuit to match the electrical load regardless of input speed. Changing the original crankshaft pulley can also have negative effects if the replacement pulley is not manufactured properly.

3. Serpentine belt - Wikipedia

   en.wikipedia.org/wiki/Serpentine_belt

   Serpentine belt (foreground) and dual vee belt (background) on a bus engine Belt tensioner providing pressure against the back of a serpentine belt in an automobile engine. A serpentine belt (or drive belt [1]) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air ...

4. Harmonic damper - Wikipedia

   en.wikipedia.org/wiki/Harmonic_damper

   Harmonic balancer lower pulley on a four-cylinder engine. A harmonic damper is a device fitted to the free (accessory drive) end of the crankshaft of an internal combustion engine to counter torsional and resonance vibrations from the crankshaft. This device must be an interference fit to the crankshaft in order to operate in an effective ...

5. Stationary engine - Wikipedia

   en.wikipedia.org/wiki/Stationary_engine

   Most engines of the late-19th and early-20th centuries ran at speeds too low to drive a dynamo or alternator directly. As with other equipment, the generator was driven off the engine's flywheel by a broad flat belt. The pulley on the generator was much smaller than the flywheel, providing the required 'gearing up' effect.

6. Actuator - Wikipedia

   en.wikipedia.org/wiki/Actuator

   August 2023) (Learn how and when to remove this message) An actuator is a component of a machine that produces force , torque , or displacement , when an electrical , pneumatic or hydraulic input is supplied to it in a system (called an actuating system ).

7. Yanmar 2GM20 - Wikipedia

   en.wikipedia.org/wiki/Yanmar_2GM20

   The center pulley is the crankshaft, the lower left one the seawater pump, the upper right one the alternator. The Yanmar 2GM20 is a series of inboard marine diesel engines manufactured by the Japanese company Yanmar Co. Ltd. It is used in a wide range of sailboats and motorboats.