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2. 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 ...

3. BAS hybrid - Wikipedia

   en.wikipedia.org/wiki/BAS_hybrid

   A 36-volt lead–acid battery (housed in the vehicle's trunk and operating in a 42-volt electrical system) is used to operate a permanent magnet motor/generator unit mounted to the engine in a similar fashion to a conventional alternator. Then, through a high-tension drive belt, the motor/generator unit is capable of starting or assisting the ...

4. Belt (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Belt_(mechanical)

   Belt replacement is an obvious solution, and eventually the mandatory one (because no belt lasts forever). Often, though, before the replacement option is executed, retensioning (via pulley centerline adjustment) or dressing (with any of various coatings) may be successful to extend the belt's lifespan and postpone replacement.

5. Alternator - Wikipedia

   en.wikipedia.org/wiki/Alternator

   Alternator mounted on an automobile engine with a serpentine belt pulley (belt not present.) Alternators are used in modern internal combustion engine automobiles to charge the battery and to power the electrical system when its engine is running. [citation needed] Until the 1960s, automobiles used DC dynamo generators with commutators.

6. Alternator (automotive) - Wikipedia

   en.wikipedia.org/wiki/Alternator_(automotive)

   Automotive alternators are usually belt-driven at 2–3 times crankshaft speed, speeds that could cause a commutator to fly apart in a generator. The alternator runs at various RPM (which varies the frequency) since it is driven by the engine. This is not a problem because the alternating current is rectified to direct current.

7. Timing belt (camshaft) - Wikipedia

   en.wikipedia.org/wiki/Timing_belt_(camshaft)

   Manufacturer-specification timing belts may stretch at high rpm, [citation needed] retarding the cam and therefore the ignition. [12] Stronger aftermarket belts will not stretch and the timing is preserved. [13] When designing the timing belt, a wider belt increases its strength however a narrower belt reduces weight and friction. [14]