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2. Timing belt (camshaft) - Wikipedia

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

   Timing belt (camshaft) In a piston engine, either a timing belt (also called a cambelt) or timing chain or set of timing gears is a perishable component used to synchronize the rotation of the crankshaft and the camshaft. This synchronisation ensures that the engine's valves open and close at the correct times in relation to the position of the ...

3. Toothed belt - Wikipedia

   en.wikipedia.org/wiki/Toothed_belt

   Toothed belt. A toothed belt, timing belt, cogged belt, cog belt, or synchronous belt is a flexible belt with teeth moulded onto its inner surface. Toothed belts are usually designed to run over matching toothed pulleys or sprockets. Toothed belts are used in a wide array of mechanical devices where high power transmission is desired.

4. Camshaft - Wikipedia

   en.wikipedia.org/wiki/Camshaft

   A camshaft is a shaft that contains a row of pointed cams in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to operate the intake and exhaust valves), [1] [2] mechanically controlled ignition systems and early electric motor speed controllers . Camshafts in piston engines are usually made from ...

5. Belt (mechanical) - Wikipedia

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

   Belt (mechanical) A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel.

6. Overhead camshaft engine - Wikipedia

   en.wikipedia.org/wiki/Overhead_camshaft_engine

   Many 21st century engines use a toothed timing belt made from rubber and kevlar to drive the camshaft. [1] [10] Timing belts are inexpensive, produce minimal noise and have no need for lubrication. [11] : 93 A disadvantage of timing belts is the need for regular replacement of the belt; [11] : 94 recommended belt life typically varies between ...

7. Interference engine - Wikipedia

   en.wikipedia.org/wiki/Interference_engine

   An interference engine is a type of 4-stroke internal combustion piston engine in which one or more valves in the fully open position extends into any area through which the piston may travel. By contrast, in a non-interference engine, the piston does not travel into any area into which the valves open. Interference engines rely on timing gears ...