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  2. Valve job - Wikipedia

    en.wikipedia.org/wiki/Valve_job

    A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and exhaust of the air/fuel mixture in four stroke internal combustion engine, replacing valve oil seals, replacing any deficient valve springs, and otherwise bringing the components of a cylinder head up to manufacturer’s spec. [1] A ...

  3. Engine configuration - Wikipedia

    en.wikipedia.org/wiki/Engine_configuration

    The angle between cylinder banks is called the 'bank angle'. Engines with multiple banks are shorter than straight engines of the same size, and will often have better engine balance characteristics, resulting in reduced engine vibration and potentially higher maximum engine speeds.

  4. Engine tuning - Wikipedia

    en.wikipedia.org/wiki/Engine_tuning

    A "top overhaul" is composed of the replacement of components inside the cylinder head without removing the engine from the vehicle, such as valve and rocker arm replacement. It may include a "valve job". A "major overhaul" is composed of the whole engine assembly, which requires the engine to be removed from the vehicle and transferred to an ...

  5. Cam (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Cam_(mechanism)

    The cam can be seen as a device that converts rotational motion to reciprocating (or sometimes oscillating) motion. [clarification needed] [3] A common example is the camshaft of an automobile, which takes the rotary motion of the engine and converts it into the reciprocating motion necessary to operate the intake and exhaust valves of the cylinders.

  6. Hanns Hörbiger - Wikipedia

    en.wikipedia.org/wiki/Hanns_Hörbiger

    Johannes "Hanns" Evangelist Hörbiger (29 November 1860, in Atzgersdorf – 11 October 1931, in Mauer) was an Austrian engineer from Vienna with roots in Tyrol.He took part in the construction of the Budapest subway and in 1894 invented a new type of valve essential for compressors still in widespread use today.

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  8. Centrifugal governor - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_governor

    The balls swing out as speed increases, which closes the valve, until a balance is achieved between demand and the proportional gain of the linkage and valve. A centrifugal governor is a specific type of governor with a feedback system that controls the speed of an engine by regulating the flow of fuel or working fluid , so as to maintain a ...

  9. Piston valve (steam engine) - Wikipedia

    en.wikipedia.org/wiki/Piston_valve_(steam_engine)

    Calculate the angle whose cosine is twice the (lap plus lead), divided by the valve travel; Add the two angles and take the cosine of their sum; subtract 1 from that cosine and multiply the result by -50. As built the Pennsylvania's I1s 2-10-0 had lap 2 inches, lead 1/4 inch and valve travel 6 inches in full gear. In full gear the two angles ...