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  2. List of Allis-Chalmers engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Allis-Chalmers_engines

    Allis-Chalmers purchased the Buda Engine Co. in 1953 and took over their well-established line of products. Since Buda was merged entirely into A-C as part of their new Engine Division, its operations became known simply as the "Harvey plant" and all of its production after 1953 was under the Allis-Chalmers name.

  3. Two-stroke power valve system - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_power_valve_system

    A stroke is the action of a piston travelling the full length of its cylinder.In a two-stroke engine, one of the two strokes combines primarily the intake stroke and the combustion stroke, while the other stroke primarily combines the compression stroke and the exhaust stroke, though technically since both ports are exposed during both the combustion and compression strokes, some reversion ...

  4. Two- and four-stroke engines - Wikipedia

    en.wikipedia.org/wiki/Two-_and_four-stroke_engines

    The M4+2 engine, also known as the double-piston internal combustion engine, is a type of internal combustion engine invented by Polish patent holder Piotr Mężyk. [1] The M4+2 engine took its name from a combination of two-stroke engines and four-stroke engines. The two-stroke combustion engine is characterized by a simple construction and ...

  5. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    The rating of a brushless motor is the ratio of the motor's unloaded rotational speed (measured in RPM) to the peak (not RMS) voltage on the wires connected to the coils (the back EMF). For example, an unloaded motor of K v {\displaystyle K_{\text{v}}} = 5,700 rpm/V supplied with 11.1 V will run at a nominal speed of 63,270 rpm (= 5,700 rpm/V ...

  6. Stratified charge engine - Wikipedia

    en.wikipedia.org/wiki/Stratified_charge_engine

    Conventionally, a four-stroke (petrol or gasoline) Otto cycle engine is fueled by drawing a mixture of air and fuel into the combustion chamber during the intake stroke. This produces a homogeneous charge: a homogeneous mixture of air and fuel, which is ignited by a spark plug at a predetermined moment near the top of the compression stroke.

  7. Inertial supercharging effect - Wikipedia

    en.wikipedia.org/wiki/Inertial_supercharging_effect

    Inertial supercharging effect is the result of incoming fuel/air charge developing momentum greater than intake stroke would generate alone. It is achieved by the careful design of the shape of the piston head, the valves and cam profile/valve timing which creates a vacuum that pulls more exhaust gases (and some of the intake gasses) out of the engine.

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  9. Six-stroke engine - Wikipedia

    en.wikipedia.org/wiki/Six-stroke_engine

    1339176 Internal combustion engine May 4, 1920. Leonard H. Dyer invented the first 6-stroke internal combustion/water-injection engine in 1915. 2209706 Internal Combustion Engine Jul 30, 1940; 3921608 Two-stroke internal combustion engine Nov 25, 1975; 3964263 Six cycle combustion and fluid vaporization engine Jun 22, 1976