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In the Miller cycle, the intake valve is left open longer than it would be in an Otto-cycle engine. In effect, the compression stroke is two discrete cycles: the initial portion when the intake valve is open and final portion when the intake valve is closed. This two-stage compression stroke creates the so-called "fifth" stroke that the Miller ...
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.
Ralph Miller employed the miller cycle to obtain more power from engines, that were already supercharged, without increasing combustion pressures beyond safe limits. The Mazda KJ Miller Cycle V6 engine uses a supercharger, the Subaru B5-TPH uses a turbo charger while the Miller-cycle engine in the Mazda Demio is naturally aspirated.
The Wade supercharger was a Roots-type supercharger designed for internal combustion engines and produced from 1947 by the newly formed Wade Engineering Ltd, of Gatwick Airport, Horley, Surrey. The name 'WADE' comes from W inslett A nd DE nsham, after Bryan Winslett and Costin Densham.
Distancing the supercharger from the engine via a mounting bracket greatly reduces heat transfer from the engine to the supercharger during operation. By comparison, a twin screw or roots blower which is nested in the center (valley) of the engine, will absorb heat (heat soak) during operation due to thermal transfer from the engine block and ...
The Toyota Dynamic Force engine is a family of internal combustion engines developed by Toyota under its Toyota New Global Architecture (TNGA) strategy. These I3 , I4 and V6 engines can be operated with petrol (gasoline) or ethanol ( flex-fuel ) and can be combined with electric motors in a hybrid drivetrain.
The "Offy" engine was derived from this Miller marine engine An Offenhauser sprint "midget" racer. The Offenhauser engine, familiarly known as the "Offy", was an overhead cam monoblock 4-stroke internal combustion engine developed by Fred Offenhauser and Harry Arminius Miller. [4] Originally, it was sold as a marine engine.
A more successful application was in the RF series diesel engine found in the 1988 Mazda 626 Capella; ultimately 150,000 Mazda diesel cars were fitted with a Comprex supercharger. Other users included Peugeot, Opel and Mercedes-Benz. The Greenpeace SmILE concept car uses a Hyprex pressure wave supercharger developed by the Swiss company Wenko ...