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The overview given above may describe a modern version of the Miller cycle, but it differs in some respects from the 1957 patent. The patent describes "a new and improved method of operating a supercharged intercooled engine". The engine may be two-cycle or four-cycle and the fuel may be diesel, dual fuel, or gas.
The Millenia was available in three models: the base model, the mid-level millenia L with standard leather upholstery, power moonroof and remote keyless entry, and the top-of-the-line millenia S model which featured traction control, heated front seats, heavy duty wipers and the supercharged 2.3-liter V6 Miller cycle engine.
The 2.3 L (2,255 cc) 80.3 mm × 74.2 mm (3.16 in × 2.92 in) bore and stroke, KJ-ZEM was one of Mazda's most technologically advanced engines. It employs the "Miller cycle" which uses a supercharger to increase compression efficiency by decreasing the compression losses (i.e., flywheel energy used to compress the intake charge in the cylinder ...
Miller applied this technique to the four-stroke engine, so it is sometimes referred as the Atkinson/Miller cycle, US patent 2817322 dated Dec 24, 1957. [2] In 1888, Charon filed a French patent and displayed an engine at the Paris Exhibition in 1889. The Charon gas engine (four-stroke) used a similar cycle to Miller, but without a supercharger.
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 conventional Otto cycle (higher power density, more low-RPM torque, lower fuel efficiency) is often modified to an Atkinson cycle or Miller cycle (lower power density, less low-rpm torque, higher fuel efficiency; sometimes called an Atkinson-Miller cycle). The smaller engine, using a more efficient cycle and often operating in the favorable ...
Also in 1878, Scottish engineer Dugald Clerk designed the first supercharger which was used with an engine. [16] This supercharger was used with a two-stroke gas engine. [17] Gottlieb Daimler received a German patent for supercharging an internal combustion engine in 1885. [18] Louis Renault patented a centrifugal supercharger in France in 1902 ...
V6 engine: KJ-ZEM DOHC Miller cycle Supercharged: Mazda Millenia: Nissan: 3.0 L: V6 engine: VQ30DE DOHC Saab: 2.3 L: Inline-four engine: LPT B234 DOHC Turbocharged: Saab 9000: Volkswagen: 2.8 L: VR6 engine: VR6 12v DOHC: 20th Century [30] General Motors: V8 engine: Chevrolet small-block engine (first generation) General Motors: 3.8 L: V6 engine ...