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In engineering, the Miller cycle is a thermodynamic cycle used in a type of internal combustion engine. The Miller cycle was patented by Ralph Miller, an American engineer, U.S. patent 2,817,322 dated Dec 24, 1957. The engine may be two-or four-stroke and may be run on diesel fuel, gases, or dual fuel. [1]
Marketed as the Eunos 800 in Japan and Australia from 1993 through 1998, while the Miller Cycle-equipped version was known as the Eunos 800M. Yaw-sensitive four-wheel steering was available as an option in Japan; Mazda claimed that with this feature, the Millenia was capable of passing the elk test at speeds comparable to the BMW 850i and ...
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 ...
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.
The reduced compression ratio for these engines during Miller cycle operation (late intake valve closing) is akin to the reduced effective compression ratio when the throttle partly closed on IC engines. A Miller cycle engine is well suited to hybrid vehicles where the electric motors can provide short term increased power to compensate for the ...
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1939 – The BMW company's BMW 801 aviation radial engine pioneers the use of an early form of an engine control unit, the Kommandogerät. 1940s – Ralph Miller patents his Miller cycle engine. 1954 – Felix Wankel creates the first working Wankel engine. [20]
The mid-size Amati 500 was more ambitious, containing a supercharged miller cycle engine and Yaw controlled four-wheel steering. It went into production as the Eunos 800 at the Hofu plant later in 1992 and was released for sale in the Japanese and international markets in 1993.