1985-09-01

A New Type of Miller Supercharging System for High Speed Engines-Part 2 - Realization of High BMEP Diesel Engines 851523

The Miller system proposed by Frank Miller was practiced in a high speed diesel engine by the combination of an additional rotary valve at the intake manifold and two stage turbo-chargers. The experimental result showed bmep boost at lower engine speed range and improvement in several performance characteristics, some of which might not be predicted in the original concept. Also the advantages and disadvantages of the rotary valve arrangement as a mean to practice intake air variable closing timing were studied. Taking all into consideration, it is concluded that this system is fairly effective and practical in realizing high bmep diesel engines.

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