Thanks to its unsurpassed power-to-weight ratio, its low package space and low-
maintenance design, the loop-scavenged two-stroke engine with conventional mixture …

Modern injection systems are characterized by low cost, light weight and diversified
components based on a mature technology. In addition, the constant growth of …

The development trends of advanced automobile engines towards high power-to-volume
and power-to-mass ratios are partially in contradiction with the requirements regarding …

The small two-stroke engine represents a strategic typology of propulsion system for
applications in which lightweight and high power density are required. However, the …

As more stringent emission limits and low consumption requirements also involve si 2-stroke
engines, one of the most important design modifications that can cope with these constraints …

The first part of the paper gives an overview of the results obtained with European GDI-
powered vehicles launched on the market. Thereafter, a discussion of in-vehicle limitations …

The potential of direct injection in spark-ignition engines regarding the significant reduction
of fuel consumption and pollutant emission as well as advantages in the field of torque …

Preliminary bench tests have been carried out on an original-design 2-stroke single-cylinder
prototype engine, which is equipped with an electronically controlled gasoline direct …

The first part of the paper gives an overview of the environmental conditions with which a
future two stroke powered vehicle must comply and explains the reasons for which a direct …

The paper presents a GDI concept applied to a four-stroke four-valve single cylinder engine
in base of the original “crevice-like” combustion chamber of the basic engine with external …