2004, Concept, Downsizing and Exhaust

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2004

Concept

Downsizing

Exhaust

Achates Power opposed-piston diesel for TARDEC will demonstrate multi-cylinder configuration

Green Car Congress

FEBRUARY 4, 2013

Since the pistons cyclically expose or occlude the exhaust and intake ports, there is no valve train. Because the intake and exhaust ports are at the opposite ends of the cylinder, opposed-piston engines have efficient, uniflow scavenging. Scavenging continues until a 230° crank angle, at which time the exhaust ports close.

Diesel

Diesel Power Powered Exhaust

SwRI simulations indicate Scuderi split-cycle engine consumes 25% less fuel than comparable conventional engine in Cavalier; 36% reduction with hybrid configuration

Green Car Congress

JANUARY 17, 2011

two split pairs) operating in a 2004 Chevrolet Cavalier would consume 25% less fuel under the FTP (Federal Test Procedure) than the comparable standard gasoline engine, while matching power and torque. With turbocharging, we can have some huge gains, we can downsize the engine and produce very big power. —Sal Scuderi.

Engine

Engine Fuel Hybrid Downsizing

EV Driven

Achates Power opposed-piston diesel for TARDEC will demonstrate multi-cylinder configuration

SwRI simulations indicate Scuderi split-cycle engine consumes 25% less fuel than comparable conventional engine in Cavalier; 36% reduction with hybrid configuration

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