Concept Engine, Cost and Downsizing

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Concept Engine

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Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

Green Car Congress

MAY 23, 2009

Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. However, this setup adds complexity and cost. [In

Downsizing

Downsizing Concept Engine Hybrid

ECONAMIQ: Flexible over-expansion with cylinder deactivation can reduce ICE fuel consumption by up to 20%

Green Car Congress

OCTOBER 29, 2019

By over-expanding into adjacent de-activated cylinders, ECONAMIQ creates an additional power stroke within the existing engine architecture, with a significant thermal efficiency increase and cost savings as a result. US20190153912A1 : Combustion engine. Top: P-V diagram schematic including the ECONAMIQ over-expansion method.

Fuel

Fuel San Jose 2019 Engine

EV Driven

Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

ECONAMIQ: Flexible over-expansion with cylinder deactivation can reduce ICE fuel consumption by up to 20%

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