Energy storage by utilizing compression nature of gas

摘要

The accumulator that stores kinetic energy by compressing gas has been used in many hybrid buses to improve energy consumpition. In the present system proposed by MMC, a piston type accumulator hybrid system is developed to decrease the losses during energy conversion process combined with a DI diesel engine. As a result, 24% NO{sub}x and 67% PM reductions can be achieved in the Japanese D-13 Mode test with 20-25% improvement of fuel consumption.