Abstract

This newly developed engine is based on a downsized 1.6 L 88 kW (55 kW/L) engine, with dynamic performance aimed to replace the previous 2.2 L 110 kW (50 kW/L) diesel engine. The new engine uses a 2-stage turbocharger to achieve high power while maintaining the maximum commonality with the structure of the 1.6 L 88 kW diesel engine. The bearing cap, head gasket and other parts have been specially designed to reinforce the engine structure, realizing high-specific power of 118 kW (74 kW/L). In addition, a newly developed NOx storage catalyst is used, complying with the European EURO 6 emission standards. Technologies for enhancing fuel economy include further reduction of mechanical friction and enhancement of combustion efficiency by combustion calibration. These technologies were applied to develop a EURO 6-compliant power unit that provides high power with low fuel consumption, and this power plant was mounted in the 2015 CR-V for Europe.

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Author (organization or company)

• Junichi HATANO（Automobile R&D Center）
• Ken NISHIMORI（Automobile R&D Center）
• Hiroyuki FUKUSHIMA（Automobile R&D Center）
• Taro TABUCHI（Automobile R&D Center）
• Naoto KITAYAMA（Automobile R&D Center）
• Yoshinori ISHIHARA（Automobile R&D Center）

Publication Information

Article of Honda R&D Technical Review Vol.27 No.2 (21 - 29)

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