陈泽忠，刘长振，郝勇刚

（中国北方发动机研究所，天津 300400）

摘要：水平双对置动力单元具有高功率密度和高功重比的潜力，本文通过国内外水平双对置动力单元技术对比与产品发展趋势分析，梳理了制约双对置特种动力发展的关键技术，探讨了解决关键技术的途径，提出了设计研发能力与技术成熟度提升的思路和方法，明确了水平双对置动力单元在军民通用动力领域的发展定位。

关键词：动力装置；对置活塞；对置气缸；水平双对置动力单元；机械涡轮复合增压；多错拐曲轴

Abstract：Horizontal double-opposed power unit is of high power density’s potential, which is composed of two kinds of engine including opposed piston engine and opposed cylinder engine. The pivotal technique has been summarized through the analysis on the product development trend. The idea and the method to improve design ability and maturation grade are mentioned. The development orientation of horizontal double-opposed power unit is confirmed.

Key Words：Power Equipment；Opposed Piston；Opposed Cylinder；Horizontal Double-Opposed Power Unit；Super and Turbo Charger；Split-Pins Crankshaft.