Analyze and Study on Present Situation of Variable Compression Ratio Engine
Abstract：The variable compression ratio （ VCR ） is an important part of the energy saving and emission reduction in automobile, and it is one of the most important technology to improve the dy- namic performance, economic performance and emission performance of automobile. This paper ana- lyzes the necessity of the application of variable compression ratio in automobile. And it introduces the meaning of variable compression ratio , the status of domestic and international research , and ex- isting problems. This paper systematically summarizes the implementation of the program of the vari- able compression ratio and puts forward relevant proposals.
Keywords：EngineVariable Compression Ratio (VCR)Energy Saving and Emission Reduction
Publication Date：2012-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：4( 51-54 )