流体机械

2007, No.416(02) 13-17

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内啮合转子压缩机基本几何理论研究
Essential Geometric Theory of Internal-meshing Rotary Compressor

冯诗愚;高秀峰;李云;王赞社;顾兆林;
FENG Shi-yu,GAO Xiu-feng,LI Yun,WANG Zan-she,GU zhao-lin(Xi′an Jiaotong University,Xi′an 710049,China)

摘要(Abstract):

提出了一种适合高压差CO2制冷压缩机使用的内啮合转子机构,以短幅外摆线的外等距线为内转子,多段圆弧型线为外转子,建立了转子的型线方程;讨论了内外转子的基本啮合关系、瞬心的位置以及外转子齿顶圆的啮合范围等。这些基本几何关系的分析可为这种结构压缩机的使用打下一定的理论基础。
A type of internal-meshing rotary mechanism which could endure high pressure difference and be applied in CO2 refrigerating compressor is proposed.The profiles' equations are derived from the inside short frame outer cycloid and multi-segment arc.The essential meshing relationship,position of instantaneous center and the meshing range of the tooth head arc are discussed.Those basic geometric relationships could be the foundation for the application of the compressor.

关键词(KeyWords): 制冷;转子压缩机;转子;型线;共扼
refrigeration;rotary compressor;rotor;profile;conjugate

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基金项目(Foundation): 国家自然科学基金项目(50306017)

作者(Author): 冯诗愚;高秀峰;李云;王赞社;顾兆林;
FENG Shi-yu,GAO Xiu-feng,LI Yun,WANG Zan-she,GU zhao-lin(Xi′an Jiaotong University,Xi′an 710049,China)

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