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双回转式压缩机具有涡旋式压缩机的高输气效率和滚动转子式压缩机结构简单、体小量轻、易于加工等优点,它实际上是一种扩展的摆动导杆机构.在双回转式压缩机中,曲轴回转中心与转缸回转中心的距离等于曲轴的偏心半径,活塞行程为偏心半径的4倍.计算分析表明,双回转式压缩机的活塞往复运动规律与活塞式压缩机的活塞运动规律相同.
Double rotary compressor scroll compressor with high gas efficiency and rolling rotor compressor structure is simple, small volume and light, easy to process, etc., which is actually an extended swing guide mechanism. In double rotary compressors, the distance between the center of rotation of the crankshaft and the center of rotation of the rotary cylinder is equal to the eccentric radius of the crankshaft, and the stroke of the piston is 4 times of the eccentric radius. The calculation and analysis show that the reciprocating motion of piston in double rotary compressor is the same as that of piston compressor.