The present invention discloses a circulatory power system. Including the circulating power system: a plurality of power output structure (4), the power output structure (4) arranged cylindrical power output machine (2); the power output structure (4) comprises a sealing cavity (7), a piston (9) and a piston (9) power output one side of the rod (10); the cavity (7) is arranged in the working medium (8); the working fluid (8) in case of thermal expansion, push the piston (9) drives the power output rod (10) external work, then the refrigerant condensation, (8) (7) in the seal chamber pressure decreases the piston (9), and the power output rod (10) back to complete a work process. The circulation power system of the invention has the advantages of simple structure, low noise, little pollution, energy saving, emission reduction, safe and reliable and low cost.
【技术实现步骤摘要】
【技术保护点】
１．一种循环动力系统，其特征在于，所述循环动力系统包括：若干节动力输出结构（４），所述动力输出结构（４）依次排列，组成圆柱形动力输出机（２）；所述动力输出结构（４）包括密封腔体（７）、活塞（９）及设置于活塞（９）一侧的动力输出杆（１０）；所述密封腔体（７）内装有工质（８）；所述工质（８）遇热膨胀，推动活塞（９）带动动力输出杆（１０）对外做功，然后工质（８）冷凝，密封腔体（７）内气压减小，活塞（９）及动力输出杆（１０）回退；完成一个做功工序。
【技术特征摘要】
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