High-efficiency hybrid cycle

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The high-efficiency hybrid cycle (HEHC) is a new 4-stroke thermodynamic cycle combining elements of the Otto cycle, Diesel cycle, Atkinson cycle and Rankine cycle.[1]

HEHC engines[edit]

The 3rd generation design of the LiquidPiston Engine currently in development is the only engine currently designed around the HEHC. It is a rotary combustion engine.[2]


  1. ^ Nikolay Shkolnik; Alexander C. Shkolnik (September 2005). "High Efficiency Hybrid Cycle Engine" (PDF). Retrieved 2008-05-18. 
  2. ^ How It Works

External links[edit]