| 摘要 |
<p>PROBLEM TO BE SOLVED: To heighten the efficiency of a rotary hydraulic machine by minimizing leak of heat and pressure of a working fluid in the rotary hydraulic machine having at least a first energy converting means and a second energy converting means disposed inside and outside in the radial direction. SOLUTION: The first energy converting means formed by a cylinder member 30 and a piston 41 is disposed in the center of a rotary chamber 14, and a second energy converting means formed by a vane 42 is disposed on the outer peripheral side of the rotor chamber 14. A high pressure and high temperature working fluid leaking from the center side is recovered by the low pressure and low temperature working fluid on the outer peripheral side of the rotor chamber 14, and the leaked high pressure and high temperature working fluid is used without loss to height the efficiency of the whole rotary hydraulic machine. As the low pressure and low temperature working fluid is disposed on the outer peripheral side of the rotor chamber 14, sealing for preventing the working fluid from leaking from the rotor chamber 14 to the outside can be facilitated, and also heat insulation for preventing heat from leaking from the rotor chamber 14 to the outside can be facilitated.</p> |
