| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a Rankine cycle apparatus capable of preventing reduction in output efficiency of mechanical energy, while enhancing sealability of an expansion chamber by making back pressure act on a movable scroll. <P>SOLUTION: In this Rankine cycle apparatus 60, an expansion part 40 has a fixed scroll 46 and the movable scroll 44, and has a back pressure chamber 51 on the back face 44c side of the movable scroll 44. The expansion part 40 has an introducing passage 54 for introducing a working fluid to the back pressure chamber 51 from a high pressure zone from the back pressure chamber 51 for generating the back pressure for pressing the movable scroll 44 to the fixed scroll 46 along the axial direction of a driving shaft 21. The high pressure zone becomes a storage part 53 being a zone up to the inlet side of a heat exchanger 62 from the delivery side of a gear pump 30. <P>COPYRIGHT: (C)2013,JPO&INPIT |
