| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a turbine capable of improving its performance and allowing a compact design of a cabin of a vehicle. <P>SOLUTION: A turbine includes blades 50, and a structure arranged at a pointed head side via a gap and being relatively rotatable to the blades 50. Further, the turbine includes a plurality of seal fins 15, 55 arranged on pointed head sections of the blades 50 and the structure by alternately extending to a counterpart side in a rotary shaft direction of the structure and partitioning a fine gap H between the counterpart side and the seal fin, and recessed sections 17, 57 for expansion formed by being hollow in a radial direction of a rotary shaft on the pointed head section of the blade 50 or the structure wherein the fine gap H is partitioned together with the seal fins 15, 55 at a downstream side of the rotary shaft direction between the adjacent seal fins 15, 55. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
