| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bearing device and a scroll type fluid machine, restraining lowering of efficiency and durability due to dimensional error and assembling error of parts constituting a mechanism including a bearing device, and restraining lowering of efficiency and durability due to thermal expansion of the parts. <P>SOLUTION: In a crank pin 29 inhibiting rotation of a movable scroll member, a revolving shaft part 29b is supported on a second support hole 32a of the movable scroll member through a corrugated spring member 36. The corrugated spring member 36 resiliently supports the revolving shaft part 29b by a plurality of projecting parts 36b projected from a cylindrical spring-like base plate 36a toward the inner periphery. The corrugated spring member 36 has a flat part 36c provided instead of the projecting part 36b on the side where the second support hole 32a is displaced relatively to the revolving shaft part 29b with thermal expansion of the movable scroll member. This flat part 36c inhibits the spring force applied from the corrugated spring member 36 to the relatively displaced revolving shaft part 29b from being excessive. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
