| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a scroll fluid machine capable of suppressing drop of the durability and/or lifetime of bearings, and a seizure and wear of a pin and a hole, and reducing vibrations and grease bouncing-out. <P>SOLUTION: The scroll fluid machine is equipped with a rotary shaft 5 installed in a casing 1 via a rotary bearing 9, a revolving shaft 4 mounted in the rotary shaft 5 via a revolving bearing 8, a stationary scroll 2 fixed to the casing 1, and a swirling scroll 3 installed at one end of the revolving shaft 4 in such a manner as facing the stationary scroll 2, and further furnished with a rotation preventive mechanism which is to hinder the revolving shaft 4 from making rotation around its own axis and includes a base 10 provided at the other end of the revolving shaft 4 on the side opposite to the swirling scroll 3, a spinning pin 11 installed on the surface of the base 10 on the side opposite to the swirling scroll 3, and a stationary plate 12 where a guide bearing 13 to admit insertion of the spinning pin 11 is installed and which is secured to the casing 1 while facing the base 10. <P>COPYRIGHT: (C)2010,JPO&INPIT |
