| 摘要 |
<p>PROBLEM TO BE SOLVED: To allow displacement of a crankpin in a radial direction due to thermal expansion of a swing scroll and to prevent occurrence of torsion in the swirl scroll.SOLUTION: A scroll compressor 1 comprises: a fixed scroll 20; a swing scroll 30 swinging to revolve about the fixed scroll 20 and combined with the fixed scroll 20 so as to form a compression space for compressing a fluid between the swing scroll 30 and the fixed scroll 20; and a pin-crank type auto-rotation prevention mechanism 40 for the swing scroll 30. The auto-rotation prevention mechanism 40 includes a bearing 42 held by a boss 38 integral with the swing scroll 30 and supporting a crankpin 43. The auto-rotation prevention mechanism 40 satisfiesδr>δθ, whereδr is an allowable displacement of the crankpin 43 in a radial direction of the swing scroll 30 andδθis an allowable displacement of the crankpin 43 in a circumferential direction of the swing scroll 30.</p> |
