Patent ID: 6942474
Filing Date: 2005-09-13
Classification: F04C

Abstract:
1. A scroll fluid machine comprising: a driving shaft; a first scroll engagement actuating portion comprising a first orbiting scroll and a first fixed scroll, and the first orbiting scroll being connected to the driving shaft and engaged with the first fixed scroll; a second scroll engagement actuating portion comprising a second orbiting scroll and a second fixed scroll engaged with the second orbiting scroll, and said first orbiting scroll being connected to said second orbiting scroll to revolve together when the first orbiting scroll is driven by the driving shaft; and the pin-crank-type self-rotation-preventing mechanism comprising a double-crank shaft inserted in a partition wall and provided with a bearing, and the pin-crank-type self-rotation-preventing mechanism having a first pin connected to the first orbiting scroll and a second pin connected to the second orbiting scroll.