Patent ID: 7232296
Filing Date: 2007-06-19
Classification: F01C,F04C,F05C

Abstract:
1. A scroll fluid machine comprising: a housing having a hole at one side; a drive shaft passing through the hole of the housing and having an eccentric shaft portion at one end in the housing; an orbiting scroll supported on the eccentric shaft portion to turn via a bearing in the housing and comprising an orbiting end plate having an orbiting wrap; a stationary scroll comprising a stationary end plate having a stationary wrap that forms a sealed chamber with the orbiting wrap; a self-rotation preventing mechanism for preventing the orbiting scroll from rotating on its own axis in the housing; a bearing unit that comprises a bearing tube one end of which puts in an inner circumferential surface of the hole of the housing to allow the bearing tube to be detachably secured to the housing, and a bearing which rotatably supports the drive shaft in the bearing tube; and a heat insulator disposed between the inner circumference of the hole of the housing and an outer circumference of the bearing tube.