Patent ID: 8998595
Filing Date: 2015-04-07
Classification: F04C

Abstract:
1. A scroll compressor comprising: a housing; a fixed scroll fixed inside the housing and forming a discharge chamber between the fixed scroll and the housing; a movable scroll supported inside the housing so as to orbit only around an orbit axis and forming compression chamber between the movable scroll and the fixed scroll, the movable scroll supported by a bush that is rotatable around the orbit axis via a radial bearing; a shaft support member fixed inside the housing and forming a back pressure chamber between the shaft support member and the movable scroll as well as a suction chamber between the shaft support member and the housing; the fixed scroll includes a fixed base plate and a fixed spiral wrap integral with the fixed base plate; the movable scroll includes a movable base plate facing to the fixed base plate and a movable spiral wrap integral with the movable base plate and meshing with the fixed spiral wrap; and the movable scroll is formed with a supply passage configured to communicate the compression chamber with the back pressure chamber by an elastic deformation or displacement in a direction of the orbit axis of the movable scroll, the supply passage including: