Patent ID: 7381039
Filing Date: 2008-06-03
Classification: F01C,F04C

Abstract:
1. A rotary compressor provided with a sealed container containing a driving element and a rotary compression element driven by a rotation shaft of the driving element, the rotary compressor comprising: a cylinder constituting the rotary compression element; a lower support member which closes an opening of the cylinder and which has a bearing portion of a rotation shaft; a discharge muffler chamber formed by depressing an outer surface of the bearing portion of the lower support member on the side opposite to the cylinder; a cover to close the depressed portion of the lower support member; an O-ring groove formed in the surface of the bearing portion which abuts on the cover; an O-ring stored in the O-ring groove; and a gasket disposed between the lower support member and the cover in an outer peripheral portion of the lower support member, the surface of the cover on the side of the lower support member being provided with a stepped portion to absorb a thickness of the gasket.