Patent ID: 7722339
Filing Date: 2010-05-25
Classification: F04C,Y10T

Abstract:
1. A compressor, comprising: a container having a cylindrical container wall; and a built-in part housed within said container and having a predetermined clearance between an inner peripheral face of said container wall and said built-in part; wherein the built-in part comprises: pairs of prepared circular receiving portions at plural points in a circumferential direction on an outer peripheral face of said built-in part; and a clamping part between each of said pairs of prepared receiving portions; a distance (P), which is a half of a distance (L) between centers of a pair of prepared receiving portions, is less than twice an inner diameter (D the cylindrical container wall has pairs of convex portions, each of which is formed by pushing a pair of portions on the container wall corresponding to each pair of the prepared receiving portions into the pair of prepared receiving portions under the condition that a region of the container wall including the portions corresponding to positions of the pair of prepared receiving portions is heated, and a length of each of said convex portions entering said prepared receiving portions is equal to or less than 0.5 times a thickness of said container wall or is substantially 1 mm; a fixing section constituted by said convex portions clamping the clamping part between said pair of prepared receiving portions when said region cools down; and said pairs of prepared receiving portions are arranged on an outer surface of a cylinder that covers a compressing chamber, at equal pitches, and one of said pairs of prepared receiving portion is within ±25° from a center line of a vane groove of the cylinder.