Patent ID: 7061145
Filing Date: 2006-06-13
Classification: F04B,H02K

Abstract:
1. An apparatus for fixing a stator of a reciprocating compressor, comprising: a frame fixedly installed in a case; a cylinder penetratingly inserted and coupled to the frame; a piston inserted in the cylinder and having a suction passage for sucking a refrigerant therein; an outer stator contacting with and supported by the frame; an inner stator having a cylindrical shape and a plurality of lamination sheets forming ring grooves at both side surfaces thereof and inserted upon an outer circumference surface of the cylinder so as to form a certain interval from an inner diameter of the outer stator; at least one fixing ring having a ring shape inserted into the ring grooves; and the inner circumferential surface of the inner stator having at least one protrusion portion protruding formed around the center of the lamination sheets and pressed on an outer circumferenctial surface of the cylinder to form a free margin between the non-protruding portions of the inner stator and the outer circumferential surface of the cylinder adjacent the side surfaces of the inner stator.