Patent ID: 6588319
Filing Date: 2003-07-08
Classification: F04B

Abstract:
A connecting rod-piston mounting arrangement for a reciprocating compressor of small refrigeration systems,characterized in that one of the parts defined by the piston (10) and the end (22) of the connecting rod (20) adjacent the said piston (10) carries a first spherical seat (11), which is turned to the other part, and a spherical annular seat (12), which is axially spaced, concentric and turned to the opposite direction in relation to the first spherical seat (11); the other of said parts incorporating a second spherical seat (23) turned to the first spherical seat (11) and a spherical annular surface (24) seated against the spherical annular seat (12), the second spherical seat (23) and the spherical annular surface (24) being concentric to the axis of the respective part to which they are incorporated, said first and second spherical seats (11,23) being seated onto respective opposite spherical surface portions (31,32) of a ball joint element (30) provided between the piston (10) and the connecting rod (20), the part incorporating the second spherical seat (23) being radially projected through the spherical annular seat (12) said spherical annular seat (12) being defined by the seating of a front edge portion of a tubular wall (16) of the respective part around the spherical annular surface (24).