Patent ID: 9611888
Date: 2017-04-04
CPC Classifications: F04B,F16C

Claim:
1. A refrigeration reciprocating compressor comprising: a crankcase including a cylinder and a bearing hub defining a radial bearing; a crankshaft mounted in the radial bearing and having an eccentric end portion and a free end portion which project outwards from a first end portion and a second end portion, respectively, of the bearing hub; a piston housed in the cylinder; a connecting rod coupling the eccentric end portion of the crankshaft to the piston, said refrigeration reciprocating compressor being characterized in that the first end portion and second end portion of the bearing hub are each defined by a respective bushing extension affixed in the interior of the bearing hub and each bushing extension having an end portion, which projects axially outwards from the bearing hub, so as to be elastically and radially deformed outwardly when pressed by a confronting portion of the crankshaft, which presents a coaxiality deviation of its axis in relation to the axis of the radial bearing.