Compressor unit, particularly for refrigerators

Claim 1

A compressor assembly, comprising, an electric motor having a stator and a rotor, housing means comprising inner and outer casing means with said inner casing means being attached to said stator, said inner casing means being resiliently mounted relative to said outer casing means and there being formed therebetween a first gas inlet chamber, shaft means for said rotor, bearing means fixed relative to said inner casing for journaling said shaft means, a compressor inside said inner casing having a cylinder block attached to said shaft means for rotation with said rotor, a second inlet gas chamber inside said inner casing in surrounding relation to said cylinder block, said cylinder block having a cylinder extending transversely relative to the axis of said shaft means, a piston in said cylinder, circular track means fixed relative to said inner casing and eccentrically disposed relative to the axis of said shaft means, guide means cooperable with said track means and said piston to cause reciprocation of said piston in synchronism with the rotation of said shaft means, intake and exhaust passage means in said cylinder block with said exhaust passage means having a terminal section coaxially aligned with the axis of said shaft means, said inner casing having end wall means, sealing means cooperable with said end wall means and said cylinder block, an antechamber wall attached to said inner casing wall means in surrounding relation to said sealing means and forming an antechamber between said first and second chambers, said antechamber having fluid communication with said exhaust passage terminal section, first and second exhaust port means in said outer casing means and said antechamber wall, and conduit means between said first and second exhaust port means.