Patent ID: 7604466

Claim:
A compressor assembly, comprising: a compressor housing having an interior surface defining an interior housing volume; a motor disposed within said housing volume, said motor having a rotatable shaft; a compressor mechanism drivingly connected to said shaft, said compressor mechanism disposed within said housing volume and including a cylinder block having a peripheral surface adjacent the housing interior surface and a main bearing together with the cylinder block forming a compression chamber, said bearing rotatably supporting said shaft, said cylinder block peripheral surface not being directly fixed to the housing interior surface; a muffler disposed within said housing volume, said muffler including a housing portion having a peripheral edge abutting the interior surface of said compressor housing in an interference fit relationship, said muffler being supported by said compressor housing, said compressor mechanism main bearing attached to said muffler and supported by said muffler within said compressor housing, said muffler housing portion facing and forming with said main bearing portion a first muffler chamber configured to dissipate acoustic waves, at least one opening in said muffler housing portion fluidly connecting said first chamber with said housing volume; and a discharge port in said main bearing extending from said compression chamber and opening into said first muffler chamber; wherein said muffler and said interior surface of said compressor housing define a second chamber and a third chamber, said first chamber and said second chamber in fluid communication through at least one discharge passage, said first chamber, said second chamber and said at least one discharge passage configured to dissipate acoustic waves produced by said compressor mechanism.