Patent ID: 7244108

Claim:
A hermetic compressor comprising: a hermetic vessel; a compression element placed in the hermetic vessel; a cylinder block including a cylinder that forms the compression element; a valve plate including an intake valve port, the valve plate being disposed on the cylinder at an opening end of the cylinder; a cylinder head secured to the valve plate opposite to the cylinder; an intake muffler having an outlet positioned in the cylinder head, and further having a discharge orifice located at a distal end of the outlet and opened to the intake valve port; a concave chamber provided in the cylinder head; a resonance space formed by the concave chamber, an external wall of said outlet of said intake muffler and the valve plate which covers said concave chamber; and an elongated communicating section for establishing communication between the outlet of said intake muffler and the resonance space, the combination of said resonance space and said elongated communicating section forming a resonance type silencer.