Patent ID: 6422833
Filing Date: 2002-07-23
Classification: F04B,Y10S

Abstract:
A hermetic reciprocating compressor comprising:a sealed casing having an upper shell and a lower shell; a motor portion located in the sealed casing, the motor portion including a stator, a rotor, and a crankshaft; a compression device portion coupled to the motor portion, the motor portion driving the compression device portion to compress and discharge a refrigerant; elastic support means for absorbing and damping vibrations produced during operation of the compressor, the elastic support means elastically supporting the compression device portion on the lower shell of the sealed casing; and a crankshaft stopper attached to the upper shell of the sealed casing, the crankshaft stopper restricting movement of the motor portion and the compression device portion during conveyance of the compressor, the crankshaft stopper having an integrally formed resonance reducer portion, so as to reduce resonance of the sealed casing that is produced by vibration of the compressor during operation and the crankshaft stopper further having a centrally located movement restricting hole formed therein to receive an upper end of the crankshaft, the resonance reducer portion being formed around the movement restricting hole, the resonance reducer portion further including a plurality of welding portions for connecting the crankshaft stopper to the upper shell of the sealed casing.