密閉型圧縮機の低騒音化、低振動化のための研究

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タイトル別名
  • Experimental Study for Reduction of Noises and Vibrations in Hermetic Type Compressor
  • 密閉型圧縮機の低騒音化,低振動化のための研究 第1報 各部材の共振による騒音
  • ミッペイガタ アッシュクキ ノ テイ ソウオンカ テイ シンドウカ ノ タメ
  • 第１報：各部材の共振による騒音
  • (1st Report : Reduction of Noises caused by Resonance of each Scroll Compressor Element)

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抄録

Silent operation of domestic-use air-conditioners is a strong requirement from users. Therefore, noise reduction in a hermetic-type compressor used for air-conditioners is quite significant as an element technology in air-conditioner field. The noise sources in the hermetic-type compressor can be categorized into the three types ; the first is a solid-.borne noise caused by resonance of each compressor construction material, which is excited by vibrations and transmitted to the hermetic shell ; the second is an air-borne noise caused by compressor inner cavity resonance of refrigerant gas, which comes outside through the hermetic shell ;the third is a solid-vibration noise caused by whole compressor vibration at low speed operation. This paper presents detailed analyzes for the noise and vibration causes in scroll-type compressor first, which will make possible a low noise and low vibration design of scroll-type compressor. Secondly, proposed varoius devices for further reduction of noise caused by resonance of each compressor element are presented with noise reduction data.

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