5軸能動制御形ベアリングレスキャンドモータポンプにおける高出力化のための新構造を備えた試作機による特性試験

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  • Experiments for a Prototype Machine with Proposed High Power Structure in a 5-axis Active Control Type Bearingless Canned Motor Pump
  • 5ジク ノウドウ セイギョケイ ベアリングレスキャンドモータポンプ ニ オケル コウシュツリョクカ ノ タメ ノ シン コウゾウ オ ソナエタ シサクキ ニ ヨル トクセイ シケン

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A bearingless motor is characterized by integration of an electrical motor and a magnetic bearing. Electromagnetic force generated by the magnetic bearing function can realize magnetic suspension of a rotor shaft without mechanical contacts. Principal authors have been proposing a non-contact canned motor pump using the bearingless motor. This pump has no expendable parts, such as shaft seals, mechanical bearings and lubricant. Therefore, it can realize next advantages; 1. clean liquid sending. 2. maintenance free 3. longer operating life. 4. high chemical resistance. The previous paper has proposed novel structure which can generate high output and high suspension force compared with conventional structure. A prototype bearingless canned motor pump with the proposed high power structure is produced, and characteristics of suspension force and torque is tested in the prototype machine. This paper introduces the experimental results of the prototype machine with the proposed high power structure in detail.

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