A Study on Wear of Carbon Flat Commutator and Brush of DC Motor for Automotive Fuel Pump
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概要
- 論文の詳細を見る
In an automotive fuel pump system, a small DC motor is widely used to drive the pump. The authors have been reporting the wear of brush and carbon flat commutator in gasoline and ethanol so far. In this paper commutation period, arc duration, brush and other characteristics are examined in ethanol 50-gasoline 50%. Brush wears are very small compared with the previous results. Namely mechanical sliding wear is predominant rather than erosion by arc due to short arc duration. Further, an area eroded by arc is observed to come back to a sliding surface. From these results a wear model is proposed to explain this phenomenon.
- 社団法人電子情報通信学会の論文
- 2009-11-12
著者
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SAWA Koichiro
Keio University
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UENO Takahiro
Nippon Institute of Technology
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TANAKA Hidenori
Nippon Institute of Technology
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Ueno Takahiro
Nippon Inst. Technol. Saitama Jpn
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Sawa Koichiro
Nippon Institute of Technology
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Sawa Koichiro
Faculty of Engineering, Nippon Institute of Technology
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Ueno Takahiro
Electrical And Electronics Engineering Nippon Institute Of Technology
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Sawa Koichiro
Keio Univ. Yokohama‐shi Jpn
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Sawa Koichiro
Nippon Inst. Technol. Minami‐saitama Jpn
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Sawa Koichiro
Faculty Of Engineering Nippon Institute Of Technology
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