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Paper Abstract and Keywords
Presentation 2007-10-19 11:20
A Influence of Contact Load-Distribution between Brush and Commutator
Ryoichi Honbo (DENSO CORP.), Koichiro Sawa (Keio Univ.), Hiroyuki Wakabayashi, Youichi Murakami, Shinji Ueda, Kenzo Kiyose, Naoki Kato (DENSO CORP.) EMD2007-60
Abstract (in Japanese) (See Japanese page) 
(in English) A larger commutation spark occurred when the offset load existed on the rear end of the brush than when the offset load existed on the front end of the brush. The mechanism of the above phenomenon is as follows: Contact load distribution affects the distribution of contact resistance between the brush and commutator segments. The contact resistance of the brush rear end decreases when the offset load exists on the rear end of the brush. And electrical current flowing between the brush and the departing commutator segment become higher. Then, the insufficient commutation that causes a large spark was accelerated.
Keyword (in Japanese) (See Japanese page) 
(in English) Commutation / Arc / Contact resistance / Brush / Equivalent commutation circuit / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 272, EMD2007-60, pp. 25-30, Oct. 2007.
Paper # EMD2007-60 
Date of Issue 2007-10-12 (EMD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMD  
Conference Date 2007-10-19 - 2007-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. Hiyoshi Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Tribology, etc 
Paper Information
Registration To EMD 
Conference Code 2007-10-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Influence of Contact Load-Distribution between Brush and Commutator 
Sub Title (in English)  
Keyword(1) Commutation  
Keyword(2) Arc  
Keyword(3) Contact resistance  
Keyword(4) Brush  
Keyword(5) Equivalent commutation circuit  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryoichi Honbo  
1st Author's Affiliation DENSO CORPORATION (DENSO CORP.)
2nd Author's Name Koichiro Sawa  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Hiroyuki Wakabayashi  
3rd Author's Affiliation DENSO CORPORATION (DENSO CORP.)
4th Author's Name Youichi Murakami  
4th Author's Affiliation DENSO CORPORATION (DENSO CORP.)
5th Author's Name Shinji Ueda  
5th Author's Affiliation DENSO CORPORATION (DENSO CORP.)
6th Author's Name Kenzo Kiyose  
6th Author's Affiliation DENSO CORPORATION (DENSO CORP.)
7th Author's Name Naoki Kato  
7th Author's Affiliation DENSO CORPORATION (DENSO CORP.)
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Speaker Author-1 
Date Time 2007-10-19 11:20:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2007-60 
Volume (vol) vol.107 
Number (no) no.272 
Page pp.25-30 
#Pages 6 
Date of Issue 2007-10-12 (EMD) 

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