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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2023-03-03 17:25 |
Saitama | NIT and Online (Primary: On-site, Secondary: Online) |
Effects of brush force of the commutator motor on brush wear and arc properties Takuma Hirabayashi, Shogo Suzuki, Shoma Matsuura, Koichiro Sawa, Takahiro Ueno (NIT)  EMD2022-35 |
In recent years, the automotive industry has seen an increase in the electrification of vehicles, and at the same time, ... [more] | EMD2022-35 pp.82-87 |
| EMD | 2022-03-04 13:25 |
Online | Online | Brush Wear by Arcing Discharge in Commutator Motors and the Effect of Arc-quenching device Musashi Uematsu, Toranosuke Oouchi, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2021-16 |
In order to realize excellent amenity and reliability, many small-sized DC motors are used in an automobile due to good ... [more] | EMD2021-16 pp.7-12 |
| EMD | 2021-03-08 13:25 |
Online | Online | Brush Wear and its Control by the Arc of Commutator Motor Taiga Wada, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-30 |
Many small-sized DC motors are used in an automobile due to good cost-performance and energy efficiency. They have been ... [more] | EMD2020-30 pp.6-11 |
| EMD | 2018-05-18 13:05 |
Hokkaido | Muroran Institute of Technology | A Wear Model of Commutator and Brush Taking Account of Arc Erosion for DC Moto Driving Automotive Fuel Pump Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno (NIT) EMD2018-1 |
A carbon flat commutator and carbon brush are widely used in a DC motor driving an automotive fuel pump. The authors hav... [more] | EMD2018-1 pp.1-6 |
| EMD | 2018-03-02 16:35 |
Saitama | Nippon Institute of Technology | Wear characteristics of various brush materials at high speed rotation of DC motor Fuya Machida, Shuya Yoshida, Koichiro Sawa, Takahiro Ueno (NIT) EMD2017-69 |
DC motors with brush and commutator are widely used in automobiles and other applications. Due to advances in technology... [more] | EMD2017-69 pp.53-56 |
| EMD | 2016-11-04 10:20 |
Hyogo | Awaji Yumebutai International Conference Center | Commutation Phenomena and Brush Wear of DC Motor at High Speed Rotation Masayuki Isato, Koichiro Sawa, Takahiro Ueno (NIT) EMD2016-60 |
Many DC commutator motors are widely used in automobiles. In recent years, as compact and high output DC motors have bee... [more] | EMD2016-60 pp.57-61 |
| EMD | 2012-11-30 14:30 |
Chiba | Chiba Institute of Technology | Arc Erosion of Carbon Contacts in Bio-fuels for Automobille Cheng Chan Wei, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.) EMD2012-70 |
In a DC motor, arcing occurs during commutation, which causes wear of commutator and brush . This is often one of practi... [more] | EMD2012-70 pp.37-41 |
| EMD | 2010-11-12 11:30 |
Overseas | Xi'an Jiaotong University | A Relation between Commutator Erosion and Commutation Arc for DC Motor Liu Liqing, Koichiro Sawa, Hidenori Tanaka, Takahiro Ueno (Nippon Inst. of Tech.) EMD2010-108 |
In an automotive fuel pump system, a small DC motor is widely used to drive the pump. Brush and commutator of DC motor d... [more] | EMD2010-108 pp.171-174 |
| EMD | 2009-11-20 09:20 |
Tokyo | Nippon Institute of Technology, Kanda Campus, Tokyo, Japan | A Study on Wear of Carbon Flat Commutator and Brush of DC Motor for Automotive Fuel Pump Koichiro Sawa (Keio Univ.), Takahiro Ueno, Hidenori Tanaka (Nippon Inst. of Tech.) EMD2009-89 |
In an automotive fuel pump system, a small DC motor is widely used to drive the pump. The authors have been reporting ... [more] |
EMD2009-89 pp.87-91 |
| EMD | 2007-10-19 11:20 |
Kanagawa | Keio Univ. Hiyoshi Campus | 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 |
A larger commutation spark occurred when the offset load existed on the rear end of the brush than when the offset load ... [more] | EMD2007-60 pp.25-30 |
| EMD | 2007-03-09 13:50 |
Chiba | CIT | A study on the inductance of commutation coils in a Universal Motor Shusuke Iwata, Koichiro Sawa (Keio Univ.) |
Universal Motors are mainly used to household machine tools or cleaners. They are small ‘DC machine’ driven by AC. As m... [more] | EMD2006-77 pp.13-16 |
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