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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 26  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMD 2024-03-01
15:55
Chiba   Study on wear of carbon brush at high current density
Yuta Momiyama, Atsushi Gokita, Shota Kanazawa, Koichiro Sawa, Takahiro Ueno (NIT) EMD2023-46
 [more] EMD2023-46
pp.42-45
EMD 2023-06-30
13:50
Hokkaido Chitose Arcadia Plaza Wear Characteristics of Carbon Brush under High Current Density
Shota Kanazawa, Takahiro Ueno, Koichiro Sawa (NIT) EMD2023-3
As global warming becomes an important issue in the world, it is one of demands for energy saving to increase the single... [more] EMD2023-3
pp.13-16
EMD 2023-03-03
17:10
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Effect of Lubricants on Electrical Characteristics of Sliding Contacts in Gold-plated Slip-ring System
Naoya Chiba, Takuma Matsuzaki, Koichiro Sawa, Takahiro Ueno (NIT) EMD2022-34
An electric sliding contact mechanism is a means of transmitting power and signals between stationary and moving objects... [more] EMD2022-34
pp.76-81
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
13:05
Online Online Research on Degradation Process by Sliding Contact Energization of Gold-plated Slip-ring
Toshinari Saito, Tatsuya Kobayashi, Koichiro Sawa, Takahiro Ueno (NIT) EMD2021-15
An electric sliding contact mechanism is a means of transmitting power and signals between stationary and moving objects... [more] EMD2021-15
pp.1-6
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 2020-12-04
15:00
Online Online Sliding Current Characteristics brought about by Changes in the Silver Content of Silver Graphite Brushes.
Naoki Fukuda, Ryosuke Kudo, Yuki Saito, Yuki Kawashima, Yusuke Takada, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-22
Sliding contact is a mechanism for the transfer of electrical current between stationary and moving parts. To date, slip... [more] EMD2020-22
pp.24-29
EMD 2020-03-06
13:20
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Study on brush wear and wear of high speed rotating commutator motor
Syougo Aoki, Hayate Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2019-60
Small DC motors with brushes are widely used especially in automobiles, and requested for smaller size and higher output... [more] EMD2019-60
pp.5-8
EMD 2019-03-01
16:00
Tokyo   Arc Erosion of Brush at Sliding Contacts between Cu commutator and Carbon Brush
Youdai Suzuki, Kaito Niiya, Kouichiro Sawa, Takahiro Ueno (NIT) EMD2018-73
Compact DC motors are used for driving fuel pumps used in automobiles due to their superior cost advantages. From the re... [more] EMD2018-73
pp.75-80
EMD 2018-10-05
15:35
Tokyo Fuji Electric (TOKYO: Osaki East Tower 23F) Relationship Between Brush Surface Roughness and Brush Wear Associated With Change in Silver Content of Silver Graphite Brush
Naoki Fukuda, Yusuke Takada, Ryuta Higa, Koichiro Sawa, Takahiro Ueno (NIT) EMD2018-40
Brush enables the transfer of electrical current between stationary and moving conductors. There are many operational ca... [more] EMD2018-40
pp.19-24
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
15:40
Saitama Nippon Institute of Technology Brush Wear Characteristic in Sliding Contact of Au Coated Slip Ring and Ag Graphite Brush
Kotaro Kasahara, Kazuya Seino, Naoki Fukuda, Koichiro Sawa, Takahiro Ueno (NIT) EMD2017-66
A sliding contact allows the transfer of electrical current between stationary and moving part. It’s used in collector r... [more] EMD2017-66
pp.41-44
EMD 2018-03-02
15:55
Saitama Nippon Institute of Technology Effect of lubricant oil on electricity sliding contact of slip ring system
Ikeda Takumi, Miura Ryosuke, Amada Yuki, Ueno Takahiro (NIT) EMD2017-67
In recent years, various industrial machines have been developed to be more complicated and sophisticated. The slip ring... [more] EMD2017-67
pp.45-48
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 2018-03-02
16:50
Saitama Nippon Institute of Technology Wear・and erosion of brush and commutator in fuel pump drive DC motor
Ryohei Sekimoto, Kento Ohata, Koichiro Sawa, Takahiro Ueno (NIT) EMD2017-70
Small DC motors are used for driving fuel pumps used in automobiles due to their superior cost advantages. As its struct... [more] EMD2017-70
pp.57-61
EMD 2016-11-04
09:55
Hyogo Awaji Yumebutai International Conference Center Dynamic Characteristics of Ag Graphite Brush at Vrious Atmospheric Temperatures
Naoki Fukuda, Koichiro Sawa, Takahiro Ueno, Yuta Abo, Hiromi Inada (NIT) EMD2016-59
Sliding contact is the process by which electrical current is transferred between stationary and moving objects. Commonl... [more] EMD2016-59
pp.53-56
EMD 2014-03-07
14:30
Kanagawa Yokohama Nat'l Univ. Brush and commutator wear in ethanol of DC motor used in automotive fuel pump
Daiki Sato, Michihiro Sato, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.) EMD2013-154
Small DC motors are widely used in automobile fuel pumps.Generally, the fuel pump is installed in the gasoline tank, so ... [more] EMD2013-154
pp.21-24
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 2012-12-01
13:50
Chiba Chiba Institute of Technology Effect of Lubricant on Lifetime of Au-plated Slip-Ring and Ag-Pd-Cu Brush System for Small Electric Power -2-
Hideki Kitajima, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.) EMD2012-84
Abstract The authors have been investigating degradation process of Au plated slip ring and Ag-Pd-Cu brush system. In a... [more] EMD2012-84
pp.113-118
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