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Title:
FRICTION FORCE IMPROVEMENT DEVICE
Document Type and Number:
Japanese Patent JP2020069809
Kind Code:
A
Abstract:
To provide a method by which a friction force related to a wheel of a railway vehicle is improved.SOLUTION: A friction force improvement device 1 comprises: injectors 10a, 10b which are installed in a railway vehicle traveling with a steel wheel 3 on a rail 5 and inject oxidation suppressing gas to a contact surface 7 between the wheel 3 and the rail 5; and a controller 30 which controls the injectors 10a, 10b to inject the oxidation suppression gas when an injection activation condition determined based on an operation command and/or a traveling situation of the railway vehicle is satisfied.SELECTED DRAWING: Figure 2

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Inventors:
YAMAMOTO DAISUKE
SAKAI HIROTAKA
Application Number:
JP2018202557A
Publication Date:
May 07, 2020
Filing Date:
October 29, 2018
Export Citation:
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Assignee:
RAILWAY TECHNICAL RES INST
International Classes:
B61C15/10; B60L15/20; B61H1/00; B61K3/02; F16D65/06
Domestic Patent References:
JP2008309231A2008-12-25
JPH04310464A1992-11-02
JPH023717A1990-01-09
JP2009040372A2009-02-26
Foreign References:
US4230045A1980-10-28
US0440690A1890-11-18
Attorney, Agent or Firm:
Yasushi Kuroda
Takekoshi Noboru
Inoue Ichi



 
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