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Patent Searching and Data


Title:
RAILROAD CAR BOGIE, RAILROAD CAR, AND TRAIN
Document Type and Number:
WIPO Patent Application WO/2018/043010
Kind Code:
A1
Abstract:
The present invention reduces aerodynamic sound generated from a bogie in addition to wheel rolling noises and wind noises emanating from brake discs, and reduces the amount of snow clinging to the bogie from snow which has accumulated on a track in winter, while ensuring traveling stability, curving performance when traveling through a curved section, and safety without introducing restrictions on the dimensions and arrangement of the components of the bogie. This railroad car bogie 1 includes a bogie frame 2, axle boxes 4 supported by the bogie frame 2, and wheel sets 3 supported by the axle boxes 4. For example, covers 13 which each cover both ends of the wheel sets 3 on the inside of the bogie frames 2 and cover the front and rear ends of a bogie 1 in the vehicle traveling direction are mounted to the bogie 1.

Inventors:
SUNADA, Yasuhiro (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
SAWADA, Masanori (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
MIZUNO, Masaaki (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
KADONAKA, Takehiro (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
SUMISAKI, Akinori (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
KATAOKA, Shintaro (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
NAKAI, Takuji (6-1 Marunouchi 2-chome Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2017/027974
Publication Date:
March 08, 2018
Filing Date:
August 02, 2017
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
B61D49/00; B61F3/14; B61F5/50; B61F19/06
Foreign References:
DE2558676A11977-07-07
JPS51137213A1976-11-27
JP2012224223A2012-11-15
Attorney, Agent or Firm:
MIZOGAMI, Tetsuya et al. (Hommachi-Ide Bldg. 2F, 1-10-4 Utsubo-hommachi, Nishi-ku, Osaka-sh, Osaka 04, 〒5500004, JP)
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