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Title:
BRAKE DISK UNIT FOR ROLLING STOCK
Document Type and Number:
WIPO Patent Application WO/2021/065392
Kind Code:
A1
Abstract:
A brake disk unit (100) comprises a rotating member (10), a brake disk (20), and a control member (30). The brake disk (20) includes a disk body (21), fins (22), and a convex part (23) and/or a concave part (26). The control member (30) includes a support part (31) and a projecting part (32). At least part of the projecting part (32) is disposed between adjacent ones of the fins (22) in a circumferential direction of the brake disk (20). A gap (G) is formed between the projecting part (32) and the brake disk (20). The convex part (23) and/or the concave part (26) are/is provided in an outer surface of the brake disk (20), further on an outer circumferential side than a minimum opening (Amin) of the gap (G).

Inventors:
NOGAMI HIROSHI (JP)
FUJIMOTO TAKAHIRO (JP)
SHIOTANI YUIKO (JP)
NISHIMURA RYUICHI (JP)
OKAMOTO MITSUHIRO (JP)
SANO KUMPEI (JP)
MIYABE NARUO (JP)
ICHIKAWA YUKI (JP)
Application Number:
PCT/JP2020/034076
Publication Date:
April 08, 2021
Filing Date:
September 09, 2020
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B61H5/00; F16D65/12; F16D65/847
Domestic Patent References:
WO2017099074A12017-06-15
WO2010071169A12010-06-24
WO2019082027A12019-05-02
WO2019194203A12019-10-10
Foreign References:
JP2007205428A2007-08-16
JPS58111442U1983-07-29
JPS58102840U1983-07-13
JPH10103394A1998-04-21
JPH084809A1996-01-12
EP3421833A12019-01-02
JPS58187633U1983-12-13
JPH05321959A1993-12-07
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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