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Patent Searching and Data


Title:
DISK BRAKE DEVICE FOR RAIL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/239252
Kind Code:
A1
Abstract:
A disk brake device (100) comprises a rotary member (10), a brake disk (20, 20A), and a control member (30, 30A). The brake disk (20, 20A) includes an annular disk body (21) and fins (22). The control member (30, 30A) controls the volume of aeration between the fins (22) that are disposed adjacently to one another in the circumferential direction of the brake disk (20, 20A). The control member (30, 30A) includes a base plate (31) and a projection (32). The projection (32) protrudes from the base plate (31) toward the disk body (21). The fins (22) each have a recess (222) formed in the top surface (221) thereof. The projection (32) ranges between the adjacent fins (22) from one to the other and extends through the recess (222) in the circumferential direction.

Inventors:
FUJIMOTO TAKAHIRO (JP)
SHIOTANI YUIKO (JP)
NOGAMI HIROSHI (JP)
NISHIMURA RYUICHI (JP)
KATO TAKANORI (JP)
ICHIKAWA YUKI (JP)
MIYABE NARUO (JP)
Application Number:
PCT/JP2021/018500
Publication Date:
November 17, 2022
Filing Date:
May 14, 2021
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B61H5/00; F16D65/12; F16D65/847
Domestic Patent References:
WO2021065392A12021-04-08
WO2019194203A12019-10-10
WO2014038621A12014-03-13
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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