Aerodynamic noise reduction member, railroad vehicle brake disk unit, railroad vehicle disk brake, railroad vehicle wheel, and railroad vehicle
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United States of America Patent
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Oct 25, 2022
Grant Date -
Jan 28, 2021
app pub date -
Apr 2, 2019
filing date -
Apr 3, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An aerodynamic noise reduction member 30 includes: a plate-like support portion 32 sandwiched between a plurality of fins 24 and 26 of a brake disk 20 and a rotating member 102 of a railroad vehicle; and a plurality of protruding portions 34 protruding from the support portion 32. Each of the plurality of protruding portions 34 is provided in such a manner that, in a state in which the support portion 32 is sandwiched between the plurality of fins 24 and 26 and the rotating member 102, each of the protruding portions 34 partially occludes between the fastening fin 24 and the anchoring fin 26 adjacent to each other in a circumferential direction of the brake disk 20.
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