Title:
EDDY CURRENT-TYPE RAIL BRAKE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/031787
Kind Code:
A1
Abstract:
This eddy current-type rail brake apparatus (1) comprises a magnetic array (8), a support member (3), a case (4), and a raising/lowering device (5). The magnetic array (8) includes a plurality of permanent magnets (2) arrayed in the travel direction of a railway vehicle. The magnetic array (8) is mounted on the support member (3). The case (4) accommodates the magnetic array (8) and the support member (3). The raising/lowering device (5) can switch to either a braking state or a non-braking state by raising or lowering the support member (3) inside the case (4). The case (4) includes two lateral parts (13) disposed on each side of the magnetic array (8), and a non-magnetic bottom part (14) disposed below the magnetic array (8) and connecting the lower ends of the two lateral parts (13). A magnetic part (6) is provided in an upper portion of each of the two lateral parts (13), and a non-magnetic part (7) is provided in a lower portion thereof. The raising/lowering device (5) raises or lowers the support member (3), with the magnetic array (8) facing the bottom part (14).
Inventors:
NOGAMI HIROSHI (JP)
IMANISHI KENJI (JP)
KADOKAWA SHOTARO (JP)
NOGUCHI YASUTAKA (JP)
SANO KUMPEI (JP)
IMANISHI KENJI (JP)
KADOKAWA SHOTARO (JP)
NOGUCHI YASUTAKA (JP)
SANO KUMPEI (JP)
Application Number:
PCT/JP2019/029810
Publication Date:
February 13, 2020
Filing Date:
July 30, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B61H7/00; H02K49/02; H02K49/10
Domestic Patent References:
| WO2017158971A1 | 2017-09-21 |
Foreign References:
| JPH10167068A | 1998-06-23 | |||
| US3625317A | 1971-12-07 | |||
| JPH0539039A | 1993-02-19 |
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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