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Patent Searching and Data


Title:
SEISMIC ISOLATION UNIT AND SEISMIC ISOLATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/084848
Kind Code:
A1
Abstract:
Provided is a seismic isolation unit which performs seismic isolation during an earthquake but can also maintain rigidity in the absence of an earthquake, wherein the impact load generated by a separation mechanism portion can be minimized, such portion being necessary for actuation in both the compression direction and the tensile direction. The present invention includes: a first connection part (5a) and a second connection part (5b) disposed at a predetermined interval in the seismic isolation direction; and a movement restriction part (6) that is provided between the first connection part (5a) and the second connection part (5b) and to which an external force is applied from the seismic isolation direction. The movement restriction part (6) includes: a first housing (4a), one end of which is connected to the first connection part (5a); a second housing (4b), one end of which is connected to the second connection part (5b); a first damping device (21) accommodated inside the first housing (4a); a second damping device (22) accommodated inside the second housing (4b); a vibration damping part (1) provided between the first housing (4a) and the second housing (4b); and a linking member (3) for linking the first damping device (21) and the second damping device (22). The first damping device (21) and the second damping device (22) each include a cylinder (21b, 22b), a compressible fluid (21c, 22c), and a piston (21a, 22a).

Inventors:
KATO ATSUSHI (JP)
TAKAKI JUNJI (JP)
Application Number:
PCT/JP2019/028348
Publication Date:
April 30, 2020
Filing Date:
July 18, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16F15/023; E04H9/02; F16F5/00; F16F15/02
Domestic Patent References:
WO2017056265A12017-04-06
WO2018079673A12018-05-03
Foreign References:
JP2008175266A2008-07-31
JP2016105021A2016-06-09
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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