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Patent Searching and Data


Title:
VIBRATION-DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/131649
Kind Code:
A1
Abstract:
A liquid-filled vibration-damping device (1) is provided with: a first mounting member (11); a second mounting member (12); an elastic body (13); and a partition member (16) by which a liquid chamber located within the first mounting member (11) and filled with liquid is divided into a first liquid chamber (14) and a second liquid chamber (15), the partition member (16) having formed therein a limiting passage (24) and a holding chamber (42) for holding a membrane (41). A support section (43) for supporting the outer peripheral edge (41a) of the membrane (41) from both sides in a thickness direction is disposed in the holding chamber (42). A sharp corner (41d) protruding outward in a plan view is formed on the membrane (41). An extendible and contractible section (41b) deformable by extension and contraction is formed at the portion of the outer peripheral edge (41a) of the membrane (41), the portion being located at at least the corner (41d) and continuing from the inner side of the outer peripheral edge (41a).

Inventors:
SATAKE Yuki (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
BABA Yuta (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
UEKI Akira (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
NAGASHIMA Yasuyuki (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/047606
Publication Date:
July 04, 2019
Filing Date:
December 25, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
F16F13/10
Foreign References:
JP2010106865A2010-05-13
JP2010025149A2010-02-04
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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