VIBRATION-DAMPING DEVICE - BRIDGESTONE CORP

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).

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Inventors:

SATAKE YUKI (JP)
BABA YUTA (JP)
UEKI AKIRA (JP)
NAGASHIMA YASUYUKI (JP)

Application Number:

PCT/JP2018/047606

Publication Date:

July 04, 2019

Filing Date:

December 25, 2018

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)

International Classes:

F16F13/10

Foreign References:

JP2010106865A	2010-05-13
JP2010025149A	2010-02-04

Attorney, Agent or Firm:

TANAI Sumio et al. (JP)

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