Title:
VIBRATION-DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/186400
Kind Code:
A1
Abstract:
A vibration-damping device (10) is configured in such a manner that: a first limit passage (51) is provided with pressure-loss units (53a, 53b) having intermediate chambers (55), first communication passages (57), and second communication passages (58); both the opening axis (L1) of a first opening (59) of a first communication passage (57), the first opening (59) being open toward the inside of an intermediate chamber (55), and the opening axis (L2) of a second opening (60) of a second communication passage (58), the second opening (60) being open toward the inside of an intermediate chamber (55), are offset from each other; the first opening (59) and/or the second opening (60) is open toward a wall surface defining the intermediate chamber (55); the pressure-loss units (53a, 53b) is provided with the first pressure-loss unit (53a) in which the first communication passage (57) thereof directly communicates with a first liquid chamber (14) and in which the first opening (59) is open toward the wall surface defining the intermediate chamber (55). In the first pressure-loss unit (53a), a portion of the wall surface defining the intermediate chamber (55), the portion facing the first opening (59), is formed from an elastic membrane (39).
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Inventors:
UEKI AKIRA (JP)
Application Number:
PCT/JP2015/057439
Publication Date:
December 10, 2015
Filing Date:
March 13, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16F13/10
Foreign References:
| JP2014031850A | 2014-02-20 | |||
| JPS6073147A | 1985-04-25 |
Other References:
See also references of EP 3153739A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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