Title:
VIBRATION ISOLATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/131043
Kind Code:
A1
Abstract:
The present invention relates to a liquid filled type vibration isolating device (10) which is provided with a dividing member (16) dividing a liquid chamber (19) inside a first attachment member (11) filled with a liquid into a first liquid chamber (14) and a second liquid chamber (15), and in which a restricted passage (24) allowing the first liquid chamber and the second liquid chamber to communicate with one another is formed in the dividing member, wherein: the restricted passage is provided with a first communicating portion (26) opening into the first liquid chamber, a second communicating portion opening into the second liquid chamber, and a main flow passage (25) which allows the first communicating portion and the second communicating portion to communicate with one another; at least one of the first communicating portion and the second communicating portion is provided with a plurality of pores (26a) penetrating through a first separating wall (38) facing the first liquid chamber or the second liquid chamber; and at least one pore from among the plurality of pores has a pore flow passage length that is at least equal to three times the minimum value of the inner diameter of the pore.
Inventors:
UEKI AKIRA (JP)
SATAKE YUKI (JP)
BABA YUTA (JP)
SATAKE YUKI (JP)
BABA YUTA (JP)
Application Number:
PCT/JP2018/044920
Publication Date:
July 04, 2019
Filing Date:
December 06, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16F13/10
Domestic Patent References:
| WO2016027606A1 | 2016-02-25 | |||
| WO2018198444A1 | 2018-11-01 | |||
| WO2016027606A1 | 2016-02-25 |
Foreign References:
| JPS63280943A | 1988-11-17 | |||
| JPH01224544A | 1989-09-07 | |||
| JP2012026510A | 2012-02-09 | |||
| JP2017249883A | 2017-12-26 |
Other References:
See also references of EP 3734108A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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