Title:
VIBRATION ISOLATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/075067
Kind Code:
A1
Abstract:
A partition member (17) comprises: a first orifice passage (25) extending from a primary liquid chamber (15) toward a secondary liquid chamber (16) side; and a second orifice passage (26) extending from a secondary liquid chamber toward the primary liquid chamber side and connected to the first orifice passage. The first orifice passage extends from the primary liquid chamber toward one side in the circumferential direction, and the second orifice passage extends from a connecting part between the first orifice passage and the second orifice passage toward the other side in the circumferential direction. In the partition member, a short circuit passage (20) is formed, the short circuit passage (20) directly connecting the secondary liquid chamber and the connecting part between the first orifice passage and the second orifice passage.
Inventors:
KOJIMA HIROSHI (JP)
Application Number:
PCT/JP2021/034843
Publication Date:
April 14, 2022
Filing Date:
September 22, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16F13/10
Foreign References:
| JP2018017304A | 2018-02-01 | |||
| JP2014098445A | 2014-05-29 | |||
| JP2009041740A | 2009-02-26 | |||
| JPH06105095B2 | 1994-12-21 | |||
| JP2006029591A | 2006-02-02 | |||
| KR101565052B1 | 2015-11-03 | |||
| JP2020170269A | 2020-10-15 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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