Title:
ANTI-VIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/051627
Kind Code:
A1
Abstract:
An anti-vibration device (1) according to the present invention is provided with a cylindrical first attaching member (11) and a cylindrical second attaching member (12), an elastic body (13), and a partition member (17) that partitions a liquid chamber (14) in the first attaching member into a main liquid chamber (15) and a sub-liquid chamber (16). The partition member is provided with a membrane (31) that constitutes a part of a division wall of the main liquid chamber, and an intermediate chamber (35) which is positioned on the side opposed to the main liquid chamber with respect to the membrane therebetween and with respect to which the membrane serves as a part of the division wall. The partition member has formed therein: a first orifice (21) that connects the main liquid chamber and the sub-liquid chamber; a second orifice (22) that connects the intermediate chamber and the sub-liquid chamber; and a shared opening (16a) that serves as an opening, on the sub-liquid chamber side, of each of the first orifice (21) and the second orifice (22).
Inventors:
KOJIMA HIROSHI (JP)
Application Number:
PCT/JP2017/025566
Publication Date:
March 22, 2018
Filing Date:
July 13, 2017
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16F13/10
Foreign References:
| JPH10132017A | 1998-05-22 | |||
| JP2010174998A | 2010-08-12 | |||
| JP2001020992A | 2001-01-23 | |||
| JP2007120607A | 2007-05-17 | |||
| JPH07113435A | 1995-05-02 | |||
| JP2006071109A | 2006-03-16 | |||
| JP2010196874A | 2010-09-09 |
Other References:
See also references of EP 3514403A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF: