Title:
LIQUID-FILLED VIBRATION ISOLATION DEVICE AND VIBRATION-PROOF STRUCTURE OF VEHICLE
Document Type and Number:
Japanese Patent JP2019203565
Kind Code:
A
Abstract:
To provide a liquid-filled vibration isolation device that can facilitate an increase in a static spring constant.SOLUTION: A liquid-filled vibration isolation device comprises a shaft member, a cylindrical first member, a rubber-like elastic body connecting the first member and the shaft member, and a cylindrical second member arranged radially outside the first member. The first member comprises a pair of annular parts, and a pair of connection parts connecting the pair of annular parts and arranged across an axis. The elastic body comprises a pair of first wall parts connecting the annular parts to the shaft member, and a second wall part formed integrally with the first wall part and connecting the respective connection parts to the shaft member. An intermediate plate embedded in the second wall part is arranged between the shaft member and the first member, and rigidity of the intermediate plate is higher than that of the elastic body.SELECTED DRAWING: Figure 2
Inventors:
YAMADA NORIIKU
IZAWA GEN
MATSUYAMA SEISHIYUU
IDE YUSUKE
IZAWA GEN
MATSUYAMA SEISHIYUU
IDE YUSUKE
Application Number:
JP2018099505A
Publication Date:
November 28, 2019
Filing Date:
May 24, 2018
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO
TOYOTA MOTOR CORP
TOYOTA MOTOR EAST JAPAN INC
TOYOTA MOTOR CORP
TOYOTA MOTOR EAST JAPAN INC
International Classes:
F16F13/14
Domestic Patent References:
| JPH0320138A | 1991-01-29 | |||
| JPH04160244A | 1992-06-03 | |||
| JP2005226817A | 2005-08-25 | |||
| JP2000110882A | 2000-04-18 |
Foreign References:
| US5172894A | 1992-12-22 |
Attorney, Agent or Firm:
Patent Service Corporation Shinmei Century