Title:
ANTIVIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/203844
Kind Code:
A1
Abstract:
This antivibration device 1 comprises: a cylindrical first attachment member 11 coupled to one among a vibration generating unit and a vibration receiving unit, and a second attachment member 12 coupled to the other; an elastic body 13 that couples the first attachment member and the second attachment member; and a partitioning member 16 that partitions, in the axial direction along a center line O of the first attachment member, a liquid chamber 19 inside the first attachment member into a first liquid chamber 14, which has the elastic body in a portion of a partition wall, and a second liquid chamber 15, the partitioning member 16 having formed therein an orifice passage 17 that allows communication between the first liquid chamber and the second liquid chamber, wherein a deformable shielding body 21 is provided that couples the first attachment member and the second attachment member and covers the elastic body from the side opposite the first liquid chamber along the axial direction, and a shielding chamber 22 defined by being sandwiched by the shielding body and the elastic body in the axial direction is blocked from the liquid chamber.
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Inventors:
TAKAKURA TOMOKI (JP)
Application Number:
PCT/JP2023/004437
Publication Date:
October 26, 2023
Filing Date:
February 09, 2023
Export Citation:
Assignee:
PROSPIRA CORP (JP)
International Classes:
F16F13/10
Foreign References:
| JP2019070402A | 2019-05-09 | |||
| JP2015028369A | 2015-02-12 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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