Title:
防振装置
Document Type and Number:
Japanese Patent JP6619702
Kind Code:
B2
Abstract:
A restricted passageway (24) is provided with a first communication part (26) which is formed in a first barrier wall (34) facing a first liquid chamber and opens to the first liquid chamber, a second communication part (27) which is formed in a second barrier wall (35) facing a second liquid chamber and opens to the second liquid chamber, and a main body flow path (25) that is configured to cause the first communication part (26) and the second communication part (27) to communicate with each other. At least one of the first communication part (26) and the second communication part (27) includes a plurality of fine holes (26a) that pass through the first barrier wall (34) or the second barrier wall (35). A vortex chamber (29) is disposed in a connection portion with at least one of the first communication part (26) and the second communication part (27) on the main body flow path (25), is configured to form the swirling flow of a liquid depending on a flow velocity of the liquid from the other of the first communication part (26) and the second communication part (27), and is configured to cause the liquid to flow out through the fine holes (26a).
Inventors:
Satoshi Ueki
Yuki Satake
Masakazu Nagasawa
Nagashima Yasuyuki
Hideki Sugawara
Shingo Ohno
Yuki Satake
Masakazu Nagasawa
Nagashima Yasuyuki
Hideki Sugawara
Shingo Ohno
Application Number:
JP2016124915A
Publication Date:
December 11, 2019
Filing Date:
June 23, 2016
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
F16F13/10
Foreign References:
| WO2016027606A1 | ||||
| WO2014196382A1 | ||||
| US6036183 |
Attorney, Agent or Firm:
Sumio Tanai
Nishizawa Kazumi
Hiroki Ninai
Makiko Otsuki
Masatake Shiga
Tadashi Takahashi
Nishizawa Kazumi
Hiroki Ninai
Makiko Otsuki
Masatake Shiga
Tadashi Takahashi