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Patent Searching and Data


Title:
VIBRATION DAMPENING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/193895
Kind Code:
A1
Abstract:
An vibration dampening device (10, 110) is configured such that a limiting passage (24) is provided with a first connection part (26) which is opened to a main liquid chamber (14), a second connection part (27) which is opened to a sub-liquid chamber (15), and a body flow passage (25) through which these parts are connected with each other, wherein the first connection part (26) is provided with a plurality of fine holes (31) which penetrate a first barrier (28) having a surface (28a) which faces the main liquid chamber (14), and projected parts (40, 140) are formed on the entire periphery of the opening peripheral edges of the fine holes (31) in the surface (28a) so as to project toward the main liquid chamber (14) or the sub-liquid chamber (15).

Inventors:
UEKI Akira (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
NAGASHIMA Yasuyuki (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
SATAKE Yuki (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/014887
Publication Date:
October 25, 2018
Filing Date:
April 09, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
F16F13/10; B60K5/12
Foreign References:
JP2016176509A2016-10-06
JP2009275910A2009-11-26
JP2015025515A2015-02-05
JP2009058083A2009-03-19
JP2012172832A2012-09-10
JP2017081261A2017-05-18
JP2017098940A2017-06-01
JP2012172832A2012-09-10
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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