Title:
LIQUID ENCLOSED ANTIVIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/119595
Kind Code:
A1
Abstract:
Disclosed is a liquid enclosed antivibration device (10) comprised of a primary liquid chamber (34A), a part of the wall of which is defined by an antivibration base element (16); a secondary liquid chamber (34B), a part of the wall of which is defined by a diaphragm (36); a partition element (38) provided between the primary liquid chamber (34A) and the secondary liquid chamber (34B); and an orifice passage (40) provided so that the primary liquid chamber (34A) is in communication with the secondary liquid chamber (34B), wherein an elastic membrane (42) is provided in the partition element (38); and the elastic membrane (42) is composed of a rubber composition including butyl rubber or halogenated butyl rubber. Thus, the noise caused by the collision of the elastic membrane (42) is reduced.
Inventors:
YAMAMOTO, Kentaro (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
山本健太郎 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
SAITO, Katsushi (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
齋藤克志 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
ISAWA, Gen (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
山本健太郎 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
SAITO, Katsushi (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
齋藤克志 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
ISAWA, Gen (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
Application Number:
JP2010/000147
Publication Date:
October 21, 2010
Filing Date:
January 13, 2010
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO., LTD. (17-18, Edobori 1-chome Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
東洋ゴム工業株式会社 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 Osaka, 〒5500002, JP)
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
YAMAMOTO, Kentaro (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
山本健太郎 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
SAITO, Katsushi (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
東洋ゴム工業株式会社 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 Osaka, 〒5500002, JP)
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
YAMAMOTO, Kentaro (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
山本健太郎 (〒02 大阪府大阪市西区江戸堀１丁目１７番１８号 東洋ゴム工業株式会社内 Osaka, 〒5500002, JP)
SAITO, Katsushi (17-18, Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
International Classes:
F16F13/10; B60K5/12; F16F13/18
Attorney, Agent or Firm:
TSUTADA, Akiko et al. (9th Floor, Nissei Bingomachi Bldg. 7-10, Bingomachi 1-chome, Chuo-ku, Osaka-sh, Osaka 51, 〒5410051, JP)
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