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Title:
LIQUID RING VIBRATION CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2003/001080
Kind Code:
A1
Abstract:
A liquid ring vibration control device, wherein an idle orifice passage (17) is provided in a partition member (12) separating a main liquid chamber (13) from an auxiliary liquid chamber (14), the opening (18) thereof is opened and closed by a seating part (20) provided at a part of a diaphragm (15), and the opening and closing are controlled by a pressing member (21), the seating part (20) is formed in thick wall and recessed parts (51, 52) are provided in the center part front and rear surfaces of the diaphragm so as to form a thin−walled part (53), a generally semi−spherical projection (54) and a seal (55) of generally right triangle in cross section are installed around the seating part (20), a lateral film part (10) is installed on the side surface of an elastic body part (3), the outer peripheral part of the partition member (12) is floatingly supported through a cushion flange (33) and an elastic peripheral wall (37), and the upper end of a coiled spring (48) is floatingly supported by a pressing part (41) formed with an elastic material.

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Inventors:
Satori, Kazutoshi c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Saitoh, Jun c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Minamibata, Yukimitsu c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Application Number:
PCT/JP2002/005667
Publication Date:
January 03, 2003
Filing Date:
June 07, 2002
Export Citation:
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Assignee:
YAMASHITA RUBBER KABUSHIKI KAISHA (1239, Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Satori, Kazutoshi c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Saitoh, Jun c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
Minamibata, Yukimitsu c/o Yamashita Rubber Kabushiki Kaisha 1239 (Ohaza-Kamekubo Ohi-machi Iruma-gun, Saitama, 356-0051, JP)
International Classes:
F16F13/10; F16F13/26; B60K5/12; (IPC1-7): F16F13/10; B60K5/12; F16F13/18; F16F13/26
Foreign References:
JPH08277879A
JPH1151109A
JP2000257665A
JPH1089402A
JPS57130825A
JPS59158731U
JP2001099223A
JPH07305740A
Other References:
See also references of EP 1367289A1
Attorney, Agent or Firm:
Komatsu, Kiyomitsu (Rose Bay Ikebukuro Bldg. 8F C 39-8, Nishi-ikebukuro 2-chome Toshima-ku, Tokyo, 171-0021, JP)
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