Title:
LIQUID SEALED-IN TYPE VIBRATION DAMPER
Document Type and Number:
WIPO Patent Application WO/2002/081944
Kind Code:
A1
Abstract:
A liquid sealed-in type vibration damper comprising an orifice member (26) for a partition (7), a partition plate member (27) crimped to the vibration damper main body under the orifice member (26), a rubber-like elastic membrane (28) disposed in an annular space defined between these members (26, 27), the base (40) of the rubber-like elastic membrane being fixed to one member, either the orifice member (26) or the partition plate member (27), the front end side being an open end (34), the open end (34) being slidably pressed against the other member, thus providing a cantilever type slide membrane construction, whereby the amplitude dependency is reduced and the middle and high frequency dynamic spring constant is reduced over a wide range and noise can be reduced.
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Inventors:
YAMAMOTO HIKOFUMI (JP)
TAKASHIMA YUKIO (JP)
TAKASHIMA YUKIO (JP)
Application Number:
PCT/JP2001/002718
Publication Date:
October 17, 2002
Filing Date:
March 30, 2001
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
YAMAMOTO HIKOFUMI (JP)
TAKASHIMA YUKIO (JP)
YAMAMOTO HIKOFUMI (JP)
TAKASHIMA YUKIO (JP)
International Classes:
F16F13/10; F16F15/023; F16F15/00; (IPC1-7): F16F13/10
Foreign References:
| JP2000230600A | 2000-08-22 | |||
| JP2001020992A | 2001-01-23 | |||
| US4986510A | 1991-01-22 | |||
| FR2674590A1 | 1992-10-02 | |||
| US4711206A | 1987-12-08 | |||
| US4742999A | 1988-05-10 |
Attorney, Agent or Firm:
Ohshima, Yasutoshi (11-16 Minamisenba 4-chome Chuo-k, Osaka-shi Osaka, JP)
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