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Title:
FLUID SEALED TYPE VIBRATION CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2008223836
Kind Code:
A
Abstract:

To provide a new structure fluid sealed type vibration control device capable of providing excellent vibration control effect against high frequency small amplitude vibration in fluid sealed type vibration control devices in which parts of orifice passages are composed of orifice members which can be taken out of a device main bodies.

The orifice passage 104 is formed by assembling the orifice member 84 to a first attachment member 12. A balance chamber 92 is formed on an outside opening part of the orifice passage 104. An opening part 38 to a pressure receiving chamber 76 of the orifice passage 104 is formed to straightly extend toward the pressure receiving chamber 76 on a center axis 36 of a main body rubber elastic body 16. A movable film 74 is constructed by a rubber elastic film provided on a center section of a second attachment member 14. The movable film 74 is positioned to face the opening part 38 on the center axis 36 of the pressure receiving chamber 76 and the main body rubber elastic body 16.


Inventors:
MURAOKA MUTSUMI
HASEGAWA KOICHI
Application Number:
JP2007060849A
Publication Date:
September 25, 2008
Filing Date:
March 09, 2007
Export Citation:
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Assignee:
TOKAI RUBBER IND LTD
International Classes:
F16F13/18; B60K5/12; F16F13/06
Attorney, Agent or Firm:
Yoshitaka Kasai
Nakane Mie