Title:
VIBRATION CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2010185550
Kind Code:
A
Abstract:
To restrain the abrasion of a shaft fitted to a piston member so as to be slidable, and to maintain the satisfactory sliding of the piston member over a long period.
This vibration control device 10 is configured to conduct switching between a shake orifice 31 and an idle orifice 32 having the flow resistance of a liquid lower than that of the shake orifice 31, by sliding the piston member 27 in the expansion and contraction directions of an orifice space 25 and a pressurization space 26 on the shaft 28, in accompaniment to the liquid pressure fluctuation inside a main liquid chamber 14, and the shaft 28 is formed of a material having a Vickers hardness higher than that of a material forming an orifice member 21.
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Inventors:
UEKI SATORU
KUZE KAZUMASA
YOSHIDA SHINYA
KUZE KAZUMASA
YOSHIDA SHINYA
Application Number:
JP2009031519A
Publication Date:
August 26, 2010
Filing Date:
February 13, 2009
Export Citation:
Assignee:
BRIDGESTONE CORP
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
F16F13/26; B60K5/12; F16F13/06; F16F13/18
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Tadashi Takahashi