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Title:
ROTATING INERTIA MASS DAMPER
Document Type and Number:
Japanese Patent JP2010255752
Kind Code:
A
Abstract:

To control torque inside a damper so as to prevent the torque from acting on a fixed part.

A rotating inertia mass damper 1 includes: a ball screw 2 whose base end is fixed to one of the two members; a ball nut 3 screwed into a screw 21 of the ball screw 2 so as to rotate and rotatably supported with respect to the other of the two members; a fixed weight 7 integrally fixed to the ball nut 3 so as to rotate together with the ball nut 3 with the rotation center O of the ball screw 2 as the rotation axis; a flywheel 6 divided into a plurality of pieces while each piece is provided movably with respect to the fixed weight 7; and a ball spline 23 that is freely displaceable in the screw axis direction with respect to a sliding support member 43 supported slidably in the screw axis direction with respect to the ball screw 2 and regulates rotation of the ball screw 2.


Inventors:
ISODA KAZUHIKO
SAKURAI YUICHI
Application Number:
JP2009106681A
Publication Date:
November 11, 2010
Filing Date:
April 24, 2009
Export Citation:
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Assignee:
SHIMIZU CONSTRUCTION CO LTD
NSK LTD
International Classes:
F16F15/02; F16H25/22; F16H25/24; F16H33/02
Domestic Patent References:
JPS6084846U1985-06-11
JPH11201224A1999-07-27
JPH10184786A1998-07-14
JPH04236158A1992-08-25
JPH11201224A1999-07-27
JPH10184786A1998-07-14
JPH05215185A1993-08-24
JPH04236158A1992-08-25
JPS6084846U1985-06-11
JP2008002165A2008-01-10
JPS5320126A1978-02-24
JP3830132B22006-10-04
Foreign References:
WO2008044384A12008-04-17
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Yoshifumi Saeki



 
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