Title:
ACTIVE DAMPER
Document Type and Number:
Japanese Patent JP2013174262
Kind Code:
A
Abstract:
To provide an active damper that can prevent vibration transmission from an unsprung part (supporting frame) to a sprung part (damping object) in a high frequency range where a response of a pump motor cannot be followed, without increasing extra control or unnecessary loss in a conventional manner.
An active damper includes a hydraulic cylinder interposed between a damping object and a supporting frame; a hydraulic pump discharging hydraulic fluid to the hydraulic cylinder; a pump motor driving the hydraulic pump; and an accumulator connected to a hydraulic-oil supply channel in communication between the hydraulic cylinder and the hydraulic pump.
Inventors:
HAYASHI MITSUAKI
SHIGA YUJI
ARATA YASUHIRO
SHIGA YUJI
ARATA YASUHIRO
Application Number:
JP2012037739A
Publication Date:
September 05, 2013
Filing Date:
February 23, 2012
Export Citation:
Assignee:
IHI CORP
International Classes:
F16F15/02; B60G17/015; B60G17/04; F16F15/027
Domestic Patent References:
| JPH04243613A | 1992-08-31 | |||
| JPH0431607U | 1992-03-13 | |||
| JP2009137423A | 2009-06-25 |
Attorney, Agent or Firm:
Mitsuo Teramoto
Masatake Shiga
Hisanori Takahashi
Masatake Shiga
Hisanori Takahashi