Magnetorheological Damper and Use Thereof
An magnetorheological damper useful in structural vibration control has a damper body and a moveable portion relative to the damper body. The damper includes an magnetorheological material contained within the damper body for resisting movement of the moveable portion. Rheology changes can be generated in the magnetorheological material owing to changes in a magnetic field, to which the magnetorheological material is exposed. The damper further includes at least a sensor embedded in the damper for monitoring an external force exerted on the damper, and for generating a signal to control the magnetic field and hence the resulting yield force and rheological damping of the damper in response to a variance in the external force.
Korea
Japan
USA (CIP)
Patent Number: US7775333B2
Application Number: US2007808136A
Inventor: Or, Siu Wing | Ni, Yiqing | Duan, Yuanfeng
Priority Date: 20 Jul 2005
Priority Number: US7775333B2
Application Date: 6 Jun 2007
Publication Date: 17 Aug 2010
IPC Current: F16F000953
US Class: 1882672 | 18832111
Assignee Applicant: The Hong Kong Polytechnic University
Title: Magnetorheological damper and use thereof
Usefulness: Magnetorheological damper and use thereof
Summary: Used in structural vibration control (claimed) for damping a vibration of a suspension cable in a cable-stayed bridge, automotive seat and suspension system, and for vibration isolation of an automation and precision equipment/machine.
Novelty: Magnetorheological damper for use in e.g. suspension system, has piezoelectric sensors for generating electrical signals relative to variances in external forces to adjust/control current inputs to electromagnet
汽車
車輛部件
OR Siu-wing
NI Yiqing
DUAN Yuanfeng
NI Yiqing
DUAN Yuanfeng
中國內地
