JPH031686B
PURPOSE:To reduce vibrations in two axial directions which are orthognal together in a horizontal plane and torsional vibrations in a building, by arranging three additional weight driving devices having their drive axes forming a triangle, and as well by providing a control circuit for driving the...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
11.01.1991
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Subjects | |
Online Access | Get full text |
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Abstract | PURPOSE:To reduce vibrations in two axial directions which are orthognal together in a horizontal plane and torsional vibrations in a building, by arranging three additional weight driving devices having their drive axes forming a triangle, and as well by providing a control circuit for driving the additinal weights in accordance with vibration in the building. CONSTITUTION:Three additional weight driving devices 4a, 4b, 4c are secured so that the drive-directional axes of three additional weight driving devices 4a, 4b, 4c form a triangle. A control circuit delivers a predetermined displacement value, and a predetermined speed value to control an acuator 20, thereby the control force of the additional weight drive devices 4a, 4b, 4c are generated. |
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AbstractList | PURPOSE:To reduce vibrations in two axial directions which are orthognal together in a horizontal plane and torsional vibrations in a building, by arranging three additional weight driving devices having their drive axes forming a triangle, and as well by providing a control circuit for driving the additinal weights in accordance with vibration in the building. CONSTITUTION:Three additional weight driving devices 4a, 4b, 4c are secured so that the drive-directional axes of three additional weight driving devices 4a, 4b, 4c form a triangle. A control circuit delivers a predetermined displacement value, and a predetermined speed value to control an acuator 20, thereby the control force of the additional weight drive devices 4a, 4b, 4c are generated. |
Author | KITORA YOSHIHISA FURUISHI YOSHIO |
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Discipline | Medicine Chemistry Sciences Physics |
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Notes | Application Number: JP19820197974 |
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PublicationDate | 19910111 |
PublicationDateYYYYMMDD | 1991-01-11 |
PublicationDate_xml | – month: 01 year: 1991 text: 19910111 day: 11 |
PublicationDecade | 1990 |
PublicationYear | 1991 |
RelatedCompanies | MITSUBISHI ELECTRIC CORP |
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Snippet | PURPOSE:To reduce vibrations in two axial directions which are orthognal together in a horizontal plane and torsional vibrations in a building, by arranging... |
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SubjectTerms | BLASTING BUILDING CEILINGS CONTROLLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSULATION OR OTHER PROTECTION OF BUILDINGS LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PHYSICS REGULATING ROOFS SHOCK-ABSORBERS SPRINGS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES THERMAL INSULATION IN GENERAL WALLS, e.g. PARTITIONS WEAPONS |
Title | JPH031686B |
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