Method And Apparatus For Vibration Isolation
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Abstract
The present invention relates to a method for vibration isolation featuring a two-part supporter made up of two supporters with positive and negative spring characteristics that are connected in series, and another supporter with positive spring characteristics that is installed in parallel with the two-part supporter. Vibration from the floor to the first member is isolated by the springs installed between the floor 1 and the first member 2; vibration transmitted from the first to the second member is isolated by the magnetic levitation mechanism 4 with zero-power characteristics comprising permanent magnets and electromagnets that are installed between the first member 2 and the second member 3 and by the load supporter 5 with positive spring characteristics that is installed between the base and the second member; and the load acting on the second member is supported by said magnetic levitation mechanism and said load supporter.
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Citations
49 Claims
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1-30. -30. (canceled)
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31. An apparatus for vibration isolation comprising:
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an intermediate plate supported on a base by spring elements with specified positive spring characteristics;
a vibration-isolating table supported on said intermediate plate; and
a load supporter with positive spring characteristics between said vibration-isolating table and said base. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A method for vibration isolation comprising:
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connecting in series two individual supporters with positive and negative spring characteristics, a supporter set including said two individual supporters; and
installing a load supporter between the base and the second member in parallel with said supporter set, said load supporter having positive spring characteristics, wherein nearly infinite rigidity adequate for preventing direct disturbances is achieved and vibration from the base is isolated due to the functioning of a first member installed between a base and a second member.
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49. A method for vibration isolation comprising:
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isolating vibration transmitted from a first member to a second member, the vibration being isolated by a magnetic levitation mechanism and a load supporter, the magnetic levitation mechanism having zero-power characteristics and includes permanent magnets and electromagnets that are installed between the first member and the second member, and the load supporter has positive spring characteristics and is between the base and the second member; and
supporting a load acting on the second member, the load being supported by said magnetic levitation mechanism and said load supporter, wherein vibration transmitted from the base to the first member is isolated by the springs installed between the base and the first member.
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Specification