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US20090223146 |
Seismic main beam connection
In a suspended ceiling for earthquake prone locations, a line of seismic main beam connections of the invention between main beams separates the ceiling into segments that move independently of...
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US20070261323 |
Seismically stable flooring
Isolation flooring systems, vibrational damping devices, and methods for their use are disclosed. The present invention has the advantage of having a minimum of moving parts, and being...
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US20080307723 |
Actively Damped Tension Member
Provided is a system and method for actively damping tension members by modulating the natural frequency of shape metal alloys. By incorporating shape metal alloys into tension members, such as...
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US20100186317 |
BAR-TYPE SUPPORTING STRUCTURE FOR FORMING A FRAME, COMPRISING A PLURALITY OF NODES AND BARS CONNECTING THE NODES
The invention relates to a bar-type supporting structure for forming a frame, comprising a plurality of nodes and bars connecting the nodes, wherein each bar comprises at least one recess extending...
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US20100218439 |
VIBRATION DAMPER
A vibration damper comprises a first plate 11 that is fixed to one framework member 51, a second plate 13 that is fixed to another framework member 53, and an elastic material 15 that is filled in...
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US20090113843 |
BROADBAND PASSIVE DISTRIBUTED TUNED VIBRATION AND ACOUSTIC ABSORBER FOR MODALLY DENSE STRUCTURES
A passive distributed vibration absorber that utilizes multiple discrete mass elements and a viscoelastic layer and that effectively attenuates vibration in modally dense structures excited by a...
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US20090056243 |
Method and apparatus for retrofitting existing escalator systems
A method and apparatus for retrofitting existing escalator systems in a manner to positively limit relative movement between the escalator and the spaced-apart floors of a building during an...
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US20100162640 |
STABLE UNBONDED FIBER-REINFORCED ELASTOMERIC SEISMIC ISOLATORS FOR BASE ISOLATION SYSTEM
An elastomeric seismic isolator bearing comprising a plurality of elastomeric layers reinforced with a plurality of fiber layers is disclosed, wherein said bearing is capable of exhibiting stable...
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US20090126288 |
Shape memory alloy composite material shock and vibration isolator devices
A shock and vibration isolator device has one or more connecting elements of a superelastic shape memory alloy composite material extending between a base member, configured to mount to a structure...
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US20070283635 |
SEISMIC CONTROL BEARING DEVICE AND SEISMIC CONTROL SYSTEM INCLUDING THE SAME
Provided are a seismic control bearing device capable of absorbing and/or blocking vibration energy transmitted to structures due to earthquakes, and so on, as well as actively controlling various...
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US20100251637 |
SEISMIC ISOLATION APPARATUS FOR STRUCTURES, METHOD FOR INSTALLING APPARATUS THEREOF, AND SEISMIC ISOLATION MEMBER
The seismic isolation apparatus 1 is an apparatus for damping the vibrations of an upper section A of a structure with respect to a lower section B of the structure, and provided with a plurality...
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