Patent ID: 6119414
Filing Date: 2000-09-19
Classification: E04H

Abstract:
A combination of a damping device and a building structure, said combination comprising:a plurality of rockets, each having a nozzle directed outwardly from an upper floor of said building structure; anda rocket operating device for sensing an earthquake and operating said rockets to generate a reaction force applied to said building in response to signals from said rocket operating device to counteract earthquake forces applied to said building, wherein each of said rockets comprises:a water chamber communicating with said nozzle;a gas chamber; anda partition separating said water chamber from said gas chamber, said water chamber containing a volume of water and said gas chamber having a combustible fuel disposed therein, whereby said partition is constructed and arranged to expand into said water chamber due to combustion of the combustible fuel in said gas chamber to force the water from said water chamber and through said nozzle at high pressure.