Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Dynamic force generator
Patent
1996-07-19
2000-09-19
Friedman, Carl D.
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Dynamic force generator
52 1, 521671, E04H 902
Patent
active
06119414&
ABSTRACT:
A damping device includes a plurality of rockets (3) each having a nozzle (4) directed outward and disposed at the four corners on the upper floor of a building structure (1) and a device for sensing an earthquake and operating the rockets. With this arrangement, there can be provided a damping device for a building structure which is applicable not only to new building structures but also to existing building structures and can cope with a sudden exciting force caused by, for example, an earthquake with a vertical shock which has been conventionally impossible to be coped with.
REFERENCES:
patent: 4429496 (1984-02-01), Masri
patent: 4924640 (1990-05-01), Suizu et al.
patent: 5036633 (1991-08-01), Kobori et al.
patent: 5311709 (1994-05-01), Kobori et al.
patent: 5544452 (1996-08-01), Fujita et al.
Friedman Carl D.
Wilkens Kevin D.
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