Patent US3245177A successfully refreshed from Google Patents.
US3245177A
Expired / Lapsed
US
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Slender structure
Assignee: Sulzer AG
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Filing: 1964-06-10
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Granted: 1966-04-12
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Chen Yian-Nian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/28; F; F23; F23J; F23J11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN AN ELONGATED VERTICAL STRUCTURE FIXED AT ONE END AND FREE TO OSCILLATE AT THE OTHER ON BEING SUBJECTED TO A BENDING STRESS, THE COMBINATION WITH THE FREE END OF SAID STRUCTURE OF OSCILLATION DAMPING MEANS, SAID DAMPING MEANS COMPRISING A SELECTED CHAMBER MOUNTED ON THE FREE END OF SAID STRUCTUTE, PERFORATE PLATE WITHIN SAID CHAMBER AND DIVIDING THE SAME INTO A PLURALITY OF INTERCONNECTED COMPARTMENTS, AND A FLUID WITHIN SAID CHAMBER, WHEREBY SAID FLUID UPON THE OSCIALLATION OF SAID STRUCTURE MOVES THROUGH SAID PERFORATE PLATES FROM COMPARTMENT TO COMPARTMENT THEREBY TO CONVERT AT LEAST PART OF THE ENERGY OF SAID OSCILLATION TO HEAT AND EFFECT THE DESIRED DAMPING.
Claim 2
Dependent Claim
109 words
IN AN ELONGATED VERTICAL STRUCTURE FIXED AT ONE END AND FREE TO OSCILLATE AT THE OTHER ON BEING SUBJECTED TO A BENDING STRESS, THE COMBINATION WITH THE FREE END OF SAID STRUCTURE OF OSCILLATION DAMPING MEANS, SAID DAMPING MEANS COMPRISING A SELECTED CHAMBER MOUNTED ON THE FREE END OF SAID STRUCTUTE, PERFORATE PLATE WITHIN SAID CHAMBER AND DIVIDING THE SAME INTO A PLURALITY OF INTERCONNECTED COMPARTMENTS, AND A FLUID WITHIN SAID CHAMBER, WHEREBY SAID FLUID UPON THE OSCIALLATION OF SAID STRUCTURE MOVES THROUGH SAID PERFORATE PLATES FROM COMPARTMENT TO COMPARTMENT THEREBY TO CONVERT AT LEAST PART OF THE ENERGY OF SAID OSCILLATION TO HEAT AND EFFECT THE DESIRED DAMPING.
References Cited (Backward Citations)
CA446532A
Cited
US2417347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |