US3353632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft vibration damper
Assignee: Houdaille Industries Inc
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Filing: 1966-01-27
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Granted: 1967-11-21
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Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 John M Perhach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:55
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/02; F16F15/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SHAFT VIBRATION DAMPER COMPRISING A COLLAR ARRANGED FOR DISPLACEMENT UPON ECCENTRIC MOVEMENT OF A SHAFT RECEIVED THEREIN, A SUPPORT MOUNTING SAID COLLAR AND PERMITTING RELATIVE MOTION THEREBETWEEN, A RESILIENTLY DEFORMABLE TUBE HAVING A DAMPING FLUID CONFINED THEREIN AND MEANS PROVIDING A CONTINUOUS ANNULAR FLUID RESERVOIR BETWEEN SAID SUPPORT AND SAID COLLAR, MEANS CONNECTED TO SAID COLLAR TO BEAR AGAINST SAID FLUID RESERVOIR, AND CONSTRICTION MEANS OPERATING RADIALLY ON SAID RESERVOIR TO PROVIDE A CONSTANT AREA ORIFICE FOR THE FLOW OF FLUID IN SAID RESERVOIR.
Claim 2
Dependent Claim
85 words
A SHAFT VIBRATION DAMPER COMPRISING A COLLAR ARRANGED FOR DISPLACEMENT UPON ECCENTRIC MOVEMENT OF A SHAFT RECEIVED THEREIN, A SUPPORT MOUNTING SAID COLLAR AND PERMITTING RELATIVE MOTION THEREBETWEEN, A RESILIENTLY DEFORMABLE TUBE HAVING A DAMPING FLUID CONFINED THEREIN AND MEANS PROVIDING A CONTINUOUS ANNULAR FLUID RESERVOIR BETWEEN SAID SUPPORT AND SAID COLLAR, MEANS CONNECTED TO SAID COLLAR TO BEAR AGAINST SAID FLUID RESERVOIR, AND CONSTRICTION MEANS OPERATING RADIALLY ON SAID RESERVOIR TO PROVIDE A CONSTANT AREA ORIFICE FOR THE FLOW OF FLUID IN SAID RESERVOIR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |