US3128989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine overspeed control
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
•
Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:34
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/006; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CENTRIFUGALLY OPERABLE VALVE CONSTRUCTION COMPRISING A ROTATABLE VALVE SEAT, CASING MEANS EXTENDING THEREABOUT AND DEFINING AN ANNULAR PASSAGE WITH SAID SEAT, AN ANNULAR VALVE MEMBER DISPOSED ABOUT THE SEAT AND SPLIT AXIALLY ALONG A RADIAL PLANE THEREOF, AND FASTENER MEANS CONNECTING SAID VALVE MEMBER WITH THE SEAT FOR ROTATION THEREWITH, ONE OF SAID VALVE MEMBER AND SAID FASTENER MEANS BEING CONSTRUCTED OF A MATERIAL THAT WILL YIELD UNDER THE ACTION OF A PREDETERMINED CENTRIFUGAL FORCE, WHEREBY THE VALVE MEMBER WILL MOVE RADIALLY OUTWARDLY INTO SAID PASSAGE AT A ROTATIONAL SPEED OF THE SEAT COMMENSURATE WITH SAID FORCE.
Claim 2
Dependent Claim
98 words
A CENTRIFUGALLY OPERABLE VALVE CONSTRUCTION COMPRISING A ROTATABLE VALVE SEAT, CASING MEANS EXTENDING THEREABOUT AND DEFINING AN ANNULAR PASSAGE WITH SAID SEAT, AN ANNULAR VALVE MEMBER DISPOSED ABOUT THE SEAT AND SPLIT AXIALLY ALONG A RADIAL PLANE THEREOF, AND FASTENER MEANS CONNECTING SAID VALVE MEMBER WITH THE SEAT FOR ROTATION THEREWITH, ONE OF SAID VALVE MEMBER AND SAID FASTENER MEANS BEING CONSTRUCTED OF A MATERIAL THAT WILL YIELD UNDER THE ACTION OF A PREDETERMINED CENTRIFUGAL FORCE, WHEREBY THE VALVE MEMBER WILL MOVE RADIALLY OUTWARDLY INTO SAID PASSAGE AT A ROTATIONAL SPEED OF THE SEAT COMMENSURATE WITH SAID FORCE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |