Patent US3112913A successfully refreshed from Google Patents.
US3112913A
Expired / Lapsed
US
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Turbine speed sensing device
Assignee: RTX Corp
•
Filing: 1959-04-03
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Granted: 1963-12-03
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:12
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; F; F01; F01D; F01D17/00; F01D17/02; F01D17/06; G01P5/00; G01P5/02; G01P5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TURBINE, MEANS FOR SENSING THE SPEED OF SAID TURBINE, THE DIRECTION OF DISCHARGE OF THE EXHAUST STREAM FROM SAID TURBINE VARYING WITH THE SPEED THEREOF, A VANE LOCATED IN THE EXHAUST FLOW FROM THE TURBINE, AND MEANS FOR SUBSTANTIALLY FREELY PIVOTALLY MOUNTING SAID VANE DOWNSTREAM OF SAID TURBINE WHEREBY THE VANE ASSUMES A POSITION PARALLEL TO THE DIRECTION OF EXHAUST FLOW FROM THE TURBINE, SAID MEANS FOR MOUNTING INCLUDING A PIVOTAL AXIS EXTENDING TRANSVERSELY OF THE AXIS OF ROTATION OF THE TURBINE, SWITCH MEANS RESPONSIVE TO A PREDETERMINED POSITION OF SAID VANE PROVIDING A SIGNAL COMMENSURATE WITH A PREDETERMINED SPEED OF THE TURBINE, AND MEANS RESPONSIVE TO SAID SIGNAL FOR CONTROLLING AN OPERATING VARIABLE OF SAID TURBINE.
Claim 2
Dependent Claim
118 words
A TURBINE, MEANS FOR SENSING THE SPEED OF SAID TURBINE, THE DIRECTION OF DISCHARGE OF THE EXHAUST STREAM FROM SAID TURBINE VARYING WITH THE SPEED THEREOF, A VANE LOCATED IN THE EXHAUST FLOW FROM THE TURBINE, AND MEANS FOR SUBSTANTIALLY FREELY PIVOTALLY MOUNTING SAID VANE DOWNSTREAM OF SAID TURBINE WHEREBY THE VANE ASSUMES A POSITION PARALLEL TO THE DIRECTION OF EXHAUST FLOW FROM THE TURBINE, SAID MEANS FOR MOUNTING INCLUDING A PIVOTAL AXIS EXTENDING TRANSVERSELY OF THE AXIS OF ROTATION OF THE TURBINE, SWITCH MEANS RESPONSIVE TO A PREDETERMINED POSITION OF SAID VANE PROVIDING A SIGNAL COMMENSURATE WITH A PREDETERMINED SPEED OF THE TURBINE, AND MEANS RESPONSIVE TO SAID SIGNAL FOR CONTROLLING AN OPERATING VARIABLE OF SAID TURBINE.
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |