US3112913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine speed sensing device
Assignee: RTX Corp
•
Filing: 1959-04-03
•
Granted: 1963-12-03
•
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 08:26
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.
References Cited (Backward Citations)
CA564433A
Cited
US1655125A
Cited
GB302953A
Cited
DE929668C
Cited
US2244479A
Cited
US2609685A
Cited
US2677273A
Cited
US2600309A
Cited
US2815188A
Cited
US2839922A
Cited
US2816731A
Cited
US2924941A
Cited
US2880578A
Cited
US2836064A
Cited
US3100622A
Cited
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 |