US3286983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible axial flow gas turbine
Assignee: General Electric Co
•
Filing: 1965-11-19
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Granted: 1966-11-22
•
Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Scheper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:57
CPC Classifications
F; F01; F01D; F01D1/00; F01D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A REVERSIBLE AXIAL FLOW TURBINE COMPRISING: A SOURCE OF HOT MOTIVE FLUID, A TURBINE ROTOR HAVING FIRST AND SECOND CIRCUMFERENTIAL ROWS OF BLADES THEREON, THE SECOND ROW COMPRISING BLADES OF REVERSE CURVATURE FOR EFFECTING ROTATION OPPOSITE THAT OF THE FIRST ROW, MEANS FOR SELECTIVELY ADMITTING MOTIVE FLUID TO THE FIRST ROW OF BLADES FOR EFFECTING FORWARD ROTATION OF THE ROTOR, FIRST SECOND ADJUSTABLE VANE ROWS DISPOSED ON EITHER SIDE OF THE SECOND BLADE ROW, THE VANES IN EACH OF THE ROWS BEING PIVOTABLE AS A GROUP FROM OPEN TO CLOSED POSITION,
Claim 2
Dependent Claim
91 words
A REVERSIBLE AXIAL FLOW TURBINE COMPRISING: A SOURCE OF HOT MOTIVE FLUID, A TURBINE ROTOR HAVING FIRST AND SECOND CIRCUMFERENTIAL ROWS OF BLADES THEREON, THE SECOND ROW COMPRISING BLADES OF REVERSE CURVATURE FOR EFFECTING ROTATION OPPOSITE THAT OF THE FIRST ROW, MEANS FOR SELECTIVELY ADMITTING MOTIVE FLUID TO THE FIRST ROW OF BLADES FOR EFFECTING FORWARD ROTATION OF THE ROTOR, FIRST SECOND ADJUSTABLE VANE ROWS DISPOSED ON EITHER SIDE OF THE SECOND BLADE ROW, THE VANES IN EACH OF THE ROWS BEING PIVOTABLE AS A GROUP FROM OPEN TO CLOSED POSITION,
References Cited (Backward Citations)
US751889A
Cited
US996324A
Cited
US960160A
Cited
US986472A
Cited
US2919890A
Cited
US2912824A
Cited
US2961150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |