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US3286982A
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Reversible axial flow gas turbine
Assignee: General Electric Co
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Filing: 1965-02-12
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Granted: 1966-11-22
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Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Scheper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:34
CPC Classifications
F; F01; F01D; F01D1/00; F01D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A REVERSIBLE AXIAL FLOW GAS TURBINE COMPRISING: A SOURCE OF HOT MOTIVE FLUID, A TURBINE WHEEL HAVING TWO CONCENTRIC CIRCUMFERENTIAL ROWS OF VANES THEREON, ONE OF THE ROWS BEING OF REVERSE BLADE CURVATURE FOR EFFECTING ROTATION OPPOSITE THAT OF THE OTHER ROW, AND A VARIABLE AREA NOZZLE FOR EACH OF SAID ROWS OF VANES COMPRISING TWO CONCENTRIC CIRCUMFERENTIAL ROWS OF RADIALLY EXTENDING PIVOTABLE NOZZLE PARTITIONS, THE PARTITIONS IN EACH ROW BEING PIVOTABLE AS A GROUP SEPARATELY FROM THE PARTITIONS IN THE OTHER ROW FROM OPEN TO CLOSED POSITION, AND MEANS FOR SEPARATELY PIVOTING SAID NOZZLE PARTITION ROWS TO SELECTIVELY PROVIDE FORWARD OR REVERSE ROTATION OF SAID TURBINE WHEEL.
Claim 2
Dependent Claim
108 words
A REVERSIBLE AXIAL FLOW GAS TURBINE COMPRISING: A SOURCE OF HOT MOTIVE FLUID, A TURBINE WHEEL HAVING TWO CONCENTRIC CIRCUMFERENTIAL ROWS OF VANES THEREON, ONE OF THE ROWS BEING OF REVERSE BLADE CURVATURE FOR EFFECTING ROTATION OPPOSITE THAT OF THE OTHER ROW, AND A VARIABLE AREA NOZZLE FOR EACH OF SAID ROWS OF VANES COMPRISING TWO CONCENTRIC CIRCUMFERENTIAL ROWS OF RADIALLY EXTENDING PIVOTABLE NOZZLE PARTITIONS, THE PARTITIONS IN EACH ROW BEING PIVOTABLE AS A GROUP SEPARATELY FROM THE PARTITIONS IN THE OTHER ROW FROM OPEN TO CLOSED POSITION, AND MEANS FOR SEPARATELY PIVOTING SAID NOZZLE PARTITION ROWS TO SELECTIVELY PROVIDE FORWARD OR REVERSE ROTATION OF SAID TURBINE WHEEL.
References Cited (Backward Citations)
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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) | 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 |