US3093968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for augmenting the drive of a gas turbine
Assignee: Calspan Corp
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Filing: 1960-05-05
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Granted: 1963-06-18
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Irving B Osofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:27
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/20; F02C3/30; F02C3/305; F02C7/00; F02C7/26; F02C7/268; F02C7/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
IN A GAS TURBINE INCLUDING A GAS GENERATOR AND A BLADED FREE POWER TURBINE WHEEL FAST TO AN OUTPUT SHAFT AND NORMALLY DRIVEN BY A MAIN DRIVE FLUID FLOWED OVER THE BLADES OF SAID WHEEL, THE COMBINATION THEREWITH OF MEANS FOR AUGMENTING THE DRIVE OF SAID WHEEL, COMPRISING VALVE MEANS CONNECTED TO A SOURCE OF AUXILIARY DRIVE FLUID INDEPENDENT OF THAT FOR SAID MAIN FLUID AND CONTROLLING THE FLOW OF SAID AUXILIARY FLUID, MEANS FOR JETTING SUCH AUXILIARY FLOW INTO DIRECT IMPINGEMENT AGAINST SAID BLADES WITHIN THE SAME AREA LIMITS THEREOF NORMALLY ENGAGED BY SAID MAIN DRIVE FLUID TO DRIVE SAID WHEEL AS AN IMPULSE TURBINE, AND VALVE CONTROL MEANS OPERATIVELY ASSOCIATED WITH SAID VALVE MEANS TO REGULATE SAID AUXILIARY FLOW.
References Cited (Backward Citations)
FR451838A
Cited
US1988456A
Cited
US2544235A
Cited
US2619163A
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US2687779A
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US2795107A
Cited
US2937491A
Cited
FR1112882A
Cited
US2982095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |