US3623317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine for low heating value gas
Assignee: Struthers Energy Systems Inc
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Filing: 1970-06-30
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Granted: 1971-11-30
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Expires: 1990-06-30
Abstract
Abstract A GAS TURBINE HAS A COMPRESSOR, A COMBUSTION CHAMBER, AND A TURBINE WHICH DRIVES THE COMPRESSOR AND PROVIDES ADDITIONAL SHAFT WORK, AIR AND LOW HEATING VALVE GAS BEING INTRODUCED A GIVEN CIRCUMFERENTIALLY DISPOSED LOCATIONS AT THE COMPRESSOR INTAKE AND BEING WITHDRAWN AT CORRESPONDING CIRCUMFRENTIALLY DISPOSED LOCATIONS AT THE COMPRESSOR EXHAUST, ONE OF SAID LOCATIONS AT THE COMPRESSOR EXHAUST PROVIDING FUEL RICH AIR INTRODUCED INTO AND BURNED IN THE COMBUSTION CHAMBER WITH ADDITIONAL AIR FROM THE COMPRESSOR INTRODUCED THEREAFTER, PRODUCTS OF COMBUSTION FROM THE COMBUSTION CHAMBER DRIVING SAID TURBINE.
Inventors
- 👤 Richard W Foster-Pegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:43
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/20; F02C3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |