US3169369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion system
Assignee: General Electric Co
•
Filing: 1963-06-19
•
Granted: 1965-02-16
•
Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Peter M Holl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:17
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/06; F23R3/42; F23R3/54; F05; F05B; F05B2250/00; F05B2250/30; F05B2250/31; F05B2250/311; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A REVERSE FLOW COMBUSTION SYSTEM ADAPTED FOR USE AT THE DOWNSTREAM END OF A GAS TURBINE ENGINE ADACENT THE TURBINE, SAID SYSTEM COMPRISING: A PAIR OF CONCENTRIC SHELLS DEFINING AN ANNULAR AIR PASSAGE AROUND THE TURNINE, AND OUTER COMBINATION CONICAL-CYLINDRICAL CLOSED CASING SECURED TO THE OUTER SHELL, AN INNER CONCENTRIC COMBINATION CONICAL-CYLINDRICAL AND OPEN-ENDED PERFORATED LINER SECURED TO THE INNER SHELL, SAID CASING SAID LINER BEING SYMMETRICALLY SPACED TO CONTINUE SAID ANNULAR AIR PASSAGE DOWNSTREAM, A DOUBLE CONICAL DOME MEMBER CLOSING THE OPEN END OF SAID LINER INCLUDING AN INNER CONE AND A CONTINUING OUTER OPENING AWAY FROM SAID INNER CONE, A SERIES OF SUBSTANTIALLY RADIAL LOUVERS AROUND SAID INNER CONE, A SECOND SERIES OF LOUVERS IN SAID OUTER CONE ORIENTED OFF RADIAL TO PROVIDE A COMPONENT OF FLOW RADIALLY INWARD OF SAID LINER, A FUEL INJECTOR THROUGH SAID DOME MEMBER,
Claim 2
Dependent Claim
141 words
A REVERSE FLOW COMBUSTION SYSTEM ADAPTED FOR USE AT THE DOWNSTREAM END OF A GAS TURBINE ENGINE ADACENT THE TURBINE, SAID SYSTEM COMPRISING: A PAIR OF CONCENTRIC SHELLS DEFINING AN ANNULAR AIR PASSAGE AROUND THE TURNINE, AND OUTER COMBINATION CONICAL-CYLINDRICAL CLOSED CASING SECURED TO THE OUTER SHELL, AN INNER CONCENTRIC COMBINATION CONICAL-CYLINDRICAL AND OPEN-ENDED PERFORATED LINER SECURED TO THE INNER SHELL, SAID CASING SAID LINER BEING SYMMETRICALLY SPACED TO CONTINUE SAID ANNULAR AIR PASSAGE DOWNSTREAM, A DOUBLE CONICAL DOME MEMBER CLOSING THE OPEN END OF SAID LINER INCLUDING AN INNER CONE AND A CONTINUING OUTER OPENING AWAY FROM SAID INNER CONE, A SERIES OF SUBSTANTIALLY RADIAL LOUVERS AROUND SAID INNER CONE, A SECOND SERIES OF LOUVERS IN SAID OUTER CONE ORIENTED OFF RADIAL TO PROVIDE A COMPONENT OF FLOW RADIALLY INWARD OF SAID LINER, A FUEL INJECTOR THROUGH SAID DOME MEMBER,
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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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |