US3267676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burner structure
Assignee: Curtiss Wright Corp
•
Filing: 1965-06-23
•
Granted: 1966-08-23
•
Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Sueeden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:58
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/28; F23R3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
COMBUSTION CHAMBER STRUCTURE COMPRISING: (A) A CASING FORMING A COMBUSTION SPACE, SAID CASING HAVING A WALL ACROSS ITS UPSTREAM END; (B) A PLURALITY OF CIRCUMFERENTIALLY-SPACED LINEAR TUBES EXTENDING DOWNSTREAM FROM SAID WALL; (C) MEANS FOR INTRODUCING FUEL INTO EACH TUBE TANGENTIALLY OF THE TUBE WALL AND ADJACENT TO THE TUBE UPSTREAM END, SAID TUBES ALSO BEING OPEN AT THEIR UPSTREAM ENDS FOR AIR FLOW THEREINTO; AND (D) A CAP MEMBER SUPPORTED ACROSS THE SPACED FROM THE DOWNSTREAM END OF EACH TUBE FOR DIRECTING THE FUEL AND AIR DISCHARGING FROM SAID TUBE IN AN UPSTREAM DIRECTION EXTERNALLY OF SAID TUBE FROM THE TUBE DISCHARGE END.
Claim 2
Dependent Claim
104 words
COMBUSTION CHAMBER STRUCTURE COMPRISING: (A) A CASING FORMING A COMBUSTION SPACE, SAID CASING HAVING A WALL ACROSS ITS UPSTREAM END; (B) A PLURALITY OF CIRCUMFERENTIALLY-SPACED LINEAR TUBES EXTENDING DOWNSTREAM FROM SAID WALL; (C) MEANS FOR INTRODUCING FUEL INTO EACH TUBE TANGENTIALLY OF THE TUBE WALL AND ADJACENT TO THE TUBE UPSTREAM END, SAID TUBES ALSO BEING OPEN AT THEIR UPSTREAM ENDS FOR AIR FLOW THEREINTO; AND (D) A CAP MEMBER SUPPORTED ACROSS THE SPACED FROM THE DOWNSTREAM END OF EACH TUBE FOR DIRECTING THE FUEL AND AIR DISCHARGING FROM SAID TUBE IN AN UPSTREAM DIRECTION EXTERNALLY OF SAID TUBE FROM THE TUBE DISCHARGE END.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |