US3295318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner devices and combustion chambers therefor
Assignee: Safran Aircraft Engines SAS
•
Filing: 1965-06-07
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Granted: 1967-01-03
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Bauger Louis Jules
- 👤 Gambet Bernard Paul Emile
- 👤 Lacroix Armand Jean Baptiste
- 👤 Negre Pierre Jean Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:02
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; F23R3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN IMPROVEMENT IN COMBUSTION EQUIPMENTS FOR COMBUSTION CHAMBERS DESIGNED TO BE TRANSVERSED BY A HIGHVELOCITY AIR FLOW AND OF THE KIND COMPRISING AT LEAST TWO ANNULAR FLAME-HOLDER RINGS OF V-SHAPED RADIAL CROSS-SECTION DEFINING AN INNER SPACE CLOSED UPSTREAM AT THE APEX OF SAID V CROSS-SECTION AND OPEN DOWNSTREAM, SAID RINGS BEING OF DIFFERENT RADII AND ARRANGED CONCENTRICALLY OF EACH OTHER, AND A PLURALITY OF GENERALLY RADIAL HOLLOW SRUTS EXTENDING BETWEEN SAID CONCENTRIC RINGS AND COMMUNICATING WITH SAID INNER SPACE THEREOF, SAID CONCENTRIC RINGS AND SAID RADIAL STRUTS FORMING A RIGID UNITARY ASSEMBLY, WHEREIN SAID IMPROVEMENT COMPRISES AN ANNULAR FUEL MANIFOLD HAVING A RADIUS INTERMEDIATE THE RADII OF SAID
Claim 2
Dependent Claim
108 words
AN IMPROVEMENT IN COMBUSTION EQUIPMENTS FOR COMBUSTION CHAMBERS DESIGNED TO BE TRANSVERSED BY A HIGHVELOCITY AIR FLOW AND OF THE KIND COMPRISING AT LEAST TWO ANNULAR FLAME-HOLDER RINGS OF V-SHAPED RADIAL CROSS-SECTION DEFINING AN INNER SPACE CLOSED UPSTREAM AT THE APEX OF SAID V CROSS-SECTION AND OPEN DOWNSTREAM, SAID RINGS BEING OF DIFFERENT RADII AND ARRANGED CONCENTRICALLY OF EACH OTHER, AND A PLURALITY OF GENERALLY RADIAL HOLLOW SRUTS EXTENDING BETWEEN SAID CONCENTRIC RINGS AND COMMUNICATING WITH SAID INNER SPACE THEREOF, SAID CONCENTRIC RINGS AND SAID RADIAL STRUTS FORMING A RIGID UNITARY ASSEMBLY, WHEREIN SAID IMPROVEMENT COMPRISES AN ANNULAR FUEL MANIFOLD HAVING A RADIUS INTERMEDIATE THE RADII OF SAID
References Cited (Backward Citations)
US3046731A
Cited
US3196614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |