US3274776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chambers of reaction propulsion units
Assignee: Nord Aviation Societe Nationale de Constructions Aeronautiques
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Filing: 1965-01-26
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Granted: 1966-09-27
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Ravel Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/16; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PROPULSION REACTOR, A COMBUSTION CHAMBER HAVING A PAIR OF HIGHLY DIVERGENT WALLS WITH CURVED PLANAR INTERIOR PORTIONS BETWEEN WHICH A FLOW OF AIR PASSES, A PILOT FLAME STABILIZING DEVICE WITHIN SAID COMBUSTION CHAMBER HAVING A PAIR OF CURVED PLANAR SURFACE PORTIONS OPENING TOWARD THE FLOW OF AIR PASSING THROUGH SAID COMBUSTION CHAMBER, AT LEAST ONE BURNER WITHIN SAID STABILIZING DEVICE, AT LEAST ONE ADDITIONAL BURNER LOCATED BETWEEN SAID STABLIZING DEVICE AND AT LEAST ONE INTERIOR WALL OF SAID COMBUSTION CHAMBER, CONDUIT MEANS PROJECTING THROUGH SAID PLANAR SURFACE OF SAID STABLIZING DEVICE AND COMMUNICATING WITH SAID ADDITIONAL BURNER, AND FUEL INJECTOR MEANS FOR FEEDING CARBURIZED FUEL TO SAID BURNERS.
Claim 2
Dependent Claim
110 words
IN A PROPULSION REACTOR, A COMBUSTION CHAMBER HAVING A PAIR OF HIGHLY DIVERGENT WALLS WITH CURVED PLANAR INTERIOR PORTIONS BETWEEN WHICH A FLOW OF AIR PASSES, A PILOT FLAME STABILIZING DEVICE WITHIN SAID COMBUSTION CHAMBER HAVING A PAIR OF CURVED PLANAR SURFACE PORTIONS OPENING TOWARD THE FLOW OF AIR PASSING THROUGH SAID COMBUSTION CHAMBER, AT LEAST ONE BURNER WITHIN SAID STABILIZING DEVICE, AT LEAST ONE ADDITIONAL BURNER LOCATED BETWEEN SAID STABLIZING DEVICE AND AT LEAST ONE INTERIOR WALL OF SAID COMBUSTION CHAMBER, CONDUIT MEANS PROJECTING THROUGH SAID PLANAR SURFACE OF SAID STABLIZING DEVICE AND COMMUNICATING WITH SAID ADDITIONAL BURNER, AND FUEL INJECTOR MEANS FOR FEEDING CARBURIZED FUEL TO SAID BURNERS.
References Cited (Backward Citations)
US2720754A
Cited
US2872785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |