Patent US3221499A successfully refreshed from Google Patents.
US3221499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector head for rocket
Assignee: RTX Corp
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Filing: 1960-04-12
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Granted: 1965-12-07
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Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 Hasbrouck Augustus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:37
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN INJECTOR HEAD FOR A ROCKET COMBINATION CHAMBER FOR THE DELIVERY OF TWO PROPELLANTS INTO THE CHAMBER, SAID HEAD INCLUDING A CENTRAL HOLLOW HUB RECEIVING ONE PROPELLANT AND HAVING SUBSTANTIALLY RADIALLY EXTENDING MANIFOLDS INTEGRAL THEREWITH AND PROJECTING THEREFROM, EACH MANIFOLD HAVING A PLURALITY OF PROPELLANT DISCHARGE TUBES EXTENDING THEREFROM, A PLATE HAVING A PLURALITY OF OPENINGS TO RECEIVE THE ENDS OF THE TUBES AND SPACED AXIALLY FROM SAID RADIAL MANIFOLDS, AN ANNULAR MANIFOLD FOR THE OTHER PROPELLANT SURROUNDING SAID HUB AND LOCATED ADJACENT TO THE ENDS OF THE RADIALLY EXTENDING MANIFOLDS, AND A PLURALITY OF SECTOR-SHAPED FILLERS ENGAGING AND CLOSING THE SPACES BETWEEN THE RADIALLY EXTENDING MANIFOLDS TO DEFINE CHAMBERS INTO WHICH THE OTHER PROPELLANT IS DISCHARGED FROM SAID ANNULAR MANIFOLD.
Claim 2
Dependent Claim
121 words
AN INJECTOR HEAD FOR A ROCKET COMBINATION CHAMBER FOR THE DELIVERY OF TWO PROPELLANTS INTO THE CHAMBER, SAID HEAD INCLUDING A CENTRAL HOLLOW HUB RECEIVING ONE PROPELLANT AND HAVING SUBSTANTIALLY RADIALLY EXTENDING MANIFOLDS INTEGRAL THEREWITH AND PROJECTING THEREFROM, EACH MANIFOLD HAVING A PLURALITY OF PROPELLANT DISCHARGE TUBES EXTENDING THEREFROM, A PLATE HAVING A PLURALITY OF OPENINGS TO RECEIVE THE ENDS OF THE TUBES AND SPACED AXIALLY FROM SAID RADIAL MANIFOLDS, AN ANNULAR MANIFOLD FOR THE OTHER PROPELLANT SURROUNDING SAID HUB AND LOCATED ADJACENT TO THE ENDS OF THE RADIALLY EXTENDING MANIFOLDS, AND A PLURALITY OF SECTOR-SHAPED FILLERS ENGAGING AND CLOSING THE SPACES BETWEEN THE RADIALLY EXTENDING MANIFOLDS TO DEFINE CHAMBERS INTO WHICH THE OTHER PROPELLANT IS DISCHARGED FROM SAID ANNULAR MANIFOLD.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |