Patent US3214906A successfully refreshed from Google Patents.
US3214906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid rocket motor
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-07-05
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Granted: 1965-11-02
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 William A Coleal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:43
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A ROCKET ENGINE COMPRISING: CHAMBERS CONTAINING PROPELLANT AND OXIDIZER NESTED ONE WITHIN THE OTHER, MEANS FOR INTRODUCING OXIDIZER FROM SAID OXIDIZER CHAMBER INTO THE FORWARD END OF SAID PROPELLANT CHAMBER BY GASEOUS PRESSURE AND FOR EFFECTING COMBUSTION OF THE PROPELLANT THEREIN, A COLLECTION CHAMBER INTO WHICH THE PRODUCTS OF COMBUSTION FROM SAID PROPELLANT CHAMBER ARE DISCHARGED, SAID COLLECTION CHAMBER BEING PROVIDED WITH AN ANNULAR DISCHARGE ORIFICE, A PLUG NOZZLE AGAINST THE OUTER SURFACE OF WHICH THE DISCHARGE FROM SAID ANNULAR DISCHARGE ORIFICE IS DIRECTED, AND MEANS FOR GENERATING GASES UNDER PRESSURE TO OPERATE SAID MEANS FOR INTRODUCING OXIDIZER INTO THE FORWARD END OF THE PROPELLANT CHAMBER, SAID GAS PRESSURE GENERATING MEANS BEING POSITIONED WITHIN SAID PLUG NOZZLE.
Claim 2
Dependent Claim
117 words
A ROCKET ENGINE COMPRISING: CHAMBERS CONTAINING PROPELLANT AND OXIDIZER NESTED ONE WITHIN THE OTHER, MEANS FOR INTRODUCING OXIDIZER FROM SAID OXIDIZER CHAMBER INTO THE FORWARD END OF SAID PROPELLANT CHAMBER BY GASEOUS PRESSURE AND FOR EFFECTING COMBUSTION OF THE PROPELLANT THEREIN, A COLLECTION CHAMBER INTO WHICH THE PRODUCTS OF COMBUSTION FROM SAID PROPELLANT CHAMBER ARE DISCHARGED, SAID COLLECTION CHAMBER BEING PROVIDED WITH AN ANNULAR DISCHARGE ORIFICE, A PLUG NOZZLE AGAINST THE OUTER SURFACE OF WHICH THE DISCHARGE FROM SAID ANNULAR DISCHARGE ORIFICE IS DIRECTED, AND MEANS FOR GENERATING GASES UNDER PRESSURE TO OPERATE SAID MEANS FOR INTRODUCING OXIDIZER INTO THE FORWARD END OF THE PROPELLANT CHAMBER, SAID GAS PRESSURE GENERATING MEANS BEING POSITIONED WITHIN SAID PLUG NOZZLE.
References Cited (Backward Citations)
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Cited
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US2868127A
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US3127739A
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |