Patent US2919073A successfully refreshed from Google Patents.
US3249306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically adjustable rocket nozzle
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-09-14
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Granted: 1966-05-03
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 John H Altseimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:20
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/976
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER OF A ROCKET MOTOR, AN ELONGATED TUBULAR SKIRT SECURED AT ITS FORWARD END TO SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, THE WALL OF SAID SKIRT HAVING A PLURALITY OF LONGITUDINALLY EXTENDING CORRUGATIONS PROVIDED THEREIN TO FORM ORRUGATED INNER AND OUTER SKIRT SURFACES, SAID SKIRT EXTENDING CLEAR OF OBSTRUCTIONS AND BEING UNCONFINED THROUGHOUT AT LEAST A MOJOR PORTION OF ITS LENGHT, AN THE WALL OF SAID SKIRT EXPANDING BY LESSENING THE EXTENT OF THE CORRUGATIONS PROVIDED THEREIN IN RESPONSE TO A REDUCTION IN THE AMBIENT ATMOSPHERIC PRESSURE DURING THE FLIGHT OF THE ROCKET.
Claim 2
Dependent Claim
115 words
AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER OF A ROCKET MOTOR, AN ELONGATED TUBULAR SKIRT SECURED AT ITS FORWARD END TO SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, THE WALL OF SAID SKIRT HAVING A PLURALITY OF LONGITUDINALLY EXTENDING CORRUGATIONS PROVIDED THEREIN TO FORM ORRUGATED INNER AND OUTER SKIRT SURFACES, SAID SKIRT EXTENDING CLEAR OF OBSTRUCTIONS AND BEING UNCONFINED THROUGHOUT AT LEAST A MOJOR PORTION OF ITS LENGHT, AN THE WALL OF SAID SKIRT EXPANDING BY LESSENING THE EXTENT OF THE CORRUGATIONS PROVIDED THEREIN IN RESPONSE TO A REDUCTION IN THE AMBIENT ATMOSPHERIC PRESSURE DURING THE FLIGHT OF THE ROCKET.
Claim 3
Dependent Claim
113 words
AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER AT ITS FORWARD END TO SAID BENDABLE SKIRT MEANS SECURED AT ITS FORWARD END TO AND AROUND SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, SAID BENDABLE SKIRT MEANS BEING MOVABLE FROM A RETRACTED TO AN EXPANDED POSITION AS THE AMBIENT ATMOSPHERIC PRESSURE IS REDUCED DURING THE FLIGHT OF THE ROCKET, AND THRUST VECTOR CONTROL MEANS ASSOCIATED WITH SAID BENDABLE SKIRT MEANS, SAID THRUST VECTOR CONTROL MEANS RETAININNG A PORTION OF SAID BENDABLE SKIRT MEANS IN ITS RETRACTED POSITION WHILE THE REMAINDER OF SAID BENDABLE SKIRT MEANS IS IN ITS EXPANDED POSITION.
Claim 4
Dependent Claim
113 words
AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER AT ITS FORWARD END TO SAID BENDABLE SKIRT MEANS SECURED AT ITS FORWARD END TO AND AROUND SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, SAID BENDABLE SKIRT MEANS BEING MOVABLE FROM A RETRACTED TO AN EXPANDED POSITION AS THE AMBIENT ATMOSPHERIC PRESSURE IS REDUCED DURING THE FLIGHT OF THE ROCKET, AND THRUST VECTOR CONTROL MEANS ASSOCIATED WITH SAID BENDABLE SKIRT MEANS, SAID THRUST VECTOR CONTROL MEANS RETAININNG A PORTION OF SAID BENDABLE SKIRT MEANS IN ITS RETRACTED POSITION WHILE THE REMAINDER OF SAID BENDABLE SKIRT MEANS IS IN ITS EXPANDED POSITION.
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |