US3105352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust control for rocket engines
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1961-11-06
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Granted: 1963-10-01
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Marshall J Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/70; F02K9/42; F02K9/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
APPARATUS FOR CONTROLLING THE THRUST OF A ROCKET ENGINE OF THE TYPE HAVING A COMBUSTION CHAMBER AND AN EXHAUST NOZZLE COMPRISING, A SOURCE OF FUEL FOR SAID ENGINE, HYDRAULICALLY ACTUATED DRIVE MEANS TO FEED SAID FUEL TO SAID COMBUSTION CHAMBER, A SOURCE OF HYDRAULIC FLUID CONNECTED TO ACTUATE SAID DRIVE MEANS, CALIBRATED MEANS TO ESTABLISH A PRESELECTED DESIRED VALUE OF COMBUSTION CHAMBER PRESSURE CORRESPONDING TO A DESIRED VALUE OF THRUST OF SAID ROCKET, MEANS TO COMPARE ACTUAL COMBUSTION CHAMBER PRESSURE AND THE PRESSURE OF THE HYDRAULIC FLUID ACTUATING SAID DRIVE MEANS WITH SAID PRESELECTED DESIRED VALUE, AND MEANS CONNECTED TO BE RESPONSIVE TO THE DIFFERENCE BETWEEN SAID PRESELECTED DESIRED COMBUSTION CHAMBER PRESSURE AND THE ACTUAL COMBUSTION CHAMBER PRESSURE ALONG WITH THE PRESSURE OF THE HYDRAULIC FLUID ACTUATING SAID DRIVE MEANS TO VARIABLY CONTROL THE
Claim 2
Dependent Claim
134 words
APPARATUS FOR CONTROLLING THE THRUST OF A ROCKET ENGINE OF THE TYPE HAVING A COMBUSTION CHAMBER AND AN EXHAUST NOZZLE COMPRISING, A SOURCE OF FUEL FOR SAID ENGINE, HYDRAULICALLY ACTUATED DRIVE MEANS TO FEED SAID FUEL TO SAID COMBUSTION CHAMBER, A SOURCE OF HYDRAULIC FLUID CONNECTED TO ACTUATE SAID DRIVE MEANS, CALIBRATED MEANS TO ESTABLISH A PRESELECTED DESIRED VALUE OF COMBUSTION CHAMBER PRESSURE CORRESPONDING TO A DESIRED VALUE OF THRUST OF SAID ROCKET, MEANS TO COMPARE ACTUAL COMBUSTION CHAMBER PRESSURE AND THE PRESSURE OF THE HYDRAULIC FLUID ACTUATING SAID DRIVE MEANS WITH SAID PRESELECTED DESIRED VALUE, AND MEANS CONNECTED TO BE RESPONSIVE TO THE DIFFERENCE BETWEEN SAID PRESELECTED DESIRED COMBUSTION CHAMBER PRESSURE AND THE ACTUAL COMBUSTION CHAMBER PRESSURE ALONG WITH THE PRESSURE OF THE HYDRAULIC FLUID ACTUATING SAID DRIVE MEANS TO VARIABLY CONTROL THE
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |