US3073112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor control system
Assignee: Olin Corp
•
Filing: 1959-09-21
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Granted: 1963-01-15
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy H Bleikamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:20
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A ROCKET MOTOR, A COMBUSTION CHAMBER HAVING A NOZZLE AND A NOZZLE ORIFICE HAVING AN ADJUSTABLE NOZZLE THROAT AREA, A FIRST MEANS PROVIDING A PREDETERMINED SERIES OF SIGNALS, A SECOND MEANS RESPONSIVE TO SAID SIGNALS AND OPERATIVELY CONNECTED WITH SAID NOZZLE TO VARY THE NOZZLE EXIT AREA, SAID SECOND MEANS COMPRISING A WHEATSTONE BRIDGE, A SOURCE OF ENERGY CONNECTED ACROSS ONE DIAGONAL OF SAID BRIDGE, A RESISTOR IN AN ARM COMMON TO SAID DIAGONAL ADAPTED TO BE VARIED IN A PREDETERMINED SERIES OF MAGNITUDES, AND A PAIR OF CONDUCTORS CONNECTED ACROSS THE TERMINALS OF THE OTHER DIAGONAL OF SAID BRIDGE TO CONDUCT THE MAGNITUDE OF UNBALANCE AS A SIGNAL TO SAID SECOND MEANS, AND A THIRD MEANS FOR PROVIDING A SIGNAL TO SAID SECOND MEANS WHICH IS A MEASURE OF THE PRESSURE IN SAID COMBUSTION CHAMBER TO REGULATE THE DEGREE OF CHANGE IN SAID NOZZLE THROAT AREA.
Claim 2
Dependent Claim
148 words
IN A ROCKET MOTOR, A COMBUSTION CHAMBER HAVING A NOZZLE AND A NOZZLE ORIFICE HAVING AN ADJUSTABLE NOZZLE THROAT AREA, A FIRST MEANS PROVIDING A PREDETERMINED SERIES OF SIGNALS, A SECOND MEANS RESPONSIVE TO SAID SIGNALS AND OPERATIVELY CONNECTED WITH SAID NOZZLE TO VARY THE NOZZLE EXIT AREA, SAID SECOND MEANS COMPRISING A WHEATSTONE BRIDGE, A SOURCE OF ENERGY CONNECTED ACROSS ONE DIAGONAL OF SAID BRIDGE, A RESISTOR IN AN ARM COMMON TO SAID DIAGONAL ADAPTED TO BE VARIED IN A PREDETERMINED SERIES OF MAGNITUDES, AND A PAIR OF CONDUCTORS CONNECTED ACROSS THE TERMINALS OF THE OTHER DIAGONAL OF SAID BRIDGE TO CONDUCT THE MAGNITUDE OF UNBALANCE AS A SIGNAL TO SAID SECOND MEANS, AND A THIRD MEANS FOR PROVIDING A SIGNAL TO SAID SECOND MEANS WHICH IS A MEASURE OF THE PRESSURE IN SAID COMBUSTION CHAMBER TO REGULATE THE DEGREE OF CHANGE IN SAID NOZZLE THROAT AREA.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |