US3120738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system for monopropellant combustion devices
Assignee: Individual
•
Filing: 1962-03-03
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Granted: 1964-02-11
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Expires: 1982-03-03
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN IGNITION MEANS FOR MONOPROPELLANT DEVICES, HAVING A CATALYST BED, AND MEANS FOR INTRODUCING ON COMMAND, A MONOPROPELLANT THEREIN, SAID IGNITION MEANS COMPRISING: A PRESSURE CONTAINER FOR A CHARGE OF AN OXIDIZER; A PRESSURE VESSEL FOR A CHARGE OF INERT PROPELLING GAS; A RUPTURE DIAPHRAGM FOR SEPARATING SAID VESSEL AND CONTAINER; MEANS FOR INITIALLY EQUALIZING PRESSURES IN SAID VESSEL AND CONTAINER TO PROVIDE AN INITIAL CONDITION OF ZERO PRESSURE DIFFERENTIAL ACROSS SAID DIAPHRAGM; MEANS FOR INTRODUCING SAID OXIDIZER INTO SAID CATALYST BED; AND A VALVE INTRPOSED BETWEEN SAID INTRODUCING MEANS AND PRESSURE CONTAINER, OPERABLE ON OPENING TO REDUCE THE PRESSURE IN SAID OXIDIZER CONTAINER THEREBY TO CAUSE RUPTURE OF SAID DIAPHRAGM AND PROPULSION OF SAID OXIDIZER INTO SAID CATALYST BED.
Claim 2
Dependent Claim
120 words
AN IGNITION MEANS FOR MONOPROPELLANT DEVICES, HAVING A CATALYST BED, AND MEANS FOR INTRODUCING ON COMMAND, A MONOPROPELLANT THEREIN, SAID IGNITION MEANS COMPRISING: A PRESSURE CONTAINER FOR A CHARGE OF AN OXIDIZER; A PRESSURE VESSEL FOR A CHARGE OF INERT PROPELLING GAS; A RUPTURE DIAPHRAGM FOR SEPARATING SAID VESSEL AND CONTAINER; MEANS FOR INITIALLY EQUALIZING PRESSURES IN SAID VESSEL AND CONTAINER TO PROVIDE AN INITIAL CONDITION OF ZERO PRESSURE DIFFERENTIAL ACROSS SAID DIAPHRAGM; MEANS FOR INTRODUCING SAID OXIDIZER INTO SAID CATALYST BED; AND A VALVE INTRPOSED BETWEEN SAID INTRODUCING MEANS AND PRESSURE CONTAINER, OPERABLE ON OPENING TO REDUCE THE PRESSURE IN SAID OXIDIZER CONTAINER THEREBY TO CAUSE RUPTURE OF SAID DIAPHRAGM AND PROPULSION OF SAID OXIDIZER INTO SAID CATALYST BED.
References Cited (Backward Citations)
US2743577A
Cited
US2972227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |