US3305319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant gas generator
Assignee: Individual
•
Filing: 1965-04-02
•
Granted: 1967-02-21
•
Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 James F Kowalick
- 👤 William E Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/04; B; B01; B01J; B01J7/00; C; C06; C06D; C06D5/00; C09; C09K; C09K5/00; Y; Y10; Y10S; Y10S102/00; Y10S102/704
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PROPELLANT GAS GENERATOR INCLUDING A CONTAINER DEFINING A HIGH TEMPERATURE CHAMBER AND A LOW TEMPERATURE CHAMBER, SAID CONTAINER HAVING ONE CLOSED END DEFINING A GAS DISCHARGE PORT FROM SAID LOW TEMPERATURE CHAMBER AND ANOTHER CLOSED END CONTAINING PROPELLANT IGNITING MEANS EXTENDING INTO SAID HIGH TEMPERATURE CHAMBER; A PROPELLANT IN SAID HIGH TEMPERATURE CHAMBER; A COMPACT BODY OF POROUS CHEMICAL COOLANT IN SAID LOW TEMPERATURE CHAMBER, SAID COOLANT BEING ENDOTHERMICALLY REACTABLE WITH THE COMBUSTION GASES OF SAID PROPELLANT TO PRODUCE AT LEAST ONE GASEOUS PRODUCT; AND PISTON MEANS DEFINING AN ORIFICE THERETHROUGH SEPARATING SAID CHAMBERS, SAID PISTON MEANS CONTACTING SAID BODY OF COOLANT AND MOVABLE IN THE DIRECTION OF SAID DISCHARGE PORT UNDER THE PRESSURE OF SAID PROPELLANT COMBUSTION GASES WHEREBY A DIMINISHING BODY OF SAID COOLANT MAY BE MAINTAINED CONSTANTLY IN A COMPACTED CONDITION AS SAID COOLANT REACTS WITH SAID PROPELLANT COMBUSTION GASES.
Claim 2
Dependent Claim
144 words
A PROPELLANT GAS GENERATOR INCLUDING A CONTAINER DEFINING A HIGH TEMPERATURE CHAMBER AND A LOW TEMPERATURE CHAMBER, SAID CONTAINER HAVING ONE CLOSED END DEFINING A GAS DISCHARGE PORT FROM SAID LOW TEMPERATURE CHAMBER AND ANOTHER CLOSED END CONTAINING PROPELLANT IGNITING MEANS EXTENDING INTO SAID HIGH TEMPERATURE CHAMBER; A PROPELLANT IN SAID HIGH TEMPERATURE CHAMBER; A COMPACT BODY OF POROUS CHEMICAL COOLANT IN SAID LOW TEMPERATURE CHAMBER, SAID COOLANT BEING ENDOTHERMICALLY REACTABLE WITH THE COMBUSTION GASES OF SAID PROPELLANT TO PRODUCE AT LEAST ONE GASEOUS PRODUCT; AND PISTON MEANS DEFINING AN ORIFICE THERETHROUGH SEPARATING SAID CHAMBERS, SAID PISTON MEANS CONTACTING SAID BODY OF COOLANT AND MOVABLE IN THE DIRECTION OF SAID DISCHARGE PORT UNDER THE PRESSURE OF SAID PROPELLANT COMBUSTION GASES WHEREBY A DIMINISHING BODY OF SAID COOLANT MAY BE MAINTAINED CONSTANTLY IN A COMPACTED CONDITION AS SAID COOLANT REACTS WITH SAID PROPELLANT COMBUSTION GASES.
References Cited (Backward Citations)
US2779281A
Cited
US2989381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |