Oxygen generator
Abstract
Abstract A SOLID STATE, OXYGEN EVOLVING BODY IS ENCASED WITHIN A STABLE, SHAPE-SUSTAINING ENVELOPE SERVING AS A FILTER, INSULATOR AND COOLANT FOR THE BODY WHEN THE LATTER BURNS, THE BODY AND ENVELOPE FORMING A RECHARGING CANDLE UNIT FOR INSERTION AND WITHDRAWAL FROM A CANISTER. AN ELECTRICAL IGNITOR INCLUDING CONTACT RINGS MOUNTED ABOUT THE ENVELOPE AND AN IGNITION AREA IMBEDDED WITHIN THE CANDLE IN CONTACT WITH THE RINGS IN CARRIED BY THE RECHARGING UNIT AND AN IGNITOR ACTUATOR HAVING CONTACTS IS CARRIED BY THE CANISTER, THE CONTACTS AND CONTACT RINGS CONTACTING ONE ANOTHER IN ALL ANGULAR POSITIONS OF THE RECHARGEABLE UNIT RELATIVE TO THE CANISTER. IN A MODIFICATION, THE RECHARGEABLE UNITS ARE STACKED IN A SLEEVE HAVING CONTACTS SPACED THEREALONG AND ENGAGING THE CONTACTS OF THE INDIVIDUAL UNITS. A PRESSURE REGULATOR CONTROLS A STEPPING RELAY WHICH SEQUEN- TIALLY IGNITES THE UNITS. A RESERVOIR IS PROVIDED AROUND THE SLEEVE. A COOLING PATH FOR THE EVOLVED OXYGEN IS PROVIDED BETWEEN THE RESERVOIR AND AN OUTER CASING.
Inventors
- 👤 Robert M Bovard
Bibliographic Details
Claims Analysis
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |