Patent US2897158A successfully refreshed from Google Patents.
US2897158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generator
Assignee: Surface Combustion Corp
•
Filing: 1955-09-19
•
Granted: 1959-07-28
•
Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Charles W Sanzenbacher
- 👤 Huebler Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:29
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C21D1/763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A GAS GENERATOR CONTAINING A CATALYST A METHOD OF OPERATION, UNDER CONDITIONS WHICH WILL NOT OVERHEAT SAID CATALYST, WHICH INCLUDES THE STEPS OF FORMING A SUBSTANTIALLY STOICHIOMETRIC AIR-FUEL MIXTURE, IGNITING SAID MIXTURE, SUBSTANTIALLY COMPLETING COMBUSTION OF THE IGNITED MIXTURE, IN A COMBUSTION CHAMBER TO FORM COMBUSTION PRODUCTS PASSING THE PRODUCTS THROUGH A CATALYST, COOLING THE PRODUCTS, CONTINUOUSLY RECIRCULATING A PORTION OF THE PRODUCTS TO THE COMBUSTION CHAMBER AND BLENDING THEM WITH INITIALLY GENERATED PRODUCTS AFTER SUBSTANTIAL COMBUSTION OF SAID AIR-FUEL MIXTURE BUT BEFORE PASSING SAID PRODUCTS THROUGH THE CATALYST, WHEREBY COMPLETE COMBUSTION OF THE AIR-FUEL MIXTURE IS OBTAINED WHILE MAINTAINING THE TEMPERATURES OF THE CATALYST BELOW 2200* F.
Claim 2
Dependent Claim
109 words
IN A GAS GENERATOR CONTAINING A CATALYST A METHOD OF OPERATION, UNDER CONDITIONS WHICH WILL NOT OVERHEAT SAID CATALYST, WHICH INCLUDES THE STEPS OF FORMING A SUBSTANTIALLY STOICHIOMETRIC AIR-FUEL MIXTURE, IGNITING SAID MIXTURE, SUBSTANTIALLY COMPLETING COMBUSTION OF THE IGNITED MIXTURE, IN A COMBUSTION CHAMBER TO FORM COMBUSTION PRODUCTS PASSING THE PRODUCTS THROUGH A CATALYST, COOLING THE PRODUCTS, CONTINUOUSLY RECIRCULATING A PORTION OF THE PRODUCTS TO THE COMBUSTION CHAMBER AND BLENDING THEM WITH INITIALLY GENERATED PRODUCTS AFTER SUBSTANTIAL COMBUSTION OF SAID AIR-FUEL MIXTURE BUT BEFORE PASSING SAID PRODUCTS THROUGH THE CATALYST, WHEREBY COMPLETE COMBUSTION OF THE AIR-FUEL MIXTURE IS OBTAINED WHILE MAINTAINING THE TEMPERATURES OF THE CATALYST BELOW 2200* F.
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) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |