Patent US2655786A successfully refreshed from Google Patents.
US2655786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating jet engines with fuel reforming
Assignee: Phillips Petroleum Co
•
Filing: 1950-09-18
•
Granted: 1953-10-20
•
Expires: 1970-09-18
Abstract
No abstract record available.
Inventors
- 👤 Donald E Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:58
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/30; F23R3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN IMPROVED METHOD FOR OPERATING A JET ENGINE WHICH COMPRISES IN COMBINATION THE STEPS OF PASSING A HYDROCARBON FUEL PORTION TOGETHER WITH AIR IN AN AMOUNT LESS THAN THAT THEORETICALLY REQUIRED FOR COMPLETE COMBUSTION OF THAT FUEL PORTION THROUGH A REFORMER ZONE IN INDIRECT HEAT EXCHANGE WITH HOT GASES PASSING THROUGH SAID JET ENGINE AND UNDER SUCH CONDITIONS OF TEMPERATURE AS TO REFORM SAID HYDROCARBON FUEL TO FORM A FUEL MIXTURE CONSISTING ESSENTIALLY OF CARBON MONOXIDE AND HYDROGEN; INTRODUCING AN UNREFORMED FUEL PORTION INTO THE FORWARD PORTION OF A PRIMARY COMBUSTION ZONE OF SAID JET ENGINE; INTRODUCING SAID REFORMED FUEL MIXTURE INTO A GAS STREAM WITHIN A COMBUSTION ZONE IN SAID JET ENGINE; BURNING SAID UNREFORMED FUEL PORTION AND SAID FUEL MIXTURE IN THE PRESENCE OF AIR IN SAID JET ENGINE SO AS TO OBTAIN A SUFFICIENT TEMPERATURE RISE THROUGH SAID JET ENGINE TO PROVIDE MOTIVATING THRUST TO SAID JET ENGINE BY REARWARD EXHAUST OF HOT GASES THEREFROM.
Claim 2
Dependent Claim
158 words
AN IMPROVED METHOD FOR OPERATING A JET ENGINE WHICH COMPRISES IN COMBINATION THE STEPS OF PASSING A HYDROCARBON FUEL PORTION TOGETHER WITH AIR IN AN AMOUNT LESS THAN THAT THEORETICALLY REQUIRED FOR COMPLETE COMBUSTION OF THAT FUEL PORTION THROUGH A REFORMER ZONE IN INDIRECT HEAT EXCHANGE WITH HOT GASES PASSING THROUGH SAID JET ENGINE AND UNDER SUCH CONDITIONS OF TEMPERATURE AS TO REFORM SAID HYDROCARBON FUEL TO FORM A FUEL MIXTURE CONSISTING ESSENTIALLY OF CARBON MONOXIDE AND HYDROGEN; INTRODUCING AN UNREFORMED FUEL PORTION INTO THE FORWARD PORTION OF A PRIMARY COMBUSTION ZONE OF SAID JET ENGINE; INTRODUCING SAID REFORMED FUEL MIXTURE INTO A GAS STREAM WITHIN A COMBUSTION ZONE IN SAID JET ENGINE; BURNING SAID UNREFORMED FUEL PORTION AND SAID FUEL MIXTURE IN THE PRESENCE OF AIR IN SAID JET ENGINE SO AS TO OBTAIN A SUFFICIENT TEMPERATURE RISE THROUGH SAID JET ENGINE TO PROVIDE MOTIVATING THRUST TO SAID JET ENGINE BY REARWARD EXHAUST OF HOT GASES THEREFROM.
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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |