US2952121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of filter plugging utilizing an improved jet engine fuel
Assignee: Phillips Petroleum Co
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Filing: 1955-09-26
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Granted: 1960-09-13
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Mitacek Bill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A METHOD OF OPERATING A JET ENGINE WHICH ENCOUNTERS SUBFREEZING TEMPERATURES, SAID ENGINE BEING EQUIPPED WITH A FUEL FILTER WHICH IS SUBJECT TO BECOMING PLUGGED AT SAID SUBFREEZING TEMPERATURES BY REASON OF THE PRESENCE OF WATER IN THE FUEL, THE IMPROVEMENT WHICH COMPRISES PASSING THROUGH SAID FILTER TO THE COMBUSTION ZONE OF SAID ENGINE A HYDROCARBON JET FUEL CONTAINING FROM 0.001 TO 3 VOLUME PERCENT OF A COMPOUND HAVING THE FORMULA R-O-(CH2-CH2-O)X-H WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND ETHYL AND X IS AN INTEGER OF 1 TO 4, AND BURNING SAID FUEL IN SAID COMBUSTION ZONE.
Claim 2
Dependent Claim
102 words
IN A METHOD OF OPERATING A JET ENGINE WHICH ENCOUNTERS SUBFREEZING TEMPERATURES, SAID ENGINE BEING EQUIPPED WITH A FUEL FILTER WHICH IS SUBJECT TO BECOMING PLUGGED AT SAID SUBFREEZING TEMPERATURES BY REASON OF THE PRESENCE OF WATER IN THE FUEL, THE IMPROVEMENT WHICH COMPRISES PASSING THROUGH SAID FILTER TO THE COMBUSTION ZONE OF SAID ENGINE A HYDROCARBON JET FUEL CONTAINING FROM 0.001 TO 3 VOLUME PERCENT OF A COMPOUND HAVING THE FORMULA R-O-(CH2-CH2-O)X-H WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND ETHYL AND X IS AN INTEGER OF 1 TO 4, AND BURNING SAID FUEL IN SAID COMBUSTION ZONE.
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |