US2845334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for testing fuels
Assignee: Phillips Petroleum Co
•
Filing: 1954-12-17
•
Granted: 1958-07-29
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert L Brace
- 👤 Robert M Schirmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:16
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/2829; Y; Y10; Y10T; Y10T436/00; Y10T436/21; Y10T436/218; Y10T436/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF DETERMINING THE COMBUSTION CLEANLINESS OF A CARBON CONTAINING FUEL WHICH COMPRISES SPRAYING FROM A NOZZLE THE FUEL TO BE TESTED INTO A COMBUSTION ZONE THROUGH A TUBE OF SUBSTANTIALLY GREATER INTERNAL DIAMETER THAN THAT OF SAID NOZZLE, WHICH TUBE IS POSITIONED AT LEAST IN PART IN THE COMBUSTION ZONE, DIRECTING A GASEOUS OXIDANT INTO THE COMBUSTION ZONE, INITIATING COMBUSTION IN THE COMBUSTION ZONE, CONTINUING TO DIRECT SAID FUEL AND OXIDANT INTO SAID COMBUSTION ZONE FOR A PREDETERMINED TIME UNDER CARBON DEPOSITING INCOMPLETE COMBUSTION CONDITIONS, REMOVING THE TUBE FROM THE COMBUSTION CHAMBER AND NOZZLE, AND THEREAFTER WEIGHING SAID TUBE WHEREBY THE WEIGHT OF THE RESULTING CARBON DEPOSIT MAY BE DETERMINED.
Claim 2
Independent Claim
112 words
THE METHOD OF DETERMINING THE COMBUSTION CLEANLINESS OF A CARBON CONTAINING FUEL WHICH COMPRISES SPRAYING FROM A NOZZLE THE FUEL TO BE TESTED INTO A COMBUSTION ZONE THROUGH A TUBE OF SUBSTANTIALLY GREATER INTERNAL DIAMETER THAN THAT OF SAID NOZZLE, WHICH TUBE IS POSITIONED AT LEAST IN PART IN THE COMBUSTION ZONE, DIRECTING A GASEOUS OXIDANT INTO THE COMBUSTION ZONE, INITIATING COMBUSTION IN THE COMBUSTION ZONE, CONTINUING TO DIRECT SAID FUEL AND OXIDANT INTO SAID COMBUSTION ZONE FOR A PREDETERMINED TIME UNDER CARBON DEPOSITING INCOMPLETE COMBUSTION CONDITIONS, REMOVING THE TUBE FROM THE COMBUSTION CHAMBER AND NOZZLE, AND THEREAFTER WEIGHING SAID TUBE WHEREBY THE WEIGHT OF THE RESULTING CARBON DEPOSIT MAY BE DETERMINED.
References Cited (Backward Citations)
US2169487A
Cited
US2486080A
Cited
US2485207A
Cited
US2518364A
Cited
US2577640A
Cited
US2689171A
Cited
US2669865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |