US3150645A
Expired / Lapsed
US
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Method of operating a compressionignition engine
Assignee: Sinclair Research Inc
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Filing: 1961-06-02
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Granted: 1964-09-29
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Adolph V Mrstik
- 👤 James H Kirk
- 👤 Hobert D Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:45
CPC Classifications
F; F02; F02B; F02B47/00; F02B47/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A METHOD OF OPERATING A COMPRESSION-IGNITION ENGINE WHEREIN IS BURNED IN THE PRESENCE OF COMBUSTION AIR A DIESEL HYDROCARBON FUEL HAVING A SULFUR CONTENT OF AT LEAST ABOUT 1.25 WEIGHT PERCENT AND A CARBON RESIDUE NUMBER OF AT LEAST ABOUT 3.5, SAID DIESEL FUEL CONTAINING AT LEAST ABOUT 5% OF RESIDUAL, HYDROCARBON FUEL OIL THE STEP OF PROVIDING IN THE ENGINE COMBUSTION CHAMBERS AT THE TIME OF FUEL INJECTION A MIXTURE OF COMBUSTION AIR AND A VAPOROUS NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND LOW MOLECULAR WEIGHT ALKYL AMINES IN AN AMOUNT SUFFICIENT TO REDUCE PISTON RING WEAR.
Claim 2
Dependent Claim
102 words
IN A METHOD OF OPERATING A COMPRESSION-IGNITION ENGINE WHEREIN IS BURNED IN THE PRESENCE OF COMBUSTION AIR A DIESEL HYDROCARBON FUEL HAVING A SULFUR CONTENT OF AT LEAST ABOUT 1.25 WEIGHT PERCENT AND A CARBON RESIDUE NUMBER OF AT LEAST ABOUT 3.5, SAID DIESEL FUEL CONTAINING AT LEAST ABOUT 5% OF RESIDUAL, HYDROCARBON FUEL OIL THE STEP OF PROVIDING IN THE ENGINE COMBUSTION CHAMBERS AT THE TIME OF FUEL INJECTION A MIXTURE OF COMBUSTION AIR AND A VAPOROUS NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND LOW MOLECULAR WEIGHT ALKYL AMINES IN AN AMOUNT SUFFICIENT TO REDUCE PISTON RING WEAR.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |