US3120218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knock suppressant
Assignee: Phillips Petroleum Co
•
Filing: 1961-12-01
•
Granted: 1964-02-04
•
Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Henry E Alquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:57
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/08; F02B77/085; F02D; F02D19/00; F02D19/02; F02D19/021; F02D19/023; F02D19/06; F02D19/08; F02D19/081; F02D25/00; F02D41/00; F02D41/0025; F02D41/0027; F02D41/02; F02D41/14; F02D41/1438; F02D41/1473; F02D41/1475; F02P; F02P5/00; F02P5/04; F02P5/045; F02P5/05; F02D2200/00; F02D2200/02; F02D2200/04; F02D2200/0414; F02D35/00; F02D35/02; F02D35/027; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE WHICH COMPRISES SUPPLYING A STREAM OF FUEL COMPRISING NATURAL GAS TO WHICH LIQUEFIED PETROLEUM GAS IS ADDED IN PREDETERMINED AMOUNTS AT PREDETERMINED OUTSIDE AIR TEMPERATURE TO SAID ENGINE, CONTINUOUSLY DETERMING THE OUTSIDE AIR TEMPERATURE UNAFFECTED BY ENGINE, OPERATION, AND CONTROLLING THE FUEL-AIR RATIO SUPPLIED TO SAID ENGINE IN RESPONSE TO SAID MEASURED TEMPERATURE TO REDUCE THE TENDENCY FOR ENGINE KNOCKING.
Claim 2
Independent Claim
68 words
A METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE WHICH COMPRISES SUPPLYING A STREAM OF FUEL COMPRISING NATURAL GAS TO WHICH LIQUEFIED PETROLEUM GAS IS ADDED IN PREDETERMINED AMOUNTS AT PREDETERMINED OUTSIDE AIR TEMPERATURE TO SAID ENGINE, CONTINUOUSLY DETERMING THE OUTSIDE AIR TEMPERATURE UNAFFECTED BY ENGINE, OPERATION, AND CONTROLLING THE FUEL-AIR RATIO SUPPLIED TO SAID ENGINE IN RESPONSE TO SAID MEASURED TEMPERATURE TO REDUCE THE TENDENCY FOR ENGINE KNOCKING.
References Cited (Backward Citations)
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Cited
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US2670724A
Cited
US2739577A
Cited
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Cited
US3016886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |