Patent US3144857A successfully refreshed from Google Patents.
US3144857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel engine operation
Assignee: Ethyl Corp
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Filing: 1961-10-27
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Granted: 1964-08-18
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Howard E Hesselberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:57
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A METHOD OF OPERATING A COMPRESSION IGNITION ENGINE ESPECIALLY ADAPTED TO INCREASE THE AVAILABLE HORSEPOWER WHICH COMPRISES THE STEPS OF: (1) INTRODUCING INTO THE COMBUSTION CHAMBER OF A COMPRESSION IGNITION ENGINE A GASEOUS FUEL AND AIR TO FORM A COMBUSTIBLE MIXTURE, (2) COMPRESSING SAID MIXTURE TO FROM ABOUT 1/12 TO ABOUT 1/22 OF ITS ORIGINAL VOLUME SO AS TO RAISE THE TEMPERATURE OF SAID MIXTURE TO A LEVELSUFFICIENT TO IGNITE DIESEL FUEL, (3) INJECTING INTO THE COMBUSTION CHAMBER, A PILOT CHARGE SO S TO INITIATE COMBUSTION OF THE TOTAL MIXTURE; THE WEIGHT RATIO OF SAID PILOT CHARGE TO SAID GASEOUS FUEL BEING FROM ABOUT 0.01:1 TO ABOUT 1:1, SAID PILOT CHARGE BEING CHARACTERIZED BY CONSISTING ESSENTIALLY OF DIESELFUEL CONTAINING FROM ABOUT 1.0 TO ABOUT 15 GRAMS PER GALLON OF METAL HAVING AN ATOMIC NUMBER OF 25 TO 28 AS A HYDROCARBON SOLUBLE, CARBON-CONTAINING COMPOUND HAVING THE METAL ATOM COORDINATED TO THE ORGANIC PORTION OF THE MOLECULE BY A PLURALITY OF METAL-TO-CARBON BONDS.
Claim 2
Independent Claim
162 words
A METHOD OF OPERATING A COMPRESSION IGNITION ENGINE ESPECIALLY ADAPTED TO INCREASE THE AVAILABLE HORSEPOWER WHICH COMPRISES THE STEPS OF: (1) INTRODUCING INTO THE COMBUSTION CHAMBER OF A COMPRESSION IGNITION ENGINE A GASEOUS FUEL AND AIR TO FORM A COMBUSTIBLE MIXTURE, (2) COMPRESSING SAID MIXTURE TO FROM ABOUT 1/12 TO ABOUT 1/22 OF ITS ORIGINAL VOLUME SO AS TO RAISE THE TEMPERATURE OF SAID MIXTURE TO A LEVELSUFFICIENT TO IGNITE DIESEL FUEL, (3) INJECTING INTO THE COMBUSTION CHAMBER, A PILOT CHARGE SO S TO INITIATE COMBUSTION OF THE TOTAL MIXTURE; THE WEIGHT RATIO OF SAID PILOT CHARGE TO SAID GASEOUS FUEL BEING FROM ABOUT 0.01:1 TO ABOUT 1:1, SAID PILOT CHARGE BEING CHARACTERIZED BY CONSISTING ESSENTIALLY OF DIESELFUEL CONTAINING FROM ABOUT 1.0 TO ABOUT 15 GRAMS PER GALLON OF METAL HAVING AN ATOMIC NUMBER OF 25 TO 28 AS A HYDROCARBON SOLUBLE, CARBON-CONTAINING COMPOUND HAVING THE METAL ATOM COORDINATED TO THE ORGANIC PORTION OF THE MOLECULE BY A PLURALITY OF METAL-TO-CARBON BONDS.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |