US3119381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-supply system
Assignee: Individual
•
Filing: 1962-01-04
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Granted: 1964-01-28
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Expires: 1982-01-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Clessie Lyle Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:27
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/34; F02D; F02D1/00; F02D1/02; F02M41/00; F02M41/16; F02M69/00; F02M69/46; F02M69/50; F02M2700/00; F02M2700/05; F02M2700/055; F02M2700/13; F02M2700/1317; F02M2700/1358
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A FUEL SYSTEM FOR USE WITH A COMPRESSION IGNITION ENGINE HAVING FUEL INJECTORS, SAID SYSTEM HAVING A HOUSING WITH A BORE HAVING FIXED STOPS, A SHUTTLE PISTON IN SAID BORE, WITH ITS ENDS DEFINING FIRST AND SECOND PORTED CHAMBERS, ONE IN EACH END OF SAID BORE BETWEEN SAID PISTON AND SAID FIXED STOPS, MEANS FOR CHARGING FUEL UNDER PRESSURE FROM A FUEL SOURCE TO EACH SAID CHAMBER ALTERNATELY, THEREBY TO MOVE SAID SHUTTLE PISTON A FIXED STROKE AND DISCHARGE FUEL FROM THE OPPOSITE CHAMBER, AND CONDUIT MEANS FOR CONNECTING EACH SAID CHAMBER OF DISCHARGE TO A FUEL INJECTOR ON THE ENGINE, THE COMBINATION THEREWITH OF: SPEED-RESPONSIVE MEANS IN SAID CONDUIT MEANS FOR REDUCING THE AMOUNT OF FUEL DELIVERED TO SAID FUEL INJECTOR AT PREDETERMINED ENGINE SPEEDS BY SAID SHUTTLE PISTON AT DISCHARGE, WITHOUT AFFECTING THE FIXED STROKE OF SAID SHUTTLE PISTON.
Claim 2
Dependent Claim
142 words
IN A FUEL SYSTEM FOR USE WITH A COMPRESSION IGNITION ENGINE HAVING FUEL INJECTORS, SAID SYSTEM HAVING A HOUSING WITH A BORE HAVING FIXED STOPS, A SHUTTLE PISTON IN SAID BORE, WITH ITS ENDS DEFINING FIRST AND SECOND PORTED CHAMBERS, ONE IN EACH END OF SAID BORE BETWEEN SAID PISTON AND SAID FIXED STOPS, MEANS FOR CHARGING FUEL UNDER PRESSURE FROM A FUEL SOURCE TO EACH SAID CHAMBER ALTERNATELY, THEREBY TO MOVE SAID SHUTTLE PISTON A FIXED STROKE AND DISCHARGE FUEL FROM THE OPPOSITE CHAMBER, AND CONDUIT MEANS FOR CONNECTING EACH SAID CHAMBER OF DISCHARGE TO A FUEL INJECTOR ON THE ENGINE, THE COMBINATION THEREWITH OF: SPEED-RESPONSIVE MEANS IN SAID CONDUIT MEANS FOR REDUCING THE AMOUNT OF FUEL DELIVERED TO SAID FUEL INJECTOR AT PREDETERMINED ENGINE SPEEDS BY SAID SHUTTLE PISTON AT DISCHARGE, WITHOUT AFFECTING THE FIXED STROKE OF SAID SHUTTLE PISTON.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |