US3078833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection control systems for internal combustion engines
Assignee: Individual
•
Filing: 1961-02-21
•
Granted: 1963-02-26
•
Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Whitehurst George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:26
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN ARRANGEMENT FOR INJECTING CONTROLLED QUANTITIES OF FUEL INTO THE AIR MANIFOLD OF AN INTERNAL COMBUSTION ENGINE, WHEREIN A PUMP IS ARRANGED TO INJECT FUEL INTO SAID AIR MANIFOLD VIA AT LEAST ONE NOZZLE ARRANGED IN THE WALL THEREOF, AND WHEREIN THE OUTPUT OF THE PUMP IS CONTROLLED IN ACCORDANCE WITH THE FULL LOAD REQUIREMENTS OF THE ENGINE, BY FIRST MEANS RESPONSIVE TO ENGINE SPEED AND BY SECOND MEANS RESPONSIVE TO A COMBINATION OF ENGINE SPEED AND THE PRESSURES OBTAINING IN THE MANIFOLD IN ACCORDANCE WITH THE PART LOAD REQUIREMENTS OF THE ENGINE, BOTH SAID MEANS BEING INTERDEPENDENT AND SO ARRANGED THAT, WHEN THE ENGINE IS OPERATING AT PART LOAD, THE PUMP OUTPUT IS CONTROLLED BY SAID FIRST AND SECOND MEANS, AND THAT, WHEN THE ENGINE IS OPERATING AT FULL LOAD, THE PUMP OUTPUT IS CONTROLLED BY SAID FIRST MEANS ONLY.
Claim 2
Dependent Claim
141 words
AN ARRANGEMENT FOR INJECTING CONTROLLED QUANTITIES OF FUEL INTO THE AIR MANIFOLD OF AN INTERNAL COMBUSTION ENGINE, WHEREIN A PUMP IS ARRANGED TO INJECT FUEL INTO SAID AIR MANIFOLD VIA AT LEAST ONE NOZZLE ARRANGED IN THE WALL THEREOF, AND WHEREIN THE OUTPUT OF THE PUMP IS CONTROLLED IN ACCORDANCE WITH THE FULL LOAD REQUIREMENTS OF THE ENGINE, BY FIRST MEANS RESPONSIVE TO ENGINE SPEED AND BY SECOND MEANS RESPONSIVE TO A COMBINATION OF ENGINE SPEED AND THE PRESSURES OBTAINING IN THE MANIFOLD IN ACCORDANCE WITH THE PART LOAD REQUIREMENTS OF THE ENGINE, BOTH SAID MEANS BEING INTERDEPENDENT AND SO ARRANGED THAT, WHEN THE ENGINE IS OPERATING AT PART LOAD, THE PUMP OUTPUT IS CONTROLLED BY SAID FIRST AND SECOND MEANS, AND THAT, WHEN THE ENGINE IS OPERATING AT FULL LOAD, THE PUMP OUTPUT IS CONTROLLED BY SAID FIRST MEANS ONLY.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |