US3285233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection systems
Assignee: Petrol Injection Ltd
•
Filing: 1965-08-10
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Granted: 1966-11-15
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Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jackson Harold Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:21
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/44; F02M69/08; F02M69/16; F02M69/18; F02M69/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A LOW PRESSURE CONTINUOUS FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, INCLUDING A FUEL CIRCULATION CONDUIT SYSTEM HAVING SUPPLYING AND RETURN BRANCHES; A PLURALITY OF OPEN AIR-ATOMISING INJECTION DEVICES, EACH OF SAIF INJECTOR DEVICES INCLUDING A CHAMBER COMMUNICATING WITH AN OPEN OUTLET ORIFICE; MEANS CONNECTING THE SAID SUPPLY BRANCH TO THE INJECTOR DEVICES FOR DELIVERY OF FUEL TO THE SAID CHAMBERS OF THE RESPECTIVE INJECTOR DEVICES; THE SAID FUEL CONDUIT SYSTEM INCLUDING FUEL METERING MEANS RESPONSIVE TO ENGINE OPERATING PARAMETERS INCLUDING ENGINE OPERATING SPEED AND ENGINE AIR INTAKE TO SUPPLY FUEL TO SAID INJECTOR DEVICES IN DEPENDENCE ON SAID OPERATING PARAMETERS; SAID FUEL METERING MEANS INCLUDING A FUEL PRESSURISING DEVICE ADAPTED TO BE DRIVEN BY SAID ENGINE TO PRESSURISE FUEL FLOW THROUGH SAID SUPPLY BRANCH IN DEPENDENCE ON ENGINE OPERATING SPEED, AND FUEL METERING VALVE MEANS THE POSITION OF WHICH IS DEPENDENT UPON SAID ENGINE AIR INTAKE PARAMETER, SAID FUEL PRESSURISING DEVICE AND FUEL METERING MEANS BEING ASSOCIATED TO CONJOINTLY METER THE FLOW OF FUEL TO SAID INJECTOR DEVICES IN
Claim 2
Dependent Claim
171 words
A LOW PRESSURE CONTINUOUS FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, INCLUDING A FUEL CIRCULATION CONDUIT SYSTEM HAVING SUPPLYING AND RETURN BRANCHES; A PLURALITY OF OPEN AIR-ATOMISING INJECTION DEVICES, EACH OF SAIF INJECTOR DEVICES INCLUDING A CHAMBER COMMUNICATING WITH AN OPEN OUTLET ORIFICE; MEANS CONNECTING THE SAID SUPPLY BRANCH TO THE INJECTOR DEVICES FOR DELIVERY OF FUEL TO THE SAID CHAMBERS OF THE RESPECTIVE INJECTOR DEVICES; THE SAID FUEL CONDUIT SYSTEM INCLUDING FUEL METERING MEANS RESPONSIVE TO ENGINE OPERATING PARAMETERS INCLUDING ENGINE OPERATING SPEED AND ENGINE AIR INTAKE TO SUPPLY FUEL TO SAID INJECTOR DEVICES IN DEPENDENCE ON SAID OPERATING PARAMETERS; SAID FUEL METERING MEANS INCLUDING A FUEL PRESSURISING DEVICE ADAPTED TO BE DRIVEN BY SAID ENGINE TO PRESSURISE FUEL FLOW THROUGH SAID SUPPLY BRANCH IN DEPENDENCE ON ENGINE OPERATING SPEED, AND FUEL METERING VALVE MEANS THE POSITION OF WHICH IS DEPENDENT UPON SAID ENGINE AIR INTAKE PARAMETER, SAID FUEL PRESSURISING DEVICE AND FUEL METERING MEANS BEING ASSOCIATED TO CONJOINTLY METER THE FLOW OF FUEL TO SAID INJECTOR DEVICES IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |