US3224425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system, carburetor and method
Assignee: Individual
•
Filing: 1962-02-20
•
Granted: 1965-12-21
•
Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Michael A Arpaia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:28
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/02; F02M1/00; F02M1/08; F02M1/10; F02M23/00; F02M25/00; F02M3/00; F02M7/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THAT IMPROVED METHOD OF FORMING AND CONTROLLING A COMBUSTIBLE MIXTURE ENROUTE TO THE CYLINDERS OF AN INTERNAL COMBUSTION ENGINE THROUGH AN INTAKE MANIFOLD PASSAGE IN COMMUNICATION WITH THE ATMOSPHERE, SAID METHOD COMPRISING PROVIDING A SOURCE OF FUEL UNDER PREDETERMINED SUPER-ATMOSPHERIC PRESSURE, ADMITTING A METERED QUANTITY OF PRESSURIZED FUEL FROM SAID SOURCE INTO PRIMARY AIR UNDER CONDITIONS EFFECTIVE TO VAPORIZE LIQUID CONSTITUENTS OF THE FUEL AND TO MIX THE SAME WITH THE PRIMARY AIR, JETTING SAID MIXTURE OF FUEL AND PRIMARY AIR INTO A STREAM OF SECONDARY AIR WHILE THE LATTER IS ENROUTE THROUGH SIAD MANIFOLD PASSAGE, UTILIZING MANIFOLD PRESSURE CONDITIONS TO CUT-OFF ALL FLOW OF FUEL UNDER CERTAIN ENGINE OPERATING CONDITIONS, AND MANUALLY INITIATING AND REGULATING THE METERING OF PRESSURIZED FUEL UNDER ENGINE IDLING AND POWER DEMAND OPERATING CONDITIONS.
Claim 2
Dependent Claim
129 words
THAT IMPROVED METHOD OF FORMING AND CONTROLLING A COMBUSTIBLE MIXTURE ENROUTE TO THE CYLINDERS OF AN INTERNAL COMBUSTION ENGINE THROUGH AN INTAKE MANIFOLD PASSAGE IN COMMUNICATION WITH THE ATMOSPHERE, SAID METHOD COMPRISING PROVIDING A SOURCE OF FUEL UNDER PREDETERMINED SUPER-ATMOSPHERIC PRESSURE, ADMITTING A METERED QUANTITY OF PRESSURIZED FUEL FROM SAID SOURCE INTO PRIMARY AIR UNDER CONDITIONS EFFECTIVE TO VAPORIZE LIQUID CONSTITUENTS OF THE FUEL AND TO MIX THE SAME WITH THE PRIMARY AIR, JETTING SAID MIXTURE OF FUEL AND PRIMARY AIR INTO A STREAM OF SECONDARY AIR WHILE THE LATTER IS ENROUTE THROUGH SIAD MANIFOLD PASSAGE, UTILIZING MANIFOLD PRESSURE CONDITIONS TO CUT-OFF ALL FLOW OF FUEL UNDER CERTAIN ENGINE OPERATING CONDITIONS, AND MANUALLY INITIATING AND REGULATING THE METERING OF PRESSURIZED FUEL UNDER ENGINE IDLING AND POWER DEMAND OPERATING CONDITIONS.
References Cited (Backward Citations)
US1243479A
Cited
US2047743A
Cited
US1883097A
Cited
US2189219A
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US2071116A
Cited
US2687710A
Cited
US2665891A
Cited
US2785669A
Cited
US2877997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |