US2717827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporized fuel injection carburetor
Assignee: Individual
•
Filing: 1953-01-15
•
Granted: 1955-09-13
•
Expires: 1973-01-15
Abstract
No abstract record available.
Inventors
- 👤 Ethridge C Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:15
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A VAPORIZING CARBURETOR COMPRISING A CASING WITH A FUEL PRESSURE CHAMBER, MEANS FOR PUMPING FUEL TO THE CHAMBER, MEANS FOR MAINTAINING CONSTANT PRESSURE IN THE CHAMBER, A METERING CHAMBER ADJACENT THE PRESSURE CHAMBER AND A VALVE FOR ADMITTING FUEL FROM THE PRESSURE TO THE METERING CHAMBER, A BELLOWS CONNECTED AT ONE END OF THE VALVE, A VENTURI IN AN AIR STREAM FOR THE CARBURETOR, TUBULAR CONNECTING MEANS FROM THE VENTURI TO THE INTERIOR OF THE BELLOWS TO CONTROL THE MOVEMENT OF THE VALVE BY SUCTION PRESSURE DIFFERENTIAL FROM THE VENTURI, AND MEANS FOR DELIVERING FUEL FROM THE METERING CHAMBER TO THE AIR STREAM FOR THE CARBURETOR INCLUDING A SECOND-VALVE FOR ADMITTING FUEL FROM THE PRESSURE CHAMBER TO THE METERING CHAMBER, A SECOND BELLOWS CONNECTED AT ONE END TO THE SAID SECOND VALVE AND HAVING A TUBULAR CONNECTING MEANS AT ITS OTHER END TO THE SAME VENTURI AS THE FIRST BELLOWS, AND THERMOSTATIC MEANS BETWEEN THE SECOND METERING VALVE AND ITS BELLOWS FOR ADDITIONALLY CONTROLLING THE DELIVERY OF FUEL FROM THE METERING CHAMBER TO THE AIR STREAM.
Claim 2
Dependent Claim
176 words
A VAPORIZING CARBURETOR COMPRISING A CASING WITH A FUEL PRESSURE CHAMBER, MEANS FOR PUMPING FUEL TO THE CHAMBER, MEANS FOR MAINTAINING CONSTANT PRESSURE IN THE CHAMBER, A METERING CHAMBER ADJACENT THE PRESSURE CHAMBER AND A VALVE FOR ADMITTING FUEL FROM THE PRESSURE TO THE METERING CHAMBER, A BELLOWS CONNECTED AT ONE END OF THE VALVE, A VENTURI IN AN AIR STREAM FOR THE CARBURETOR, TUBULAR CONNECTING MEANS FROM THE VENTURI TO THE INTERIOR OF THE BELLOWS TO CONTROL THE MOVEMENT OF THE VALVE BY SUCTION PRESSURE DIFFERENTIAL FROM THE VENTURI, AND MEANS FOR DELIVERING FUEL FROM THE METERING CHAMBER TO THE AIR STREAM FOR THE CARBURETOR INCLUDING A SECOND-VALVE FOR ADMITTING FUEL FROM THE PRESSURE CHAMBER TO THE METERING CHAMBER, A SECOND BELLOWS CONNECTED AT ONE END TO THE SAID SECOND VALVE AND HAVING A TUBULAR CONNECTING MEANS AT ITS OTHER END TO THE SAME VENTURI AS THE FIRST BELLOWS, AND THERMOSTATIC MEANS BETWEEN THE SECOND METERING VALVE AND ITS BELLOWS FOR ADDITIONALLY CONTROLLING THE DELIVERY OF FUEL FROM THE METERING CHAMBER TO THE AIR STREAM.
References Cited (Backward Citations)
US1973162A
Cited
US2261446A
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US2440241A
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US2420079A
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US2668697A
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US2551719A
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US2585171A
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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) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |