US3310045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine fuel feeding system
Assignee: Ethyl Corp
•
Filing: 1965-03-30
•
Granted: 1967-03-21
•
Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bartholomew Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/08; F02D9/10; F02M; F02M13/00; F02M13/02; F02M3/00; F02M3/02; F02M3/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
A CARBURETION ASSEMBLY HAVING A PRIMARY CARBURETOR BARREL OF RELATIVELY SMALL CROSS-SECTIONAL AREA FOR LOW POWER OPERATION AND A SECONDARY FUEL MIXTURE SUPPLY SYSTEM HAVING THROAT MEANS WITH A RELATIVELY LARGE CROSSSECTIONAL AREA FOR HIGH POWER OPERATION, THE PRIMARY BARREL INCLUDING A VENTURI-METERED JET THAT PROVIDES ALL IDLE AS WELL AS OPERATING MIXTURE FOR THE LOW POWER OPERATIONS, SAID PRIMARY BARREL BEING PROVIDED WITH A THROTTLE VALVE THEREIN, AND THE CROSS-SECTIONAL AREAS OF THE PRIMARY AND SECONDARY SYSTEMS BEING SUCH THAT WHEN BOTH ARE WIDE OPEN THE PRIMARY SYSTEM SUPPLIES NOT MORE THAN ABOUT 14% OF THE TOTAL FUEL MIXTURE.
Claim 2
Dependent Claim
100 words
A CARBURETION ASSEMBLY HAVING A PRIMARY CARBURETOR BARREL OF RELATIVELY SMALL CROSS-SECTIONAL AREA FOR LOW POWER OPERATION AND A SECONDARY FUEL MIXTURE SUPPLY SYSTEM HAVING THROAT MEANS WITH A RELATIVELY LARGE CROSSSECTIONAL AREA FOR HIGH POWER OPERATION, THE PRIMARY BARREL INCLUDING A VENTURI-METERED JET THAT PROVIDES ALL IDLE AS WELL AS OPERATING MIXTURE FOR THE LOW POWER OPERATIONS, SAID PRIMARY BARREL BEING PROVIDED WITH A THROTTLE VALVE THEREIN, AND THE CROSS-SECTIONAL AREAS OF THE PRIMARY AND SECONDARY SYSTEMS BEING SUCH THAT WHEN BOTH ARE WIDE OPEN THE PRIMARY SYSTEM SUPPLIES NOT MORE THAN ABOUT 14% OF THE TOTAL FUEL MIXTURE.
Claim 3
Dependent Claim
81 words
A CARBURETOR HAVING A VENTURI JET THAT PROVIDES ALL THE FUEL FOR IDLE OPERATION, A BUTTERFLY THROTTLE VALVE DOWNSTREAM OF THE JET AND CONNECTED TO SEAT IN CLOSED POSITION AGAINST A THROTTLE BORE, THE VALVE BEING PERFORATED FOR PASSAGE OF IDLE FUEL THERETHROUGH, SAID BORE HAVING A POCKET SPANNING A SECTION OF ITS INTERIOR WHERE THE BUTTERFLY SEATS TO PROVIDE A BY-PASS AROUND THE THROTTLE VALVE, AND AN ADJUSTMENT MEMBER ADJUSTABLY POSITIONED IN SAID POCKET TO VARY THE AMOUNT OF BY-PASS.
Claim 4
Dependent Claim
81 words
A CARBURETOR HAVING A VENTURI JET THAT PROVIDES ALL THE FUEL FOR IDLE OPERATION, A BUTTERFLY THROTTLE VALVE DOWNSTREAM OF THE JET AND CONNECTED TO SEAT IN CLOSED POSITION AGAINST A THROTTLE BORE, THE VALVE BEING PERFORATED FOR PASSAGE OF IDLE FUEL THERETHROUGH, SAID BORE HAVING A POCKET SPANNING A SECTION OF ITS INTERIOR WHERE THE BUTTERFLY SEATS TO PROVIDE A BY-PASS AROUND THE THROTTLE VALVE, AND AN ADJUSTMENT MEMBER ADJUSTABLY POSITIONED IN SAID POCKET TO VARY THE AMOUNT OF BY-PASS.
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |