Patent US3168084A successfully refreshed from Google Patents.
US3168084A
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Tachometric carburettors
Assignee: Societe du Carburateur Zenith SA
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Filing: 1963-02-20
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Granted: 1965-02-02
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Simonet Jocelyn Elie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:45
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/16; F02M69/18; F02M69/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A TACHOMETRIC CARBURETTOR FOR INTERNAL COMBUSTION ENGINES COMPRISING IN COMBINATION MEANS FOR DIVIDING A FLOW OF FUEL DELIVERED BY A VOLUMETRIC PUMP DRIVEN AT A SPEED PROPORTIONAL TO THAT OF THE ENGINE INTO TWO STREAMS THROUGH TWO CALIBRATED PASSAGE MEANS, DUCT MEANS FOR SUPPLYING ONE OF SAID STREAMS TO THE ENGINE, DUCT MEANS FOR RETURNING THE OTHER STREAM TO THE SUCTION SIDE OF THE PUMP, MEANS FOR EQUALISING THE PRESSURES OF THE FUEL DOWNSTREAM OF SAID CALIBRATED PASSAGE MEANS, CONTROL MEANS FOR MODIFYING THE RELATIVE USEFUL CROSS-SECTIONS OF SAID CALIBRATED PASSAGE MEANS, AND MEANS RESPONSIVE TO BOTH THE INLET PRESSURE OF THE ENGINE AND THE ENGINE SPEED FOR ACTUATING SAID CONTROL MEANS.
Claim 2
Dependent Claim
112 words
A TACHOMETRIC CARBURETTOR FOR INTERNAL COMBUSTION ENGINES COMPRISING IN COMBINATION MEANS FOR DIVIDING A FLOW OF FUEL DELIVERED BY A VOLUMETRIC PUMP DRIVEN AT A SPEED PROPORTIONAL TO THAT OF THE ENGINE INTO TWO STREAMS THROUGH TWO CALIBRATED PASSAGE MEANS, DUCT MEANS FOR SUPPLYING ONE OF SAID STREAMS TO THE ENGINE, DUCT MEANS FOR RETURNING THE OTHER STREAM TO THE SUCTION SIDE OF THE PUMP, MEANS FOR EQUALISING THE PRESSURES OF THE FUEL DOWNSTREAM OF SAID CALIBRATED PASSAGE MEANS, CONTROL MEANS FOR MODIFYING THE RELATIVE USEFUL CROSS-SECTIONS OF SAID CALIBRATED PASSAGE MEANS, AND MEANS RESPONSIVE TO BOTH THE INLET PRESSURE OF THE ENGINE AND THE ENGINE SPEED FOR ACTUATING SAID CONTROL MEANS.
References Cited (Backward Citations)
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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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |