Patent US3185452A successfully refreshed from Google Patents.
US3185452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetors working by continuous injection of fuel into the intake pipe of an internal combustion engine
Assignee: Societe Industrielle de Brevets et dEtudes SIBE
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Filing: 1961-01-24
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Granted: 1965-05-25
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Mennesson Andre Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:21
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/16; F02M69/18; F02M69/20; F02M69/30; F02M69/36; F02M69/40; F02M69/46; F02M69/467
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CARBURETOR WHICH COMPRISES, IN COMBINATION, AN INTAKE PIPE PROVIDED WITH A FUEL INJECTION ORIFICE, AIR FEED MEANS FORMING TWO AIR PASSAGES OPENING BOTH INTO SAID PIPE UPSTREAM OF SAID ORIFICE, A MAIN ONE AND AN AUXILLIARY ONE, MAIN THROTTLE MEANS IN SAID MAIN PASSAGE TO CONTROL THE FLOW OF AIR THERETHROUGH, AUXILIARY THROTTLE MEANS IN SAID AUXILIARY PASSAGE TO CONTROL THE FLOW OF AIR THERETHROUGH, MEANS FOR OPERATIVELY CONNECTING SAID RESPECTIVE THROTTLE MEANS WITH EACH OTHER, A MAIN VENTURI MOUNTED IN SAID AIR FEED MEANS UPSTREAM OF SAID MAIN THROTTLE MEANS, AN AUXILIARY VENTURI MOUNTED IN SAID AUXILIARY PASSAGE, SAID AUXILIARY VENTURI BEING OF SMALLER CROSSSECTIONAL AREA THAN SAID MAIN VENTURI, A FUEL PRESSURE REDUCING DEVICE COMPRISING AN INLET CONDUIT, AN OUTPUT CONDUIT, A FUEL FLOW CONTROL VALVE INTERPOSED BETWEEN SAID INLET AND OUTPUT CONDUITS FOR VARYING THE FUEL PRESSURE IN SAID OUTPUT CONDUIT AND A SINGLE DIAPHRAGM MEANS OPERA-
Claim 2
Dependent Claim
151 words
A CARBURETOR WHICH COMPRISES, IN COMBINATION, AN INTAKE PIPE PROVIDED WITH A FUEL INJECTION ORIFICE, AIR FEED MEANS FORMING TWO AIR PASSAGES OPENING BOTH INTO SAID PIPE UPSTREAM OF SAID ORIFICE, A MAIN ONE AND AN AUXILLIARY ONE, MAIN THROTTLE MEANS IN SAID MAIN PASSAGE TO CONTROL THE FLOW OF AIR THERETHROUGH, AUXILIARY THROTTLE MEANS IN SAID AUXILIARY PASSAGE TO CONTROL THE FLOW OF AIR THERETHROUGH, MEANS FOR OPERATIVELY CONNECTING SAID RESPECTIVE THROTTLE MEANS WITH EACH OTHER, A MAIN VENTURI MOUNTED IN SAID AIR FEED MEANS UPSTREAM OF SAID MAIN THROTTLE MEANS, AN AUXILIARY VENTURI MOUNTED IN SAID AUXILIARY PASSAGE, SAID AUXILIARY VENTURI BEING OF SMALLER CROSSSECTIONAL AREA THAN SAID MAIN VENTURI, A FUEL PRESSURE REDUCING DEVICE COMPRISING AN INLET CONDUIT, AN OUTPUT CONDUIT, A FUEL FLOW CONTROL VALVE INTERPOSED BETWEEN SAID INLET AND OUTPUT CONDUITS FOR VARYING THE FUEL PRESSURE IN SAID OUTPUT CONDUIT AND A SINGLE DIAPHRAGM MEANS OPERA-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |