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US3146770A
Expired / Lapsed
US
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Regulator for injection pumps for carburettor engines
Assignee: Alfa Romeo SpA
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Filing: 1962-09-11
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Granted: 1964-09-01
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Garcea Gianpaolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:54
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; F02D1/025; F02D1/08; F02D1/10; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/18384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A REGULATOR FOR A CARBURETOR ENGINE INJECTION PUMP, COMPRISING A THREE-DIMENSIONAL CAM, A REGULATING ROD FOR THE PUMP, AN AIR INTAKE CONDUIT, A THROTTLE VALVE IN SAID CONDUIT, SAID CAM ACTING ON THE REGULATING ROD AND BEING ADJUSTABLE IN DEPENDENCE ON THE THROTTLE VALVE POSITION AND THE SPEED, A SENSING LEVER COOPERABLE WITH SAID CAM AND REGULATING ROD WHEREBY SAID CAM CONTROLS THE POSITION OF SAID REGULATING ROD, A SPEED INDICATING DEVICE, SAID CAM HAVING ITS AXIS PARALLEL TO THE AXIS OF SAID SPEEDINDICATING DEVICE AND BEING DISPLACEABLE ALONG ITS AXIS IN DEPENDENCE ON THE ENGINE SPEED AND BEING ROTATABLE ABOUT ITS AXIS IN DEPENDENCE ON THE POSITION OF THE THROTTLE VALVE, A KINEMATIC CONNECTION BETWEEN THE CAM AND THE SPEED INDICATING DEVICE INCLUDING A LEVER LINKAGE FOR INCREASING THE VALUE OF THE AXIAL DISPLACEMENT OF SAID CAM WITH RESPECT TO THAT OF THE SPEED-INDICATING DEVICE, AND A SECOND LEVER LINKAGE FOR KINEMATICALLY CONNECTING SAID CAM AND SAID THROTTLE VALVE, AND SAID SECOND LEVER LINKAGE BEING SO CONSTRUCTED AND DIMENSIONED THAT WHEN THE THROTTLE VALVE TURNS OUT OF THE MAXIMUM THROTTLING POSITION, LARGE ANGLES OF ROTATION OF THE CAM CORRESPOND TO SMALL ANGLES OF ROTATION OF THE THROTTLE VALVE AND WITH THIS TRANSMISSION RATIO
Claim 2
Dependent Claim
204 words
A REGULATOR FOR A CARBURETOR ENGINE INJECTION PUMP, COMPRISING A THREE-DIMENSIONAL CAM, A REGULATING ROD FOR THE PUMP, AN AIR INTAKE CONDUIT, A THROTTLE VALVE IN SAID CONDUIT, SAID CAM ACTING ON THE REGULATING ROD AND BEING ADJUSTABLE IN DEPENDENCE ON THE THROTTLE VALVE POSITION AND THE SPEED, A SENSING LEVER COOPERABLE WITH SAID CAM AND REGULATING ROD WHEREBY SAID CAM CONTROLS THE POSITION OF SAID REGULATING ROD, A SPEED INDICATING DEVICE, SAID CAM HAVING ITS AXIS PARALLEL TO THE AXIS OF SAID SPEEDINDICATING DEVICE AND BEING DISPLACEABLE ALONG ITS AXIS IN DEPENDENCE ON THE ENGINE SPEED AND BEING ROTATABLE ABOUT ITS AXIS IN DEPENDENCE ON THE POSITION OF THE THROTTLE VALVE, A KINEMATIC CONNECTION BETWEEN THE CAM AND THE SPEED INDICATING DEVICE INCLUDING A LEVER LINKAGE FOR INCREASING THE VALUE OF THE AXIAL DISPLACEMENT OF SAID CAM WITH RESPECT TO THAT OF THE SPEED-INDICATING DEVICE, AND A SECOND LEVER LINKAGE FOR KINEMATICALLY CONNECTING SAID CAM AND SAID THROTTLE VALVE, AND SAID SECOND LEVER LINKAGE BEING SO CONSTRUCTED AND DIMENSIONED THAT WHEN THE THROTTLE VALVE TURNS OUT OF THE MAXIMUM THROTTLING POSITION, LARGE ANGLES OF ROTATION OF THE CAM CORRESPOND TO SMALL ANGLES OF ROTATION OF THE THROTTLE VALVE AND WITH THIS TRANSMISSION RATIO
References Cited (Backward Citations)
GB811904A
Cited
FR1202171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |