US3329413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Honda Gijutsu Kenkyusho KK
•
Filing: 1965-10-13
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Granted: 1967-07-04
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Date Tasuku
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/12; F02M7/14; F02M7/16; F02M7/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN SU TYPE CARBURETOR, INCLUDING, AN AIR INTAKE DUCT, FLOAT CHAMBER MEANS SECURED TO SAID DUCT, SAID FLOAT CHAMBER MEANS HAVING A MAIN DELIVERY ORIFICE AND A SLOW-SPEED DELIVERY ORIFICE, SLIDE VALVE MEANS EXTENDING INTO SAID INTAKE DUCT OPPOSITE TO THE MAIN DELIVERY ORIFICE, SAID SLIDE VALVE BEING OF SUCH LENGTH AND POSITIONING THAT IT CANNOT SEAT ON SAID MAIN DELIVERY ORIFICE WHEREBY A SUBSTANTIAL AIR PASSAGE REMAINS BETWEEN THE MAIN DELIVERY ORIFICE AND THE SLIDE VALVE WHEN THE SLIDE VALVE IS IN ITS FULLY EXTENDED POSITION, SAID SLIDE VALVE MEANS INCLUDING, A CYLINDER, A PISTON SLIDABLY RECEIVED BY SAID CYLINDER, NEEDLE MEANS SECURED TO AND EXTENDING FROM SAID PISTON MEANS, AND COMPRESSION SPRING MEANS ACTING TO FORCE SAID PISTON DOWNWARDLY IN SAID CYLINDER WHEREIN SAID NEEDLE MEANS CARRIED BY SAID PISTON BLOCKS THE FLOW OF FUEL THROUGH THE MAIN DELIVERY ORIFICE.
Claim 2
Dependent Claim
142 words
AN SU TYPE CARBURETOR, INCLUDING, AN AIR INTAKE DUCT, FLOAT CHAMBER MEANS SECURED TO SAID DUCT, SAID FLOAT CHAMBER MEANS HAVING A MAIN DELIVERY ORIFICE AND A SLOW-SPEED DELIVERY ORIFICE, SLIDE VALVE MEANS EXTENDING INTO SAID INTAKE DUCT OPPOSITE TO THE MAIN DELIVERY ORIFICE, SAID SLIDE VALVE BEING OF SUCH LENGTH AND POSITIONING THAT IT CANNOT SEAT ON SAID MAIN DELIVERY ORIFICE WHEREBY A SUBSTANTIAL AIR PASSAGE REMAINS BETWEEN THE MAIN DELIVERY ORIFICE AND THE SLIDE VALVE WHEN THE SLIDE VALVE IS IN ITS FULLY EXTENDED POSITION, SAID SLIDE VALVE MEANS INCLUDING, A CYLINDER, A PISTON SLIDABLY RECEIVED BY SAID CYLINDER, NEEDLE MEANS SECURED TO AND EXTENDING FROM SAID PISTON MEANS, AND COMPRESSION SPRING MEANS ACTING TO FORCE SAID PISTON DOWNWARDLY IN SAID CYLINDER WHEREIN SAID NEEDLE MEANS CARRIED BY SAID PISTON BLOCKS THE FLOW OF FUEL THROUGH THE MAIN DELIVERY ORIFICE.
References Cited (Backward Citations)
GB201967A
Cited
GB197237A
Cited
US1822712A
Cited
GB660311A
Cited
FR1095875A
Cited
US2988345A
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US3243167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |