US3291464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor having adjustable precision fuel metering means
Assignee: Individual
•
Filing: 1964-11-27
•
Granted: 1966-12-13
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Rudolph L Hammerschmidt
- 👤 Billie R Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:25
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/04; F02M1/046; F02M15/00; F02M15/02; F02M15/04; F02M3/00; F02M3/02; F02M3/04; F02M3/055; F02M5/00; F02M5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A CARBURETOR OF THE CLASS IN WHICH FUEL IS TRANSMITTED TO THE BARREL THROUGH A PASSAGE WITHIN THE THROTTLE SHAFT WHICH EXTENDS THEREINTO, THE COMBUSTION COMPRISING MEANS DEFINING A FUEL CHAMBER ADJACENT SAID BARREL, AN ARM ATTACHED TO SAID THROTTLE SHAFT AND HAVING A FREE END EXTENDING INTO THE FUEL VOLUME WITHIN SAID CHAMBER, SAID ARM BEING PIVOTABLE UPON ROTATION OF SAID THROTTLE SHAFT AND HAVING A FUEL PASSAGE CONNECTING AN AXIAL OPENING AT SAID FREE END OF SAID ARM WITH SAID FUEL PASSAGE OF SAID THROTTLE SHAFT, AND AN ADJUSTABLE CURVED METERING BAR DISPOSED ADJACENT THE CURVED PATH TRAVELLED BY SAID OPENING OF SAID ARM AS SAID ARM PIVOTS, MEANS VARIABLY SPACING AND ADJUSTING SAID BAR FROM SAID OPENING AT DIFFERENT POSITIONS OF SAID ARM TO VARY THE EFFECTIVE SIZE OF THE FUEL PASSAGE THERETHROUGH AT SAID DIFFERENT POSITIONS OF SAID ARM.
Claim 2
Dependent Claim
144 words
IN A CARBURETOR OF THE CLASS IN WHICH FUEL IS TRANSMITTED TO THE BARREL THROUGH A PASSAGE WITHIN THE THROTTLE SHAFT WHICH EXTENDS THEREINTO, THE COMBUSTION COMPRISING MEANS DEFINING A FUEL CHAMBER ADJACENT SAID BARREL, AN ARM ATTACHED TO SAID THROTTLE SHAFT AND HAVING A FREE END EXTENDING INTO THE FUEL VOLUME WITHIN SAID CHAMBER, SAID ARM BEING PIVOTABLE UPON ROTATION OF SAID THROTTLE SHAFT AND HAVING A FUEL PASSAGE CONNECTING AN AXIAL OPENING AT SAID FREE END OF SAID ARM WITH SAID FUEL PASSAGE OF SAID THROTTLE SHAFT, AND AN ADJUSTABLE CURVED METERING BAR DISPOSED ADJACENT THE CURVED PATH TRAVELLED BY SAID OPENING OF SAID ARM AS SAID ARM PIVOTS, MEANS VARIABLY SPACING AND ADJUSTING SAID BAR FROM SAID OPENING AT DIFFERENT POSITIONS OF SAID ARM TO VARY THE EFFECTIVE SIZE OF THE FUEL PASSAGE THERETHROUGH AT SAID DIFFERENT POSITIONS OF SAID ARM.
References Cited (Backward Citations)
US2236595A
Cited
US2223987A
Cited
US2094555A
Cited
US2190314A
Cited
US2801086A
Cited
US2895723A
Cited
US3017166A
Cited
US3128321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |