US3149185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant air velocity carburetor
Assignee: Individual
•
Filing: 1961-07-03
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Granted: 1964-09-15
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Spranger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
F; F02; F02M; F02M9/00; F02M9/12; F02M9/127; F02M9/133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A CARBURETOR, THE COMBINATION OF AN AIR INLET PASSAGE AND A CONTROLLED AIR DELIVERY PASSAGE, AN AIR INLET PORT BETWEEN SAID PASSAGE, AMIXTURE DELIVERY PASSAGE, AND A MIXTURE CONTROLL PORT BETWEEN THE CONTROLLED AIR DELIVERY PASSAGE AND THE MIXTURE DELIVERY PASSAGE, INLET AND MIXTURE POPPET VALUES FOR SAID AIR INLET PORT AND SAID MIXTURE CONTROL PORT, RESPECTIVELY,SAID PORTS AND SAID POPPET VALVES BEING IN VERTICAL ALIGNMENT WITH EACH OTHER, A VERTICALLY MOVABLE STEM EXTENDING THROUGH THE AIR INLET PORT AND THROUGH THE MIXTURE CONTROL PORT, MEANS TO SECURE BOTH OF THE POPPET VALUES TO SAID STEM AT A FIXED DISTANCE BETWEEN SAID POPPET VALVES EQUAL TO THE VALVE SEATING DISANCE BETWEEN SAID AIR INLET PORT AND THE MIXTURE CONTROL PORT, A LIQUID FUEL SUPPLY FOAT CHAMBER IN HORIZONTAL ALIGNMENT WITH THE MIXTURE DELIVERY PASSAGE, MEANS TO MOVE SAID STEM IN THE DIRECTION OF THE AXIAL ALIGNMENT OF THE PORTS BY EQUAL AMOUNTS, A MAIN LIIQUID FUEL SUPPLY CONDUIT HAVING ITS INLET END IN COMMUNICATION WITH THE
Claim 2
Dependent Claim
167 words
IN A CARBURETOR, THE COMBINATION OF AN AIR INLET PASSAGE AND A CONTROLLED AIR DELIVERY PASSAGE, AN AIR INLET PORT BETWEEN SAID PASSAGE, AMIXTURE DELIVERY PASSAGE, AND A MIXTURE CONTROLL PORT BETWEEN THE CONTROLLED AIR DELIVERY PASSAGE AND THE MIXTURE DELIVERY PASSAGE, INLET AND MIXTURE POPPET VALUES FOR SAID AIR INLET PORT AND SAID MIXTURE CONTROL PORT, RESPECTIVELY,SAID PORTS AND SAID POPPET VALVES BEING IN VERTICAL ALIGNMENT WITH EACH OTHER, A VERTICALLY MOVABLE STEM EXTENDING THROUGH THE AIR INLET PORT AND THROUGH THE MIXTURE CONTROL PORT, MEANS TO SECURE BOTH OF THE POPPET VALUES TO SAID STEM AT A FIXED DISTANCE BETWEEN SAID POPPET VALVES EQUAL TO THE VALVE SEATING DISANCE BETWEEN SAID AIR INLET PORT AND THE MIXTURE CONTROL PORT, A LIQUID FUEL SUPPLY FOAT CHAMBER IN HORIZONTAL ALIGNMENT WITH THE MIXTURE DELIVERY PASSAGE, MEANS TO MOVE SAID STEM IN THE DIRECTION OF THE AXIAL ALIGNMENT OF THE PORTS BY EQUAL AMOUNTS, A MAIN LIIQUID FUEL SUPPLY CONDUIT HAVING ITS INLET END IN COMMUNICATION WITH THE
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |