US2977205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel economizer for internal combustion engines
Assignee: Individual
•
Filing: 1959-01-26
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Granted: 1961-03-28
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Howard A Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:19
CPC Classifications
F; F02; F02M; F02M33/00; F02M33/02; F02M33/08; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A FUEL ECONOMIZER FOR AN INTERNAL COMBUSTION ENGINE HAVING AN INTAKE MANIFOLD AND A CARBURETOR, SAID FUEL ECONOMIZER COMPRISING A MAIN HOUSING MOUNTED BETWEEN SAID MANIFOLD AND SAID CARBURETOR HAVING A CARBURETOR PASSAGEWAY AND A DISCHARGE PASSAGEWAY, A BAFFLE IN SAID MAIN HOUSING CONSISTING OF TWO HOLLOW TRUNCATED CONES, ONE INVERTED ABOVE THE OTHER AND POSITIONED SO THAT THE OUTER CIRCUMFERENCES OF THE CONES ARE ALIGNED ONE ABOVE THE OTHER AND THE EDGES SEALED SO AS TO FORM A SINGLE HOLLOW UNITARY STRUCTURE, A CYLINDRICAL BAFFLE HAVING A BORE SUPPORTED ON THE BOTTOM OF SAID MAIN HOUSING HAVING A BORE SUPPORTINGLY ENGAGING SAID OUTER CIRCUMFENENCES OF SAID TRUNCATED CONES AND SEALED THEREWITH TO COLLECT UNVAPORIZED FUEL, HOLES IN THE UPPER ONE OF SAID TRUNCATED CONES ADJACENT SAID OUTER CIRCUMFERENCES WHERE SEALED WITH THE BORE OF SAID CYLINDRICAL BAFFLE AND COMMUNICATING WITH THE HOLLOW INTERIOR OF SAID BAFFLE, A DRAIN LINE CONNECTED BETWEEN THE HOLLOW INTERIOR OF SAID BAFFLE AT THE APEX OF THE LOWER INVERTED TRUNCATED CONE AND A FUEL RESERVOIR, A DOWNWARDLY HANGING BAFFLE IN THE TOP OF SAID MAIN HOUSING FORMING A CIRCULAR VENTURI PASSAGEWAY WITH THE EXTERIOR OF SAID UPPER TRUNCATED ONE OF SAID BAFFLE, AND MEANS CONNECTING SAID VENTURI PASSAGEWAY TO THE DISCHARGE PASSAGEWAY OF SAID MAIN HOUSING.
Claim 2
Dependent Claim
212 words
A FUEL ECONOMIZER FOR AN INTERNAL COMBUSTION ENGINE HAVING AN INTAKE MANIFOLD AND A CARBURETOR, SAID FUEL ECONOMIZER COMPRISING A MAIN HOUSING MOUNTED BETWEEN SAID MANIFOLD AND SAID CARBURETOR HAVING A CARBURETOR PASSAGEWAY AND A DISCHARGE PASSAGEWAY, A BAFFLE IN SAID MAIN HOUSING CONSISTING OF TWO HOLLOW TRUNCATED CONES, ONE INVERTED ABOVE THE OTHER AND POSITIONED SO THAT THE OUTER CIRCUMFERENCES OF THE CONES ARE ALIGNED ONE ABOVE THE OTHER AND THE EDGES SEALED SO AS TO FORM A SINGLE HOLLOW UNITARY STRUCTURE, A CYLINDRICAL BAFFLE HAVING A BORE SUPPORTED ON THE BOTTOM OF SAID MAIN HOUSING HAVING A BORE SUPPORTINGLY ENGAGING SAID OUTER CIRCUMFENENCES OF SAID TRUNCATED CONES AND SEALED THEREWITH TO COLLECT UNVAPORIZED FUEL, HOLES IN THE UPPER ONE OF SAID TRUNCATED CONES ADJACENT SAID OUTER CIRCUMFERENCES WHERE SEALED WITH THE BORE OF SAID CYLINDRICAL BAFFLE AND COMMUNICATING WITH THE HOLLOW INTERIOR OF SAID BAFFLE, A DRAIN LINE CONNECTED BETWEEN THE HOLLOW INTERIOR OF SAID BAFFLE AT THE APEX OF THE LOWER INVERTED TRUNCATED CONE AND A FUEL RESERVOIR, A DOWNWARDLY HANGING BAFFLE IN THE TOP OF SAID MAIN HOUSING FORMING A CIRCULAR VENTURI PASSAGEWAY WITH THE EXTERIOR OF SAID UPPER TRUNCATED ONE OF SAID BAFFLE, AND MEANS CONNECTING SAID VENTURI PASSAGEWAY TO THE DISCHARGE PASSAGEWAY OF SAID MAIN HOUSING.
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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |