US3214150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Ohlsson and Rice Inc
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Filing: 1961-07-03
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Granted: 1965-10-26
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Henry T M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:40
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M3/14; F02M17/00; F02M17/02; F02M17/04; F02M19/00; F02M19/02; F02M19/0225
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
144 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE: A BODY HAVING A VENTURI THROUGH WHICH AIR CAN FLOW; A NOZZLE IN SAID BODY PROJECTING INTO THE THROAT PORTION OF THE VENTURI FOR FEEDING FUEL THEREINTO; AND A THROTTLE PLATE IN SAID THROAT PORTION PIVOTALLY MOUNTED IN SAID BODY AND ADAPTED TO OCCUPY POSITIONS OPENING SAID THROAT PORTION AND A MAXIMUM POSITION ACROSS SAID THROAT PORTION TO SUBSTANTIALLY FULLY CLOSE THE SAME; SAID PLATE HAVING A RECESS EXTENDING INWARDLY FROM THE PERIPHERY OF SAID PLATE AND DISPLACED ARCUATELY FROM THE PIVOT AXIS OF SAID PLATE, THE PLATE HAVING AN INNER BASE DEFINING THE INNER END OF SAID RECESS, SAID NOZZLE PROJECTING INTO SAID RECESS, AND SPACED FROM SAID BASE TO DEFINE A GAP THEREBETWEEN WHEN SAID PLATE IS IN ITS MAXIMUM CLOSED POSITION, WHEREBY AIR FLOWS THROUGH SAID GAP TO DRAW FUEL FROM SAID NOZZLE.
Claim 2
Dependent Claim
144 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE: A BODY HAVING A VENTURI THROUGH WHICH AIR CAN FLOW; A NOZZLE IN SAID BODY PROJECTING INTO THE THROAT PORTION OF THE VENTURI FOR FEEDING FUEL THEREINTO; AND A THROTTLE PLATE IN SAID THROAT PORTION PIVOTALLY MOUNTED IN SAID BODY AND ADAPTED TO OCCUPY POSITIONS OPENING SAID THROAT PORTION AND A MAXIMUM POSITION ACROSS SAID THROAT PORTION TO SUBSTANTIALLY FULLY CLOSE THE SAME; SAID PLATE HAVING A RECESS EXTENDING INWARDLY FROM THE PERIPHERY OF SAID PLATE AND DISPLACED ARCUATELY FROM THE PIVOT AXIS OF SAID PLATE, THE PLATE HAVING AN INNER BASE DEFINING THE INNER END OF SAID RECESS, SAID NOZZLE PROJECTING INTO SAID RECESS, AND SPACED FROM SAID BASE TO DEFINE A GAP THEREBETWEEN WHEN SAID PLATE IS IN ITS MAXIMUM CLOSED POSITION, WHEREBY AIR FLOWS THROUGH SAID GAP TO DRAW FUEL FROM SAID NOZZLE.
Claim 3
Dependent Claim
110 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE: A BODY HAVING A PASSAGE THROUGH WHICH FLUID CAN FLOW; A ROD EXTENDING ACROSS SAID PASSAGE AND PIVOTALLY MOUNTED IN SAID BODY, SAID ROD HAVING A SLOT OPENING THROUGH AN END OF SAID ROD; A THROTTLE PLATE IN SAID SLOT ADAPTED TO BE INSERTED THEREINTO THROUGH SAID END AND SECURED TO SAID ROD FOR PIVOTAL MOVEMENT IN SAID PASSAGE BETWEEN POSITIONS OPENING AND SUBSTANTIALLY FULLY CLOSING SAID PASSAGE; AN OPERATING MEMBER MOUNTED ON SAID ROD; SAID ROD AT OPPOSITE SIDES OF SAID SLOT AT SAID END FLARING OUTWARDLY AND BEARING AGAINST SAID OPERATING MEMBER TO SECURE SAID OPERATING MEMBER AT SAID ROD.
Claim 4
Dependent Claim
110 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE: A BODY HAVING A PASSAGE THROUGH WHICH FLUID CAN FLOW; A ROD EXTENDING ACROSS SAID PASSAGE AND PIVOTALLY MOUNTED IN SAID BODY, SAID ROD HAVING A SLOT OPENING THROUGH AN END OF SAID ROD; A THROTTLE PLATE IN SAID SLOT ADAPTED TO BE INSERTED THEREINTO THROUGH SAID END AND SECURED TO SAID ROD FOR PIVOTAL MOVEMENT IN SAID PASSAGE BETWEEN POSITIONS OPENING AND SUBSTANTIALLY FULLY CLOSING SAID PASSAGE; AN OPERATING MEMBER MOUNTED ON SAID ROD; SAID ROD AT OPPOSITE SIDES OF SAID SLOT AT SAID END FLARING OUTWARDLY AND BEARING AGAINST SAID OPERATING MEMBER TO SECURE SAID OPERATING MEMBER AT SAID ROD.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |