US3091229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for improving combustion in internal combustion engines
Assignee: Individual
•
Filing: 1961-08-07
•
Granted: 1963-05-28
•
Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert B Nevin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:49
CPC Classifications
F; F02; F02M; F02M25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A DEVICE EFFECTIVE TO PROVIDE IMPROVED COMBUSTION IN INTERNAL COMBUSTION ENGINES, COMPRISING: A HOUSING INTERPOSED IN THE CONDUIT BETWEEN THE CARBURETOR AND THE ENGINE INLET, AND THROUGH WHICH THE COMBUSTIBLE MIXTURE IS DRAWN BY THE SUCTION OF THE ENGINE; AN EXPANSION CHAMBER IN THE HOUSING INTO WHICH SAID COMBUSTIBLE MIXTURE EXPANDS; A HEATING AND MIXING SECTION IN SAID HOUSING THROUGH WHICH SAID COMBUSTIBLE MIXTURE IS ALSO DRAWN, SAID HEATING AND MIXING SECTION HAVING A PLURALITY OF PASSAGES THERETHROUGH OF CONVERGENT-DIVERGENT CROSS SECTION WITH IMPERFORATE WALLS AND WITH PASSAGES FOR HEATING MEDIUM AROUND EACH PASSAGE; TUBES SUPPLIED WITH HEATED FLUID CONNECTED TO SAID PASSAGES FOR HEATING MEDIUM; AND AN OUTLET PORTION LEADING THE HEATED AND MIXED FUEL MIXTURES TO THE ENGINE INLET MANIFOLD.
Claim 2
Independent Claim
122 words
A DEVICE EFFECTIVE TO PROVIDE IMPROVED COMBUSTION IN INTERNAL COMBUSTION ENGINES, COMPRISING: A HOUSING INTERPOSED IN THE CONDUIT BETWEEN THE CARBURETOR AND THE ENGINE INLET, AND THROUGH WHICH THE COMBUSTIBLE MIXTURE IS DRAWN BY THE SUCTION OF THE ENGINE; AN EXPANSION CHAMBER IN THE HOUSING INTO WHICH SAID COMBUSTIBLE MIXTURE EXPANDS; A HEATING AND MIXING SECTION IN SAID HOUSING THROUGH WHICH SAID COMBUSTIBLE MIXTURE IS ALSO DRAWN, SAID HEATING AND MIXING SECTION HAVING A PLURALITY OF PASSAGES THERETHROUGH OF CONVERGENT-DIVERGENT CROSS SECTION WITH IMPERFORATE WALLS AND WITH PASSAGES FOR HEATING MEDIUM AROUND EACH PASSAGE; TUBES SUPPLIED WITH HEATED FLUID CONNECTED TO SAID PASSAGES FOR HEATING MEDIUM; AND AN OUTLET PORTION LEADING THE HEATED AND MIXED FUEL MIXTURES TO THE ENGINE INLET MANIFOLD.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |