Patent US2747561A successfully refreshed from Google Patents.
US2747561A
Expired / Lapsed
US
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Anti-detonating carburetor
Assignee: Motors Liquidation Co
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Filing: 1954-05-06
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Granted: 1956-05-29
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Expires: 1974-05-06
Abstract
No abstract record available.
Inventors
- 👤 Howard H Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A CARBURETOR AND AN INTAKE PASSAGE, MEANS TO ENRICH THE COMBUSTIBLE MIXTURE PRODUCED BY SAID CARBURETOR, AND MEANS FOR ACTUATING SAID MIXTURE ENRICHMENT MEANS COMPRISING A SOLENOID, A CIRCUIT FOR ENERGIZING SAID SOLENOID INCLUDING A SWITCH, A RELAY FOR CLOSING SAID SWITCH HAVING A PAIR OF WINDINGS ARRANGED IN BUCKING RELATION; AND MEANS RESPONSIVE TO CERTAIN ENGINE CONDITIONS INDICATIVE OF INCIPIENT ENGINE DETONATION FOR DIFFERENTIALLY ENERGIZING SAID WINDINGS SO AS TO EFFECT ENERGIZATION OF SAID RELAY AND SAID SOLENOID.
Claim 2
Dependent Claim
85 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A CARBURETOR AND AN INTAKE PASSAGE, MEANS TO ENRICH THE COMBUSTIBLE MIXTURE PRODUCED BY SAID CARBURETOR, AND MEANS FOR ACTUATING SAID MIXTURE ENRICHMENT MEANS COMPRISING A SOLENOID, A CIRCUIT FOR ENERGIZING SAID SOLENOID INCLUDING A SWITCH, A RELAY FOR CLOSING SAID SWITCH HAVING A PAIR OF WINDINGS ARRANGED IN BUCKING RELATION; AND MEANS RESPONSIVE TO CERTAIN ENGINE CONDITIONS INDICATIVE OF INCIPIENT ENGINE DETONATION FOR DIFFERENTIALLY ENERGIZING SAID WINDINGS SO AS TO EFFECT ENERGIZATION OF SAID RELAY AND SAID SOLENOID.
References Cited (Backward Citations)
US2388669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |