US3093124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine fuel vapor recovery system and method
Assignee: Motors Liquidation Co
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Filing: 1960-12-23
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Granted: 1963-06-11
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Wentworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:21
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/08; F02M25/089; F02M2025/0881; Y; Y10; Y10S; Y10S261/00; Y10S261/67
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A FUEL VAPOR RECOVERY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING AN AIR INTAKE AND A FUEL RESERVOIR, A FUEL VAPOR DISTRIBUTION VALVE ASSEMBLY HAVING A FIRST CONDUIT CONNECTED WITH SAID RESERVOIR IN FUEL VAPOR FLOW RELATION AND A SECOND CONDUIT CONNECTED WITH THE ENGINE AIR INTAKE, FUEL VAPOR STORAGE MEANS, A THIRD CONDUIT INTERCONNECTING SAID VALVE ASSEMBLY AND SAID STORAGE MEANS, A FOURTH CONDUIT INTERCONNECTING SAID STORAGE MEANS AND THE ENGINE AIR INTAKE, AND MEANS FOR HEATING SAID STORAGE MEANS DURING ENGINE OPERATION TO RELEASE FUEL VAPOR STORED THEREIN THROUGH SAID FOURTH CONDUIT TO THE ENGINE AIR INTAKE, SAID VALVE ASSEMBLY INCLUDING A VALVE HAVING A FIRST POSITION INTERCONNECTING SAID FIRST AND THIRD CONDUITS TO DIRECT FUEL VAPOR FROM SAID RESERVOIR TO SAID STORAGE MEANS TO STORE VAPOR THEREIN WHEN THE ENGINE IS NOT OPERATING AND A SECOND POSITION INTERCONNECTING SAID FIRST AND SECOND CONDUITS TO DELIVER FUEL VAPOR FROM SAID RESERVOIR TO THE ENGINE AIR INTAKE WHEN THE ENGINE IS OPERATING.
Claim 2
Dependent Claim
164 words
IN A FUEL VAPOR RECOVERY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING AN AIR INTAKE AND A FUEL RESERVOIR, A FUEL VAPOR DISTRIBUTION VALVE ASSEMBLY HAVING A FIRST CONDUIT CONNECTED WITH SAID RESERVOIR IN FUEL VAPOR FLOW RELATION AND A SECOND CONDUIT CONNECTED WITH THE ENGINE AIR INTAKE, FUEL VAPOR STORAGE MEANS, A THIRD CONDUIT INTERCONNECTING SAID VALVE ASSEMBLY AND SAID STORAGE MEANS, A FOURTH CONDUIT INTERCONNECTING SAID STORAGE MEANS AND THE ENGINE AIR INTAKE, AND MEANS FOR HEATING SAID STORAGE MEANS DURING ENGINE OPERATION TO RELEASE FUEL VAPOR STORED THEREIN THROUGH SAID FOURTH CONDUIT TO THE ENGINE AIR INTAKE, SAID VALVE ASSEMBLY INCLUDING A VALVE HAVING A FIRST POSITION INTERCONNECTING SAID FIRST AND THIRD CONDUITS TO DIRECT FUEL VAPOR FROM SAID RESERVOIR TO SAID STORAGE MEANS TO STORE VAPOR THEREIN WHEN THE ENGINE IS NOT OPERATING AND A SECOND POSITION INTERCONNECTING SAID FIRST AND SECOND CONDUITS TO DELIVER FUEL VAPOR FROM SAID RESERVOIR TO THE ENGINE AIR INTAKE WHEN THE ENGINE IS OPERATING.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |