Device for cleaning exhaust gas from internal combustion engine
Abstract
Abstract A DEVICE FOR CLEANING THE EXHAUST GAS FROM AN INTERNAL COMBUSTION ENGINE COMPRISING A HOUSING PACKED WITH POWDER OR CHIPS OF METALS, A RESERVOIR IN THE HOUSING CONTAINING A SUITABLE EMULSION WHICH IS VAPORIZED BY THE HEAT OF THE EXHAUST GAS, THE CONTAMINANTS SUCH AS CARBON, LEAD, TAR, ETC. BEING TRAPPED BY THE PACKED POWDER OR CHIPS AND ADHERED THERETO BY THE HEAT OF THE EXHAUST GAS, CYLINDRICAL HOLLOW BODIES EACH HAVING A FILTER HAVING A CATALYTIC ACTION, THE HARMFUL GASES CONTAINED IN THE EXHAUST GAS BEING CONVERTED INTO HARMLESS CARBON DIOXIDE BY SAID FILTER AND THE VAPOR OF THE EMULSION, AND A STORAGE CONTAINING THEREIN ACTIVATED CARBON FOR REMOVING THE ODOUR FROM THE EXHAUST GAS, WHEREBY THE EXHAUST GAS IS CLEANED AND DISCHARGED FROM THE HOUSING.
Inventors
- 👤 Susumu Yamada
Bibliographic Details
Claims Analysis
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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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |