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| US4301781 | 18. Juli 1979 | 24. Nov. 1981 | | Method and apparatus for improving engine operation and reducing hydrocarbons emissions therefrom by cooling the fuel supplied to or in the carburetor |
| US4308827 | 19. Okt. 1979 | 5. Jan. 1982 | | Fuel injection system for internal combustion engines |
| US4519354 | 29. Apr. 1983 | 28. Mai 1985 | Toyota Jidosha Kabushiki Kaisha | Fuel supply system in internal combustion engine |
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| US4924838 | 26. Apr. 1989 | 15. Mai 1990 | Navistar International Transportation Corp. | Charge air fuel cooler |
| US5488937 | 4. Aug. 1994 | 6. Febr. 1996 | | Temperature control system for keeping temperature of an element of an internal combustion engine at a constant value |
