US5408973 Internal combustion engine fuel supply system and method
Cited prior art · Keith G. Spangjer · United States · 1995
strik 3,496,919 2/1970 Gerrard ............................... 123/545 ing chamber walls heated by hot exhaust gas from the 3,762,378 10/1973 Bitonti................................. 123/557 internal combustion engine. Vaporized fuels delivered