Internal-combustion engines – Charge forming device
Reexamination Certificate
2007-08-21
2007-08-21
Wolfe, Willis R. (Department: 3747)
Internal-combustion engines
Charge forming device
C123S575000, C073S118040
Reexamination Certificate
active
11249492
ABSTRACT:
A fuel injection system during operation of an internal combustion engine with at least two separately stored fuel types is supplied with at least one first fuel type. With the supply of a second fuel type or with the change from the supply of the first fuel type to the second fuel type, the fuel volume conveyed by the injection system is determined and dependent thereon the presence of a given fuel mixture ratio is verified.
REFERENCES:
patent: 4995367 (1991-02-01), Yamauchi et al.
patent: 5101799 (1992-04-01), Davis et al.
patent: 6382170 (2002-05-01), Mang et al.
patent: 6532918 (2003-03-01), Mang et al.
Hoang Johnny H.
Hoffman Wasson & Gitler, P.C.
Wolfe Willis R.
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