Internal-combustion engines – Starting device – With fuel or intake air control
Reexamination Certificate
2007-09-25
2007-09-25
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Starting device
With fuel or intake air control
C123S491000
Reexamination Certificate
active
11633411
ABSTRACT:
If it is determined that the present engine startup is a high-temperature startup, immediately fuel injection in concert with start of cranking is prohibited. After a delay time elapses following the start of cranking, or when THC<THCh is satisfied, fuel injection is started. Therefore, the cranking during the delay time cools interior of the combustion chambers. Since fuel injection starts after the cooling, pre-ignition can be prevented.
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Castro Arnold
Cronin Stephen K.
Oliff & Berridg,e PLC
Toyota Jidosha Ka bushiki Kaisha
LandOfFree
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