Internal-combustion engines – Starting device – With fuel or intake air control
Reexamination Certificate
2005-12-06
2005-12-06
Dolinar, Andrew M. (Department: 3747)
Internal-combustion engines
Starting device
With fuel or intake air control
Reexamination Certificate
active
06971357
ABSTRACT:
The invention relates to a method for improving the initial conditions for starting a direct injection, spark-ignition internal combustion engine. Measures, such as adjusting the throttle valve, a varying inlet and exhaust valve timings, operating a secondary-air pump, ensures that the internal combustion engine, when running down, scavenges exhaust gases from the cylinder by providing fresh air into the. Furthermore, measures are undertaken for the braking and/or active rotation of the internal combustion engine so that it is a suitable position for renewed starting, the restarting being accomplished without the aid of a starter motor.
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Grieser Klemens
Kramer Ulrich
Brehob Diana D.
Dolinar Andrew M.
Ford Global Technologies LLC
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