Auto start-stop device for internal combustion engine and...

Details Auto start-stop device for internal combustion engine and... Auto start-stop device for internal combustion engine and...

2006-12-19

2006-12-19

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Condition responsive control of starting device

C123S179160

Reexamination Certificate

active

07150254

ABSTRACT:
The auto engine start control of the invention regulates a throttle valve to a restricted opening to reduce an air intake flow at an ordinary start of an engine (step S140). When the driver stamps on an accelerator pedal to raise an engine power demand Pe* to or above a preset threshold value Pref, the auto engine start control regulates the throttle valve to a standard opening to ensure the air intake flow corresponding to the engine power demand Pe* (step S150) and thereby cranks the engine. This arrangement desirably dampens potential vibration induced by ignition at the ordinary start of the engine, while ensuring prompt output of the required driving force from the engine under the condition of the higher engine power demand Pe*.

REFERENCES:
patent: 5632238 (1997-05-01), Furukawa et al.
patent: 6807476 (2004-10-01), Ando et al.
patent: 6817330 (2004-11-01), Ogawa et al.
patent: 6947827 (2005-09-01), Fuse et al.
patent: 08-098319 (1996-04-01), None
patent: 2000-120455 (2000-04-01), None
patent: 2002-339781 (2002-11-01), None

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