Control apparatus and control method for negative pressure...

Details Control apparatus and control method for negative pressure... Control apparatus and control method for negative pressure...

2008-04-25

2010-12-07

Kwon, John T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S445000, C123S478000

Reexamination Certificate

active

07848870

ABSTRACT:
A control apparatus for a negative pressure generating apparatus, includes an ejector that generates a negative pressure whose magnitude is larger than that of a negative pressure to be taken from an intake passage in an intake system for an internal combustion engine provided in a vehicle; a state change device that makes the ejector function or stop functioning; and a prohibition control device that prohibits the state change device from making the ejector function, when the vehicle is transiently decelerated.

REFERENCES:
patent: 7650221 (2010-01-01), Oi et al.
patent: 2007/0234716 (2007-10-01), Hirooka
patent: 2008/0264059 (2008-10-01), Hirooka
patent: 2009/0132149 (2009-05-01), Hirooka
patent: A-2004-243837 (2004-09-01), None
patent: A-2004-285838 (2004-10-01), None
patent: A-2005-201196 (2005-07-01), None
patent: A-2005-297654 (2005-10-01), None

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