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Title:
SUPERCHARGING PRESSURE CONTROLLER
Document Type and Number:
Japanese Patent JP2007051619
Kind Code:
A
Abstract:

To perform supercharging pressure control with high accuracy as well as restraining a variation in exhaust manifold pressure.

At time t0, when a target supercharging pressure PIMTRG is changed into higher one, A MAT is allowed to operate since a deviation between the target supercharging pressure PIMTRG and supercharging pressure PIM is larger than α. Thereby, the charging pressure PIM rises and when the deviation becomes α at time t2, the MAT is allowed to stop. Afterward, the supercharging pressure PIM is allowed to rise by feedback control of a VN mechanism. When the supercharging pressure PIM has overshot the target supercharging pressure PIMTRG, the MAT is allowed to perform a regenerative operation only during a prescribed period of time (a clock time t2 to t3), while when the supercharging pressure PIM has undershot the target supercharging pressure PIMTRG, the MAT is allowed to perform a regenerative operation only during a prescribed period of time (a clock time t4 to t5).


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Inventors:
OTA HIROHIKO
Application Number:
JP2005238894A
Publication Date:
March 01, 2007
Filing Date:
August 19, 2005
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02B37/14; F02B37/04; F02B37/12; F02B37/24; F02D23/00
Domestic Patent References:
JP2003239755A2003-08-27
JP2003239754A2003-08-27
JP2005061283A2005-03-10
JP2005500452A2005-01-06
Attorney, Agent or Firm:
Hideki Takahashi
Mamoru Takada
Atsushi Hirayama
Hidekazu Onishi



 
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