Exhaust gas filtering system for internal combustion engine

Details Exhaust gas filtering system for internal combustion engine Exhaust gas filtering system for internal combustion engine

2007-09-11

2007-09-11

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S278000, C060S280000, C060S285000, C060S295000

Reexamination Certificate

active

11296222

ABSTRACT:
In order to restrict an over-temperature-rising of a diesel particulate filter (DPF), an electronic control unit (ECU) computes a flow rate of the exhaust gas flowing through the DPF so that temperature of the DPF is kept at a temperature in which the DPF can be regenerated. By adjusting a position of a throttle valve, a fresh air flow rate is adjusted so that the flow rate of the exhaust gas flowing through the DPF is equal to a target flow rate of the exhaust gas.

REFERENCES:
patent: 6742331 (2004-06-01), Minami
patent: 6931842 (2005-08-01), Ohtake et al.
patent: 7021050 (2006-04-01), Nishimura et al.
patent: 7062907 (2006-06-01), Kitahara
patent: 7076944 (2006-07-01), Okugawa et al.
patent: 7076945 (2006-07-01), Sisken et al.
patent: 2003/0230060 (2003-12-01), Yahata et al.

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