Process and device for closed-loop and open-loop control of the

Details Process and device for closed-loop and open-loop control of the Process and device for closed-loop and open-loop control of the

1989-08-08

1991-09-03

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60286, F01N 302

Patent

active

050441582

ABSTRACT:
A process and a device for closed-loop and open-loop control of the output of a burner, particularly a burner operated with exhaust gas from an internal combustion engine as an oxygen source for the regeneration of a particle filter unit, in which the burner output is controlled as a function of the average pressure of the internal combustion engine and/or the speed of the engine. Additionally, the temperature between the outlet side of the burner and the particle filter unit can also be entered as a closed-loop variable for closed-loop control. In the device, an open-loop and closed-loop output control device is provided, which receives, as inputs, the temperature, detected by a temperature sensor, and, optionally, the average medium pressure detected by an accelerator sensor, and/or the speed of the internal combustion engine detected by a speed sensor. The temperature sensor is placed downstream from the burner in the exhaust gas section. The output of the open-loop and closed-loop output control device is connected to a fuel quantity control device, by which the amount of fuel or the amount of mixture fed to the burner is controlled.

REFERENCES:
patent: 4211075 (1980-07-01), Ludecke
patent: 4424671 (1984-01-01), Tokura
patent: 4574589 (1986-03-01), Hasegawa
patent: 4848086 (1989-07-01), Inoue

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