Additional system for assisting regeneration of pollution...

Details Additional system for assisting regeneration of pollution... Additional system for assisting regeneration of pollution...

2006-12-26

2006-12-26

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...

C060S280000, C060S286000, C060S297000, C060S301000, C060S603000

Reexamination Certificate

active

07152397

ABSTRACT:
This system, in which the engine is associated with a turbocharger and with a feed device adapted to implement first and second regeneration strategies depending on different engine operation control parameters to obtain different temperatures in the exhaust line, acquires the temperature in the line, compares it with a safety threshold for the turbocharger turbine so that if the threshold is exceeded while applying the second strategy, the feed device is controlled so that one of the engine operation control parameters is regulated to reduce the temperature, and if it does not drop back below the threshold at the end of a first time period, the feed device is controlled to switch over to the first strategy, and if it still does not drop back below the threshold at the end of a second time period, the feed device is controlled to stop the regeneration strategy.

REFERENCES:
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patent: 6644020 (2003-11-01), Kuenstler et al.
patent: 6829890 (2004-12-01), Gui et al.
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patent: 7007463 (2006-03-01), Shirakawa
patent: 2003/0056498 (2003-03-01), Kuenstler et al.
patent: 2804168 (2001-07-01), None

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