Power plants – Internal combustion engine with treatment or handling of... – Having auxiliary device mechanically driven by exhaust gas
Reexamination Certificate
2007-01-16
2007-01-16
Nguyen, Tu M. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
Having auxiliary device mechanically driven by exhaust gas
C060S274000, C060S295000, C060S297000, C060S605100, C060S606000, C060S611000
Reexamination Certificate
active
11054216
ABSTRACT:
A method of providing extra air to the exhaust stream of an internal combustion engine. A small flow of air is diverted from the output of an air-charging device, such as a turbocharger, to an entry point upstream of an emission control device. The air is supplied in a controllable fashion so as to improve the efficiency of the emission control device.
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PCT International Search Report & Written Opinion, PCT/US05/04210, 10 pages.
Baker & Botts L.L.P.
Nguyen Tu M.
Southwest Research Institute
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