Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate
2007-05-01
2007-05-01
Wolfe, Jr., Willis R. (Department: 3747)
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
C060S605200
Reexamination Certificate
active
11293935
ABSTRACT:
A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (902) and flowing exhaust gas out of the volume in a first and a second portions (904). The first portion forms a tailpipe gas stream (906), and the second portion forms an EGR gas stream (908). The tailpipe gas stream goes through a turbine (910). The EGR gas stream is catalyzed by an oxidizer coating in a heat exchanger, and thermal energy is transferred from the EGR gas stream to the tailpipe stream in the heat exchanger (916).
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Calfa Jeffrey P.
International Engine Intellectual Property Company LLC
Lukasik Susan L.
Soupos Elisa P.
Wolfe, Jr. Willis R.
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