Engine system having carbon foam exhaust gas heat exchanger

Details Engine system having carbon foam exhaust gas heat exchanger Engine system having carbon foam exhaust gas heat exchanger

2007-10-30

2007-10-30

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C165S133000

Reexamination Certificate

active

11319024

ABSTRACT:
An engine system includes an engine such as a compression ignition internal combustion engine, including a heat exchanger in an exhaust system thereof. The heat exchanger including at least one carbon foam block for cooling exhaust gas with cooling air. An exhaust system segment includes a carbon foam based heat exchanger configured to exchange heat between exhaust gas and cooling air at least in part via the carbon foam.

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Klett, Conway, Thermal Management Solutions Utilizing High Thermal Conductivity Graphite Foams; Carbon and Insulation Materials Technology Group, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge TN, 37831-6087; Performance Research, Inc., 3684 Delling Downs Road; Denver, NC 28037; pp. 1-11.

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