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Use of exhaust gas as sweep flow to enhance air separation membrane performance

Patent ·
OSTI ID:875029
An intake air separation system for an internal combustion engine is provided with purge gas or sweep flow on the permeate side of separation membranes in the air separation device. Exhaust gas from the engine is used as a purge gas flow, to increase oxygen flux in the separation device without increasing the nitrogen flux.
Research Organization:
Caterpillar Inc. (Peoria, IL)
DOE Contract Number:
FC05-00OR22806
Assignee:
Caterpillar Inc (Peoria, IL)
Patent Number(s):
US 6516787
OSTI ID:
875029
Country of Publication:
United States
Language:
English