Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

System for catalytic reduction of NO/sub x/ emanating from an internal combustion engine

Patent ·
OSTI ID:7123063
A system for reducing NO/sub x/ gases found in the exhaust stream of an internal combustion engine is described. NO/sub x/ reducing catalyst assembly is connected to the manifold and includes a housing having a NO/sub x/ reducing catalytic structure of apertured thin metal foil which includes sheets of expanded metal foil with at least one sheet having some openings of a different size than at some openings in a juxtapositioned sheet of expanded metal foil. In another aspect, it includes a sheet of expanded metal foil having at least some openings of different sizes.
Assignee:
Gould Inc.
Patent Number(s):
US 3998599
OSTI ID:
7123063
Country of Publication:
United States
Language:
English