Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Patent
1989-11-30
1992-05-19
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
422171, 422179, 422180, F01N 328
Patent
active
051136538
ABSTRACT:
In an exhaust gas cleaning apparatus, at least two honeycomb core bodies each as an exhaust gas cleaning catalyst are arranged, with at least one axial space therebetween, in a metal casing. Each core body is composed of a sheet-like band and a corrugated band. The outer peripheral surfaces of the core bodies are fixed to the inner surface of the casing so that each core body is expandable and contractible axially. The axial space effectively absorbs and relaxes the stress due to large thermal strains acting on the individual core bodies, thus causing an improved durability.
REFERENCES:
patent: 3978567 (1976-09-01), Vroman
patent: 4186172 (1980-01-01), Scholz
patent: 4238456 (1980-12-01), Jabling
patent: 4795615 (1989-01-01), Cyron et al.
Serizawa Haruo
Usui Masayoshi
Hart Douglas
Usui Kokusai Sangyo Kabushiki Kaisha
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