Engine exhaust purifying device

Details Engine exhaust purifying device Engine exhaust purifying device

1995-09-05

1998-03-24

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

422180, F01N 328

Patent

active

057299722

ABSTRACT:
An engine exhaust purifying device is positioned at a connection between an exhaust pipe and an expanded pipe, which is located upstream of an oil reservoir and below an engine, and includes an outer pipe and an inner pipe joined together to form a dual-pipe structure, the outer pipe being weld connected at its reduced-diameter portion to a fuse connection portion of the inner pipe, the fuse connection portion carrying no ventholes and a catalyst layer thereon and the exhaust purifying device being enclosed by a heat insulating protector.

REFERENCES:
patent: 5104627 (1992-04-01), Usui
patent: 5151254 (1992-09-01), Arai
Patent Abstracts of Japan, vol. 010, No. 273, Sep. 17, 1986 re JP 61-096120, May 14, 1986.

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