Exhaust manifold for improvement of purification efficiency...

Details Exhaust manifold for improvement of purification efficiency... Exhaust manifold for improvement of purification efficiency...

2005-01-11

2005-01-11

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

C060S324000

Reexamination Certificate

active

06840039

ABSTRACT:
An exhaust manifold is disclosed that enhances the purification efficiency and lifetime of the catalyst in a catalytic converter. The manifold includes: a mixing chamber of a spheroidal shape having runners, each runner having one end connected to an exhaust port and the other end to the mixing chamber along the outer circumference thereof at an angle that causes rotation of the entering exhaust; and a diffuser to induce exhaust gas to diffuse widely before passing through the catalytic converter.

REFERENCES:
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patent: 4420933 (1983-12-01), Kajitani et al.
patent: 6324839 (2001-12-01), Canini et al.
patent: 62-153569 (1987-09-01), None
patent: 09-025841 (1997-01-01), None
patent: 10-089055 (1998-04-01), None
patent: 11-294157 (1999-10-01), None

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