Power plants – Internal combustion engine with treatment or handling of... – Common receiver having inlets from plural cylinder
Patent
1996-03-13
1997-05-27
Argenbright, Tony M.
Power plants
Internal combustion engine with treatment or handling of...
Common receiver having inlets from plural cylinder
12318421, 1231935, 123306, F02B 3100
Patent
active
056321457
ABSTRACT:
A multi-cylinder internal combustion engine having at least one cylinder head with intake and exhaust ports and having an intake manifold with a common chamber and individual intake runners leading from the common chamber to the intake ports. The individual runners each have interior wall surfaces which are rifled to produce a swirling flow as the intake gases move through the individual intake runners from the common chamber to the intake ports of the cylinder head. This rifling is in the form of a plurality of helical vanes, with the helix being tighter near the intake port than near the common chamber. The helical vanes comprise a first set of helical vanes that extend from adjacent the intake ports to adjacent the common chamber and a second set of helical vanes that extend from adjacent the intake ports to a position intermediate the intake ports and the common chamber. An improved exhaust manifold is also disclosed for use with the internal combustion engine. The improved exhaust manifold includes a common chamber or header and individual exhaust runners extending between the common chamber and the exhaust ports of the cylinder head. The exhaust runners each have an interior wall surface which is rifled to produce a swirling flow of exhaust gases from the exhaust ports through the individual runners of the exhaust manifold to the common chamber of the exhaust manifold.
REFERENCES:
patent: 1288640 (1918-12-01), Mauck
patent: 1305174 (1919-05-01), Smith
patent: 2034119 (1936-03-01), Shebat
patent: 2390913 (1945-12-01), Barrett
patent: 2423602 (1947-07-01), Magdeburger
patent: 3768260 (1973-10-01), Glenn
patent: 3824791 (1974-07-01), Beller et al.
patent: 4022019 (1977-05-01), Garcea
patent: 4339918 (1982-07-01), Michikawa
Text book "Internal Combustion Engines and Air Pollution" by Edward F. Obert, Published by Harper & Row, Copyright 1973, pp. 412 through 424.
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