Multiport manifold

Details Multiport manifold Multiport manifold

1988-03-03

1989-09-05

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123580, F02M 3504

Patent

active

048628395

ABSTRACT:
A manifold is provided for a multicylinder engine, particularly a motorcycle engine, wherein separate, independent passages are provided to connect separate carburetors to individual cylinder inlet ports. A plurality of such passages are provided in a single manifold casting, preferably each passage having a constant cross-sectional area throughout its length and all passages being identical in cross-sectional area and length. The actual cross-sectional shape of each passage may vary along its length due to space restriction for said manifold.

REFERENCES:
patent: 4321978 (1982-03-01), Tominaga et al.
patent: 4345551 (1982-08-01), Bloemers
patent: 4543921 (1985-10-01), Torigai et al.
patent: 4671216 (1987-06-01), Itoh
patent: 4686944 (1987-08-01), Hiraoka et al.
patent: 4711225 (1987-12-01), Holderle et al.

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