Outboard engine unit

Details Outboard engine unit Outboard engine unit

2007-05-31

2008-12-09

Kamen, Noah (Department: 3747)

Internal-combustion engines

Intake manifold

For in-line engine

C123S184470

Reexamination Certificate

active

07461623

ABSTRACT:
An outboard engine unit has an intake manifold extending in a front-and-rear direction along one side of an engine block and comprised of a surge tank and a plurality of intake tubes communicating with the surge tank. Each of the intake tubes is arranged so as to be separated in a vertical direction. The shape of the channel cross section of each of the intake tubes is a flat shape in which the dimension in the vertical direction is less than the dimension in a crosswise direction.

REFERENCES:
patent: 5832890 (1998-11-01), Ikeya et al.
patent: 10-184469 (1998-07-01), None

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