Intake manifold

Details Intake manifold Intake manifold

1990-07-26

1991-04-02

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 52MC, F02M 3510

Patent

active

050039326

ABSTRACT:
A low profile ram-tube intake manifold is disclosed for use on an internal combustion engine having a plurality of intake ports. The manifold includes an elongated plenum having an inlet and a series of outlets spaced along the length thereof. A plurality of substantially symmetrical tubular spiral runners are connected at one end to the plenum outlet and have the other end adapted to be attached to one of the intake ports. The spiral runners are substantially symmetrical and have a uniform flow resistance length and cross-sectional area to achieve optimum engine performance while utilizing a very compact intake manifold.

REFERENCES:
patent: 2730339 (1956-01-01), Presnell
patent: 4803961 (1989-02-01), Hiraoka et al.
patent: 4889083 (1989-12-01), Honma et al.

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