Intake manifold

Details Intake manifold Intake manifold

1995-05-02

1996-10-15

Okonsky, David A.

Internal-combustion engines

Intake manifold

For engine having radiating cylinders

12318442, F02M 35116

Patent

active

055643779

ABSTRACT:
An intake manifold of a multi-cylinder engine comprises a lower branch and an upper branch both having an identical number of pipe elements. One end of the lower branch is connected to a plurality of intake ports of an engine cylinder head, and at the other free end, the pipe elements are arranged in a row. The upper branch overhangs one side of the cylinder head. One end of the upper branch is connected to a collector disposed above the cylinder head, and at the other free end, the pipe elements are arranged in a row. Flanges are formed around the pipe elements at the free ends of these branches. First holes are provided at positions nearby the two ends of the row. Second holes are formed on an edge of the flanges, these holes being offset from the line joining the first holes on the opposite side to the aforesaid side of the cylinder head. A sealing member is inserted between the flanges, and the flanges are joined tightly together by bolts via these holes. Ample support and sealtightness resistant to vibration are thereby obtained by this construction.

REFERENCES:
patent: 4823748 (1989-04-01), Ampferer et al.
patent: 4901681 (1990-02-01), Pozniak et al.
patent: 5092285 (1992-03-01), Beaber
patent: 5220889 (1993-06-01), Ampferer et al.
patent: 5322038 (1994-06-01), Urabe et al.

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