Intake manifold/fuel rail

Details Intake manifold/fuel rail Intake manifold/fuel rail

1991-06-25

1992-08-18

Cross, E. Rollins

Internal-combustion engines

Multiple cylinder

123 52MC, F02B 7518

Patent

active

051389835

ABSTRACT:
A multi-runner intake manifold is constructed of upper and lower parts that fit together at a joint. The upper manifold is molded thermoplastic, and the lower part is molded phenolic. The lower part contains an integral fuel rail. The lower part contains a portion of each runner. Those portions are formed as separate through-passages during molding of the lower part in the cavity of a multi-part mold. The fuel passages are molded as through-holes some ends of which are subsequently plugged by closures and other ends of which receive fittings.

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patent: 4643137 (1987-02-01), Choushi et al.
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patent: 4829942 (1989-05-01), Ampferer
patent: 4829944 (1989-05-01), Sukimoto et al.
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patent: 4901681 (1990-02-01), Pozniak et al.
patent: 4919086 (1990-04-01), Shillington
patent: 4932367 (1990-06-01), Newman et al.
patent: 4960096 (1990-10-01), Sukimoto et al.

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