Air intake manifold with composite flange and method

Details Air intake manifold with composite flange and method Air intake manifold with composite flange and method

2006-06-13

2006-06-13

Wolfe, Willis R. (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold having plenum

C123S184210, C123S184610, C123S568170

Reexamination Certificate

active

07059289

ABSTRACT:
The air intake manifold assembly includes a manifold with a plurality of air intake ports for fluid communication with a plurality of engine cylinders, respectively, and a composite flange assembly associated with the air intake ports. The composite flange assembly is adapted to connect the air intake ports with the engine cylinders. The composite flange assembly includes a polymeric flange and a metal reinforcement member joined to the polymeric flange. The metal reinforcement member defines one or more openings and the polymeric flange is joined with the metal reinforcement member, such that at least a portion of the polymeric flange extends through the openings and forms one or more annular surfaces for contacting the engine cylinders. The metal reinforcement member may be integrally molded with the polymeric flange, or joined to the polymeric flange by interference engagement therewith. The polymeric flange may partially encapsulate the metal reinforcement member.

REFERENCES:
patent: 4776313 (1988-10-01), Freismuth et al.
patent: 5190802 (1993-03-01), Pilato
patent: 5253616 (1993-10-01), Voss
patent: 5636605 (1997-06-01), Nomizo et al.
patent: 5699835 (1997-12-01), Nakagawa et al.
patent: 6467449 (2002-10-01), Brassell et al.
patent: 6857409 (2005-02-01), Ito et al.

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